Design of a Variable Compression Internal Combustion Engine

Finnegan, Liam Robert; Schimmel, Quinton W.

Student Work

Design of a Variable Compression Internal Combustion Engine Public

The purpose of this project is to design a single cylinder internal combustion engine to be used by the Mechanical Engineering Department at WPI for in-class demonstrations. The engine is designed so that it is easily reconfigurable for different operating parameters, and able to function with a compression ratio and ignition timing that can be adjusted while the engine is operating. The final result of this project is accurate drawings of all the components unique to this engine so that a future team can manufacture and assemble it; this includes the mechanism that adjusts the cylinder height to change the compression ratio, the crank case, and the valve train that maintains consistent valve timing as the compression ratio is varied.

This report represents the work of one or more WPI undergraduate students submitted to the faculty as evidence of completion of a degree requirement. WPI routinely publishes these reports on its website without editorial or peer review.

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