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  1. billyvray

    Sold C-N-C Bobcat/Super Bobcat plans and builders manual Serial #1036

    I did not know there was that much foam used in a Bobcat.
  2. billyvray

    Scale sandwich composite Honda jet build condensed to 14 minutes

    He just recently started working with Tyler Perry the film maker. But prior to that he was on his own. He is building Tyler a huge C17 right now.
  3. billyvray

    Aqua Glider

    I remember it. If I recall Scott Perkins ( I believe a member) used to sell the plans.... Here's a pic I have of it. You might also consider versions of the Beaujon aircraft...
  4. billyvray

    Sold Plans: Ritz Standard A Serial #181

    I want to buy these if only to photograph the pages and share the plans...
  5. billyvray

    The Experimental Swedish WW2 Fighter - Saab 21

    I sense a new thread coming on...
  6. billyvray

    Twin-VW engine Push-Pull design idea (The "Beetlemaster")

    The Lacey twin. Though with a 20 foot wing and 740 lb empty weight, there's no single engine performance... But maybe with the set of goals in the thread it would work out.
  7. billyvray

    Twin-VW engine Push-Pull design idea (The "Beetlemaster")

    Somewhat related: the inspiriation for this thread, the Powers-Bashforth Minimaster has resurfaced. Apparently it's in pretty good shape and is going to be brought back to flight status! Sweet. From Instagram:
  8. billyvray

    Formula-I?

    The inevitable evolution to a modified class with pro-stock v-twins with 3:1 gearboxes swinging 4 blade paddle props on little fast planes will be sweet
  9. billyvray

    Formula-I?

    I like this idea for a race plane. Originally proposed by Don Mitchell for a Goodyear Racer. But here, use something like an HBA members Quicksilver-V-twin powered (belt reduction and Quicksilver drive shaft).
  10. billyvray

    can use two engine honda gx 50 for cricri mc 15 aircraft and i will used propeller 32X10

    Or simplify....use a single cheap Briggs converted a la Colomban's Luciole....
  11. billyvray

    SR-71

    Lord. And I call myself an 'engineer'....
  12. billyvray

    B&S 49-series (810cm3/49ci) for aircraft use - TiPi's Q&A thread

    I was thinking the same, that they clearly don't need that heavy a flywheel for out applications, even with a belt drive. Many much larger V twin motorcycle engines use a much smaller internal flywheel setup. Perhaps there's a harley-style ignition that can be adapted to run with no/lighter...
  13. billyvray

    B&S 49-series (810cm3/49ci) for aircraft use - TiPi's Q&A thread

    I have a question, maybe a dumb one. Why is the flywheel SO large and heavy on the 'mower' engines? Is it related to the end use (mower, generator, splitter). Other engines of this size have much smaller flywheels. For an aircraft use, it seems like a much lighter unit could be made to use the...
  14. billyvray

    Bleriot 62% scale RC with direct drive Briggs v-twin

    I was able to get more information from the gentleman, Marco Jansen. He removes the front cover (or bottom since it’s a vertical shaft originally) and casts his own. This cast piece allows for a large ball bearing area. He does not use the flywheel or original ignition. He uses two RCEXL...
  15. billyvray

    Bleriot 62% scale RC with direct drive Briggs v-twin

    I just found this on the YouTube. A very nice scale Bleriot radio control model aircraft. It is powered by a direct drive 480cc Briggs. It works great on the Bleriot due to the original having a very heavy rotary engine. I’ve asked the builder for more info and pics of the engine setup. He has...
  16. billyvray

    Beachner V8 Special

    Would anybody mind photographing Beachner plans and sharing?
  17. billyvray

    Green Sky adventures Zippy Sport

    Done yet, would still love a copy! lol
  18. billyvray

    Low aspect ratio sport plane ideas

    I just stumbled on this recently via Instagram. The Old Rhineback Aerodrome is building an Arup S-2 to be completed up to flying capability! Looks fantastic, and I bet it will invigorate this type of aircraft thinking. Here are some pics and notes, and the link...
  19. billyvray

    JetCat or Similar Small Turbine for Backup/Takeoff Propulsion

    I second the rocket idea. Here is a homemade sugar rocket making significant thrust. This would be an awesome RATO setup.
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