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Headquarters A Mercury 50 HP outboard motor circa 1980 Six cylinder two-stroke engine in 1984. Mercury Marine is a marine engine division of Brunswick Corporation headquartered in Fond du Lac, Wisconsin. The main product line is outboard motors.
Mercury Marine, Mercury Racing, Tohatsu, Yamaha Marine, Nissan and Evinrude each developed computer-controlled direct-injected two-stroke engines. Each brand boasts a different method of DI. Fuel economy on both direct-injected and four-stroke outboards measures from a 10 percent to 80 percent improvement compared with conventional two-strokes.
Evinrude Outboard Motors was a North American company that built a major brand of two-stroke outboard motors for boats. Founded by Ole Evinrude in Milwaukee , Wisconsin in 1907, it was formerly owned by the publicly traded Outboard Marine Corporation (OMC) since 1935 but OMC filed for bankruptcy in 2000.
[2] The one-man helicopter was designed to be lightweight and simple. The airframe is made of welded aluminum tubing. The rotor blades have wooden cores with fiberglass surfaces. The engine is a Johnson outboard marine engine. The transmission used rubber belts. The Gizmo has demonstrated low autorotation sink rates of 1200 ft/min.
Hurricane was also advertised at 10 hp*, way below the actual horsepower developed, Mercury noted this asterisk by stating that horsepower varies with rpm; really the Hurricane could deliver up to 18 hp. Dubbed "Super" because they were superior in horsepower to other 10 hp outboards. Shortly after the introduction of the Hurricane, Mercury ...
Two-stroke engines often have a higher power-to-weight ratio than a four-stroke engine, since their power stroke occurs twice as often. Two-stroke engines can also have fewer moving parts, and thus be cheaper to manufacture and weigh less. In countries and regions with stringent emissions regulation, two-stroke engines have been phased out in ...