Moment and Moment Arms

Question 1

What is the CoP CoG couple?

Answer 1

Forces of lift and gravity acting through different points causing a nose up or nose down pitching moment.

Question 2

What are some aerodynamic balancing methods used?

Answer 2

1) Control horns
2) Flexible seals
3) Balance tabs

Question 3

What are trim tabs used for?

Answer 3

To remove the stick force for a set angle of attack and power settings.