PCM lock out servo mvt

Wayne Galligan wgalligan at goodsonacura.com
Fri Mar 11 07:22:54 AKST 2005


What about having the ailerons in the spoiler position and full up elevator?

WG

  ----- Original Message ----- 
  From: Rcmaster199 at aol.com 
  To: discussion at nsrca.org 
  Sent: Friday, March 11, 2005 10:10 AM
  Subject: Re: PCM lock out servo mvt


  I have tried the "Dethermalizer" command on a Funtana 90. This model is set up for extreme flight and has 50 degrees up elevator. 

  Essentially I put the plane in a Harrier and tried controlling the oscillations in the usual way. Then I decide to not use rudder and aileron, only elevator. Oddly enough, the oscillations didn't really get that much worse and the model didn't flip on its back, an unexpected result. It still oscillates hard at only 50 degrees of throw and it would likely catch a wing tip if brought down that way.

  Maybe what is really needed for real dethermalized flight is elevator command at closer to 90 degrees or possibly having the whole stabilizer flip up. Kinda what Burt Rutan's team did with their re-entry spacecraft.

  Matt

  PS- What IS this SPAM, SPAM and more SPAM we keep seeing in the subject lines.

  In a message dated 3/11/2005 10:20:37 AM Eastern Standard Time, natpenton at centurytel.net writes:
    Dean, Great idea ! Some airplanes are more stable in inverted Elevator than 
    upright. All of those who have enough elevator to Elevator need to try it 
    and report. Maybe no more crashes <BG>!!!!                         Nat

    ----- Original Message ----- 
    From: "Dean Pappas" <d.pappas at kodeos.com>
    To: <discussion at nsrca.org>
    Sent: Friday, March 11, 2005 8:43 AM
    Subject: [SPAM] RE: [SPAM] Re: PCM lock out servo mvt


    > Hi Nat,
    > You mean a Pattern ship dethermalizer?
    > Has anyone gotten their 3-D ship to Elevator hands-off? By
    > hands-off, I mean absolutely no rudder or aileron corrections needed in 
    > order to hit the ground flat.
    > I haven't seen it yet.
    > Regards,
    > Dean
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