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  1. cavelamb

    Questions about material on Jurca Mustang

    Nope. It won't. 50cal vs Steel Beam
  2. cavelamb

    What's wrong with the Affordaplane?

    Also... "Stress Without Tears" chap 2 typo?
  3. cavelamb

    What's wrong with the Affordaplane?

    Technical references - Books, Technical papers, software
  4. cavelamb

    Fly Baby Plans Available for Free Download

    Hey Ron, Long time, no type. I remember the Air Progress article when I first learned of Pete. What was it? 1963? That's the day I fell in love with the Fly Baby. Still do too. Richard Lamb
  5. cavelamb

    Best video for making wooden forms to bend ribs?

    Three videos starting here... But locating flutes really is a trial and error process. Once you know where to put them you can work them into your form blocks. Forming metal ribs
  6. cavelamb

    Pik-26 conclusion is near

    No. It is an interesting little airplane, but I fear too small for me to be comfortable in. And I would be concerned about the extra weight of me plus the 4 cv engine.
  7. cavelamb

    Pik-26 conclusion is near

    I guess I'm 1.83. It looks really tight on me.
  8. cavelamb

    Pik-26 conclusion is near

    The guy in the sketch is supposed to be me - 6-1 and 200 pounds. I've flown a Corby Starlet. Plenty roomy and comfortable.
  9. cavelamb

    Pik-26 conclusion is near

    It's a really interesting little airplane but the operative term there is - little! Big guys are going to find it a bit tight!
  10. cavelamb

    Not-so-solid massive core wings: Lightening the core foam

    Take a look at KR2 wing construction. It's pretty much what you are describing, although through different techniques. Foam is attached to the primary structure and hotwired to shape. The inner ace of the foam core is just raw foam. The foam supporting the skin has to be thick enough to pass...
  11. cavelamb

    Steps to scratch build a VW

    Not a good choice at all. Look at the difference in propellers. Continental A-65 vs VW
  12. cavelamb

    Tubular boom from sheet?

    \ Not true. The spars and center section have always been extruded tube.
  13. cavelamb

    Aluminum Tube & Gusset Airbike / Legal Eagle / Parasol Thread

    GZ, that one looks like it's straight off of Graham Lee's plans.
  14. cavelamb

    Aluminum Tube & Gusset Airbike / Legal Eagle / Parasol Thread

    Just a note to point out that the Texas Parasol does not use riveted aluminum tube in the fuselage structure. The fuselage is built using extruded 6061-T6 aluminum angle - overlap joints and driven rivets. While this may be a little heavier than pop-riveted aluminum tube, the weight difference...
  15. cavelamb

    Plans format preferences and pricing

    I sold plans for a few years, until it became more hassle than it was worth. In three years they brought in about $12,000. But I never thought of it as a "business". And still don't. The real measure of success is seeing planes get built and flown. Now, twenty years later, I still hear from...
  16. cavelamb

    Horizontal tail construction

    It all depends on the actual CG location, and that can change in flight. For instance, burning off fuel from forward or aft fuel tanks... Moving the CG aft will LIGHTEN the load on the tail regardless of speed. Moving the CG forward will increase the load on the tail.
  17. cavelamb


    A lot has changed in printer technology in the last decade or so. Color printing and photographic prints are the rage. And that's okay. But we've lost some capability as well. The old Epson dot matrix printers and Window printer drivers (up to Win 98) could print to within .01 inches. That's...
  18. cavelamb

    How far are we from the perfect electric "homebuilt" ?

    I haven't follow the whole thread, Are thee any links to the motors that are being used?
  19. cavelamb

    Experience with Polini engines?

    Moderator Note: Brought this out from the Scratch-Build a VW thread, as it's a worthwhile question but off-topic for that original thread. /Note. -------------------------- While the masses here are still trying to figure out how to build a VW, I'm trying to find a replacement for the VW...