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The first such ship to use the Voith Schneider propeller was the excursion boat Kempten. Two German 1935-type M class minesweepers M-1 and M-2 were fitted with VSPs. The first British ship to use Voith Schneider propellers was the double-ended Isle of Wight ferry MV Lymington, launched in 1938.
An outboard motor is a propulsion system for boats, consisting of a self-contained unit that includes engine, gearbox and propeller or jet drive, designed to be affixed to the outside of the transom. They are the most common motorised method of propelling small watercraft.
The Coast Guard's 47-foot primary heavy-weather boat used for search and rescue as well as law enforcement and homeland security. [14] Response Boat – Medium: 45' The Coast Guard has signed a multi-year contract for 180 Response Boat – Medium (RB-M) boats that were delivered starting in 2008 to replace the 41′ UTB boats.
A Mark 46 Mod 5A torpedo is inspected aboard a destroyer in April 2005. Contra-rotating propellers have benefits when providing thrust in marine applications. Contra-rotating propellers are used on torpedoes due to the natural torque compensation and are also used in some motor boats.
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 ...
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 ...