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Why ports are not used in 4 stroke engines?
Ports are typically not used in four-stroke engines because these engines rely on a different intake and exhaust process that occurs over four distinct strokes: intake, compression, power, and exhaust. Instead of using ports, four-stroke engines utilize valves to control the flow of air and fuel into the combustion chamber and the expulsion of exhaust gases. This design allows for more precise timing and efficient combustion, making it suitable for a wide range of applications. In contrast, two-stroke engines use ports for a simpler, more compact design, but at the expense of efficiency and emissions control.
Does a two stroke engine have only one valve per cylinder?
Some two stroke engines have 4 valves, Detroit Diesel 71 series and 53 series engines for example. Most small 2 stroke engines have no "Valves" at all in the sense of the "POP" valve used in four stroke engines. Some people feel these engine has one valve because the piston acts as the valve covering the ports cut into the cylinder walls.
Where are two stroke engines used?
Two stroke engines are used in dirt bikes, ATVs, snowmobiles, etcetera. You can find them in most small recreational vehicles like that. A lot of outboard boat motors are also two stroke.
How are two stroke engines lubricated?
Two stroke engines are lubricated by mixing special two-stroke oil in with the petrol.
What is the difference between two stroke and four stroke engines in two wheelers?
The difference between 2stroke engines and 4-stroke engines are pretty much the same regardless of where the engine is used. To read about it, check out the related question below.
Why 2 stroke diesel engines are not used in two wheelers?
Two stroke engines will create a lot of visible smoke pollution and also more noise than four stroke engines. For these reason, many countries have required that all new motorcycles should be four-stroke.
Why four stroke engines used in two wheelers instead of two stroke?
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Are GM General Motors engines two stroke engines?
GM did make 2 stroke diesel engines used in trucks and busses..they were noisy, requierd a super charger to run, loved to drink but very powerful.
What is the name of the two stroke engine cycle?
I think you are looking for a detailed engineering answer. Common usage is that a two stroke engines is called a two stroke engine. By the way my experience says that two stroke engines only have two strokes and the second one is fatal.
What is the difference between a 2 stroke and a 4 stroke lawn mower engine?
Four-stroke engines have a spout where you add oil to the engine. On two-stroke engines, oil has to be added to the fuel. (Four-stroke and two-stroke are also called four-cycle and two-cycle, respectively).
Why two stroke engines are hi-speed engines and four stroke engines are hi-torque engines?
generally , two strokes are smaller capacity , shorter stroke, higher revs. for given engine capacity , long stroke /small bore = high torque / low revs short stroke/big bore = low torque / high revs
What are advantages of two stroke engines over four stroke engines?
There are a couple, less parts for one therefore lighter. Also, 2 stroke engines fire every time the piston comes to the top. Which means every stroke is a power stroke. 4 stroke engines fire every other time.
