This is the APC 11x4.7 Slo-Flyer Pusher Electric Propeller.
FEATURES: Foe electric and Park-Flyer type aircraft
Pusher propellers molded in the opposite direction from standard
propellers, they are designed for airplanes with the motor facing
backward in the rear of the plane, PUSHING the airplane forward
Lightweight molded nylon construction reduces rotating mass for
higher output and longer life
Reinforcing fibers help maintain true, constant pitch at any RPM
INCLUDES: APC 11x4.7 Slo-Flyer Pusher Electric Propeller
0.236" (5.9mm) and 0.188" (4.8mm) locating rings
REQUIRES: ALL props require balancing (use TOPQ5700)
May need prop reamer, use GPMQ5005 (SAE) or GPMQ5007 (Metric)
SPECS: Length: 11"
COMMENTS: Slo-Flyer props cannot be used on glow or gasoline powered engines