The Futaba BPS-1 RPM Sensor provides accurate readings and better performance with plug-in ease! It is designed for use with Futaba GY701, CGY750 and GV-1 governers.
A competition plus that constantly monitors and maintains rpm at a level you select
Eliminates the need for fan-mounted magnets and governor mounts
Perfect for use with O.S. 55HZ-R and 91HZ-R heli engines equipped with Futaba GY701 and CGY750 gyros
Easy to install. Plugs into the sensor mount built into the engines’ backplates in seconds