Ohio-based Zyvex Technologies just unveiled the Piranha – a next-gen unmanned boat that is 75% lighter, 40% stronger, and 400% more fuel efficient than similarly-sized aluminum boats. Please note that gratuitous links to your site are viewed as spam and may result in removed comments. If it's not you, and it's not public domain, then posting plans is a violation of copyright. Location: New York That plan is one from the Smithsonian's collection of plans, maintained by the History of Technology Division of the National Museum of American History.
Location: Sweden I can agree with marshmat and Robert but I have two questions regarding this.
Are designers today exposed to the same problem as the "problem of illegal downloading" as the music or film industry?
Location: Cathlamet, WA Where is the proof that Chapelle got permission to draw those lines etc. Originally Posted by Gilbert Where is the proof that Chapelle got permission to draw those lines etc.
If it?s of interest to you read the notes that go with the source material for the drawings. Location: Eustis, FL Having met and discussed boat design at length with the very man that drew those plans I can assure you he didn't sneak around, pulling lines from vessels, by flashlight probably, in the middle of the night. His process was quite simple, to preserve the lines of types that would soon become extinct (his assumption, usually quite accurately so). I met him at the end of his life, when he wished he had more time to catalog the craft he felt he missed, but was no longer the man able to perform this task.
Buy the plans Boreas, they're very inexpensive and he'd loved the idea they were doing what he hoped it would, spark interest in a type long gone. I said, ?He didn?t get permission but instead he snuck around in the middle of a moonless night and stole them.? and I thought it was extreme enough that nobody would take it seriously. Location: Cathlamet, WA The point I tried to make was that Chapelle likely had no permission from the designer or the builder to make those drawings in most cases.
Originally Posted by Gilbert The point I tried to make was that Chapelle likely had no permission from the designer or the builder to make those drawings in most cases. Location: Trondheim, NORWAY It's a complicated question with no simple answers. If the design office is still in business or the boat is still in production, you have to ask. When making potentially dangerous or financial decisions, always employ and consult appropriate professionals. What sets this motor yacht apart from the rest is its deep V-hull, characterized by its revolutionary weight-saving design.
Porsche Design Studio uses innovative materials to create elegant interiors, which can be customized by F68 owners.
Indonesia represents the largest archipelago in the world with 13,466 enchanting islands of all sizes and shapes adorned by fabulous white-sand beaches and warm waters to dip your feet into. Comment by sailho on Von'Widmann Designs… of our latest sea trials on the motor yacht Mystique, this was a total redesign project of the entire system. Comment by john on Yacht Charter aboard the Luxury BELLE AIMEE in BurmaIts been my all time dream to sail in Burma, whether on a yacht charter or a private boat, but a holiday on this superyacht in this location would be beyond my wildest dreams i think! Comment by Relevance on Worth Avenue YachtsExcellent yacht brokerage firm by all accounts for both sales and charter. LiveYachting is a wiki type website where superyacht professionals, enthusiasts and businesses share information about luxury yachts. Boat Graphics and Lettering - BoatUS is great image for your collection and this design is free to use with high definitions resolution.
Copyright © 2014 Tattoo Design Bild, All trademarks are the property of the respective trademark owners. Location: south carolina building an aluma jet after 2 years i finally finished my jet boat project. Well, as far as mine, I started on it in February of 2005, and by July of '05, it was on the water an operational.
Unfortunately, this was metal-to-metal wear, and the flats of the shaft would wear out after about 100 hours, on average.
The levers themselves were originally made out of aluminum flat bar, with the ends radiused.
The way I did my throttle cable was to buy the cable conduit like that used on motorcycle control cables. I also had to make my own cable brackets, for holding the throttle, steering, and reverse cables securely. Tangram 3DS, a firm specializing in visualization and computer animation, announced its collaboration with Schopfer Yachts, LLC.
To achieve this goal, Kevin Schopfer, president of Schopfer Yachts, chose Tangram 3DS for their proven strategic process, technical capabilities, and award-winning architectural visualization.
Animating both interior and exterior views of Oculus, Tangram walks the viewer through the details of the design concept. For Tangram, the key to their successful solutions is to build upon the extraordinary designs and concepts of their clients to bring projects to life through animation and visualization.

Location: canada aircraft propeller on hydrofoil boat I am trying to design a 13 foot hydrofoil and because I want the thing to be beachable I plan to make the foils retractable and to use an airboat propeller. I understand that HD 4 managed to reach 61.5 kts with air propellers and I have not read yet that these were a problem. Location: Lakeland Fl USA It is going to be noisy and will make you the object of scorn with the general population.
My hydrofoil features a main hull approximately 4 m x 1 m and two small outriggers designed to provide stalibilty. Location: Northern Illinois What is the proposed diameter of the propeller, and what are the expected engine rpm's at cruise power and max power? Location: canada I could keep the prop rpm to 3200 (half the max design speed of my engine). My rule of thumb is you get 5lbs of thrust from one HP in a std air prop, with about 7 as theoretical Max. 20 Lbs of thrust , 25lbs with a good (usually 3rd try!) prop, with about 30 as max, pushing on water.
So if you need 300lbs of push a 15 hp engine and a wet prop vs a 60+ hp engine and air prop is the trade off.400% more fuel, same speed. Yes, those 12 ft boats in Fl with a 350ci Chevy do go great , but at 10-15 gph , its not a cheap hobby to flatten grass. Originally Posted by haybayian I want the thing to be beachable You live in Canada, build a hovercraft and use it year round.
Location: Lakeland Fl USA Sounds like you have glommed on to a Miata engine. If you plan to turn a 60" prop at 3200 the tip speed will be way up in the stratosphere.
Hey Fast Fred: Living around Ortona you have probably been shaken out of bed more than one time by the grass flatteners. Location: Lakeland Fl USA One source of information about water props is the propellor book by Dave Gerr. Guest625101138 Previous Member   There is a simple little prop design program that runs in explorer using Java applets. I have attached a couple of the screen dumps of results using the parameters you have already listed.
The applet can also be used to look at a water prop by changing the parameters in the options page. If you are playing around with props this is about the easiest you will find that gives valid results. To get the results shown I selected the MH foils that have Re# of 500,000 using the thickest on the inside and the thinnest of 9.8% at the tip with the 13% in the middle. Guest625101138 View Public Profile View Guest625101138's Gallery Find all posts by Guest625101138 Page 1 of 2 1 2 > « Lif Ring - Horseshoe or Round?
The second in a three-part series in which we take a used aluminum boat and be sitting very high and would be put to the test when driving the boat. The 54-foot vessel features a high-tech carbon fiber shell that harnesses nanotechnology to yield unparalleled gains in efficiency and performance, and it recently completed its testing off of Puget Sound. Zyvex infused the carbon fiber material with carbon nano tubes to create an extremely strong yet light shipbuilding material. They sell copies at a very reasonable price and it would be both safer and more polite to buy a set instead of using a photocopy. Is a copyright valid forever, or is it like the music buisness, something like 50 years after the rightholders death. What aould be the legal consequece if you build a boat after someones drawings without paying a royalty? It contains the known background and written interviews with the owner and other interested parties. He was a unique work of art, a true artist, historian, fine draftsman, builder and yacht designer.
We designed our Stringer system design based on the before and after results both the Capt. After having that fail twice, I went with a spartan jaw coupler, the one used on the Kawasaki 750 jet skis. I used jam nuts and washers to control the amount of friction required to operate the levers. As well as designing a weedless grate system, using some stainless flat bar, and another push-pull teleflex cable, with a specially designed watertight housing where the cable goes into the intake scoop. As a company dedicated to the pursuit of advanced yacht design and technology, Schopfer Yachts wanted to make a statement in the global yachting community with its first design concept; the 250-foot vessel, Oculus. Designed to accommodate 12 guests in extraordinary comfort and style, Oculus is a long distance cruising yacht. To be able to visualize a design project in 3D and through animation, allows potential buyers or stakeholders in a project to envision the final result, said Stefan Vittori, president and founder of Tangram 3DS. Another reason to use an air propeller as opposed to a water one is the relative simplicity of the transmission from engine to prop in the case of an aircraft propeller.
I think there is no copyright on plans held by the Smithsonian but I think the book you copied from does have a copyright held by W.W.

Is it legal to create and build a "replica" built on limited information like a line drawing found on internet? In fact there is a published book that details how to document historic boats and what paperwork needs to be prepared and also covers the necessary permissions.
It was also his hope, that his drawings (generally, not a complete plan set, but enough for an experienced builder or designer, needing reference material) would continue to foster recreations, evolutions of the type, restorations and reproductions.
He took liberties, at times, a lot of heat over the USS Constellation (he was right after all, long before anyone would admit it publicly) was an opinionated, stubborn and grouchy individual, but I loved him, just because he wouldn't conform, if for no other reason (it was the late 60's and non-conformity was a thing for me at the time).
People that work hard to document old designs before they vanish are normally paid by museums.
Here you can find some new design about Boat Graphics and Lettering - BoatUS for your current screen resolution. Then, I took some small brass round rod, drilled and tapped it for setscrews, and then a cross drill for the cable to fit through.
By shutting off the engine, then, pushing down on a handle lever, I can drop the intake grate, allowing it to clear off any weeds.
Although they are still in the process of editing the footage right now, I'm fairly certain this boat will be seen on TV, as it was hauling members of the camera crew.
Collaborating back and forth, Tangram was able to bring those sketches to life, through design studies, renderings, and finally animation.
The exterior styling is representative of the jaw and eye socket bone structure of large oceanic fish and mammals.
And in this situation, Kevin needed to deliver an amazing and captivating design concept that would set the tone for the start of what we hope will be a successful venture.
I claim that a new set of cams will not only cost about as much the 600$ prop but you will be shooting yourself in the foot with that engine mod. I would like to understand the huge discrepancy between air props and water props efficiency.
This work is usually paid for by a grant from someone and the paperwork to document both the boat and the use of the money is beyond belief. He thought I was a brash young pup, that needed a good *** whipping, though he liked my sailing skills, particularly against the blue bloods. So it make sense to buy plans from the museum, even if it's just for the wall in your workshop. You can download this as nice desktop wallpaper by right click and save as into your computer.
Sand and mud or muck bottoms will destroy all COMMON built jet drives and possibly you if you eject in a turn with a channel marker pole in front of you. A mini scatter shield is a very good idea for the rare times they let go completly because no one saw the first of the 3 links opening. I used the existing design of the Sea Doo Jet Boat's weedless system as a model for my design. Highlighting the yachts design details and extraordinary comfort and style, Tangram created an animation that is a showcase for Schopfers first design concept for the yachting community. The interior features of Oculus focus on a 12-foot high ceiling in the main salon, a cylindrical double height dining room, and a central stairway. 45 to 60 " or smaller if I can find one that will deliver at least 300 lbs of thrust). This is what Mazda Corp did on their sporty models, granted they also upgraded the injectors and the ECU.
Attendees will evaluate the Piranha for uses such as fighting piracy and oceanographic surveying. Don't miss to check all from this kind of lovely popular desktop background by viewing the similar high definition wallpapers design below. I am not sold to one system or another but I would like to get the whole picture or most of it. I might also add that some things aren?t copyrighted and old boats aren?t likely to have been copyrighted at all.
Drag for an aircraft prop moving at less than 40 kts, even with a shroud around it is not significant. To achieve my goal (to have a fully retractable undercarriage) if I wanted a water prop I would have to make a rather complicated and vulnerable gear or hydraulic system. Much educated modification will be needed for the whole induction system not just the cams.
Is it possible that the airboat type fix pitch propeller would be less efficient than the water prop in the take off phase and then once cruising the water prop would become less efficient. Anyways, my point is not to challenge your views but to understand these things and make the right decision.

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