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ICE theory Cheat Sheet (DRAFT) by

Internal combustion engine theory

This is a draft cheat sheet. It is a work in progress and is not finished yet.

Power and Torque versus Engine Speed

  

Maximum BMEP

- The maximum bmep is obtained at wide open throttle at a particular engine speed
- Closing the throttle decreases the bmep
- For a given displa­cement, a higher maximum bmep means more torque
- For a given torque, a higher maximum bmep means smaller engine
- Higher maximum bmep means higher stresses and temper­atures in the engine hence shorter engine life, or bulkier engine.
- For the same bmep 2-strokes have almost twice the power of 4-stroke