[NSRCA-discussion] Odyssey CG

[Anthony Abdullah]

Dr. Harrison,
  Thank you very much for the information! I agree with you completely that the CG is pilot specific. I tend to like my planes just a hair tail heavy compared to others. What I was afraid of was having the CG so out of whack that the plane would not survive its maiden flight.
   
  I know that 30% is the rule of thumb and I wanted to make sure that applies to the Odyssey. Just to summarize and for example, If I am looking at the wing root of one panel and the chord is 10 inches, I wand to start with the CG roughly three inches from the leading edge at the root (fuselage)?
   
  I will follow that and let you know how it turns out.
   
  Is there anything else I should know about the Odyssey?
   
  Thanks again
  Anthony

"Dr. Mike Harrison" <drmikedds at sbcglobal.net> wrote:
          Anthony,
   
  I designed the Odyssey and I can't tell you where it is, but I can recommend some guidelines.  First, however let me give some opinion as to the value of cg location.  I believe the optimum cg location is pilot sensitive, that is to say different flyers prefer different cg's based on how the plane is set up.  For that reason I recommend a range that is easy to find then fly the airplane and change the cg until you like the way it flies.  Some points to remember are to fly full speed then cut the throttle, the plane should descend very slowly.  If it descends rapidly, then it is nose heavy.  If it climbs, it is tail heavy.  That will get you close.  After that make very small changes to suit your style.  On your root rib mark from 28 to 32 percent of the rib.  That would be a recommended range.  You might start at 30% and work from there.  The stab is powerful on the Odyssey and requires expo for best results so don't confuse a powerful elevator as tail heavy.  
   
  Good luck
  Mike
    ----- Original Message ----- 
  From: Anthony Abdullah 
  To: NSRCA Mailing List 
  Sent: Monday, April 30, 2007 12:38 PM
  Subject: [NSRCA-discussion] Odyssey CG
  

  Does anyone know where the CG should be on the Odyssey?

TIA
  Anthony
    
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