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  1. shuffman37

    Help Finding DIY Ultralight Project

    A few years ago I found an ultralight being built by "Robert Jones" and I can't find anymore information about the project. It was a foam/fiberglass ultralight with the cockpit and engine in front of the wing spar. I'd love to see a project update and learn how the unusual tail shape performs...
  2. shuffman37

    10/23 Raptor Video

    Low altitude and the chute is untested. The chance of the chute failing and falling to the ground in a stalled condition would be very high. I'd rather glide it in and be in control until impact.
  3. shuffman37

    10/23 Raptor Video

    Needs a 300 lb cast iron gearbox + pilot seat with an integrated waste funnel and holding tank.
  4. shuffman37

    10/23 Raptor Video

    While flying with a bent spar and 400 pounds over gross 😂
  5. shuffman37

    10/23 Raptor Video

    400 fpm is 1930 performance levels. In another 90 years we might be able to cross the Rockies!
  6. shuffman37

    10/23 Raptor Video

    Exactly. Twice the pucker factor. Two old manually controlled engines are twice as likely to suffer pilot stupidity. Which tank am I feeding from???
  7. shuffman37

    10/23 Raptor Video

    I love twin engine airplanes that can't climb on one. Makes me feel safe when I'm departing an airport surrounded by buildings and trees for miles. 😂
  8. shuffman37

    10/23 Raptor Video

    I love crossing Lake Michigan at 12,000 feet and realizing my bladder is at capacity.
  9. shuffman37

    10/23 Raptor Video

    I was thinking non pressurized cockpit shell. The large door design would be useful for bulky cargo. With a new wing, canard, and power plant, wouldn't be a bad design for vacation travel.
  10. shuffman37

    Budget Ultralight

    Small engines use ball bearings or sleeve bearings and do not have good thrust force resistance. If you do a direct drive, you'll need a thrust bearing externally mounted on a propeller shaft. The thrust load from a prop (150-200 lb) will destroy the crankshaft bearings within a few hours. When...
  11. shuffman37

    Valkyrie Canard

    Yep! Someone created a FSX CO50 model, the pitch authority was very poor, wasn't flyable as modeled.
  12. shuffman37

    Cloud White-out & spin; does he live ?

    Agreed! When I got my Pitts S2-B training, we talked about emergency IMC procedures in non instrumented aircraft. In something like the Pitts, just letting go of all controls and pulling power to the idle stop will automatically recover in about 1 turn.
  13. shuffman37

    10/23 Raptor Video

    Could produce fuselage shells with the existing tooling, as the door/cockpit/window layout seems to work well together. For someone like my step dad who has had multiple knee replacements, the large gull wing doors would make getting in a lot easier. It almost takes a crane to get him loaded in...
  14. shuffman37

    10/23 Raptor Video

    In regards to serial production development: 1. What part(s) of the existing design are usable as-is? 2. Does a market exist for a professionally designed/built aircraft of this type? 3. Should prototype 2 be a clean sheet design? 4. Should prototype 2 use a standard aviation engine...
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