Graupner Sport-Prop propeller (left).
Propeller especialy designed for electric motors.These propellers have a very thin, low-resistance blade profile and a high aspect ratio.
Made in high-strength fiberglass reinforced plastic, the propeller has a very good rigidity in torsion.
Depending on your motor shaft, please order separately the needed reducer insert for the propeller mount (like this one for instance).
Scope of delivery
Weight: 10.6 gr
Bore: 5/6/8mm (stepped bore*)
* A stepped bore is a bore that is machined a way that it allows to easily be bored from a small to a larger diameter, using a reamer. This way, it can be modified to be used on larger propeller mounts. Without boring, it is the smallest diameter that is specified who is the one present on these propellers.