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Recent content by Kyle Boatright

HomeBuiltAirplanes.com

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  1. K

    10/23 Raptor Video

    He's got aero issues and engine issues. Making the engine run cooler and generate more power will help his flight test program and might allow him enough test flight time to figure out his aero problems. He's gotta start somewhere, because he's made very progress since the airplane was "ready...
  2. K

    10/23 Raptor Video

    Isn't the hinge line on the Raptor offset further than on most (all?) of the Rutanesque designs, possibly accentuating this characteristic?
  3. K

    10/23 Raptor Video

    Is the pitch bobble possibly because he's turned the Canard into a slotted flap with the offset hinge axis and he's getting a disproportionate amount of authority from the elevator? He applies nose-up elevator and gets an exaggerated effect?
  4. K

    Engine for Stewart Headwind?

    I have a copy of that one. It didn't do a lot for me. It is still sitting on my nightstand. Maybe I'll have another go at it as they would say in Blighty.
  5. K

    Engine for Stewart Headwind?

    Not right now. I have a 99% finished RV-10 in the garage that I need to push over the finish line. After that is finished and flying (or even once it goes to the airport), I'll be looking for a "next" project. I enjoy having something to work on here at the house. The candidates include...
  6. K

    The simplest airplane to build?

    RV-12. 98% pre-punched and match drilled. A Lego airplane, if you will. The main skill would be reading plans and being persistent.
  7. K

    Engine for Stewart Headwind?

    I'd love to go direct drive. How draggy is the SSC compared to the Headwind (which wasn't named that by accident). As to the Maximizer, Stewart says you can still hand-prop an aircraft equipped with one.
  8. K

    Engine for Stewart Headwind?

    Stewart's PSRU was the Maximizer. Plans are still for sale at Stewart's new website: https://sites.google.com/site/flywithstewart/
  9. K

    Engine for Stewart Headwind?

    Seems like a CAD file and machine shop would make the Maximizer doable.
  10. K

    Engine for Stewart Headwind?

    What's the appropriate engine for a Headwind? Personally, I'd be looking for something to spin a bigger prop slower. 40-50 hp at 2500 RPM should do it. Is there a recipe for that other than an A-65 (which is a little too much engine for the Headwind) or a Lycoming O-145 which also seems like...
  11. K

    Metal tube joint basics

    I agree 100%. Having built an old RV kit (which required some fabrication skills, but nothing like scratch building), I'm amazed at the tool collection that so many new (prepunched, match drilled kit) RV builders are convinced they need. $800 rivet squeezer, $400 bandsaw, industrial air...
  12. K

    Green zinc chromate primer as final finish

    The rattle can stuff is very tough after a week or two of drying. Before that, it is pretty fragile.
  13. K

    Green zinc chromate primer as final finish

    I'm no doctor or toxicologist, but Zinc Chromate use does have its risks. That said, with proper precautions (spray it outside, stand upwind, wear a mask, wear long sleeves) and the small quantities you're talking about, I'd use it. In fact, I do use it in small quantities. Knowing what I...
  14. K

    Most Beautiful Aircraft Ever Built

    There is also a lot of scope change/creep as different personalities change within the program office. This is complicated by the fact that every time funding is reduced and causes a schedule slip, it means the "latest, greatest" which was designed into the airplane needs to be changed out...
  15. K

    A&P from Tennessee. Dreaming on an scratch built LSA build

    Build a Piper style wing and put it on the Bearhawk. Easy, peasy. It would only require you to design and fabricate a few hundred custom parts. ;-)
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