91HZ-R 3D Speed Helicopter Engine, Black

This 91HZ-R 3D Speed Helicopter Engine from O.S. Engines offers an impressive power output for high-performance RC helicopters and glow powered RC helicopters. With a short stroke delivering a wide range of RPMs, you can expect optimal performance from lower RPMs ensuring a stable flight to higher RPMs supporting advanced aerobatic maneuvers. The engine's size and weight make it an ideal choice for larger RC helicopters requiring more power.