This is a 9x4.7 Slo-Flyer "tractor" (not a "pusher") airplane propeller.
This prop produces a lot of torque even at low speeds.
FEATURES: Computer-optimized design gives these props a thinner profile and
more "bite" with less noise.
Lightweight molded nylon construction reduces rotating mass for
higher output and longer life.
Reinforcing carbon fibers help maintain true, constant pitch at
Slo-Flyer propellers work well with Electric powered Park Flyer-type