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control surface loads?

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control surface loads?

Old 04-26-2004, 04:36 PM
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Default control surface loads?

just curious as to what sort of force is applied to the control surfaces of say a .40 sport plane. Just trying to understand this, becuase the control surfaces (rudders) on my airboat are strong enogh to push it away from the wall, but my planes dont seem to have the same power. so, what kind of air forces are applied to a control surface?
Old 04-26-2004, 04:40 PM
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Default RE: control surface loads?

Here is a servo calculator that will help you figure it out:
Old 04-26-2004, 07:35 PM
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Default RE: control surface loads?

Just don't fly the plane close to any walls and you'll be fine.
Old 04-26-2004, 11:19 PM
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Default RE: control surface loads?

It may not be the power of the servo... but the amount of throw you have the linkage set up to give.

It could also be that the design of the average trainer is such that it does not want to spin on a dime like you can do with the airboat. The airplane needs to be moving along at 20 to 50 mph. The airboat can be kind of drifting at 1 or 2 mph with the engine idling...youhit the rudder and throttle and can do circles in the boat's own length. The airplane you have will never match that.

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