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  1. ultralajt

    Just made myself a woodworking Lathe

    Couple weeks ago I was forced to build a tool handle for my daughter. It was a wood-print carving knife. I decided to make it by wood-turning, so I install some parts on my drill press to achieve kind of "poor man" Lathe: I found that turning wood is not just a way to make some round items...
  2. ultralajt

    1-2-3-flying

    I often admire some guys that starts with a drawing, and finishing with flying their own design. Somethimes a first rough sketch makes me wonders about skill of the man behind but with obvious skilled hands and needed knowledge (other than just making pencil sketches) he manage to go over all...
  3. ultralajt

    Bill husa twin engined Reno racer "Gumbo"

    Hi! I am trying to model twin racer that late orion designed. I was using two or three renederings published in this forum by Orion, so figuring out proper proportions is pretty hard task. So, if anyone can point me to a 3view drawing of this sleek racer, Il be glad to build RC model. I...
  4. ultralajt

    Biplane

    What do yuu think about this "design study"? Full sandwich composite construction biplane (probably my next 26ccm Gas engine powered R/C model to test some ideas in a small scale... ~wingspan ~1,7m): Mitja
  5. ultralajt

    UL SAILPLANE - Footlaunchable, foldable

    I will introduce here my design of ultralight sailplane. It is result of my years long dreaming of concept that will suit my wishes. It is result of my flight experiences with Hang Gliding, Sailplane soaring, and evaluating of other footlaunchables, that were caught in my eye by their...
  6. ultralajt

    Variable aileron differential

    Hi! Last day an odd idea came trough my mind! As I work on a big scale RC sailplane, I wondered why I will make aileron differential. We all know, why aileron differential is essential in sailplanes, but I start thinking when aileron differential is needed more and when less. When a sailplane...
  7. ultralajt

    Carbon instead of aluminum tube

    Hi! Just a simple question. Let say that I would like to replace an aluminum tube tail boom of homebuilt sailplane, with the same outer diameter custom built carbon tube. The original aluminum tube data: 5,00"dia x 0.049wall, 6061-T6 Alum.tube, 10ft long. What type of carbon fabric, number...
  8. ultralajt

    Designs from 1929-1933

    Hi! I unexpectedly came accros five issues of EAA "Flight Manual", magazine for homebuilders from early years of homebuilt aeroplanes. (on one Russian aeroplane builders forum) I was amazed, how well drawn plans they did back then, and the awerall quality of those magazines! I was amazed also...
  9. ultralajt

    Ultralajt introducing

    Hi to all! Recently I "accidently" discovered this Forum and decided to join as I find it very interesting. I find some very usefull informations about designing and manufacturong, and also find out that some of the forum members do great stuff and posses great skills and knowledge. So in...
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