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  1. C

    Cantilevered Wooden Wing Question?

    I have plans for the Spacewalker 1 and 2 and the Cvjetkovic CA-61. My question is structural I hope this is the right forum rather than the wood forum. My shop will not accept the CA-61 wing length. It is a very well engineered wooden wing. It is often recommended to build the solid spar if...
  2. C

    Off topic question about flight sim games?

    I hope this isn't to off topic. i bought the kids an Xbox for Christmas. Then I realized that it could play some flight games. I have never played a video game, yes I am a dinosaur that still breaths. I was wondering if anyone would want to offer some advice. I tried gaming places but I...
  3. C

    I'm back with a hairbrained question!

    Hello again, I was active a few years ago but ended up in combat with cancer. I'm in good shape and ready to fly and build again. I'm rebuilding a traditional Fly Baby again and casting about for a build after that. I'm fond of the forward swept wing planes like the Cygnet and Pottier P130...
  4. C

    What is worth a few pounds?

    A question in a trade/mission study has always intrigued me. What would you sacrfice weight for on a design? I'm wondering about were would one add weight specifically. Assuming a weight conscience builder aiming for the safest low weight possible what would you add for convenience...
  5. C

    Large chord Ailerons and Flaps

    The question of large chord control surfaces has risen in my early design phase. It seems 20-25% C flaps and ailerons are commomn. Sometimes the flaps are a little bigger % C. Is there any problems with designing a rectangular wing with a 30-35% C aileron/flap trailing edge flaps?
  6. C

    First Question only Experience can answer

    I am progressing on my initial design work and am stumbling on the compromises necessary due to lack of airplane and piloting experience. The plane willbe a single seater sort of half way between an ultralight and a Piper vagabond. <600#'s empty, 1000# gross, designed for small non electric...
  7. C

    Ideas on cheap building and design

    This is an extension of my thread on Cantilever Spars. I am rebuilding my Bowers Fly Baby, built in the 60's and from this experience have some firm ideas about building and designing in wood and homebuilding in general. Optimized wooden structures built carefully are wonderous light...
  8. C

    Cantilever spar question

    I have done some rudimentary structures research but have a question about cantilever wings. For a wooden cantilever wing one sees the wings attach often on either side of the fuselage. For discussion sake say that one had a 3 piece spar, a center section in a steel tube fuselage and each...
  9. C

    Pics of Cub shortened fuselage?

    I've run across numerous references to clipped Cubs with shortened fuselages. Does anyone know of a site with a picture or two? I've been searching but to no avail.
  10. C

    Yamaha 3Cyl. Snowmachine Engine

    Anyone have experience or links to a converted Yamaha triple sled engine?
  11. C

    Designing For Rigging A Plane

    The Variable Incidence Tailplane thread got me thinking about a problem with many homebuilt designs. Could we have a general discussion on ideas, historical methods, and brainstorming on designing our homebuilts to be riggable in all its flight parameters and ground handling. The size and...
  12. C

    Stowable engines and belt drives?

    I am wondering about the long belt drive systems used in modern motorgliders. Would a long belt drive system work for a low powered, 45-65 hp., UL aircraft? It seems the belt might flap a great deal. If it is feasable it would work into a design study I'm plodding through. By the way I've...
  13. C

    Modern parasol with forward sweep MAI-223

    I'm a new member and have some questions about design. I am an ultralight pilot and own a Bowers Fly Baby currently under restoration. My inspiration in design is the Sisler Cygnet, Ison Airbike, Cvjetkovic Ca-61, Wittman W-8 and publications by Rhodes, Thurston, Bowers, and the early Sport...
  14. C

    Hello from Calgary

    I'm an owner of a Bowers Fly Bay under major restoration right now. I am researching another project, or perhaps my own design for a Canadian legal UL. Thanks
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