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Which engine is powerful: Tow storke engine or four storke engine? And why?

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Question ajoutée par Essam Eldein Mohammed Salih Satti , Mechanical Maintenance Engineering , Bashayer Pipeline Company
Date de publication: 2017/05/02
AHMED ABDALLAH
par AHMED ABDALLAH , owner and manager , International Marine Office

two stroke

this engines slow speed and big hp up 5000 hp to 20000 hp as main marine engine and power plants

Shaik Mohammad Khazar
par Shaik Mohammad Khazar , Graduate Production Supervisor , Nissan Motor Manufacturing UK Ltd

2 Stroke engines are more powerful that 4 stroke engines.

Why? Because 2 stroke engine produces power on every rotation of the crankshaft compared to every 2 rotations of the crankshaft in 4 stroke engine. So theoretically, 2 stroke engine produces double the power for every cycle compared to 4 stroke, but then 2 stroke engines are less fuel efficient and produce low torque at low RPMs

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