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08-29-2004, 09:50 AM | #11 |
RCC Supreme Contributor
I am: Ronm
Join Date: Dec 2002
Location: Mission, B.C.
Radio of choice:
Futaba # of RCs: 10
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The problem is ANY flimsyness ANYWHERE will cause flutter.
Not just the elevator, but the whole stab can flutter! (in fact, whole WINGS!!) (I believe this happened to Gary Maker) When I inspected this plane, it was obvious to me that this was a potential problem. In answer to the poll, no one thing can eliminate flutter. Any one thing can cause flutter. Unless you eliminate ALL the problem areas, you could have a flutter problem. As I stated in my earlier post, providing everything else was tight, yes, I believe the flimsy stab was the problem in this case, and yes I believe the flying wires could have prevented it. All surfaces will try to flutter at some speed, and the higher the speed, the worse the problem. What we must try to do is make everything as solid as possible in order to increase the speed at which the surfaces will begin to flutter. To get some Kevlar, you can buy the Sullivan Kevlar pull-pull system for about $12. You will also get some fittings with it that you may be able to use to install it. You could also just thread the Kevlar through the surfaces, and ca in place.
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Ron Mattiuz Flying Tigers RC Club "Flying an airplane is just like riding a bike...except it's harder to put cards in the spokes" |
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