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Hydropropellers made of carbon fiber reinforced polyamide These propellers with brass threads M4 are perfect for carrying out initial test runs and possibly trying out suitable propeller sizes.It is important to always choose a size smaller in the subsequent change to aluminum or steel propeller, as they do not bend in contrast to the carbon material. Suitable for shaft with metric thread.
Good to know! Contrary to most manufacturers, the indication of the direction of movement for these propellers from Graupner refers to "from the engine".All product photos show the actual running direction for a better overview.