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In 1988 Tohatsu and Brunswick Corporation set up a joint venture named Tohatsu Marine Corporation to produce outboards for Mercury Marine. [10] Some Mercury outboards with less than 60 HP are rebranded Tohatsus. [11] In 2011, Tohatsu and Evinrude Outboard Motors made a deal to make smaller engines ranging from 15 HP and down with Evinrude ...
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.
Nissan outboard motors are produced by Tohatsu Corporation of Tokyo, Japan. They are the second largest producer of outboard motors in the world and produce environmentally conscious TLDI series of two-stroke low pressure direct injection outboards that meet current United States Environmental Protection Agency regulations for the US.
Nissan Marine began their North American operations in 1984 in Memphis, Tennessee as a division of Nissan Industrial Equipment Co. Over the next 6 years, the Marine Division experienced explosive growth and in 1991 Nissan Marine was separated from Nissan Industrial Equipment into a standalone company.
There are two major variants, based on the location of the motor: [citation needed] Mechanical transmission, which connects a motor inside the ship to the outboard unit by gearing. The motor may be diesel or diesel-electric. Depending on the shaft arrangement, mechanical azimuth thrusters are divided into L-drive and Z-drive. An L-drive ...
A screw turning through a solid will have zero "slip"; but as a propeller screw operates in a fluid (either air or water), there will be some losses. The most efficient propellers are large-diameter, slow-turning screws, such as on large ships; the least efficient are small-diameter and fast-turning (such as on an outboard motor).