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Old 03-24-2009 | 12:22 PM
  #49  
gossamerthemonster
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Joined: Feb 2007
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From: Rockledge, FL
Default RE: CMPro T-34 Build

Well I've got about 8 flights on it now (mostly in a 10kt crosswind []). Still turning out to be a pretty good plane. The gear is holding up nicely, and the springs (on the cables) seem to do their job. The tires are wearing fast though.

Now I have noticed a tendency to rudder rock (lack of a better term) at about 1/2 throttle. The plane seems to oscillate back and forth a little in a horizontal plane (as if there's rudder input) with no known cause. There shouldn't be any radio interference as I'm using Futaba 2.4ghz. I have re trimmed the ailerons and rudder with no success in elimination. I've read a little about 3-D and Bi-planes doing something similar, and the solution was to move the CG. The "field crew" suggests the large canopy may be causing turbulence. Anyone have input on this issue?