Historically two stroke engine petrol engines find wide applications in construction of two wheelers worldwide, however due to stringent environmental laws enforced universally; these engines are fading in numbers. In spite of the tight norms, Internationally these engines are still used in agriculture, gensets etc. Several designs of variable compression ratio two stroke engines are commercially available for analysis purpose. In this present investigation a novel method of changing the compression ratio is proposed, applied, studied and analyzed. The clearance volume of the engine is altered by introducing a metal plug into the combustion chamber. This modification permitted to have four different values of clearance value keeping in view of the studies required the work is brought out as two sections. This paper deals with the design, analysis testing at different compression ratios, modification and engine fabrication. It is observed that the increase in compression ratio improves fuel efficiency and power output. The novelty in this work is to permit the two wheeler driver to change the compression ratio
Comments: 9 Pages.
[v1] 2012-08-19 10:55:39
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