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  1. J

    Tandem rotor gyroplane

    These? Official Crown Gear Right Angle Gearbox | Zero-Max, Inc.
  2. J

    Tandem rotor gyroplane

    Can you give us an example of what sort of charts and which companies gearboxes you are looking at?
  3. J

    What do you guys think about the circlecycle engine

    Back to the OP topic - Did anyone see the video on the website where it was running (for a very short time) on propane? Gotta say I was surprised to see a model that far along....
  4. J

    Circular wing Flugtag Entry

    Oh, darn. Too bad. I would suspect training is a problem for this contest.....
  5. J

    Circular wing Flugtag Entry

    What was the outcome here?
  6. J

    Return of the Seaplane

    +1 Terrible TV Neat Airplane
  7. J

    White Lightning

    Here's a link to the Barnstormer's ad. BARNSTORMERS.COM This is quite the traveling machine. I wish it made sense for me to buy.... I'd like to learn so much more about performance and other characteristics, but don't want to waste anyone's time just to satisfy curiousity.... Good luck with...
  8. J

    Asymmetrical homebuilt aircraft concepts

    There are some great videos on that site that shows what the SW can do. I only mention it because it seems to output data useful to other programs and be tailored to aero design....
  9. J

    Asymmetrical homebuilt aircraft concepts

    Would openVSP be suitable for this? OpenVSP
  10. J

    Richard Bach's Plane Crash Recovery

    Thanks for sharing that update.
  11. J

    Roadable Aircraft DESIGN

    So much to take in here in this thread.... Holden, I've always thought the "separate flying bits" was a great approach. I liked where those guys were headed with the Lotus Esprit. I thought a neat combo would be the same approach with a Porsche 550 Spyder replica - built really light and with...
  12. J

    Thought Experiment - Movable Slats instead of Flaps

    Thanks for the replies.
  13. J

    Thought Experiment - Movable Slats instead of Flaps

    Letting my mind wander the other day, I wondered what it would be like if an aircraft had movable slats instead of flaps. Would the pitch change the same as when deploying flaps? Would the mechanical advantage / force required to deploy be much greater than with flaps? Would slow flight be...
  14. J

    Roadable Aircraft DESIGN

    RE: Stefan Klein and the aeromobile.... I like it. Neat solutions to a few problems - both in the current version in the video and the next version (only animated). When I saw the design, my first thought was "how does he rotate? Then, in the video, one sees how moving the front wheels to...
  15. J

    Circular wing Flugtag Entry

    If you could be flying at the end of the deck, that would be incredible. I recall watching a successful flugtag foam glider and was amazed at the pilot's "will power" to stay in the dive until he had enough airspeed to fly. If you were flying at the end of the run and then could hold that AOA...
  16. J

    Circular wing Flugtag Entry

    Impressive glide on that video. Any pics in this thread showing the cockpit location and control(s)?
  17. J

    New engine for your consideration.

    I just glanced over the article. Did you find graphs showing power in the 2500-2800rpm band?
  18. J

    How much thrust will push a Velocity?

    Made me thing of those luggage pods on LongEZs Replace those with the jet on the Sonex Jet (at only ~40k per engine, but at least it includes the fuels controller :) )
  19. J

    White Lightning

    Oh my. Very nice.... Seems like it would be a great traveling machine.....
  20. J

    Synergy Aircraft

    Edit, to clarify, this is a reply to "autoreply" I wonder if the "constructive biplane interference" he's engineered into the double-box-tail config will address this? As I understand from reading here and the EAA site, the tail position and sweep (including relationship through the winglets)...
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