It has holes through the foam sandwich from chains and sprinkles going through it. Discussion in 'Sailboats' started by Marc555, Nov 23, 2023 at 2:12 PM. How to make a remote control boat. . If this is your definition of feasible, then certainly you could DIY a jet. Skeeter’s goal, to build boats that are engineered like no other, permeates everything we do—from our design and manufacturing methods to the courtesy we extend each time you walk into a dealership. My name is Shelldon, I live on the east coast of South Africa (Durban). A hull shell may be 6 mm plywood for a 30 foot sailing catamaran, a lightweight monohull will have 12 mm plywood sides and 15 mm plywood bottom, A low speed 30 foot power catamaran may have a 9 mm plywood hull shell with 12 mm plywood underwing. View attachment 180241. #10. She was located in deep water on November. To me it is outrageous. It is designed with a host of tournament-ready features, including a full onboard bait-prep area, a tackle station, a lockable below-deck rod holder, in-floor fish. If it were seaworthy, and 12-13 meters, it would be the perfect boat for us. Photos related to the Option 1 Design Project: Collaborative design of a power cruiser: trailerable, 300 mile range, economical at cruise & displacement speeds. light weight and fast dinghy. With 189 kWh and an energy consumption of 4 kWh/M I'll get about 47 M as a max range a 21 knots. and this is the gCAD3D code for this BSpline. Discussion in 'Boat Design' started by Paolo DB, Oct 16, 2023. Jet Drives (pumps, impellers, etc. Bait tank water - 376 lbs. 4. The 95 gallon aluminum tank in my boat is 31 years old, painted brown and foamed in. Paying to have it converted doesn't seem to make any sense. The boat will plane readily with one person and minimum gear. 2 layers of 1/4" mahogany on opposite diagonals with an outer layer of 1/2" mahogany, all applied with West System epoxy. 4) Simmons Sea Skiff. Florida is a paradise for anyone looking for unwanted or discarded fiberglass boat hulls. Home Boat Design Forums > Design > Sailboats. The Boat Design Forum Marketplace Forums were created as a dedicated space for wanted- and for-sale posts to keep such threads from overwhelming the main boat design and boatbuilding discussion forums and keep them together and easier to. Press Releases A forum for boat-design, boatbuilder, boat company and marine-related press releases. 2m long. It is 6m long. Can anyone help. The customer hopes to have two toilets on the boat and a fuel tank capacity of 1000-1200L. Boat design and boatbuilding projects, plans, concepts, reviews, and resources. Join in the boat design & boatbuilding. In contrast buildng a UK style canal boat will be a new experience for a US yard. BoatUS Members save 10% off all orders and receive free shipping on orders over $75. We “know” that at 5. Home build boats are also exempt, but you can not sell them on the open market until 5 years after completion and put into use. The centerboard is 11" wide and approximately 2. Discussion in 'Boat Design' started by leggers, Apr 27, 2011. Your circumstances or experience may be different. - Must have: Hull, Mast, Ballast, and Sail. the glass needs a minimum 2" overlap. Enjoy friendly conversation with other forum members and boaters on marine-related topics, boats, and boating in general. Posts: 509. The boat design forum appears to be a one-stop-shop for interested boat builders and architects, with everything from basic building advice to complex details. Boat Design Net does not necessarily endorse nor share the view of each individual post. Discussion in 'Boat Design' started by oldstyle, Aug 18, 2008. While a Grand Banks 36' or 42' is reasonably well built and they used to hold value fairly well, in the current market there are too many for sale. Due to our garage and storage limitations it has to be under 18' loa and under 7' max beam. The boat structure is all about detail. - RS class for composite ships. Joined: Sep 2019 Posts: 2,936 Likes: 1,495, Points: 113 Location: Vancouver bc DogCavalry. Page 1 of 2 1 2 Next > Joined: Jan 2009 Posts: 49 Likes: 2, Points: 8, Legacy Rep: 20 Location: BC, Canada Deadeye Bender of Nails. Due to its special shape, only a small opening is needed in the bottom of the boat. Joined: Apr 2010 Posts: 3 Likes: 0, Points: 0, Legacy Rep: 10 Location: Anchorage, AK Full. Discuss multi-hull sailboat design, production and custom sailing catamarans and trimarans. Page 4 of 367 < Prev 1. The September 2013 issue of Westlawn Institute's free journal The Masthead is posted. Home Boat Design Forums > Design > Propulsion > Diesel Engines. Your circumstances or experience may be different. Location: Alaska. Shown here is a folding centerboard used on boats up to 13. Diesel Engines. It has a single 6-cyl diesel engine for power. Discuss boat design concepts, projects, plans, reviews, resources, and general design topics. Discuss marine design software: hull design, fairing, modeling, rendering, and CNC. Bring a bucket, some rags, and a gallon of bleach. Am I right in thinking the relationship between engine rpm and boat speed so long as the gearbox is good should remain fairly constant. 2 applications are developed, one VE for « V ». Then sand with 320 or higher number to make it smoother and then paint it. gonzo, Apr 9, 2003. net. The goal is to design a 45 to 48 foot by 12 foot widebeam to simplicity and somewhat low cost. 3. A meranti Aquatek sheet, which is built to the much better BS-6566 standard is about $50, although it's not as commonly available. The sides can be 1/8 inch. PART ONE: The Decision. Hokule`a was launched on March 8, 1975 at Kualoa on the windward side of O`ahu. Use inboard diesel. It. boat propeller, aircraft propeller, blowers, fans etc. Separate the top and bottom semicircles by 5 mm thick 800 mm wide plates either side. Mercruiser (Alpha One, Alpha One Generation II, Alpha SS, Bravo One, Bravo Two, Bravo Three, Bravo XR Sportmaster, TRS, Speed Master), IMCO, ILMOR, Konrad, OMC,. Joined: Aug 2008 Posts: 4 Likes: 0, Points: 0, Legacy Rep: 10 Location: Victoria BC oldstyle New Member. I generally use wood flour. 60. 4 (ish) it will be struggling to get out of the hole and likely will be misbehaving in the steering department. My Gallery : Member Album by TANSL | Boat Design Net. rangebowdrie, Nov 11, 2022. 4. Yes, you could use Solidworks, although it is not the most suitable tool, to draw the scantlings planes, but nothing else. Designs / Plans. A forum to discuss and share tips and project updates on fiberglass boat building and repair as well as mold construction and tooling. Discussion in 'Boat Design' started by Taylor Waters, Aug 23, 2023. Autoship: Best for Naval & Marine Architecture, Best for Windows. Why? Build slots are going fast for the rarified Donzi 64-24 Limited Edition. The F3LS (red) has a sharp v at the transom and a slightly more "aggressive" entry than the 255. Hi 65chill, Welcome aboard boatdesign. This thread is to discuss thermoplastic boat construction. Home Boat Design Forums > Collaboration > Projects & Proposals. § 175. One is the lowest drag hull for 75kg person and power level of 150W designed for 12kph. Joined: Aug 2023 Posts: 3 Likes: 0, Points: 1 Location: Georgia Taylor Waters New Member. 706. Chapelle measured many sharpies when researching for his books, and the successful sharpie hulls tended to fall into similar proportions. Big Updates: Dark Mode, Web App (PWA. Sonorous Font. Total Ama volume is 2429 liters (2,429m3) each. Floatation – a principle that occurs when a floating object displaces a weight of fluid equal its own weight. want it to be pretty quick even in light breezes and open to any suggestions. Fishing boat wrap: 10 to 100 yards. za) The idea behind it is that it would be reasonably light, at least lighter than the kinds of angling boats currently used. (You must log in or sign up to post here. Hello boatdesign community. The Forum is a free service, and much like the "free" content on Public Radio, we hope you will support WoodenBoat by subscribing to this fabulous magazine. Paying to have it converted doesn't seem to make any sense. I am new to this forum and have a work in progress project. 5 oz csm would weigh 22. When you release the rubber band, the paddle spins, pushing on the water, or exerting a force. I recently bought a little project boat for my son to do some bass fishing. Tags RC boat cigarette・3D print object to download・. Comments: 91. - RS class for composite ships. The marina I built my boat in made good money renting out space to unrealistic dreamers like me, who wanted to make their own boats. For buildings the requirements vary by state and local government. Hi Everyone. Basically, any kind of propeller blade (e. Discussion in 'Boat Design' started by lumberjack_jeff, Oct 31, 2010. To me it is outrageous. Pick another point on the first line and repeat. It weighs 59kg including a glass clad bottom and a lot of saturation epoxy and paint. Can anyone send the scans in list or out of list or sell me the. She is Australia's largest light cat—she weighs only about 3,500 pounds—and carries a 65-foot mast with 1,200 square feet of sail. 8 kWh Propulsion Torqeedo twin cruise with 4 Batteries 4 x 26-104 (lithium) which will provide a range 60km@5km/h - 12 hours. The sharp v at the transom was used on all Formula bottoms. Thoughts on maybe doing the V in 4mm ply ,2 layers. for sailing. Boat building is a good way to make a small fortune. Sailboat, multihull, powerboat, and yacht manufacturers and custom builders. It's about 3000sq. On the Eclipse it formed the side of the dry hanging locker for shore clothes. This is done by rolling 5 mm sheets into a half semicircle with a 535 mm radius. 0% Kainer 0 vote(s) 0. The bow will require one more knot before it. - Width: 8. Boat Info. Free Propeller Design Software. If two centerboards are chosen, the total surface area must be the same as a single one. Home Boat Design Forums > Design > Propulsion > Outboards. Directory of yacht designers and naval architects, gallery of design work, and active boat design and boat building discussion forums. Ron, It all depends on the thickness of the plate and the dimensions between frames. Folks due to my past work commitments I was never able to put my dream of building a wooden/plywood. I suggest you seek out the books by Kotaru Horiuchi that describe his career in boat design as most of the boats covered were designed while he was working as an in house designer for Yamaha. Home Boat Design Forums > Design > Boat Design > free plans for simple model. The engine could be mounted at either wheel, so it could run the belt from the bow. Last edited: Jul 2, 2022. For a trailerable houseboat, I’d be looking for a tri hull of maybe 24’ to build out. I'm not sure a 3-d printed PVA or "reinforced plastic" prop will have sufficient strength; especially if "higher pitched". Divide 9 to get to yards. Discuss multi-hull sailboat design, production and custom sailing catamarans and trimarans. Figure the fiberglass or waterproofing layer is the same. Props Building steel canal boats, both narrow and wide, is a very competitive business in the UK with many builders who only build canal boats. Discussion in 'Boat Design' started by Stephen Ditmore, Mar 30, 2010. Discussion in 'Boat Design' started by CharlieDanger99, Dec 17, 2021. Message Boards for Laser/ILCA, Sunfish, J/24. Please contact me at cacciatore. - Panels below water line are laminated and faired on the flat before assembly. Total hull volume (excluding superstructure and cockpit, which will somewhat cancel each other out) is about 21,5m3. In order to fiberglass, I understand I needed to round off the keels and filleting the inside corners. My quotes are for aluminum hull and superstructure. Boat design and boatbuilding projects, plans, concepts, reviews, and resources. An open forum to generate ideas for collaborative design projects. Mabanglo/EPA. Media Items: 3,695. Discussion in 'Wooden Boat Building and Restoration' started by Baldur, Jul 28, 2005. Page 1 of 2 1 2 Next > Joined: Jun 2005 Posts: 87 Likes: 1, Points: 0, Legacy Rep: 17 Location: USAAlik Senior Member. 8' WOLF Foiling Trimaran View shows sliding seats that allow the single crew to move outboard 1. ? What Boat is this? Chris craft 0 vote(s) 0. Home Boat Design Forums > Community > All Things Boats & Boating > Bathtub Race Anyone? Discussion in 'All Things Boats & Boating' started by DogCavalry, Nov 4, 2021. For $325 bucks; you'd get a complete set of plans and it is spec'd in ply, but buildable in foam. When filling, this hose will fill up completely before the fuel goes into the tank and will not allow for venting through the filler. Sailboat, multihull, powerboat, and yacht manufacturers and custom builders. Other than filling some gaps (less than 1mm) the hull is terrific in clear epoxy -like jewelry. Barry, Aug 30, 2023. If only some areas have fairing compound applied to them, they will be harder than the surrounding bare plywood. A forum community dedicated to Sailing, boating, cruising, racing & chartering. For a more easy to use I suggest using Fusion 360, also free. Would consider gifting all, in exchange for shipping costs. The Cruisers Forum is one of the most popular sailing forums on the internet. My name is Shelldon, I live on the east coast of South Africa (Durban). Keep working on this you may even come up with a competitive design. Materials are still available and overall cost to build and outfit seems to be about 3X-5X a used Searunner ($50-75K). Providing boat Plans & memories Since 1953. It has always been my dream to build a boat/yacht of some sort and do a little coastal day sailing and I have been scouring the. Discuss marine engines, drives, and propulsion systems. (measured from tip to transom) with the double stepped hull. One thing that Montery boats have, which is a plus, is that the engine is easily accesible. SketchUp: Best Boat Design App for iPad. Mark This Forum Read View Parent. to sail in the protected brakish waters in Florida. At present, the Robalo boat sizes range from 16 – 36 feet, and the pricing starts from around $16,000 for an older, smaller model all the way up to over $500,000 for a new Robalo R360 with all the bells and whistles. In one of the threads here you find the formula of 1 sqmeter kite = to 2 HP on engine in best case scenario or 1. 2 applications are developed, one VE for « V » shape. 2. Propeller selection, performance comparison, prediction, experience, and modification. 4. TSD Joshua Junior Member. The idea is to create floating reinforced concrete boxes, each 12m x 12m x 3m (40ft x 40ft x 10ft), and connect them as a grid to allow long-term living. Boat Design Net does not necessarily endorse nor share the view of each individual post. (330) 792-1037. Hello, everyone I am planning to build a solar catamaran. 4#. As an aside, airplane engines make great airboat engines because they produce lotsa torque at low rpms, like a diesel engine, but are still lightweight. net) is a web site designed to allow users to interact with eachother in the form of boat design and boatbuilding forums and galleries in which messages, images, photographs, and drawing files can be exchanged and posted for comment. Lightweight, and they like to run at very high RPM in order to produce their rated power. Sterndrives Stern drive lower and upper units, transom and gimbal assemblies, steering, and trim pumps. DELFTship: Intuitive Free Boat Design Tool with Professional Option. Discussion in 'Powerboats' started by silentneko, Nov 20, 2023 at 3:48 PM. Dolfiman Senior Member. 20 cubic meters. Not too many requirements but here they are. 75 ounces per square yard. This sampan can be found from river to sea coast, they can be small to big with engine, can load alot of cargo and punishment. Gonzo. net). Page 1 of 2 1 2 Next > Joined: Oct 2010 Posts: 101 Likes: 12, Points: 0, Legacy Rep: 99 Location: Washington State lumberjack_jeff Sawdust sweeper. Then sand with 320 or higher number to make it smoother and then paint it and afterwards polish it. A yacht also makes waves as it pushes the water around and under the hull from the bow (front) to the stern (back) of the boat. Please be polite to all members. When making potentially dangerous or financial decisions, always employ and consult appropriate professionals. So your proposed three sections boat is 24ft long and 5. Discussion in 'All Things Boats & Boating' started by Michael333m, Sep 28, 2023. They have been building boats close to 100 years and their construction methods are well proven in the industry. Design the electronics. Joined: Jul 2021 Posts: 2 Likes: 0, Points: 1 Location: Tampa BigBull New Member. Page 3 of 82 < Prev 1. Complete boxed K&E ships curves. I am currently trying to identify a boat. Look for "Locus of a Boat Designer" volumes 1 and 2,but be warned that volume 1 is only published in Japanese. #14. 9K. This is just about the same when drawing to scale on paper. It was formed over a foam plug with round chine and is 7. Discussion in 'Boat Design' started by Patrick Dwyer, Sep 2, 2022. so okume and corecell are about 20#, or 125# sheathing for 10x20 roof. How To Make a Fast RC Boat. 1. Discussion in 'Boat Design' started by livinlife, Jan 10, 2010. BoatUS Boat Graphics and Lettering has been supplying quality, custom decals and lettering for over 30 years. When making potentially dangerous or financial decisions, always employ and consult appropriate professionals. Page 1 of 3 1 2 3 Next > Joined: Jul 2016 Posts: 23 Likes: 1, Points: 3, Legacy Rep: 10 Location: Caramoan, Camarines Sur, PhilippinesOnly exempt boats were those under 2. Page 5 of 367 < Prev 1. The chine widths of the boat is one meter at the widest point. NZ news: Dual Tokyo Olympics rowing medallist Kerri Williams back for Paris 2024 campaign. Joined: May 2007 Posts: 181 Likes: 6, Points: 18, Legacy Rep: 44 Location: Queensland PsiPhi Newbie. I’m not completely taken however, and I would love to give it a bit more of a. The Forum is a free service, and. Discussion in 'Boat Design' started by Nic Mulligan, Jun 27, 2022. I am seeking a boat designer/marine architect to assist me with designing a downeast style 19' center console. My favourite little boat so far has been my supernova trimaran it's a bit like a weta about 15ft long with a 12ft beam and low buoyancy floats the thing sails like a super fine dinghy with really good light air performance and due to the beam design you have a comfy cockpit to stick your legs in I could imagine going long distances in this boat. I would require CAD solid models of the. My plan is to overlay the sides with mahogany, maybe 2 layers cold molded then build the top deck and aft from plywood overlaid with mahogany veneer etc etc. 3 m, B:4m, H:2. That's why the foil is not located at the bottom of the rudder. Boat Design Net does not necessarily endorse nor share the view of each individual post. Home Boat Design Forums > Design > Sailboats > Jeanneau Structure. Home Boat Design Forums > Construction > Boatbuilding > New boater! New boat! Need help! Discussion in 'Boatbuilding' started by Dubbies, Jul 29, 2023. Plenty of folding kayaks and inflatable boats use it. Back in the day, they caught maybe an average of 2, 15 pounds fish per passenger x 50 passengers (a conservative guess from the 1960s). The expected number of boats to be buildt is 10. Keep the structure light if you’re going to move it about, or you’ll pay a penalty in speed and fuel. ) From all that I've read, if going with epoxy, the addition of CSM to the layup schedule does not add strength, only thickness. This is almost the same as Jacques Mertens Cat22. Prefer the hardtop for access and solar. Posts on the forums must be family-friendly and work-safe, suitable to be read at work, at home around family, or at school. I know that some builders use. Free 3D Boat models available for download. It is a natural phenomenon which stems from the principle of minimum energy (of the closed system "water-boat"). 2-stroke and 4-stroke outboard motors. Fusion 360 is however not capable of hydrostatic. Forum posts represent the experience, opinion, and view of individual users. Media Items: 38. Based on our requirements listed above, here are the top five sailing forums online today. 3) Design & install the onboard controls. 2840 +/- all up. If you and the whole boat weigh 170 pounds, then you will need 4,700 cubic inches of displacement to hold up your weight. messabout, Aug 23, 2023. That is to say, it is rectangular in cross section. 2. At the moment we have a small motorboat type bimmini and ali frame. This forms the top and bottom of the tube. To convert this coordinates to a linesplan there are different methods, one would be to draw the lines from the table with the. Since the paddle pushes on the water, the water also pushes back on the paddle, pushing the boat forward (this is called Newton's. The design is simple and proven (designed for backyard builders). Page 1 of 11 1. The ultimate collector's item, only an exclusive few will own the latest version of a boat that has defined "high performance" for more than six decades. Joined: May 2015 Posts: 9 Likes: 2, Points: 3, Legacy Rep: 10 Location: MI mini gt Junior Member. I really like the concept of Dudley Dix’s sport boat style with a ‘retro’ twist for his Retro 29. We boat the boat for $300 bucks. . Forum posts represent the experience, opinion, and view of individual users. To convert this coordinates to a linesplan there are different methods, one would be to draw the lines from the table with the. ) Discuss multi-hull sailboat design, production and custom sailing catamarans and trimarans. But, airplane engines are expensive and expensive to repair, and use expensive fuel. Having established that a good starting prop is an APC 16"x16" model plane prop geared at 6-1 my fave plan is to try flexible stainless wire rope drive (7x19), about 1. We have a 43' Jeanneau with wet plywood core in 2 floors over the aft half of the keel. HiForum posts represent the experience, opinion, and view of individual users. For a 10x20 roof, 340 pounds sheathing. Thats why barges are such nice liveaboards. 9 pounds epoxy. 13 = an S/D of just 3. . It’s suitable for logos, headlines, flyers, branding materials, and more. * Bolts onto the floor. Most popular rc boat 3D Models. You could haul your boat out on dry land and the inverter will still work without any connection to "Earth" or water. When filling, this hose will fill up completely before the fuel goes into the tank and will not allow for venting through the filler. Builder's Power Boats. Page 1 of 25 1. If this is your first visit, be sure to check out the FAQ by clicking the link above. Home Boat Design Forums > Design > Stability. Home Boat Design Forums > Design > Boat Design > Design help needed. Linssen Yachts / Don Shead selected for July Design. ft on the upper level. And when I sand, it will be impossible to make the surface fair, because plywood will wear down faster than epoxy fairing compound. add to list. (a) Except as in paragraph (b) of this section, this subchapter applies to each vessel of less than 100 gross tons that carries 150 or less passengers, or has overnight accommodations for 49 or less passengers, and that—. M. What the above physical explanation tells you is that a boat will want to broach even in non-breaking waves. Displ to Dwl: 2,590 lbs. if i was a designer, id want to see my designs floating, rather than charging outrageous sums. It's similar to the wood cored composite canoes you are familiar with, only with foam instead of wood and thicker skins. Page 1 of 2 1 2 Next > Joined: Jul 2023 Posts: 15 Likes: 1, Points: 3 Location: Winnipeg, MB Dubbies Junior Member. Now let's look at it. Thanks for beginning this thread. Home Boat Design Forums > Design > Boat Design > Compression Post Design. Home Boat Design Forums > Construction > Boatbuilding >. located southern california. We have a lot of experience living aboard, and everything is easier living , building, outfitting and remodeling when your boat is a boxy design. So, let's take a small boat that needs 10 sheets of 1/4" plywood. Jim Antrim / Antrim Associates selected for November Design Award. Discussion in 'Boat Design' started by Thule, May 4, 2023. Canada news: Kamal Elboghdadi: A master of the oars. Keel extension aims at countering sideslip. EPDM is another synthetic rubber but usually not available with enough reinforcement for boat use. Home Boat Design Forums > Design > Stability. Only considering the price of the boat, the cost for electricity. Home Boat Design Forums > Design > Boat Design > Design 077. Propulsion (link) Surface Drives, Jet Drives, Outboards, Sterndrives, Pod Drives, Inboards Home Boat Design Forums > Construction > Boatbuilding >. Home Boat Design Forums > Construction > Materials > Styrofoam. The burning problem is avoided by going slowly and doing cuts a little at a time, letting the tool cool down. One Design Sailing Community - Discuss sailboat racing, rigging, repair, rules, measuring, and class politics. Discussion in 'Boat Design' started by Lionellong, Sep 25, 2023. I think that for me a cat is the answer to a decent cabin while being stable and fast. Maybe helping hobbyists make boats in your yard would be more. When making potentially dangerous or financial decisions, always employ and consult appropriate professionals. Example: You need to design a framing system to satisfy load x. Joined: Oct 2023 Posts: 3 Likes: 0, Points: 1 Location: Turkey M4R1N New Member. Talk about your other boats, cars, toys, etc. It was used was a prop on the ceiling of a restaurant that didnt survive covid. That motor should drive a "2. Discuss boat design concepts, projects, plans, reviews, resources, and general design topics. 2 KB. and you can compare them to your sail area or HP -. Engines. The z-value is the height of the deck above the baseline (the hull is flipped upside down). ) for any application can be created with it. Buoyancy – an upward force exerted by fluid on an object. 4 m inflatable zodiac tender" much more than "3 to 4 knots". Home Boat Design Forums > Design > Sailboats. It gives knowledge about boat designing in a very sophisticated way. Hi,Home Boat Design Forums > Design > Boat Design > Catboats. Page 1 of 2 1 2 Next > Joined: Jun 2011 Posts: 16 Likes: 2, Points: 0, Legacy Rep: 36 Location: UAE Zane Junior Member. Discuss schools and programs of Naval Architecture and Yacht Design and entry paths into a boat design career. A family-owned company located in Decatur, Indiana, Thunderbird Products produces the world-renowned lines of Formula Boats. Let's say your boat is a bit boxy. In many situations plans for houses, structures such as bridges, dams, boats, ships, etc need to signed or stamped by a licensed engineer and/or architect either prior to start of construction, or prior to occupancy/being placed into service. As a condition to and in consideration of receiving and accessing Boat Design Net (boatdesign. Welcome! When you register for the free version of Delftship you get access to their model database which contains 3 tug models. So I have started on a 1/10 scale model of a 22ft planing cat plug which I will later use to build a mold and later a boat out of. Later Ankon Engineering commissioned their own designs by Dix called the Ankon 38 & 40 that was in fact a larger version of the "Pratique 35" and was built as a round bilge steel hull. DELFTship: Intuitive Free Boat Design Tool with Professional Option. Your circumstances or experience may be different. Home Boat Design Forums > Design > Boat Design > Houseboat design. Now you effectively have a 50 ft long oval tube. Discuss monohull sailboat design, production and custom monohull sailboats.