You will rarely find two stroke engines now a day. If you are running a four stroke petrol engine, then you have to understand that why your engine is superior to a two stroke engine. The following are some listed points to make your concepts clear about the advantages of four stroke cycle engine:
- Firstly, if you think about a two stroke cycle engine, then you have to understand how it completes the cycle. In a two stroke cycle engine, the working cycle is completed in only two strokes. It carries out suction and compression strokes at a time in a stroke, and working stroke and expansion strokes at a time in another stroke. So, it gives only one crankshaft revolution. But, you can achieve two crankshaft revolutions from your four stroke cycle petrol engine.
- A two stroke cycle engine can achieve less compression ratio than a four-stroke cycle engine. So, you will not get satisfactory compression ratio in case of a two stroke cycle engine.
- Thermal efficiency of a two stroke cycle engine is quite less than your four stroke cycle petrol engine.
- Overall performance and efficiency of a two stroke cycle engine is also less than your four-stroke cycle petrol engine.
- A two stroke cycle engine does not pose additional lubrication system as like your four-stroke cycle petrol engine. Thus, the lube oil consumption is comparatively high in a two stroke cycle engine.
- As the brunt gases of a two stroke cycle engine gets less time to exit, they creates harsh sound while escaping from the cylinder.
Friday, November 20, 2015
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