plywood power catamaran

MIKE WALLER 

Yacht design.

WE SPECIALIZE IN BOAT PLANS FOR AMATEUR BUILDERS

We provide stock boat plans for both monohull and multihull sailing vessels, including sailing skiffs and sharpies. Our designs mainly feature timber construction, in plywood or cedar strip plank composite construction, using the W.E.S.T. system (wood epoxy saturation technique). Our designs are intended mainly as cruising boats, although several have done well in racing. All designs are suitable for amateur boat builders.

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March / April Issue No. 297  Preview Now

The Skoota 28 is a 28 ft plywood demountable coastal cruising power catamaran for a couple. Ideal for the European canals, the PNW or the Great Loop. It will demount for transport on a flat bed lorry/truck or could even be towed by a large car but should not be considered “trailable”. When disassembled it does not need a “wide load permit” for transport

Design Specifications

Richard Woods of Woods Designs [email protected] www.sailingcatamarans.com

Foss Quay, Millbrook, Torpoint, Cornwall, PL10 1EN, UK

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ECO 55 Power Cat Plans

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Description

Additional information.

The ECO 55 power catamaran is an affordable DIY power catamaran. As the owner proved the boat is a capable coastal cruiser. The inside layout is the same as for the ECO55 sail version but the underwater shape is changed. The cockpit is wider and has a size of 1,45m x 2 m. With the bigger size normal deck chairs can be used. With a cockpit cover two more can sleep on the boat.

Accommodation is simple but practical.

Because of the easily driven hulls the boat will travel at about 12 knots with the a 15 HP outboard engine. But practice showed that a single outboard of 20 HP is more feasible - less noise and lower operating costs.

The boat has a double bunk, but the cockpit is big enough to sleep 2 more persons. The construction and list of materials is similar to the ECO55 sail version . The difference is that you need no rig, rudders or dagger board. With the low weight of about 325 kg including engines the boat can be towed behind a relative small car.

Construction is as always the plywood/glass/Epoxy construction system. The hulls are V-shaped with vertical sides - easy to build by a beginner. For cost estimation see the list of materials below.

• All drawings are CAD drawings
• Wood/epoxy composite for easy construction and low maintenance.
• Sleeps up to four

DELIVERY: 16 Drawings: JPG or DXF files. + Manual: 12 pages description (PDF)

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PERFORMANCE MARINE CRAFT

• Semi-Foiling Power Cat

This is a plywood power cat for a client in Florida who wanted to build his own boat. He was keen to take advantage of Bieker Boats’ foil design experience to get better fuel economy and performance, and also wanted a boat that was distinctively styled.

We started with our little commuter cat  hulls as a template since it has performed so well, and added features suitable to warm weather boating in Florida, like a larger deck, minimal cuddy cabin, forward seating and a permanent hard top for shade and paddle board stowage.

The flip-up main foils combined with the “moustache” foils mounted to the motor drive legs should reduce displacement 40% or so giving faster cruising speed and better stability in a seaway.  The main foils are manually adjustable for trim over ±2 degrees.

Particulars

Construction Details

Primarily 6 and 9mm Okoume BS1088 plywood with West System Epoxy sheathed with E-glass.  The wet deck and hard top are 20mm thick PVC cored carbon composite. Structural reinforcing details in carbon composite.

The  ECO 75  power cat is the big brother of the ECO power cat. Designed along the same lines and with the same philosophy. Easy to build boat by an amateur. Construction is the time proven plywood/glass fiber/Epoxy composite system. Nothing can match this system for weight, costs and easy of construction. Besides this advantages no maintenance will be necessary over many years.

The hulls start with a deep V on the bow and a wide V at the transom. So the boat will be sea worthy. The hulls are designed for medium speed. Speed with a 25 HP engine will be around 25 knots full power and 18 knots at half power. So the boat will be very ECOnomical to run and maintain.

One attractive features is the front cockpit. This is not only a nice place for sun bathing but also a safe place for anchor maneuvers. The front hatch makes it not necessary to walk over the deck in a bad weather situation.

The inside lay out with the enclosed bath room speaks for it self. In hulls have standing height. The height on the bridge deck saloon is  1,20m. Enough for comfortable seating on the settee. The boat is build from 8 and 6mm plywood over stringers. The construction manual describes an easy way for fairing. In the end this is the quickest way to build the boat. The whole boat is covered with fiber glass and painted with PU paint. 

The plans  consists of 20 drawings. The technical drawings are to scale 1 : 1. File format PDF (DXF files available. The 14 pages manual gives a description of the construction of the boat.

Click HERE for sample drawing

The empty weight of about 410 kg is not much for a craft of this size with this lot of accommodation. A bonus of the low weight is that the craft can be trailered behind a modest sized car.

The load capacity is higher as its own weight ( empty weight 410 kg load capacity 480 kg). By placing a double berth transverse at the bow much room is gained for the saloon. Good accommodation is paramount in my view on a houseboat. A big open saloon, a good sized cockpit for socializing also. The saloon and the cockpit are at the same level. The standing headroom is over the whole length of the interior 1,94 m (6 feet, 5 inch).

The bench can be used as an other double berth at night. A fair sized bathroom is an other asset and nice to have.

The cabin sits on the top of the hulls. So the hulls are basically empty. There is sufficient space for water tanks till 200 liter. Brown water tanks from the toilet and pantry. Batteries for electric drive(s): Of course closed cell batteries have to be used.

If a gas cooker is used the bottle can be placed direct underneath the pantry with ventilation openings at the side of the deck house far above the water line. The hulls have 1400 liter volume for floatation, so the craft can not sink.

Construction is the proven and easy to learn wood/glass/Epoxy composite construction system. The design is on 5 bulkheads and wooden stringers. Easy to learn also for a novice in boat building. As mentioned the craft is light. A hull weights around 50 kg when finished. So turning the finished hulls can be if need be done by one person. Building up the bridge deck is the same. The bridge deck is build up from 12 mm plywood. A 12 mm plywood panel weights typical 18,3 kg. So can be handled by one person to. By the way all other plywood used is 6 and 4 mm plywood. Laminated together where need. Example: Keel to chine is build up from two layers of 6mm plywood.

The hulls slide easy and effortless through the water. So not much power is needed to propel the boat. Powering the boat depends where the boat is used. The boat can be powered for instance with small electric trolling motors. Example: One at the bow two at the transom. The will have 150 pound of trust good for about 8 km per hour. This is the speed limit on many channels and recreation resorts.

Or on each transom an outboard with about 20 HP. This would be good for around 20 knots. A bit fast, all the cutlery will jump in the cabinets.

My favorite drive for this craft is the surface piercing drive, with a 15 HP engine. If you search careful the complete drive will cost about US $ 900,00. In this configuration the boat will give you about 12 knots of speed. The engine is a two cylinder four stroke engine, air cooled. But with a foam lined cover the high wining noise of the fan cooling can be diminished by 80 %. So the engine would be not more noisy as two outboard engines.

Surface piercing drives are also known as mud drives. For maneuvering in a port I would add an electric trolling motor at the bows.

The development of new houseboats is almost standing still. So here some new and a bit unconventional ideas to change that.

Maisons 04/20/2015 B. Kohler K-designs France

These plans available at Duckworks

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Plywood Power Catamaran Scantlings

Discussion in ' Boat Design ' started by Paulo , Aug 3, 2016 .

Paulo Junior Member

I am a great fan of plywood and all it is possible to be achieved with it in boatbuilding. When plywood is combined with epoxy, then the sky is the limit. However, when it comes to scantlings for catamarans built with plywood and epoxy I have hit a wall. My question to you is: What is the best scantling rules for catamaran built with plywood and epoxy? I know what many of you are thinking: it would be nice to have specifics about the catamanran to be build. I don’t have a finished project. What I have is a good start: - Offshore Cruising Power Catamaran - LOA: 13.5m - BOA: 6.0m - Draught: 0.85m - Displacement: 7000kg - Diesel inboard on shaft - cruising speed: 15knts - max speed: 20 – 23knts - Hull skin: plywood with epoxy bonding and glass sheathing (plus glass for reenforcement?) - Hull structure: plywood with epoxy bonding - crossbeam spacing: 1050mm - frame spacing: 1050mm (??) Obs.: Longitudinal stiffening can be incorporated into the hull form – hard chine, inverse chine and deck to hull bonding – so that no panel is wider then 750mm, and 1000mm in length.  

Ad Hoc Naval Architect

In the absence of any verifiable rules, your best best would be to make up some samples of what you are proposing. Then test them to establish the strength. Then use software such as LR's SSC rules or similar to establish the pressures that could be expected. Then design the structure based upon the pressures from the SSC rules and knowing your E and I you can arrive at a sensible set of scantlings.  

Rurudyne Senior Member

I seem to recall a recent thread where catamaran scantlings were referenced.  

Ad Hoc, From what you are seing, am I to understand that there is an awful lot of guestimating to be done before I can arrive to any kind of sensible results. (I will look into testing panels and how I can achieve so kind of useable results without testing machinery - to which I don't have access to). I worry how the insurance companies and certifying agencies will view my experimental results . . . I was kind of hoping for a simple table like the good old Lloyds rules, you know? I wonder, if I could approach these panels as composite panels with plywood cores and go from there . . . ? And Rurudyne, I am actually not surprised. I have read a few about this subject and they were about GRP or Aluminium boats. From what I could gather, there is an awful lot of doubt about this subject for those materials as well. Especially because the ISO rules for multihulls is still to be completed - no publication dates in sight!  

Richard Woods Woods Designs

There are lots of successful wooden powercats around. Tennant, Kelsall, Schionning, Hill, Oram, even I have a few. So you could get some plans of those existing designs to help you. Or do it all from first principles as AdHoc suggests. Richard Woods of Woods Designs www.sailingcatamarans.com  

Paulo said: ↑ Rurudyne, I am actually not surprised. I have read a few about this subject and they were about GRP or Aluminium boats. From what I could gather, there is an awful lot of doubt about this subject for those materials as well. Especially because the ISO rules for multihulls is still to be completed - no publication dates in sight! Click to expand...

Paulo said: ↑ Ad Hoc, From what you are seing, am I to understand that there is an awful lot of guestimating to be done before I can arrive to any kind of sensible results. Click to expand...

Richard, thank you for your post. I am aware of your achievements as those of the other designers you mention and I would include Brady as well. I admire your work very much. Preciselly because I do I would like to understand more about plywood construction specifically aplied to catamarans. Rurudyne, I am not sure if you are serious or you are making fun of me. The american sence of humour excapes me. Either way, I thank you for your post. Rules are writen by classification societies around the world, so that rules writen by people like yourself are not required by any kind of boaty people. I am a professional boatbuilder and as such I like to understand the materials I am working with. I build composite power boats and I have a check system to ensure that what is specified in a project is correct and that I am not building any mistakes. AdHoc, I understand what you are saying and I thank you. I don't have access to testing facilities locally, but I get it.  

Paulo said: ↑ I am a professional boatbuilder and as such I like to understand the materials I am working with. I build composite power boats and I have a check system to ensure that what is specified in a project is correct and that I am not building any mistakes. Click to expand...

Richard, I am based in Brazil. I am a Southampton Institute graduate in YMM. (I didn't know it matters this much.)  

TANSL Senior Member

Here many people are obsessed with knowing the title/degree you have to respect you or not.  

Paulo said: ↑ Richard, I am based in Brazil. I am a Southampton Institute graduate in YMM. (I didn't know it matters this much.) Click to expand...

I was in the last ever Yacht Manufacturer and Management Class and graduated in 2001! I always consult the old Lloyds Rules to ensure there are no mistakes built into a new project or to find out what I should have in a repair or rebuild project. Particularly with old style wooden boats. Don't have the same luck with catamarans though, hence the question posted here.  

Paulo said: ↑ Rurudyne, I am not sure if you are serious or you are making fun of me. The american sence of humour excapes me. Either way, I thank you for your post. Rules are writen by classification societies around the world, so that rules writen by people like yourself are not required by any kind of boaty people. I am a professional boatbuilder and as such I like to understand the materials I am working with. I build composite power boats and I have a check system to ensure that what is specified in a project is correct and that I am not building any mistakes. Click to expand...

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bergwerk Junior Member

Richard Woods said: ↑ There are lots of successful wooden powercats around. Tennant, Kelsall, Schionning, Hill, Oram, even I have a few. So you could get some plans of those existing designs to help you. Or do it all from first principles as AdHoc suggests. Richard Woods of Woods Designs www.sailingcatamarans.com Click to expand...

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Lunada Design

Creative boats for home builders, tag archives: plywood power catamarans, largo… an suv for the water.

Fuel Efficient Power Boating For a New Economy

I’m kind of drawn to cars and boats that can solve a host of utility needs, as well as provide a comfortable, transportation experience. I’m about to sell my venerable Toyota Landcruiser and get myself into something that makes a lot more sense when it comes to utility and fuel efficiency. As a result, I began to think of a motorized version of the Gato platform as a Crossover/SUV type of vehicle with a big interior volume aft of the helm station and truly fuel-efficient engines to complete the picture.

The new boat would have a stand-up position for the driver with a sliding, deck-mounted seat that would allow the skipper to sit while steering. There would be a huge deck surface behind the helm for all sorts of seating and/or gear carrying options. The new boat would have a tailgate/liftgate setup for ease of loading. The new design would have a big storage space forward of the helm for the odds and ends that always end-up on a boat. Power for the initial design would be from a pair of four stroke outboard engines for redundancy, as well as beneficial weight distribution.

On a personal level, I am attracted to design concepts that deliver a responsible set of solutions for this new economic reality in which we all live. I like the term, Crossover, which is openly lifted from the automotive industry, as it touches on the realities we will all face in the coming years. We are headed to a time in which our vehicles will need to do more than just give us a sedan in which to cruise around, or a truck to do our dirty jobs.

In the world of cars, the Crossover approach has created vehicles that live in the niche right between the heavier, clunkier, SUV’s and the typical, everyday passenger car. Similarly, with this new design, I was looking to take the slot right between the generously proportioned sport cruisers you see at marinas all over the world and something like a cleanly drawn work boat. I wanted some of the people driven touches of scale and fit/finish, while being able to morph from one working task to another as a truly useful, all-around watercraft.

The result would be my take on what a boat should look like which is much more fuel-efficient and less expensive to build and transport. It would provide a very high degree of utility and, of course, it would need to be wrapped in an aesthetically pleasing package.

The aesthetic, design component is pretty much a subjective thing, but the fuel-efficient aspects are a design process that combines easily driven lightweight hulls, drive systems with high economy for delivered horsepower and a significantly reduced aero drag signature allowing the boat to just slip through the air.

I’m of the opinion that I have reached all the basic design criteria with this new design, The Largo.

Yeah, sure there’s a distinct connection to the Bond films, Thunderball and Never Say Never Again, with the bad guys both being named Largo. Beyond that, Largo is also a direct take on the ’48 Film Noir thriller with Bogey, Bacall and Edward G. Robinson. It is also, the well-known island in the Florida Keys where boating adventures await in every direction and one of my favorite adventure boating events, The Watertribe Everglades Challenge maintains its finish line.

Largo Specifications

LOA 21′ BOA (trailer legal) 8′ 6″ Height 6′ 5″ Displacement 2000 lbs.

Suggested engine package is Twin 9.9 hp four stroke outboards. It may not seem like it from the renderings, but plenty of interior volume has been worked into the design to allow full movement of the engines from side to side

The aft cabin space of the trimmed-down version will have the potential for a huge, manual, slide-back sunroof for a full open-air effect in the main cabin volume, as well as large side openings for breeze and visibility. The side openings can be fitted with removable, semi-structural soft windows for better streamlining and also for inclement weather.

The suggested engine package is based on need. If the owner wants to cruise with high efficiency and still be able to bang out 11-12 knots when he likes, then a pair of Yamaha Hi-Thrust 9.9 hp engines will do the trick. The engine setup can be equipped with remote starting, steering and power engine tilt. They both have pretty healthy alternators to keep any onboard electrics going, so lighting, navigation and radio systems can be easily powered-up.

Cutting edge enthusiasts will ditch the outboards and equip the boat with a bank of batteries under the deck in each hull and a pair of powerful electric motors that drive a set of matched, counter-rotating props. As an alternative to the twin outboards, this boat, so equipped, will silently cruise with a pretty decent range and be able to go to full power instantly whenever the owner wants the buzz of the electric drive potential.

The hulls of the Largo are exactly the same as those of the Gato Especial sailing cat. They are 10-1 in Length to Beam ratio at the waterline and will be very easily driven while still providing a respectable displacement payload. The is a spray chine on the inside and outside of each hull to direct wave action away from the boat while underway, as well as reduce drag on the hull. At cruising speed, a small amount of hull lift is also a side benefit of the spray chines.

The aft end of the hull bottoms is relieved with a slot to allow engine placement forward of the typical transom mounting and to allow the power tilt capability to raise the props well clear of the hull bottom for beaching and trailer loading/unloading. Moving the engines forward adjusts the balance point of the boat forward and helps with handling and pitching moments. It also puts the engines inside of sound deadening boxes, so the overall noise level is reduced while underway. Cruise the harbor on a warm summer evening with soft music playing on the surround sound system and you can really hear the soft music.

Bridgedeck clearance between the hulls is a generous 17″, so wave slap under the main deck will be kept to a minimum. This raises the overall comfort level of the boat, which is especially nice on a longer trip.

The hull volumes below the main deck can also be used for the storage of fuel, batteries, water tanks, anchor, rode, etc. It’s always a good thing to keep the heaviest items on a boat as low as possible to enhance stability and improve ride. The space in front of the main forward bulkhead can be accessed via a large hatch. This is an excellent location for lighter weight storage needs such a sleeping bags, tents, clothing, etc.

A good friend asked if the boat could be equipped with a drop-down front ramp and a walk through windscreen so that the Largo could be driven right up onto the beach to unload through the bow. The answer is Yes… certainly can accommodate that feature with a few changes to the forward structure.

Clearly, the Largo is a boat with a generous latitude of use potential, it draws design cues from a pretty diverse group of sources and sets a new standard for home built power boats with a decided edge towards fuel economy and responsible boating.

Chris Ostlind Lunada Design

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Projects: Constructing a 40ft catamaran with WEST SYSTEM epoxy

Work doesn’t necessarily slow down after retirement, as engineer Martin Ellison proved when he left his teaching post at the age of 59 and set about building his first boat. What started as some prompting from his wife to find a meaningful project evolved into the idea of building a 40ft catamaran. Martin tells epoxycraft how it all came about.

I have always loved being on or near the water and wanted to have a boat of my own. As someone who has renovated a few houses in the past, I wasn’t daunted by the idea of building a wooden boat from a set of plans, although I’m not sure it was the scale of project my wife had in mind!

I chose to build a catamaran because I wanted the space and stability; preferring a power cat, I searched online for some designs and went for the Skoota 36 ( Woods Designs ). This is a relatively simple timber and plywood design sheathed in fibreglass, although I have slightly modified the design to increase the length to 40ft so that I could enlarge the accommodation space in the hulls.

When I began in earnest in September 2014 I didn’t even have a boat shed, so that was the first project. It was ready for action by March 2015 and I have been steadily working on the boat for the past nine months.

I’ve used WEST SYSTEM  epoxy all over… and found its strength and versatility to be ideal.

For the build I’ve used WEST SYSTEM® epoxy all over – jointing, filleting, waterproofing and sheathing and have found its strength and versatility to be ideal for this project.

I’ve mainly used WEST SYSTEM 105 Epoxy Resin® with WEST SYSTEM 205 Fast Hardener® . In addition, I’ve combined the epoxy mix with WEST SYSTEM 403 Microfibres and WEST SYSTEM 409 Microsphere Blend® to ensure all the gaps have been thoroughly filled. When it came to sheathing, I used 300g and 600g Episize™ Biaxial Fabric and 300g woven WEST SYSTEM 787 Aramid Fabric® to provide extra protection below the waterline.

The boat build so far has taken just over 1100 hours. It’s a big boat and there’s a lot of work – mainly woodwork – involved in completing each stage. I’m enjoying it though, it’s very rewarding and most of the build has gone pretty smoothly.

As luck would have it there is another Skoota 36 being built in Canada which is about one year ahead of me and the owner has very kindly shared his build photos, which has been a great help. People say it looks very difficult but in practice it isn’t – it’s simply a case of following the plans and having the confidence to get on with it.

There’s still a bit of a way to go but I’m really looking forward to turning over so we can finalise the internal layout and then getting her in the water and cruising in her.

Our thanks to Martin Ellison for sharing his story. We wish him well and will be following him closely as he completes his build.

If you would like more information about this project you can follow the build on https://my-new-cat.weebly.com

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VESSEL REVIEW | Sinichka – Electric commuter boats designed for Russia’s Moskva River

A series of three new electric monohull commuter ferries have already begun operational sailings on the Moskva River in the Russian capital Moscow.

Built by Russian shipyard Emperium, sister vessels Sinichka , Filka , and Presnya – all named after rivers in Moscow – are being operated by the Moscow Department of Transport and Road Infrastructure Development (Moscow Deptrans). They are the first units of a planned fleet of 20 vessels that will serve the capital city and other nearby communities. The new ferry system will be the water transport system to be operated on the Moskva River in 16 years.

Each vessel has a welded aluminium hull, an LOA of 21 metres, a beam of 6.2 metres, a draught of only 1.4 metres, a displacement of 40 tonnes, and capacity for 80 passengers plus two crewmembers. Seating is available for 42 passengers on each ferry, and the main cabins are also fitted with USB charging ports, wifi connectivity, tables, toilets, and space for bicycles and scooters. The cabin layout can be rearranged to allow the operator to adjust the distances between the seats and to install armrests of varying widths.

An open upper deck is also accessible to passengers and is the only area on each ferry where smoking is allowed.

The ferries are all of modular construction with each ferry’s wheelhouse, main cabin, and other structural elements being built as complete, separate components. This enables the ferries to be easily dismantled for transport to anywhere in Russia by rail and then quickly re-assembled within seven days.

The ferries are also ice-capable. Recently completed operational trials on the Moskva showed that the vessels can also easily navigate under mild winter conditions with broken surface ice, though year-round operations are planned for the entire fleet.

The ferries are each fitted with 500kWh lithium iron phosphate battery packs that supply power to two 134kW motors. This configuration can deliver a maximum speed of 11.8 knots, a cruising speed of just under 10 knots, and a range of 150 kilometres.

Emperium said the transfer of rotation of electric motors to the propeller is carried out by direct drive. As a propulsion installation, a pulling rotary propeller-steering column with double screws is used. The installation of double pulling screws, with similar power, allows an operator to increase the efficiency of the propulsion system to deliver a slightly higher speed or to reduce energy consumption. This arrangement also provides the ferries with enhanced manoeuvrability necessary for navigating in close quarters.

The batteries themselves have projected service lives of 10 to 12 years and are fitted with safety features such as built-in fire extinguishers and gas vents. Quick-disconnect features allow the batteries to be easily removed for replacement or maintenance.

Some of our readers have expressed disquiet at our publication of reviews and articles describing new vessels from Russia. We at Baird Maritime can understand and sympathise with those views. However, despite the behaviour of the country’s leaders, we believe that the maritime world needs to learn of the latest developments in vessel design and construction there.

Click here to read other news stories, features, opinion articles, and vessel reviews as part of this month’s Passenger Vessel Week.

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Tags: Emperium Filka Moscow Moscow Department of Transport and Road Infrastructure Development Moskva River Presnya Russia Sinichka WBW newbuild

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Bear Cat Cuddy

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CATEGORY: Power Catamarans CONSTRUCTION: Sheet plywood/wood framing, or welded aluminum

These longer, wider power cats allow greater displacement, tankage, storage, and load-carrying ability than our WILDCAT design.  Besides the extra room, the wider beam only improves upon the superior qualities of power cats, especially stability.  Based on v-bottom planing hulls, these boats can also absorb higher horsepower motors.  Twin outboards at the higher ratings can provide speed into the 50 MPH range.  Even at the minimum power ratings, planing speeds will range in the mid-to-upper 20's depending on all-up weight.

Construction methods in sheet plywood or welded aluminum use amateur-proven techniques similar to our WILDCAT design, but with beefier scantlings in keeping with the boat's greater heft.   Full-size patterns are provided for all hull-forming backbone members and frame contours - lofting is not required.  Nor are any special or esoteric building techniques.  Instructions with hull material listings cover all aspects of the project, and include a fastening schedule with plywood hulls.

BEAR-CAT CUDDY features a cabin with walk-around side decks and express-type windshield control station.  In the cabin is sitting headroom above the 6'9" x 4' double berth and space for a portable head.

Plywood: FULL SIZE PATTERNS are provided for all hull-forming backbone members and frame contours; no lofting or any special or esoteric building techniques are required. Instructions with hull material listings cover all aspects of the project, and include a fastening schedule.

Aluminum: FULL SIZE PATTERNS are provided for all hull-forming backbone members and frame contours; no lofting or any special or esoteric building techniques are required. Instructions with hull material listings cover all aspects of the project. NOTE: When you buy the cuddy version plans, you also receive a complete set of the Sport version plans as well.

Aluminum Materials PDF Plywood Materials PDF

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