Importance

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Abstract

The present disclosure relates to a folding propeller (10) for a water vehicle, comprising a hub (12) which is drivable about a rotation axis (D) via a drive shaft, and a propeller blade (14) which is arranged on the hub (12) to be pivotable about a pivot axis (S) between a maximum closed position (P1) and a maximum open position (P2), wherein the pivot axis (S) defines, together with a normal (N_D) to the rotation axis (D) which intersects the pivot axis (S), a maximum opening plane (E_Max), wherein in the driven state and a pivot position of the propeller blade (14) in the region of the maximum open position (P2), at least one opening force acts upon the propeller blade (14) which results from rotation of the folding propeller (10) and in relation to the rotation axis (D) is directed substantially radially outwardly, wherein an effective force application point (EAP) of the opening force is arranged spaced from the maximum opening plane (E_Max) and is substantially arranged in the closing direction (SR) of the propeller blade (14). The present disclosure further relates to a folding propeller (10) comprising a propeller blade (14) which has a reversal element (143) which is configured such that during rearward drive a reversed thrust (F_reverse) acts upon the reversal element (143) and is directed substantially perpendicularly to the propeller blade longitudinal axis (L_P) in the opening direction (OR) of the propeller blade (14).

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First Claim