MAN ES screws down on propulsion efficiency

Propellers are now just about as efficient as they can get, believes Jens Ring Nielsen, a senior technical engineer for MAN PrimeServ in Denmark.

Combining a Kappel propeller with a rudder bulb is always effective, according to Jens Ring Nielsen (Image: MAN ES)

Propellers are now just about as efficient as they can get, believes Jens Ring Nielsen, a senior technical engineer for MAN PrimeServ in Denmark.

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