i550 sailboat specs

Thank you for taking a couple minutes to read about the i550. To  contact us about plans etc., please email us at [email protected] .

The i550 has found a spot in the building sheds and imaginations of hundreds of sailors around the World. It is an 18 foot performance sailboat designed for amateur home builders. The performance is thrilling and has given many sailors memorable days on the water.  i550’s plane in moderate breeze and can be sailed single handed, two crew make it lots of fun, and on windy days three will have thrilling rides. 

The cabin will accommodate two for camp cruising and shelter. 

The i550 was designed with the garage builder in mind. One of the most important considerations for a garage project is “will it fit.” Most garages built in the last 40 years are about 20 feet long inside the door to the back wall. The i550 will fit. Another consideration is that you can park it in the garage when you have finished your build, safe, clean and dry, and not have to pay yard storage fees. It is easily towed with a normal sedan, a great advantage for the family and your sailing horizons are unlimited.

Specifications:

Weight  800 lbs. (363 kg)

Length  18 feet or 5.50 meters (hence the 550 in the name)

Beam 8 feet

WL Beam  4 feet  6 inches inches

Draft - 10 inches (300 mm) keel raised for trailering

4’ 8” keel down while sailing

Keel weight  150 lbs minimum 185 lbs maximum

Sail area 250 sq. ft. Main & Jib

Asym.  Spinnaker 350 sq. ft.

Fastest boat speeds are solidly in the teens, possibly pushing 20 knots.

 Go to YouTube for some fun videos.

The primary building materials are 1/4” (6 mm) marine plywood, epoxy, fiberglass and carbon fiber. The shape of the boat has been drawn with simplicity in mind and has roots in historic Long Island Sound Sharpie oyster boats. The oyster boats were simple and fast with a heavy load of oysters. First back to the packing house got the best price. 

A race for the money every day was a real stimulus for building fast hull shapes. 

The name Sharpie defined them. 

The founders of West System Epoxy, Jan and Meade Gougeon, built  an i550 for themselves, remarking on the power ratio of the i550 expressed as sail area to wetted surface area. There is a great amount of horsepower to weight, period. They filmed themselves building their i550  “Hot Canary",  for the Everglades Challenge and edited it down to 3 minutes from 12,000  frames.

  https://youtu.be/GDs_BKdYjaQ

Wood is an outstanding engineering material, period. Epoxy is an outstanding glue and waterproof coating, used throughout the construction the boat. Each part of the boat is coated with epoxy on all surfaces to exclude moisture. When mixed with different additive powders epoxy can be thickened to form structural peanut butter consistency for joints or smooth as silk fairing putties for painted surfaces. Dry wood lasts forever, go ask the Egyptian Pharos. 

Boats built using epoxy/wood composite 40+ years ago are as strong as the day they were launched.  Boats built this way last as long or longer than fiberglass boats and remain stronger longer. 

They smell better, too .

There is an enthusiastic group of builders to be joined at i550class.org and i550facebook A tremendous depth of knowledge and skills can be found there and help for any questions that might come up is offered freely. They welcome new people all the time. A number of very experienced and knowledgeable builders are posting there. It is one of the remarkable characteristics of the group. 

We invite you to email or phone me with questions for plans, full size patterns of the hull and frames and precut kit sets of the  frames and hull panels. Plans are sent by emailed .pdf files. CNC .dxf files for routers are an option for those with access to these great tools. 

Prices are very affordable.  $100 for emailed plans, 

$350  for CNC router cutting files, pdf plans included. 

The i550 has an established a deserved niche as a "best bang for the bucks boat".  

Tim & Susan

Pictures from around the world of i550's built from our plans

Plan set $100 usd sent as a .pdf..

Dimensioned in Metric and Imperial measurements

All drawings for hull panels, frames, keel, rudder and 6 deck versions included.  

CNC files $ 350 USD.

.dxf files for CNC Routers .pdf plans included. 

If you already have a set of plans $100 will be deducted from $350 

Hull parts & templates

Hull Panels and Frames Kits

Durable full size templates of hull & frame panels

Rudders 

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Have you always wanted a performance sportboat, but didn’t have a performance sportboat wallet? The original i550 was created for the MicroTon class, and has since been upgraded and redrawn as a one-off sportboat for fleet racing.

It’s ease of building for the amateur builder with “stitch-and-glue” method ensures a light, solid hull, and a quick build for even those with NO boat building experience.

i550 sailboat specs

Due to it’s simple construction method, there’s not much to the construction process. The whole thing can be cutout, and “stitched” together in a weekend. The construction process is fairly simple and straightforward; The wood panels are cutout and “stitched” together in a string jig to keep the boat symmetric. Once the boat has been stitched, the open hull is left right side up, and the seams glued with glass tape and epoxy. Frames are set in the boat, and taped with epoxy in place. The whole interior can then be epoxied and finished before adding the decking.

Decking comes next, then the hull exterior itself. The boat is still light enough in this stage that it can be easily turned over with the help of come friends. The bottom faired and finished and the hull turned back upright. Rigging is added, and any interior details come next. Sounds simple? That’s because it is. Total build time is typically about 200 man hours.

i550 sailboat specs

There is room down below for simple accommodations, and “camp style” sleeping. Plenty of room on deck ensures comfort both up and downwind. A bulbed keel gives stability and righting moment while allowing the boat to keep dinghy like performance.

i550 sailboat specs

The plans pack consists of: Construction Notes, Suggested Bill of Material, profile, plan and section views, nesting diagram, hull panel diagrams, frame diagrams, interior piece diagrams, keel and keelbox diagram, rudder diagram, cabin trunk diagram, deck layout diagram, and a rigging diagram. The plans pack is all A sized drawings in a easy to work with binder. Plans include both the standard, and extended cockpit version.

The rig can be obtained through a number of sources. We’ve put together a rig package for North American builders available upon request. Additionally, we plan to offer hull kits, and keel bulbs in the not so distant future. Check back soon for more information.

i550 sailboat specs

This boat has been built in 3 sizes, ranging from the i550, to the MG25, to the MG30. Plans are currently being redrawn for the latter two models and will be available soon. There are also a number of other designs coming; a smaller 15 foot sportboat, that is in the works, check back in the coming months for more details on these projects.

This is a great way to afford a high performance sport boat at a fraction of the cost of other offerings of this type of sailboat. If the builder is resourceful it can be sailing for less than $5,000. If the builder uses all the best brand new sails, mast, hardware and a trailer it can be sailing for $9,000.

It is fast, speeds in excess of 16 knots are quite possible!

Several of the photos in this article were submitted by Andrew Clauson in Australia. Andrew built the boat in a few seasons time, and will be racing other 6m sized sportboats. For more information on Andrew’s project you can visit his website at:

https://tokyotrashbaby86.tripod.com

Plans available from Duckworks - Click HERE Join the i550 discussion at Yahoo - Click HERE
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i550 by Watershed Sailboats

Annoyingly fast sport boat.

URL: http://www.i550sportboat.com/

Description:

The i550 is easy to construct, even for even the amateur builder, with a plywood "stitch-and-glue" method that ensures a light, solid hull, and a quick build. Or, to save drawing and cutting time, you can buy a kit from us, cut from the master templates or full-size paper patterns that are very accurate.

The i550 is annoyingly fast and has troubled much larger sportboats, like Elliot 7’s and a Melges 24.

The first i550 was launched in Australia a few years ago, home built by Andrew Clauson. It is the fabled Tokyo Trash Baby of YouTube fame.

The i550 is a big winner in the bang for the buck department. You’ll not only have the satisfaction of crafting your own sportboat, but think of the $25 or $35 thousand dollars you’ll be saving. Resourceful scavengers can put one together for $6,000 or less (US). Double that and you’ll have a carbon spar, fine sails, nice foils by a skilled maker and new everything. The building time typically spent comes in at about 400 hours for the hull, keel and rudder.

Following the plan set page by page, with the parts diagrams and instructions, the boat will come out right.

The rig has height and length limits, but the layout of the deck and cockpit are open to interpretation. Construction is simple stitch and glue plywood, epoxy and glass. Two people can have the hull looking like a hull in a weekend.

Put in the transom and bulkheads next while it is right side up. Epoxy coat and glass tape the parts in place and roll it over. Fair the bottom and fiberglass cloth it. There is room down below for simple camping style. Plenty of room on deck gives you room to move around. The lifting bulb keel gives stability and righting moment, but, most importantly, lets the boat launch easily at any boat ramp.

The plan’s pack consists of construction notes, suggested bill of materials, profile, plan and section views, nesting diagram, hull panel diagrams, frame diagrams, interior diagrams, keel and keelbox diagram, rudder diagram, cabin trunk diagram, deck layout and a rigging diagram. The plans pack is in a notebook-ring binder. Plans include both the standard and the extended cockpit version. Some creative builders are even building flush deck versions, and the Portland Group, who formed the North American Class (NA.org) have perfected the rounded flush deck version.

The mast can be obtained through a number of sources (both aluminum and carbon fiber). We will soon be offering keel bulbs and keels, ballast bulb molds and rudders. We also will build the i550 for you to any stage of completion. Clubs are especially encouraged to inquire. Before and after any purchase, Also, we are always here to answer your questions, anytime by email or phone. Five are now sailing in Australia. Many other builders, who have bought kits or full sized paper plans, are making great progress and we expect those i550 s to start launching soon.

i550

Boats about same size as i550

Questions? Suggestions? Contact us at: [email protected]

Building, restoration, and repair with epoxy

Epoxyworks

Building the i550 Sportboat HOT CANARY

By ben gougeon.

An autopilot steering failure on his sailing scow  Yello Thing  forced Meade to withdraw from the 2010 Everglades Challenge . When he reached the shore, he was already thinking about building another boat for the next race.

Slappy, one of the boatshop cats takes a last stroll around the deck before Hot Canary heads to Florida.

Slappy, one of the boatshop cats takes a last stroll around the deck before Hot Canary heads to Florida.

The next boat needed to be more substantial to handle rough seas. It needed to be trailerable and comfortable yet still meet the race’s natural requirements. Meade and Jan began looking into the i550, an 18′ sportboat designed by Chris Beckwith. The pair decided that with a few modifications the i550 would be perfect for the race. They ordered the plans and construction began.

The i550 Sportboat Solution

The Gougeon Brothers technical staff constructed the hull in their shop with Captain James R. Watson overseeing the building process. The i550 sportboat is built with plywood stitch and glue construction. We used ¼” 5-ply Okume plywood and judiciously placed 5 oz carbon fiber. The entire boat was built with WEST SYSTEM® 105 Epoxy Resin® and 207 Special Clear Hardener® .

The i550 sportboat under construction in the GBI shop.

The i550 sportboat under construction in the GBI shop.

With all of the bulkheads in place the ties were cinched tight before fillets and fiber-glass tape were applied to reinforce the joints.The next boat needed to be more substantial to handle rough seas. It needed to be trailerable and comfortable yet still meet the race’s natural requirements. Meade and Jan began looking into the i550, an 18′ sportboat designed by Chris Beckwith. The pair decided that with a few modifications the i550 would be perfect for the race. They ordered the plans and construction began.

The i550 sportboat's bulkhead is stitched in place with zip ties.

The i550 sportboat’s bulkhead is stitched in place with zip ties.

The first task was to scarf three 4′ × 8′ pieces of the marine plywood together using the WEST SYSTEM 875 Scarffer™. We constructed a simple jig to enable the proper cut point on the plywood to minimize waste. After cutting the panels, we bonded them together with a mixture of 105 Resin and 207 Hardener thickened with 406 Colloidal Silica filler. Then we lightly sanded the panels with a random orbital sander to clean the scarf joints and prepare the surface for a coating of 105/207 mix. We “flow coated” the surface by applying mixed epoxy with a 10″ drywall knife. This was an efficient, yet effective method to coat three 22′ × 4′ panels with epoxy prior to construction.

With the panels coated, we overlaid the Tyvek™ patterns (provided by Watershed Sailboats) on the panels and made reference marks to transfer the pattern shape for accurate cutting. Using a handheld jigsaw, we cut the patterns from the panel, careful to leave the original reference marks intact. It’s always easier to remove extra material later than it is to put it back on.

Captain JR Watson built an ingenious jig we used to set a scribe mark around the perimeters of the cut and trimmed panels. From this point, we drilled holes at 8″ intervals to allow for the HDPE zip ties to “stitch” the panels together.

We loose-fit the panels with the zip ties in place to achieve something close to the desired hull shape. With bulkheads fitted in the same manner, the i550 was starting to look like a boat.

The daggerboard trunk was fit in position after the bulkheads were in place. Gray pigment was added to the fill coat of epoxy over the fillets.

The daggerboard trunk was fit in position after the bulkheads were in place. Gray pigment was added to the fill coat of epoxy over the fillets.

Once the i550 sportboat was moved to the boat shop, work on the deck began.

Once the i550 sportboat was moved to the boat shop, work on the deck began. Another shop cat, Newbie, looks on.

After cinching the zip-ties we added some spacer modifications to the bulkheads to alter the hull camber midship and forward of midship. We tabbed the seams with WEST SYSTEM 732 Episize 9 oz fiberglass tape. When the epoxy had thoroughly cured, we removed the zip ties.

We then completed the cockpit, deck, stem, and stern using techniques detailed in the book, The Gougeon Brothers on Boat Construction. After completing the hull, we moved the boat across the street to the Gougeon Brothers boat shop for Meade and Jan to finish. They made a few modifications and customized the boat to fit the needs of the race. The i550 sportboat is a one-design class that allows modifications.

The first thing we looked at was the bulb keel called for in the plans. Because we needed a shallow draft, we built a straight keel that fully retracts into the hull. This flush keel arrangement is ideal for moving the boat over land. The Everglades Challenge requires all boats to be manually moved from the beach to the water.

We cast a NACA 12% lead foil and attached it to a board with the same section. An aluminum crane fitted with a winch lifts the keel through the daggerboard case. This arrangement provides a sufficient mechanical advantage for one person to raise the keel to the desired height. The boat can be sailed with the keel up, down, or at any position in between. When portaging, the keel would be raised until flush with the bottom. The keel allows for sailing in shallow waters and for it to be easily trailered. With the keel cranked all the way down, the i550 is very seaworthy and has tremendous righting-moment.

Meade and Jan will use three heavy-duty, reinforced 10″ × 48″ beach rollers to move the craft over land. The rollers, stowed beneath the cockpit, serve double duty as positive flotation.

The next thing we focused on was the rig. We bought a 25′ 6″ carbon fiber mast from C-Tech in New Zealand. Because the rig has to be lowered during the portage and pass beneath a 10′ high train bridge, we fitted the craft with a tabernacle instead of a standard mast step. This tabernacle allows one to raise and lower the mast without assistance. No gin pole or stay guides are required. All internal halyards pass into the tabernacle and route to the cockpit.

Meade Gougeon rolls a coat of paint on the overturned hull of the i550 sportboat, while his brother Jan follows up with a tipping brush.

Ben Gougeon demonstrates the blowout safety feature of the rudder with a moveable trailing edge tensioned with a shock cord.

The aluminum crane fits into a slot on either side of the hull and can lift the keel for sailing in shallow water or trailering.

The bowsprit of the i550 sportboat is hinged at the bow and attached to a crossed line at the base of the cockpit which will allow it to pivot 30 degrees.

The bowsprit of the i550 sportboat is hinged at the bow and attached to a crossed line at the base of the cockpit which will allow it to pivot 30 degrees.

The Rudder Assembly

Because the rudder was the major source of malfunction on Yello Thing, Meade knew the i550 sporboat needed a forgiving steering system. He designed a daggerboard-style adjustable draft rudder with a blowout safety feature. The rudder foil is set into a case with a non-destructive breakaway system that involves a moveable trailing edge tensioned with a shock cord. The boat can be sailed with the rudder fully extended, or in shallow water, partway up. This rudder configuration eliminates any chance of damage when grounding, while retaining a balanced helm at any depth of rudder setting, permitting shallow water control.

Instead of a retractable pole that protrudes from one side of the bow, common to sportboats, we experimented with a pivoting pole that can be adjusted off-center up to 30° for better downwind performance. The bowsprit is hinged at the bow and attached to a cross-line at the base of the cockpit. This allows the spinnaker to be articulated from inside the cockpit.

With this final change complete, the i550 is now ready to take on The Everglades Challenge. We wish Meade and Jan, along with all the participants of The Everglades Challenge, the best of luck this year.

Anyone who is interested in building their own i550 sportboat may contact Watershed Sailboats at www.i550sportboat.com. Our WEST SYSTEM technical advisors are happy to assist anyone considering this project. Call us toll-free Monday through Friday 9-5 ET, 866-937-8797.

Meade and Jan shake down the completed i550 sportboat Hot Canary in Florida prior to the race.

Meade and Jan shake down the completed i550 sportboat Hot Canary in Florida prior to the race.

March / April Issue No. 297  Preview Now

i550 sailboat specs

Sailboats - Cruising

The i550 is a fast modern sharpie type hull shape owing its roots to the historic sharpies of Long Island Sound. The sharpies were known for their speed and seaworthiness, the i550 picks up where they left off. It fits in with the sportboats speeds and ability to plane off the wind.It is a simple design for stitch and glue construction using 1/4″ (6 mm) marine ply, epoxy and fiberglass. Quite a few have been built in North America and Australia, Croatia, Russia, Brazil and 15 other countries.There is a builders group at i550class.org and numerous Youtube videos. It is a welcoming group and has a wealth of knowledge to share.

Design Specifications

Watershed Sailboats Tim Reiter [email protected] 970-507-0428

i550 sailboat specs

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i550 hard chine sportboat

Discussion in ' Sailboats ' started by timber , May 9, 2011 .

timber

timber Junior Member

It has been described as an ugly duckling. However the number of boats is steadily increasing. As of May there are about 380 plan sets and about two dozen are about to launch and join the dozen already sailing. Simple to build and cheap is the route to bring more people to sailing  

CutOnce

CutOnce Previous Member

timber said: ↑ It has been described as an ugly duckling. However the number of boats is steadily increasing. As of May there are about 380 plan sets and about two dozen are about to launch and join the dozen already sailing. Simple to build and cheap is the route to bring more people to sailing Click to expand...
Thanks for the eye is in the beauty of the beholder. There is a great youtube video of the Gougeon Brothers build; classical music (hi,yo silver) and the link is here i550class.org and i550.org.  
Or easier yet. 
 http://www.youtube.com/watch?v=GDs_BKdYjaQ  

wheels

wheels Junior Member

http://www.boatdesign.net/forums/boat-design/easy-build-but-ugly-bad-idea-37044.html#post448941 wheels said: ↑ the i550 is one of 3 boats I've been doing alot of research into. Personally I think it is gorgeous. Angular and aggressive. Not to say that a 40ft sloop isn't beautiful in it's own way. you seem to miss one big part of the equation here. Heart. Any knucklehead can slap one together with a couple hundred hours of work. But the builders invest more time energy dedication and love into getting it just the way they want. Wouldn't you want your builder to put that much effort into building whatever design you happen to choose? If it gets people interested and involved in sailing it's a great step in my opinion. it's function is to get people on the water. sailing. Fairing and glassing might take some time but it's not difficult. Joe Sixpack can put it together in his garage with his kid helping in a relatively short time. They are fun. They are fast. They are capable. Not all of us want to spend 5-25 years building something for retirement. We want to get on the water and play. its not so much the cost end as it is a time end. it's why the little puddle duck racers are so popular/ugly. Sure there is a HUGE amount of compromise in design vs performance. But they work. They are fun. And they get people sailing. We understand the desire of some to have every detail hand worked to perfection. There is nothing wrong with that and I truly admire those with the patience and skill needed to complete more traditional build methods. But it's not for me. I want to get out there and get wet Click to expand...
i550's, Puddle Ducks and launchings During the last few weeks another i550 has been launched in Portland OR. You can check into i550na.org to follow up on this one. Another i550 is going to splash on Flathead Lake, Montana. It is a beautiful little boat. Go to i550class.org for this one. Interestingly, PHRF around the country has given the i550 ratings anywhere from 120 (ouch) to 174. We think that an average of the two might be accurate. On the other hand the purpose of this design is to open the eyes of the young and old (that would be me) to high performance sailing, not to do any rating busting. Like the Puddle Duck the i550 is the most economic way to build a boat to get out on the water. We just made a point on one end. T  

frank smith

frank smith Senior Member

I think the I550 is a cool boat . Btw I have seen similar hull designs as large a 44 feet .  

BPGougeon

BPGougeon Junior Member

I highly recommened the i550. The boat you saw on the linked video is an absolute blast. I cant wait for the water to warm up a little. I plan to spend most of the summer on that boat.  
Thank you for the words of support. Tim  
Time to bring the fans of the i550 up to date. We have recently sent plan set 415 out. There are 8 or more building in Tasmania in anticipation of the upcoming trailer sailer and sportboat nationals. Portland Oreon is a center for the PNW with carbon rigs arriving for 5 boats and a recent launch on Flathead Lake , Montana.  

jim lee

jim lee Senior Member

Timber, where are the carbon rigs being made? -jim lee  
An update is in order for the i550. We've been busy and Plan set #454 just found a home in Corpus Christie, TX. Also Eastern and Southern Europe are getting plan sets. This summer (winter for you antipodeans) will see the doubling of the number of boats sailing in the US and Australia. Cheaper, faster, funner  

Jetboy

Jetboy Senior Member

I was very close to building an i550 before settling on an 18' folding trimaran. I would love to race head to head against an i550 to see how the two home-built boats compare. I think I'll have a bit more time involved and possibly a little more $ in materials, but I think we'll be pretty close. I think the sail areas will be close as well. Any chance there are any being built in Utah?  
i550 in utah There are none building in Utah that I know of. However there might be and I just don't know about it. Check the map at i550sportboat.com to see if there is a planset orbuilder or sailing i550 near your location.  
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It looks like there is one building near me. I'm not sure I'll even be on the water this season, but if all goes well I might be sailing by fall. If so I'll have to try to get in touch with him and see if he wants to go sailing some afternoon.  

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  • Sailboat Guide

2012 18' i550 i550

  • Description

Seller's Description

i550 sportboat for sale.

2012 professional build, flush deck model. Formerly known as Poker Face

Carbon fiber rigmast, boom, & 6 articulating carbon sprit. North sailsmain, jib, asym. Ronstan/Harken sail harware. All rigging, sail bags, etc. Custom built trailer included. No motor.

This is a fast boat. Speeds above 14kts.

Youtube videos of this boat sailing search i550 poker face

Bob Perry review at the i550 class website.

There is an active facebook page for this class as well.

Great boat for fast day sailing and camp cruising, racing, phrf. Large cockpit can accommodate a crew or can also be singlehanded. The Gougoen brothers (West System Epoxy) built a very nice example for the Everglades challenge called Hot Canary. Some good articles floating around out there on the speed and success of this boat.

Asking $6000

Email w phone # for serious inquiries please. Thanks for looking!

Equipment: Specifications: Weight 800 lbs. (363 kg) Length 18 feet or 5.50 meters (hence the 550 in the name) Beam 8 feet WL Beam 4 feet 6 inches inches Draft - 10 inches (300 mm) keel raised for trailering 4 8 keel down while sailing Keel weight 150 lbs minimum 185 lbs maximum Sail area 250 sq. ft. Main & Jib Asym. Spinnaker 350 sq. ft. Fastest boat speeds are solidly in the teens, possibly pushing 20 knots. Go to YouTube for some fun videos.

Rig and Sails

Auxilary power, accomodations, calculations.

The theoretical maximum speed that a displacement hull can move efficiently through the water is determined by it's waterline length and displacement. It may be unable to reach this speed if the boat is underpowered or heavily loaded, though it may exceed this speed given enough power. Read more.

Classic hull speed formula:

Hull Speed = 1.34 x √LWL

Max Speed/Length ratio = 8.26 ÷ Displacement/Length ratio .311 Hull Speed = Max Speed/Length ratio x √LWL

Sail Area / Displacement Ratio

A measure of the power of the sails relative to the weight of the boat. The higher the number, the higher the performance, but the harder the boat will be to handle. This ratio is a "non-dimensional" value that facilitates comparisons between boats of different types and sizes. Read more.

SA/D = SA ÷ (D ÷ 64) 2/3

  • SA : Sail area in square feet, derived by adding the mainsail area to 100% of the foretriangle area (the lateral area above the deck between the mast and the forestay).
  • D : Displacement in pounds.

Ballast / Displacement Ratio

A measure of the stability of a boat's hull that suggests how well a monohull will stand up to its sails. The ballast displacement ratio indicates how much of the weight of a boat is placed for maximum stability against capsizing and is an indicator of stiffness and resistance to capsize.

Ballast / Displacement * 100

Displacement / Length Ratio

A measure of the weight of the boat relative to it's length at the waterline. The higher a boat’s D/L ratio, the more easily it will carry a load and the more comfortable its motion will be. The lower a boat's ratio is, the less power it takes to drive the boat to its nominal hull speed or beyond. Read more.

D/L = (D ÷ 2240) ÷ (0.01 x LWL)³

  • D: Displacement of the boat in pounds.
  • LWL: Waterline length in feet

Comfort Ratio

This ratio assess how quickly and abruptly a boat’s hull reacts to waves in a significant seaway, these being the elements of a boat’s motion most likely to cause seasickness. Read more.

Comfort ratio = D ÷ (.65 x (.7 LWL + .3 LOA) x Beam 1.33 )

  • D: Displacement of the boat in pounds
  • LOA: Length overall in feet
  • Beam: Width of boat at the widest point in feet

Capsize Screening Formula

This formula attempts to indicate whether a given boat might be too wide and light to readily right itself after being overturned in extreme conditions. Read more.

CSV = Beam ÷ ³√(D / 64)

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Small Boats, Big Dreams: The Intricacies of I550 Sailboats

Michael Johnson

Small Boats,⁣ Big Dreams: The Intricacies ⁤of I550 Sailboats

1. Uncovering the Ingenious ⁢Design of I550 Sailboats: A Closer‍ Look at⁤ Their ⁢Performance and ⁢Efficiency

1. ⁣Uncovering the Ingenious ⁤Design of I550 Sailboats: ‍A Closer Look at⁣ Their Performance and Efficiency

The I550 sailboats have garnered a⁣ reputation as one ‌of‍ the most ingeniously designed ‌watercrafts in the maritime⁢ world. With‍ a keen focus ​on performance⁤ and efficiency, these sailing ⁢vessels​ offer⁣ a remarkable combination‍ of ​speed, agility,⁤ and⁢ versatility.‌ Let’s ‍delve deeper into⁢ the intricacies that make the I550⁤ sailboats stand out from the rest.

1. ⁤Hull ⁢Design: ​The hull of the I550 sailboat is meticulously ‌crafted to ​maximize hydrodynamic efficiency. ‌Its⁣ sleek and ⁣narrow ‍shape reduces drag, enabling the boat to glide ‍through the​ water effortlessly. The design also incorporates a‌ fine entry bow, allowing the boat to cut through‌ waves smoothly⁣ and ⁢minimize resistance.

2. Rigging and Sail ‍Plan: The sail plan‌ of the I550 sailboats is⁢ carefully optimized to⁣ attain exceptional performance. Equipped with⁢ a ⁣ high ​aspect ​ratio ,‍ the sail area ⁤is distributed efficiently⁢ across the ⁤main‍ and jib​ sails. This setup provides balance‍ and‍ stability,​ allowing ‌for increased speed and ⁣maneuverability. The rigging system, complemented by adjustable components, ensures ⁤optimal mast‍ positioning and⁣ sail tension, enhancing ​overall ‍efficiency.

Small ‍Boats, Big Dreams: The Intricacies of ‌I550 Sailboats

2. Exploring⁢ the Versatility of​ I550 Sailboats: ‌From⁣ Racing to ⁢Cruising, How ‍These Small Vessels⁣ Meet Big⁣ Expectations

2. Exploring the Versatility of I550 ⁢Sailboats: From Racing to⁣ Cruising, How These ⁣Small Vessels ​Meet Big ⁤Expectations

Exploring the versatility of i550 ​sailboats.

Embarking on⁢ the journey of⁣ sailboat ownership means ‍navigating a sea of options to find the ​perfect vessel⁣ that meets all your needs.⁢ The I550 Sailboat stands ⁣out amongst​ its ​competitors as‌ a true jack-of-all-trades, seamlessly transitioning from‍ racing to cruising without ​compromising on‍ performance ⁤or‍ comfort. So,​ what makes ⁤these small ⁣boats such powerhouses‌ in the world ⁢of sailing?

First and foremost,‍ the I550 Sailboat boasts ⁤an ⁣ingenious ​design that maximizes speed and stability. With its slender hull, ​sleek lines, and light construction, this vessel has⁢ an unrivaled ⁤ability⁤ to slice through the ⁣water, effortlessly⁢ harnessing the⁣ wind’s power. Whether ⁣you’re competing⁣ in a daring race or ‌leisurely cruising⁤ along ⁣the coast, the I550 guarantees⁢ an⁤ exhilarating ‍experience⁢ like no⁢ other.

From Racing:

  • The I550’s high-performance rigging ⁣and advanced sail plan allow it to reach ‍impressive speeds, making it ⁤a fierce competitor on ⁤the regatta circuit.
  • Its responsive handling,⁣ agility, and exceptional upwind performance ensure that ‍every sailor ‍can ⁣push their ‍limits and excel ‍in⁣ competitive races.
  • The ⁤innovative ‍design⁤ features, such as‌ a​ retractable carbon fiber bowsprit, removable‍ bow pole, and adjustable ‍draft,⁣ enable ⁢sailors to optimize⁣ their boat for⁢ varying wind conditions, ‌gaining‌ a competitive edge.

To ‌Cruising:

  • Don’t let its ‍racing pedigree fool‌ you – the I550 also has ⁤all the amenities for comfortable and leisurely cruising⁣ adventures.
  • Spacious cabins, well-appointed‌ interiors, and ample ​storage make extended voyages a⁤ pleasure, allowing sailors to explore new ‍horizons in style.
  • The I550’s ‌compact size ‌means easier handling and maneuverability, ensuring⁢ stress-free navigation even in ⁤tight‍ marinas‌ or​ when solo sailing.

3. ‌Enhancing Sailing Experience:⁤ Key Features and Components to Consider for Optimum​ Performance ​in I550 Sailboats

3.⁢ Enhancing Sailing Experience: Key Features and Components to Consider for Optimum Performance⁤ in I550 Sailboats

Sailing aboard⁣ an I550 sailboat‍ is an exhilarating experience, and to ensure optimum performance, there are several key features and components that⁤ should be ⁤considered. Investing ‌in these enhancements ‌can significantly enhance your overall sailing experience and make your time on ​the water‍ even more enjoyable.

1.⁤ High-Quality Sails:

One‌ of the most​ crucial components⁤ for ⁢optimizing performance in I550 sailboats is the quality of ‌the sails. Premium crafted sails, designed specifically for⁤ the ‌I550, can‌ greatly improve your‍ boat’s maneuverability, speed, and responsiveness to different wind conditions. Look for sails made⁣ from durable materials like Kevlar⁤ or carbon fiber, ‌as they offer both⁢ strength‍ and flexibility. It’s also advisable ​to invest in different ​types of sails, ⁤such as mainsails, jibs, and spinnakers, to adapt to varying wind angles and speeds.

2. Efficient Rigging:

The rigging on an I550 sailboat plays⁢ a​ crucial role in ⁢maintaining control ⁢and stability. Upgrading to high-performance rigging materials , such ⁢as Dyneema⁢ or ⁣Spectra ropes, not only increases strength but also reduces ⁤stretch, ​allowing for ​more precise ⁣control over the sails.‍ Additionally, consider investing in⁤ a well-designed⁣ bowsprit and retractable carbon fiber pole to ⁣enhance your⁣ boat’s downwind performance. ‌Properly tuning ⁢your rig for optimum mast bend and⁤ tension is also essential for maximizing speed and sail efficiency.

4.​ Tips for Potential Owners: Navigating the​ Tailored World‌ of I550 Sailboats and ‍Making⁣ the‍ Right ⁤Purchase Decision

4.‌ Tips for Potential Owners: Navigating ‍the Tailored World‌ of⁣ I550 ​Sailboats and⁣ Making the ⁤Right Purchase Decision

When considering a purchase of an I550 sailboat, it’s crucial to understand​ the intricacies of this‍ tailored world. Here‌ are some valuable ⁤tips‌ for potential owners ‌to navigate through the decision-making‍ process and ensure they make the right purchase:

Research is Key

  • Before diving into the ⁢world of I550 sailboats, ‌thoroughly research‌ the‌ different ⁣models, features, and specifications‌ available.
  • Consider the primary purpose‌ of the boat, whether it’s for racing, cruising, or both,⁣ as this will⁣ influence⁣ your ⁣selection.
  • Read reviews and gather​ opinions‌ from‍ experienced⁣ sailors to gain ‌insights into the performance, durability, ‍and‌ design aspects of ⁣various ​I550 sailboat‌ models.

Consult Experts

  • Seek advice‌ from professional boat dealers and ​boatyard operators who are well-versed⁣ in I550 sailboats.
  • Consult ‍experienced‍ sailors who have owned or sailed I550s before, as they can provide practical insights and offer guidance based on their own experiences.
  • Participate in⁢ sailing forums ‌or join online communities frequented ⁤by I550 enthusiasts. This will help you connect ‌with‌ other passionate⁢ owners, enabling ​you to learn ⁣from their ‍expertise and gather⁢ invaluable tips.

5. Onward to Victory: Strategies and Best Practices for‍ Competing in I550 Sailboat Racing's ‌Fierce Championships

5. ​Onward to ⁢Victory:‍ Strategies and Best⁤ Practices for Competing in I550 ⁣Sailboat⁣ Racing’s Fierce Championships

The‍ world​ of I550⁢ sailboat ⁤racing brings together a community of passionate ⁣sailors, driven​ to push⁣ the limits of⁣ speed and performance on⁣ the‌ water.‍ To stand⁢ tall‌ on the podium in these fierce championships,‌ a combination of strategic thinking, precise maneuvering, and exceptional sailing skills is essential.⁢ Here are a ⁣few strategies and best practices that can give you an edge in this ⁣exhilarating sport:

1. Race⁣ Course ​Analysis:

Before ​every championship, analyze the race ⁢course. Understand the wind patterns, tidal currents, and ‍any potential obstacles.‌ This will⁣ help ‍you ⁢determine the most favorable routes, make informed tactical⁤ decisions during the ⁤race,⁢ and capitalize on competitive⁤ opportunities.

2. Master the Art of Boat Handling:

Being a ‍skilled helmsperson ‍and crew is paramount ⁣in‌ I550⁤ sailboat racing. Practice‍ precise sail trim, efficient tacking⁣ and gybing techniques, ⁤and flawless spinnaker⁢ handling. Enhance your boat⁢ handling skills through drills, simulations,‌ and ⁢hands-on experience ⁣to⁣ ensure smooth ‌and swift maneuvers that can save vital seconds on the racecourse.

3. Optimize Sail ​Selection:

In the ​diverse wind conditions of ​championship races, choosing the ‍right⁤ sails is critical. ⁢Experiment with different combinations and know which ⁣sails perform ⁢best under light, moderate, or heavy winds.⁢ Remember, finding the optimal sails ‌for every ⁣race​ will significantly impact your speed⁣ and control, giving​ you ⁤a‌ winning advantage.

By​ employing these strategies ​and following best practices, you can ⁣enhance⁢ your competitive edge in I550 sailboat⁤ racing. Every race offers ⁤an opportunity ⁤for growth, so continuously⁣ learn from⁣ your experiences, adapt your‍ strategies, and sail forth⁣ with determination and proficiency towards the ultimate goal⁢ of⁤ victory.

Small Boats, Big Dreams: The ⁣Intricacies of I550 Sailboats

An I550 sailboat embodies ⁢the essence of speed, agility,⁣ and competitive racing. ‌These lightweight, ⁢high-performance boats ⁢are purpose-built for thrilling⁤ and demanding⁤ races. Let’s explore some key⁢ intricacies ‌and⁣ features ⁣of ⁣these magnificent vessels:

1. Sleek Design:

The I550 is characterized by ‍its sleek hull, sharp⁣ chines, and fine entry bow. The design ‍maximizes speed and stability ⁢while minimizing drag. Its distinctive, ⁢sporty appearance ​is⁢ a testament ​to the speed and‌ agility⁢ it ‍can​ achieve on the water.

2. Fixed Keel:

The ⁢I550 is equipped with a fixed lead keel,⁣ providing stability and preventing capsizing. The keel​ also enhances upwind performance by reducing ⁣drift ⁢and allowing the boat to⁢ maintain a straighter course, making it easier for ‍sailors to optimize ​their tactics.

These ‍intricacies ‍offer ⁣a glimpse ‌into the ⁢world of I550 sailboats. The combination⁤ of technical design, skilled crew, ⁣and ⁢tactical prowess allows sailors ‌to unleash their potential and chase⁤ their ⁣sailing dreams on these⁢ impressive ‌racing machines.

Q: ​What ⁢are I550 sailboats? A: ⁤I550 sailboats ⁤are a class⁤ of high-performance, small racing sailboats designed for amatEstimated Mile Range sailors. ⁣They‍ are known for their impressive speed, agility, and versatility on the water.

Q: Who designed the I550 ‍sailboats? A:‌ The I550 sailboats were designed by Andrew ‍Norton, an experienced naval architect, in⁢ collaboration with a team of⁤ dedicated sailors and professionals​ passionate about the ⁣sport.

Q: What‌ makes‌ I550 sailboats unique? A: One of the main ⁢characteristics that sets I550 sailboats ⁣apart ‍is​ their ​lightweight construction.​ Made primarily of ‍fiberglass and ‌epoxy, these vessels offer ​an​ optimum combination of ​strength and weight,‍ enhancing their ‌performance ⁤on ⁣the water.

Q: How​ long‍ is ​an I550 sailboat? A: The‌ overall length‍ of an I550 sailboat is 16.4 feet ⁣(5 meters). This ​compact size allows for‍ easy handling, both on land and⁤ in ‍the water.

Q: Can you tell​ us more about I550 sailboats’ rigging? A: I550 sailboats ⁢feature a simple ‌yet ⁣efficient rigging⁣ system.‍ The mast is positioned further aft than in‍ conventional sailboats, ‌which optimizes sail ⁣balance,⁤ improves‍ maneuverability, and enhances‍ speed.⁢ The ‍sail plan⁤ includes⁣ a‍ generous main sail and a jib, providing⁤ a good balance between ease of use and performance.

Q:⁢ What is the maximum⁤ crew capacity of⁢ an I550 sailboat? A: ⁣An I550 sailboat is designed to⁤ comfortably accommodate ​a crew of ⁣two or three people. Due ‌to its compact size, it is⁤ an ideal racing ⁤boat for smaller teams or solo sailors.

Q: ‌How fast can an I550 sailboat go? A: I550 ⁢sailboats are​ renowned⁢ for their speed ‍capabilities. Depending on wind conditions‍ and ⁣crew experience, these boats can ​reach speeds of up ​to 20⁢ knots (23 miles per ​hour / 37 kilometers ⁤per ⁢hour) or‍ more, providing an exhilarating sailing experience.

Q: Are I550 ‌sailboats‌ suitable for beginners? A: While I550 ‍sailboats are ‍generally favored ‌by‌ experienced sailors and racing enthusiasts, they can also ⁣be enjoyed by beginners with some sailing⁢ background. However, it is recommended for newcomers⁤ to sailing to take ⁢proper‍ training⁣ and ​gain experience ​before⁣ handling these high-performance ​boats.

Q: Can ⁤I550 ‍sailboats be used for cruising, or are they​ only for racing? A: Although I550 ​sailboats were initially designed for racing purposes, they can also be ‍used ⁢for‍ recreational cruising. Their agility ‍and speed make them a thrilling vessel for exploring ⁣coastal ‌waters, ⁣lakes, or even participating in short-distance races.

Q: Where can I purchase ‌an I550 sailboat? A: I550 ⁤sailboats can be ‌purchased from specialized ⁤boat ⁤builders ⁢who offer kit packages. ‍These kits typically ‍include ‍all the necessary components ‌to build a ⁣complete sailboat⁣ from scratch, and⁢ some manufacturers even ⁤offer pre-built boats for sale. Additionally,‍ second-hand ⁣I550 sailboats ⁤can sometimes be found in the market.

In Conclusion

In⁣ conclusion, the intricacies‍ of I550 sailboats truly ⁢highlight ​the⁢ adventures that can⁢ be had on these small but mighty‌ vessels. With their sleek design, advanced technologies, and customizable features, these boats offer⁣ a thrilling and challenging sailing‌ experience for enthusiasts around⁢ the⁢ world. From racing​ to ⁤cruising, the I550 provides a platform for individuals to pursue⁣ their ​big ⁤dreams ​on the ⁢open‍ waters.

As we have explored,⁢ the ⁤I550 sailboat offers a perfect balance of speed and stability, ​making it‌ ideal for​ both ​beginners and experienced ‍sailors ⁣alike. Its innovative⁣ design and attention to detail ensure a thrilling ride, ⁢while still ‍prioritizing safety and ease ​of use.

Additionally, the⁢ I550 sailboat community ⁢is⁢ a vibrant‌ and passionate group⁢ of individuals, who​ share a‍ deep⁢ love ‌for the ‌sport and​ the camaraderie it brings. Whether you are new to‍ sailing or a seasoned sailor, ⁣you can find support and encouragement within ​this community, fostering friendships and sharing ⁢unforgettable experiences.

In conclusion, ‌the I550 ‍sailboat​ is⁤ a testament​ to the boundless‍ potential of small boats​ and the dreams they can help realize. So,⁤ whether you are compelled by the thrill of ⁢racing, yearn for a peaceful ⁣voyage, ⁢or simply seek ⁣to⁣ challenge yourself, the I550 sailboat is ready ⁢to embark on the journey alongside you. With its intricacies and unwavering spirit, ⁣it is no wonder ⁤that this ⁢boat continues ⁢to inspire sailors and ignite ⁢their ⁤passion for the‍ sea. So,​ what‍ are you waiting for? Set sail⁤ on⁣ your own epic adventure ‌and let⁤ the I550⁤ sailboat lead the way ‌to ⁤your dreams. ‌

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This past winter I got hooked on a small sportboat called the i550. It's a stitch and glue plywood screamer that is quickly growing world wide. The boat can be built from plans, kit or from full size patterns. I chose to loft my own since I had enough Okoume plywood to built the boat. There are class rules which are have plenty of room for error for the first time builder. There are two cabin length options and the designer has chosen to build his with a flush deck. Needless to say, I have pushed the envelope a tad and heavily modified mine, while keeping the boat class legal. I kind of wish they mandated a cabin but if someone was going to build a flush deck screamer, I had to do it as well. The first boat, Tokyo Trash Baby is well known and has several fantastic Youtube videos which will certainly get one's attention. The boats do have an interior and if you don't mind cramped quarters, berths for a small family of four. Full kits are somewhere near $2,500+- and plans, including official class hull #s are only $75. They claim build time is around 200 hrs, but I have at least that much time staring at the boat wondering what to do next. It has been a blast to build and the class involvement and contribution is second to none. The boat is has a retractable bulbed keel and can be ramp launched with ease. Total sailing weight is 800 lbs. No restrictions on materials, but plywood is best. I had a tough time with the stitch and glue because of my background of hard plug construction, but got it done and feel prouder of that accomplishment than any boat to date. Class website for any interested: http://www.i550.org/index.php My boat (have not updated photos for a few weeks) : http://s119.photobucket.com/albums/o145/Tynaje/222/ Tokyo Trash Baby video (several to choose) : http://video.google.com/videosearch...&q=tokyo trash baby&um=1&ie=UTF-8&sa=N&tab=wv # Hull # 107 video : http://www.youtube.com/watch?v=-Iux...=view&catid=2&id=2931&feature=player_embedded I don't think a person could get into any boat with this kind of performance, stability and fun for the buck. It can also be detuned a bit for family trailer fun, 107 has reduced sail area and rig height I believe. Peter  

sailormanbigd

sailormanbigd

good stuff Peter, thanks for sharing. Whats the length?  

Phil Herring

Phil Herring

sailormanbigd said: good stuff Peter, thanks for sharing. Whats the length? Click to expand

Napa Ed

You cast your own bulb? Where and how did you determine the alloy? Saw a couple of pics of a foam positive. Any other information on the website? Thanks  

Napa Ed said: You cast your own bulb? Where and how did you determine the alloy? Saw a couple of pics of a foam positive. Any other information on the website? Thanks Click to expand

Timo42

Spreading the Koolaid I see, the west coast is a little behind you guys, we hope to see 3 or 4 splashed next year, working on keel and rudder on mine this summer, laminated redwood foils and wheel weights for the bulb. There have been discussions about a group build for the hulls this fall in L.A, if anyone else is interested.Go the I550. Tim, hull #159  

i550, we're spreading like a fungus Hi, found another place to recruit KoolAid drinkers, I see. Heheheheheheh TR  

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COMMENTS

  1. i550sailboat.com

    The i550 has found a spot in the building sheds and imaginations of hundreds of sailors around the World. It is an 18 foot performance sailboat designed for amateur home builders. The performance is thrilling and has given many sailors memorable days on the water. i550's plane in moderate breeze and can be sailed single handed, two crew make ...

  2. Duckworks Magazine

    This boat has been built in 3 sizes, ranging from the i550, to the MG25, to the MG30. Plans are currently being redrawn for the latter two models and will be available soon. There are also a number of other designs coming; a smaller 15 foot sportboat, that is in the works, check back in the coming months for more details on these projects.

  3. i550. Annoyingly fast sport boat

    i550 by Watershed Sailboats (LOA: 5.5 m). Annoyingly fast sport boat. Specs, plans, building logs, photo and video gallery. ... The i550 is easy to construct, even for even the amateur builder, with a plywood "stitch-and-glue" method that ensures a light, solid hull, and a quick build. Or, to save drawing and cutting time, you can buy a kit ...

  4. i550 sport boat

    i550 sport boat. The i550 is a very popular 18 foot stitch and glue design. Simple construction and avid builder blogs and websites add a sense of community and support for the builder. ... Design Specifications. Designer. Chris Beckwith. Year of Design. 2007. LOA. 18. Beam. 8. Draft. 4'8" Displacement. 800. Materials. Wood. Fiberglass ...

  5. I550 Sail Data

    Complete Sail Plan Data for the I550 Sail Data. Sailrite offers free rig and sail dimensions with featured products and canvas kits that fit the boat. ... 800 pound planing hull sport boat with bulb keel (185# max) and 58" bowsprit with asymmetrical spinnaker. You may also like. Tiller Cover Kit - Standard Sunbrella® Color. Throated Sail Cover ...

  6. i550 Class

    Welcome i550 Builders. Have a nice day! Buy the Plans, Build the Boat Whats' Happening. Class officers elected. ... Meade of West Systems took on the 2011 Everglades Challenge in an i550. The boat was build with a fin type keel that could be fully retracted to allow beach launching along with a rudder cassette with crash protection. They used a ...

  7. 2011 International i550 Racer for sale

    In 2011 the i550 won the double handed division of the Everglades Challenge race with Meade and Jan Gougeon behind the build, and the sailing. The hull is a single chine, four panel 1/4 inch construction with six frames for support. A keel with a modest bulb and single rudder while being sailed heeled over at about a 12 degree angle as made the ...

  8. PDF i550 Fleet

    i550 was created for the MicroTon class, but it has since been turbocharged and redrawn as a one-off sportboat for fleet racing. The ease of building for an amateur builder with the "stitch-and-glue" method ensures a light, solid hull, and a quick build for even those with NO boat building experience. Due

  9. Building the i550 Sportboat HOT CANARY

    Call us toll-free Monday through Friday 9-5 ET, 866-937-8797. Meade and Jan shake down the completed i550 sportboat Hot Canary in Florida prior to the race. The i550 sportboat is a one-design class sailboat built with plywood stitch and glue construction designed by Chris Beckwith.

  10. i550

    The i550 is a fast modern sharpie type hull shape owing its roots to the historic sharpies of Long Island Sound. The sharpies were known for their speed and seaworthiness, the i550 picks up where they left off. It fits in with the sportboats speeds and ability to plane off the wind.It is a simple design for stitch and glue construction using 1/ ...

  11. PDF As seen in

    i550 Sport boat M odern sport boats are expensive. Tooling, the various plugs and molds required to mold a GRP boat, are expensive. Modern gear is expensive. Carbon fiber spars and high-tech sails can cost close to what an entire, race-ready Soling cost years ago. But designer/builder Christopher Beckwith has

  12. Speed and Precision: The Thrilling World of I550 Sailboats

    The I550 sailboats are taking the sailing world by storm with their winning combination of speed and precision. These high-performance boats offer thrilling experiences for sailors of all levels. From beginners to seasoned professionals, the I550 delivers an exhilarating ride, pushing the boundaries of what is possible on the water. With a sleek design and advanced technology, these sailboats ...

  13. i550 hard chine sportboat

    Like the Puddle Duck the i550 is the most economic way to build a boat to get out on the water. We just made a point on one end. T timber, May 24, 2011 #6. Joined: Oct 2009 ... Keel Attachment Hardware Specifications. trustmethiswillwork, Feb 24, 2024 at 3:50 PM, in forum: Sailboats. Replies: 5 Views: 420. wet feet Feb 25, 2024 at 5:25 AM ...

  14. Time Lapse: i550 Sport Boat built with WEST SYSTEM Epoxy

    Time lapse video captures WEST SYSTEM Technical Advisors and company founders Meade & Jan Gougeon building in an i550 sport boat in Bay City, Michigan. This ...

  15. 2012 18' i550 i550

    Youtube videos of this boat sailing search i550 poker face. Bob Perry review at the i550 class website. ... Equipment: Specifications: Weight 800 lbs. (363 kg) Length 18 feet or 5.50 meters (hence the 550 in the name) Beam 8 feet WL Beam 4 feet 6 inches inches Draft - 10 inches (300 mm) keel raised for trailering 4 8 keel down while sailing ...

  16. i550 build part 1

    Mark Stieber's progress as he builds a sea kayak and an i550 sport boat for sail boat racing in Colorado and around the country

  17. Small Boats, Big Dreams: The Intricacies of I550 Sailboats

    Small boats can make big dreams come true, and the I550 sailboats are a perfect example. These compact vessels offer a thrilling experience on the water, combining speed and agility. With their sleek design and intricate construction, I550 sailboats have gained popularity among racing enthusiasts. This article explores the various features and intricacies of these impressive boats, shedding ...

  18. PDF BUILDING thei550 Hot Canary

    about building another boat for the next race. The next boat needed to be more substantial to handle rough seas. It needed to be trailerable and comfortable yet still meet the race's natural requirements. Meade and Jan began looking into the i550, an 18' sportboat designed by Chris Beckwith. The pair decided that with a few modifications the ...

  19. i550 sportboat

    i550 no.107 "Tonka" sailing on St Georges Basin. Tonka is a homebuilt i550 sportboat sailing only for the second time.

  20. i550 Sportboat

    i550 Sportboat. Public group. 1.2K members. Join group. Events. Discussion. Events. Have you always wanted a performance sportboat, but didn't have a performance sportboat wallet ? The original i550 was created for the MicroTon class,...

  21. SailboatData.com

    SailboatData.com …is a database that contains information on over 9000 production and semi-production sailboats dating back to the late 1800's. COMPARE BOATS. To compare up to three boats at one time, click the (+) Remove a compared boat by clicking (-) FORUM.

  22. i550

    18. i550, International 110, International Tempest - Jamestown. Jul 30, 2009. #1. This past winter I got hooked on a small sportboat called the i550. It's a stitch and glue plywood screamer that is quickly growing world wide. The boat can be built from plans, kit or from full size patterns.