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Developed in 1827, the screw propeller is a mechanical device for propelling a boat through water. Consisting of a revolving shaft with two or more broad, angled blades attached to it, the propeller
transmits power by converting rotational motion into thrust. A pressure difference is produced between the forward and rear surfaces of the blade.
Specifications : Size: D 25mm (1 inch) x SL 11mm (7/16 inch) X BW 8mm (5/16 inch) Shaft Diameter: 2mm (3/64 inch) Material: Britannia Metal Package Qty: 1 |