I use the 3010 servos on the ailerons with good results. Here's the specs......Control System: +Pulse Width Control 1520usec Neutral
Required Pulse: 3-5 Volt Peak to Peak Square Wave
Operating Voltage: 4.8-6.0 Volts
Operating Temperature Range: -20 to +60 Degree C
Operating Speed (4.8V): 0.20sec/60 degrees at no load
Operating Speed (6.0V): 0.16sec/60 degrees at no load
Stall Torque (4.8V): 72 oz/in. (5.2kg.cm)
Stall Torque (6.0V): 90 oz/in. (6.5kg.cm)
Operating Angle: 45 Deg. one side pulse traveling 400usec
360 Modifiable: Yes
Direction: Counter Clockwise/Pulse Traveling 1520-1900usec
Motor Type: 3 Pole Ferrite
Potentiometer Drive: Indirect Drive
Bearing Type: Top Ball Bearing
Gear Type: All Nylon Gears
Connector Wire Length: 12"
Dimensions: 1.6" x 0.8"x 1.5" (41 x 20 x 38mm)
Weight: 1.4oz. (41g)