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Two-stroke engines which use crankcase compression do not require a crankcase ventilation system, since all of the gases within the crankcase are then fed into the combustion chamber. Many small four-stroke engines such as lawn mower engines and electricity generators simply use a draught tube connected to the intake system.
The American Academy of Pediatrics recommends that children be at least 12 years old before they are allowed to use a walk-behind lawn mower and at least 16 years of age before using a riding mower and that they "should not operate lawn mowers until they have displayed the necessary levels of judgment, strength, coordination, and maturity". [28]
Starting a Lazair II ultralight aircraft's JPX PUL 425 engine, equipped with a recoil starter. A rope start device housed in a Nose bullet of a Junkers Jumo 004 turbojet.. Rope start (also called pull start [citation needed] or rewind start [citation needed]) is a method of starting an internal combustion engine, usually on small machines, such as lawn mowers, chainsaws, grass trimmers ...
Crankcase dilution occurs when the fuel oil from the engine gets into the lube oil of the engine. This can be caused by the walls being wetted due to the fuel condensing in the cylinder. If the engine is cold, or there is an excess amount of cooling around the cylinder, [ 1 ] the fuel oil will condense and have a higher chance to end up in the ...
The most basic carbureted engines, such as single cylinder Briggs & Stratton lawn-mower engines, feature a single small throttle plate over a basic carburetor with a single venturi. The throttle is either open or closed (although there is always a small hole or other bypass to allow a small amount of air to flow through so the engine can idle ...
The driver accused of killing NHL star Johnny Gaudreau and his brother faces more severe charges under a new indictment.. Sean M. Higgins, 44, is accused of aggravated manslaughter and other ...
An early documentation of the design occurred sometime between 1174 and 1206 AD in the Artuqid State (modern Turkey), when inventor Al-Jazari described a machine which incorporated the connecting rod with a crankshaft to pump water as part of a water-raising machine, [8] [9] though the device was more complex than typical crank and connecting ...
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