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  1. C

    Lendo

    Building a box spar should be simple if you using a carbon fiber layup. Once you know the exact shape your spar needs to be and how thick your carbon layup needs to be, simply make a spar out of Styrofoam minus the thickness of the carbon fiber layup on all sides. Wrap your carbon fiber around...
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    Motorcycle engines revisited

    What horsepower range? In the 80 to 150 Hp range there are several after market Harley style engines available that don't have intergrall transmissions. S&S, Revtech, Zippers, ect. any of them will produce power and torque at 4600 to 4800 RPM and with a 2.56 to 1 beltdrive PSRU they will swing a...
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    Who has built a helicopter from scratch?

    I have designed and built a gyroplane mostly by studying what was already flying and taking what appeared to be the best of each and applying my own mechanical knowledge to it. its not the fastest but it hauled me around when I weighed 285 and carried enough fuel to fly 350 miles. Should I say...
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    revoutionary new design --only

    Some things sound better than they ever would actually be. I don't believe every man should fly, shoot I don't believe every man (or woman) should be allowed to drive a car. Spacial awareness is nessesary to fly being able to keep track of your speed and the real direction your going rather...
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    Flying wing for high efficiency

    In what little research I have done on flying wing aircraft. all full sized models I am familiar with were extreamly dangerous to fly in adverse conditions. And if I know anything about flying conditions get adverse regularly no matter how careful one is. The modern flying wing jets have...
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    Ski jump hill landing

    There is such a runway at Wright-Patterson AFB in Dayton/Fairborn OH it was designed for jets and is a couple miles long with a very steep hill at one end. I only lived there a few years but have family there. As far as I know it hasn't been used since the seventies. It may have been used for...
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    Cantilevered Wooden Wing Question?

    Not being familiar with the CA-61 wing spar I cant help a lot. if it is a box spar design an internal hardwood box joint, Depending on the thickness of the spar at the center would add six to nine pounds. If it is a solid spar, Like a large plank of spruce, then then a couple thick pieces of...
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    American Eaglet Restoration... Oh boy this sucks

    Two things I need to know, how thick is the case and is the inside surface used in a close clearance for the pump to make pressure. If the second part is negative then simply get a piece of aluminum plate near the same thickness cut the hole out to square the edges and make a slight bevel, bend...
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    Looking for insperation!

    As far as my belt drive PSRUs my designs vary from most in that I don't mount them on just one end of the engine. Therefore the crank needs to have a spine cut in the shaft on the forward end to accommodate a drive pully/sprocket and and aluminum plate set up is bolted to each end of the engine...
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    Looking for insperation!

    Yeh, I forgot he got upset when I misspelled his name forty plus years ago. He was a fount of information though if you took time to listen when he was explaining things. He is easiest to get along with if you get him to telling stories about the old times first. Don't expect him to put...
  11. C

    Hello from Michigan

    Welcome Chase! You need to go to Oshkosh, there are usually some jet folks there. Last time I went there two companies we sporting new small jet engines in development that were touted as being fuel efficient. but I believe they were in the 1200 to 2400 pounds of thrust range. GRIZZ
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    New member jumping off into a whole new world ! !

    Welcome Drifter! As far as wing covering goes there is a place just south of Atlanta GA that sells everything you need except for extra hands, and they conduct many of the Sport Air work shops there, since I am terribly poor with names the name of the place escapes me right now but I have a...
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    Teacher from Arkansas!

    Welcome Jared! It is getting more difficult to build an in expensive plane these days but it is still possible if you go plans built. There may still be a couple cheap kits out there but I haven't seen any recently. My first plane cost me about fifteen hundred to build after I had bought a...
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    Hello everyone!

    Welcome to the forum Andrew. I went to high school in the Greater Dayton Ohio area and spent all my free hours ,when I wasn't in school or working at what was then called the South Dayton Airport. The name has changed a few times since. Good luck with human powered flight by this human is too...
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    Done with reading, time to discuss

    I bought plans for an Osprey II but built something a bit larger although very similar. In his introduction George Pereria talks much about what he went through developing the hull for his plane and getting the step not only in the right place but in the right shape to get the most efficiency...
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    Done with reading, time to discuss

    I am assuming you are planning on a flying hull type as fast goes out the window with pontoons. Designing a hull with a good step feature that will promote fast water taxing and getting off the water fast is very important. Is 100 HP your upper limit or just a basic starting point. I would...
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    Looking for insperation!

    Thanks for the welcome guys! I have been fooling around with aircraft since I was about 14. First long flight in an airplane was a trip to Atomewa Iowa in an old cabin WACO for the antique airshow and fly in. First plane ride was in a Cessna 195. I had waxed, polished, helped do tear downs...
  18. C

    Looking for insperation!

    I am not yet old but I am older, Have been a tinkerer and designer nearly all my life. Have built everything from industrial machinery to aircraft, motorcycles, kit cars, gismos to help handicapped folks, and most anything else that my slightly twisted mind dreams up. Currently I have no shop so...
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    Tell us what you are building!

    Currently I'm not building anything that flys but hope to again if I can get my finances worked out and once again get a shop built. I do have a couple restoration/upgrade projects in a stall pattern. an 85 XJS V-12 Jaguar and a couple Motorcycles one Harley and one Excelsior-Henderson. I...
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