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  1. M

    New Flying Wing takes flight - Facebook's Aquila

    Just wanted to pass this on. Eventually they are going to release the plans, it will be interesting to look over them to see what decisions they made on this carbon fiber flying wing. Facebook's Aquila drone takes to the air - BBC News
  2. M

    Acrobatic Fauvel type Flying Wing?

    Been watching youtube vids of an AV-36 doing loops. https://www.youtube.com/watch?v=4SAb6epuBhc Which got me pondering a variation on Pelican/Vampyr. The Pelican was designed to be low cost/low HP. 5g/2.5g. But it doesn't have to be. What if? 1) Go with a thinner wing section, Graphlite...
  3. M

    Strojnik Spar Question

    Anyone who has his books...(or just happens to know)...could you go a little into detail on his spar design. The AL angle cap, AL stiffeners, glued(?) plywood web one. Does anyone know what AL thickness, plywood type/thickness, glue used for that design? Which of his books covers that? I'm...
  4. M

    Bingelis's article 'Construction Methods Wood Wing Ribs' Les Long rib questions

    The article is in the EAA Aircraft Building Techniques Wood... He mentions a Les Long ultra-light truss rib design....it uses four 1/4" x 1/4" spruce strips as double cap strips between which are slid the uprights and diagonals which are glued and held by a 3/4" 20 gauge nail. (no plywood...
  5. M

    washout Fike's Book question/wing testing question

    I've been reading Fike's Practical Lightplane Design and Construction and I've got questions... He mentions in the section on wings...."conventional two spar wing construction....Even after the wing is covered, the tips can be washed in or out several degrees..." How is that done? Is it in...
  6. M

    New composite metal foam...uses?

    nsf.gov - Special Report - Science Nation "Mechanical and aerospace engineering professor Afsaneh Rabiei set out to make a material as light as aluminum and stronger than stainless steel." Basically it looks like cast aluminum with hollow steel spheres through out which makes the metal foam...
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