This cooling fan features aerofoil sectioned angled vanes to provide maximum cooling efficiency without sacrificing engine power. A direct replacement for the stock plastic fan on later Shuttles offering up to 30% greater cooling capacity.
The underside of this fan features a pair of machined pockets suitable for the mounting of 4.1mm diameter throttle governor magnets as used in the Futaba GV-1, Throttle Jockey and Rev-Lock units