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  1. Rom

    Terrafugia TF X

    I would not compare Terrafugia with Moller. The Transition has achieved successful flight testing and is in the process of getting certification for air and road use. The Transition is showing to be an actual aircraft. Whether there will be a market for a road-able aircraft is yet to be seen...
  2. Rom

    "minimum" personal mobility device --ground and airmobile.

    By combining road-able and flying in one package would be a compromise in both road-ability and fly-ability. Perhaps a vtol flying electric pod to get to ones destination and combine that with a small folding bicycle would prove more practical, or use public transport once at your destination.
  3. Rom

    A challenge to you all

    It might be easier to deal with a removable wing, in such that a folding wing and fuselage may be more awkward to handle, especialy with such a light weight airframe, would not be necessary. To make it simpler, how about getting rid of the horizontal tail and doing a pivoted main wing? I liked...
  4. Rom

    A challenge to you all

    Since this is an ultralight, drag penalty of exposed controls is not an issue. That makes it simpler still. Maybe you need to step back a bit Duncan and restart the strongback design. This will give you something to fly in short order while you are working on the Razorback.
  5. Rom

    Twin-Jet Bede Flying at KCMA

    That bottom engine should help with pitch trim during take-off, moving the centerline of thrust to a lower position.
  6. Rom

    EAA and the Airventure Cup Race

    I agree that large organizations at times outlive or diverge from their origional purpose. I heard that Paul Poberezny had recently started another group with a newsletter Sport Flying or something like that, can't remember what it is called. Supposedly to get beck to the grass roots of...
  7. Rom

    Question re: use of patented ideas

    The purpose of the patent system is to allow a monopoly on the commercial use of an invention for a fixed period of time, to allow the inventor to profit and recoup the cost of developing the said invention.
  8. Rom

    Question re: use of patented ideas

    For ones own use, as long as no sale or profit is being made by the use of it, there is no law against the use.
  9. Rom

    Not airplane related but cool as heck

    A device that does everything, doesn't do them very well. How about a boat?
  10. Rom

    Dreamer or scam...

    I found a photo I took of Jeff's Orion. This display was parked next the flying Orion. Nice composite work.
  11. Rom

    Dreamer or scam...

    Popular Science should put a correction in another issue for giving you credit for the use of the Photo.
  12. Rom

    Alternative fowler flap mounting

    It sounds like there would need to be a telescopic mechanism coming out of the drag spar that the hinge would be attached to. That could be advantages to increase the cord by extending it strait for the climb and and deflecting it for landing.
  13. Rom

    German 120Kg regulations paased & published

    In the land where my cousin has to be licensed to weave baskets, that's good news.
  14. Rom

    Dreamer or scam...

    This was on display at Oshkosh last year. Had a chance to talk to exhibitor. If I remember correctly, the wings were unlike a Rutan solid foam core, but were sandwich cored. I'll look to see if I still have the literature for it at home.
  15. Rom

    Roadable aircraft

    That figure is a lot more reasonable than the $40,000 number. In a flying car for the masses, a 10k maintainence item still wouldn't make it to market.
  16. Rom

    Roadable aircraft

    I don't know how Cirrus can justify the cost. If the original cost of the system for a 3400 lb. aircraft is around 25k, that repacking the same would cost nearly double. Unless they replace the entire system, including the bridles, brackets and peal strips.
  17. Rom

    New ultralight

    Hard to tell without knowing the wing area. At 20hp it could fall within the top speed.
  18. Rom

    New ultralight

    Amazing how they can build an all composite airplane of that size so light weight. It must be extremely delicate.
  19. Rom

    Graphlite™ pultruded carbon fiber rod...

    There are two threads going on in here. One related to the topic, the other, relevent but not to Graphlite rods. I see why, even though in compression and tension, the strengths are quite far apart 300k in tension and 200k in compression for a given product. For stiffness, equilizing the...
  20. Rom

    A-33

    A-33 aircraft is designed for trainers, patrol and inspection, tourist flights. By aerodynamic configuration of the aircraft is a normal scheme of cantilever monoplane with a lower-wing, classic horizontal tail surface, tractor propeller, fixed landing gear. Cab - a double, c placing pilots...
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