[NSRCA-discussion] Trimming question.

[colin chariandy]

No, I'm using the MK bellcrank.
   
  If the problem was only related to the length of the pushrods, then when I re-trim the knife edge performance should return to normal. Thats not the case. The plane pushes to the bottom in the cold and is dead straight on hot days.
   
  Colin.

Lance Van Nostrand <patterndude at comcast.net> wrote:
          My guess is you have the deps system.  carbon fiber does not have as much shrinkage as the rest of your plane.
  --Lance
    ----- Original Message ----- 
  From: colin chariandy 
  To: NSRCA Mailing List 
  Sent: Sunday, September 10, 2006 11:09 PM
  Subject: [NSRCA-discussion] Trimming question.
  

  I noticed recently that I need to add a bit of down trim as the air temperature drops....maybe as much as 4 beebs going from 30+ days to 15C. That upsets the knife edge trim on the aircraft. 
   
  Is that normal, or do I have something set a bit marginally, like CG or wing incidence?
   
  Do you guys typically have a "cold weather set-up" ?
   
  Colin.
    
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