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sandeephaldar
Jun 18, 2008, 09:06 PM
What is the basic difference between propeller and impeller?:confused:

rsain2004
Jun 18, 2008, 09:42 PM
The way I was taught, "Propel" means "push", and "Impel" means "pull". Both work by creating a pressure difference from one side to the other. A centrifugal pump impeller, a helicopter rotor, and an aircraft or boat propeller all work by creating a pressure deference from one side to the other.