RCU Forums - View Single Post - Gp Giles 202 1/4 Scale, Upthrust Problem!!!!
Old 02-26-2002 | 03:36 AM
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paulfrmphoenix
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From: los osos, CA
Default Gp Giles 202 1/4 Scale, Upthrust Problem!!!!

Well, i flew the bird again today, and still had to put 10 clicks of down trim in elevator, to get it to fly level. Came home and put in 3-1/2 degrees of down thrust in engine! went back to the field, and flew the bird once more. NO CHANGE! still needed 10 clicks of down to fly level.
I came to the conclusion that MORE down thrust is not the answer to the problem. I turned both ailerons down a half turn,and it helped quite a bit! I figured there must be something way off, or out of line. But the plane is now flying very well .
When i got home, i put four incidence meters on the plane(one on each wing tip, one on each elevator half) every surface was at ZERO! This is a mystery to me.If any one has any answers to this one, i sure would appreciate their input. (it's not a balance issue, as i double checked it ,and it is right on the money)
I put the engine back to 1-1/2 degrees down thrust. Set the elevators at 1/2 degree down ,and ailerons1/2 degree down.
I will fly it wednesday to see how this setup is working.
Thanks for reading this , Paul