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  1. P

    Rotax gearbox

    Can the gearbox on the Rotax 912 be rotated 180 degrees?
  2. P

    Prop extensions

    I have seen pics of some fairly long prop extensions on some of the small aircraft racers at Reno. I’m assuming this is for streamlining purposes and I know those engines run at pretty high rpm’s. When the prop extension gets too long you get into problems with harmonics, which has been...
  3. P

    Flying wires

    Skybolt, Marquart Charger, Fisher Celebrity, Acro Sport, Skyote, Hatz, Miniplane, Stolp. All of these biplanes I believe have fabric covered wings with flying wires that connect to both the main spars and also the rear spar. So how did Curtis Pitts design his wings such that he only used wires...
  4. P

    Mixing different epoxies

    Aircraft Spruce is now out of EZ Poxy so my project is at a standstill. They say that December is the earliest they can get some. I was thinking of using a different brand ( West systems ) but don’t know if using different brands is recommended and are these 2 brands compatible. Or maybe...
  5. P

    Kanardia

    Anyone have any experience with Kanardia EFIS systems. I’m pretty much narrowed down to a GRT setup but I’m impressed with the Kanardia displays, engine monitor and ”supposedly” easier installation.
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    Prop shaft

    I’m working on a design that would need a long prop shaft ( Aircobra/ BD 5). Having trouble accessing any info on how these are designed. The shaft would be approx. 5 feet and the HP is 100. Any help would be appreciated.
  7. P

    Long EZ dimensions

    I’m looking for a couple of Long EZ dimensions. Any help would be appreciated. I need the waterline of the engine thrust line and the fuselage station of the prop hub. (Aft face of the prop extension.
  8. P

    Spar cap material

    My son is building a Long EZE and is having a problem acquiring some UNI spar cap material. As a former composite builder I have been giving advice when asked. He’s working on the problem from Florida and me from Louisiana. He has finished the wings and ready for center section and canard...
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