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West Marine is an American company based in Fort Lauderdale, Florida, which operates a chain of boating supply and fishing retail stores. The company has 247 retail stores in North America. West Marine also runs Blue Future [2] a non profit organization. West Marine's flagship store is in Fort Lauderdale.
A ducted propeller, also known as a Kort nozzle, is a marine propeller fitted with a non-rotating nozzle. It is used to improve the efficiency of the propeller and is especially used on heavily loaded propellers or propellers with limited diameter. It was developed first by Luigi Stipa (1931) and later by Ludwig Kort (1934). The Kort nozzle is ...
Whirl Wind Propellers Corporation, is an American manufacturer of composite propellers for homebuilt and light-sport aircraft. The company headquarters is located in Piqua Ohio. [1] The company makes composite ground adjustable aircraft propellers as well as replacement blades for the Nanchang CJ-6's V530 propeller and also airboat propellers ...
Supercavitating propeller – Marine propeller designed to operate with a full cavitation bubble; Variable-pitch propeller – Propeller with blades that can be rotated to control their pitch while in use; Voith-Schneider propeller – Perpendicular-axis marine propulsion system; Wake-equalising duct – Ship hull appendage to modify propeller ...
In mechanical engineering, an end-face mechanical seal (often shortened to mechanical seal) is a type of seal used in rotating equipment, such as pumps, mixers, blowers, and compressors. When a pump operates, the liquid could leak out of the pump between the rotating shaft and the stationary pump casing. Since the shaft rotates, preventing this ...
propeller 1. (fixed) A propeller mounted on a rigid shaft protruding from the hull of a vessel, usually driven by an inboard motor. 2. (folding) A propeller with folding blades, furling to reduce drag on a sailing vessel when not in use. propeller walk. Also prop walk. The tendency for a propeller to push the stern sideways.
Flag of the United States Maritime Service. The United States Maritime Service (USMS) was established in 1938 under the provisions of the Merchant Marine Act of 1936 as voluntary training organization [3] to train individuals to become officers and crewmembers on merchant ships that form the United States Merchant Marine per 46 U.S.C. § 51701. [4]
A seal is a device or material that helps join systems, mechanisms or other materials together by preventing leakage (e.g. in a pumping system), containing pressure, or excluding contamination. The effectiveness of a seal is dependent on adhesion in the case of sealants and compression in the case of gaskets .