Variable Rate Control Valve (Red) (each).

This valve if for use with all pneumatic-operated (air) retractable landing gears. Independent adjustments for up and down, true scale like speed. Precise control, works with all makes of retracts. Gear always moves under full pressure and volume. Works with 2 or 3 landing gear systems. The operating valve requires approximate 1/4" of push rod travel and functions with standard or mini servos.