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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 ...
While Sulzer was well known for its two-stroke engines, in 1931 there was a brief resume of their four stroke diesel engines which had been built alongside the two stroke engines. In 1903 they offered four stroke low speed A-frame style engines from 20 to 800 hp. Enquiries for lighter high-speed engines led by 1911 to forced lubrication four ...
Pages in category "Two-stroke diesel engines" The following 28 pages are in this category, out of 28 total. This list may not reflect recent changes. ...
The shaft of the four-stroke piston rotates twice as fast as the shaft of the two-stroke piston, and the two-stroke part always runs at half speed. This ensures that both parts work optimally regarding fuel consumption at all times. The same principles apply to having two distinct engines, but the design of the M4+2 is much simpler.
In internal combustion engines, a split-single design is a type of two-stroke where two cylinders share a single combustion chamber. The first production split-single engine was built in 1918 and the design was used on several motorcycles and cars until the mid-1950s, although Puch continued producing split-single engines for motorcycles until ...
Boxer crankshaft configuration. Most flat-twin engines use a boxer configuration for the crankshaft and are therefore called "boxer-twin" engines. In a boxer-twin engine, the 180° crankshaft moves the pistons in phase with each other, therefore the forces generated by one piston are cancelled out by the other, resulting in excellent primary balance.
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Pages in category "Two-stroke engine technology" The following 28 pages are in this category, out of 28 total. This list may not reflect recent changes. ...