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Old Jan 15, 2013, 12:56 AM
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Southern Ontario, Canada
Joined Nov 2001
604 Posts
I guess I should bump this thread back up to the top. I have revisited the Falcon and made some modifications. She is ready to maiden again. Well, maiden when spring returns here.

I checked the wing and couldn't find any signs of a twist in it. All nice and flat.
I was able to reduce the length of the motor mount by about 3/4" and the cg is now spot on. I also checked the lateral balance and noticed the wing was out a little. About 6 - 1 1/4" finishing nails tapped into the wing tip corrected it.
Added about 2 degrees of right thrust and after reading an old article by Frank Zaic on balancing for powered free flight, I measured and then added about 4 degrees of downthrust.
I am still going to wait to finish the cowl as I might have to add more downthrust.

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