Four-Stroke Cycle Engine:
- In this Turning movement is non-uniform, a Heavier flywheel is used.
- Initial stage cost is high.
- Volumetric efficiency is high due to Induction time is more.
- Small Power is produced for the same size as the engine to two-stroke.
- There is less in tear and wear.
- It requires less lubrication system
- It requires less cooling system.
- Thermal efficiency is high in four strokes.
- Efficiency increases the use of the Four-stroke engine.
- This has valves.
Two Stroke Cycle Engine:
- Due to the uniform turning movement Lighter flywheel is used.
- Initial stage cost is Low.
- Due to Induction time is less Volumetric Efficiency is low.
- High power is produced for the same size of the engine.
- High in tear and wear rate.
- It requires high cooling system.
- It requires high Lubrication system.
- Less in thermal efficiency.
- It is used where there is less efficiency consider, like small vehicles.
- It has ports.
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