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Old 10-31-2011 | 09:29 PM
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saramos
 
Joined: Dec 2003
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From: Northridge, CA
Default RE: What are boost tabs???

Another setup would be to use balance tabs to reduce the force needed to operate the control surface. The balance tab is passive as it is not directly controlled. Here's a photo of a balance tab on the elevator on an F4U Corsair. The control linkage is attached to a fixed horn on the horizontal stabilizer. The tab automatically moves proportionally and opposite the movement of the elevator. This and the portion of the elevator tips that projects forward of the hinge line combine to reduse the force needed to operate the elevator.

Scott
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