Throttle, Propeller, Mixture and Flaps (TPM) Controller and Full Size Trim Wheel For Flight Simulators - ComboThis combo includes my throttle, propeller, mixture and Flaps controller plus my Full Size Stand Alone Elevator Trim Wheel Controller for flight simulators. The TPM controller features push pull controls for each throttle prop and mixture. The throttle also features a locking nut as well, twist it to lock the throttle in place. The Flaps is a momentary switch, push up to raise flaps one notch and push down to lower flaps one notch, the switch auto