lr27's Recent Activity

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  1. lr27 replied to the thread Ultralight struts/cantilever/additional weight.

    I wasn't jesting about the existence of a series of airfoils called Momfoil. You can look up coordinates and Xfoil plots. So if you came...

    Jan 21, 2020 at 9:47 AM
  2. lr27 replied to the thread What aircraft do you guys think were designed "perfect" from the outset?.

    DC-3? I don't think there were a whole lot of changes apart from rearranging the interior and using various engines.

    Jan 20, 2020 at 8:30 AM
  3. lr27 replied to the thread Free Glider plans - high wing wood.

    Sorry. I'm,often using my phone when posting here, and I haven't figured out how to cut and paste with it.

    Jan 20, 2020 at 8:15 AM
  4. lr27 replied to the thread The 'daydreamers' thread...post your craziest designs and concepts here.

    Those don't look anything like the caricatures on Hip Pocket, which are worth checking out.

    Jan 20, 2020 at 1:19 AM
  5. lr27 replied to the thread Ultralight struts/cantilever/additional weight.

    BTW, there are some airfoils that are designed to perform well above a certain lift coefficient and have high drag below a certain lift...

    Jan 20, 2020 at 1:15 AM
  6. lr27 replied to the thread Ultralight struts/cantilever/additional weight.

    Part 103 allows you to use some kind of gadget to keep the speed down, as long as the pilot can't turn it off while flying.

    Jan 20, 2020 at 1:02 AM
  7. lr27 replied to the thread Lazy bee derived LAR design.

    When the chord is huge, the wing will be relatively thick anyway. The Clark YS looks easier to build. But there may he something...

    Jan 20, 2020 at 12:37 AM
  8. lr27 replied to the thread The 'daydreamers' thread...post your craziest designs and concepts here.

    Go to Hip Pocket Aeronautics and check out the Chub. While you're at it, look at the Bostang and the Boston Speedster. All toon designs....

    Jan 19, 2020 at 9:18 AM
  9. lr27 replied to the thread What do you think about "e-soaring"?.

    Electric cart that can roll on the ground under power but which also has several electric motors and props so it can fly around under...

    Jan 19, 2020 at 8:20 AM
  10. lr27 replied to the thread Ultralight struts/cantilever/additional weight.

    I think wing struts are the kind of thing that you run into or hit your head on rather than trip over. ;-)

    Jan 19, 2020 at 7:56 AM
  11. lr27 replied to the thread Lazy bee derived LAR design.

    Curious how you decided between the 40 and 50 inch aileron wings.

    Jan 19, 2020 at 7:53 AM
  12. lr27 replied to the thread Issues and Solutions for kit- and plans-based sailplanes and motorgliders.

    Oh yeah. Those NC foam cutters could make foam molds too. Line with polyethylene sheet, waxed aluminum, or whatever. -------------...

    Jan 19, 2020 at 6:59 AM
  13. lr27 replied to the thread Issues and Solutions for kit- and plans-based sailplanes and motorgliders.

    Just read this entire thread, which was quite an effort. Hoping I can remember the things I meant to comment on. --------- RC gliders,...

    Jan 19, 2020 at 6:36 AM
  14. lr27 replied to the thread Free Glider plans - high wing wood.

    You can find free plans for the Carbon Dragon, Woodstock, and Windrose sailplanes on line.

    Jan 19, 2020 at 3:40 AM
  15. lr27 replied to the thread VJ-23 Rigid Wing Hang Glider.

    Someone made an enclosed VJ-23 which has been seen at the Wasserkuppe. I think it's in a museum now. I don't know what the performance...

    Jan 19, 2020 at 3:26 AM


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