Range of Movement of Control Surfaces
(shown in degrees)

Ailerons (from neutral): 19 up, 14 down
Flaps: 50 max, in 10 degree increments
Elevators (from streamline with stabilizer): 20 up, 16 down
Rudder (from streamline with fin): 25 port and starboard

Trim Tabs
- Elevator (from elevator trailing edge): 10 up, 20 down
- Rudder (from rudder trailing edge): 18 port and starboard
- Ailerons (from aileron trailing edge): 15 up and down

Balance Tabs
- Aileron (referred to median line of aileron): 26 up, 38 down
- Elevator (referred to median Line of elevator): 16 up, 20 down

NOTE: This information and picture are from the F4U-1 Erection and Maintenance Handbook and was sent to me by Lex Cralley.
Lex recovered a full scale Brewster built F3A-1 Corsair (Bu. No. 04634) from a swamp in North Carolina and is in the process of restoring it.
Read about Lex and how he beat a lawsuit from the U.S. Navy here: [link=http://brewstercorsair.com/]Recovered Brewster F3A-1 Corsair[/link]