What does a trim tab do?
- Provides finer control movements by the pilot
- Allows the C of G to be outside the normal limit
- Eases control loading for pilot
Explanation
A trim tab is set to hold the main control surface in a position that balances the aerodynamic loads in steady flight. By taking out the residual stick or pedal force, it relieves the pilot of having to hold a constant pressure on the controls, easing control loading.
Jordi asking:
shouldn't this be servo tab?.The servo tab eases the loading.
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