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Otter-Messer Mercator K55K "Kaiser Wilhelm" folding pocketknife. The Mercator K55K is a type of pocketknife produced in Germany since around 1867. Mercator knives were primarily produced by Hy. Kauffmann, which was operational from 1856 to 1995. [1] The Mercator K55K knife is still produced in Germany by Mercator, now a division of Otter-Messer.
Around 1918 the first two-stroke engine was developed to motorize the tamper. The plant expanded across from the railway system in nearby Pinneberg. The tamper machine was sold to Krupp in 1922 to concentrate on motors for motorcycles and small trucks. 1927 a bicycle auxiliary motor was developed and, in 1929 two-stroke ILO engines for ...
Animation of a two-stroke engine. A two-stroke (or two-stroke cycle) engine is a type of internal combustion engine that completes a power cycle with two strokes of the piston (one up and one down movement) in one revolution of the crankshaft in contrast to a four-stroke engine which requires four strokes of the piston in two crankshaft revolutions to complete a power cycle.
The M4+2 engine, also known as the double-piston internal combustion engine, is a type of internal combustion engine invented by Polish patent holder Piotr Mężyk. [1] The M4+2 engine took its name from a combination of two-stroke engines and four-stroke engines. The two-stroke combustion engine is characterized by a simple construction and ...
Joseph Day (1855 – 1946) is a little-known [1] English engineer who developed the extremely widely used crankcase-compression two-stroke petrol engine, [1] [2] as used for small engines from lawnmowers to mopeds and small motorcycles.
A stroke is the action of a piston travelling the full length of its cylinder.In a two-stroke engine, one of the two strokes combines primarily the intake stroke and the combustion stroke, while the other stroke primarily combines the compression stroke and the exhaust stroke, though technically since both ports are exposed during both the combustion and compression strokes, some reversion ...
The 2si 460 is a family of in-line twin-cylinder, two-stroke, single ignition, aircraft engines that were designed for ultralight aircraft. [1]The basic engine was originally designed and produced by ILO-Motorenwerke of Germany and was later acquired by the AMW Cuyuna Engine Company of Beaufort, South Carolina and marketed under the Cuyuna brand name.
His understanding of gas flow and resonance enabled him to make the first engine to achieve 200BHP/litre with his 1961 125cc racer. [1] His motorcycle engines were ridden to 13 Grand Prix victories and a further 105 podium finishes between 1955 and 1976. [2] Walter Kaaden was born in Pobershau, Saxony, Germany.