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John Farley

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Everything posted by John Farley

  1. John Farley
    Well done you! If www.aviewfromthehover.com interests you then send me a message and I will sign one and stick it in the post. J
  2. John Farley
    Dear Stuart Glad you enjoy lane changing!. Secondary safety in cars is so much better these days, but primary safety by swerving under control and avoiding the accident is even better! Do you still fly as a pilot? J
  3. John Farley
    Ta Stuart It really enjoyed a flat calm evening at the last Old Warden model weekend drifting around in circles 10ft above the free flight crowd's heads! J
  4. John Farley
    Thank you Pete B - sorry if I let the side down. JF
  5. John Farley
    Craked it
  6. John Farley

    self launching mod

    John Farley posted a gallery image in Member Albums

    self launching mod
  7. John Farley

    John Farley posted a gallery image in Member Albums

  8. John Farley
    The batery is outside (and not in the nose) because I did not want to butcher the model until I knew the electrics would do the job. Then once I flew it I couldn't be bothered to change it! It self launches ever so well in gentle climbing turns for as long as you want to set the timer. It has only about 70gms of thrust but when planning the mod I decided that would be sufficient based on the aircraft weight and the likely lift/drag of the glider. I took a conservative L/D of 6 so the drag was 1/6 of the weight and the thrust needed to be a bit more than that to get a climb. Pretty childish calcs but they worked. The power 'egg' was made by taking a piece of very thin ply and holding it onto the wing with the normal attachment rubber bands and cutting and gluing a pylon base to fit. So the wing did not need any mods. I would recomend that approach to developing/making a power egg for any glider. It is so easy.     Edited By Pete B - Moderator on 08/04/2013 19:56:49
  9. John Farley
    Sorry I hoped it would put the pic up. But the link works. J
  10. John Farley
    [IMG]http://img.photobucket.com/albums/v145/johnfarley/Caprice2_zpsbf2aa7f9.jpg[/IMG] I cheated and treated my very old Caprice to a small pylon on top of the wing and a tiny direct drive motor and prop with some 70gm of thrust. Plenty to make such an efficient glider self launching. It is free flight with a timer for the motor run.
  11. John Farley
    Thanks Gordon - it is on order!  JF
  12. John Farley
    Thank you very much Chris  Very helpful  Yours  John
  13. John Farley
    Hi  I am trying to source a timer to turn the electric motor off in a converted rubber powered free flight aircraft.  I have heard you can get them that give X seconds at full power then Y secs at cruise power then cut-off.  I have done several searches but no joy. Any info would be much appreciated  JF
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