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1931 - SAVONIUS ROTOR PUMPING WATER - most efficient means known of getting power from moving air and has been used as a ventilator

SAVONIUS ROTOR PUMPING WATER

E&MP 100.002

Power from Wind

May 13, 1931

The new S-shaped rotor invented by S. J. Savonius of Helsingfors, Finland.

This is the most efficient means known of getting power from moving air and has been used as a ventilator.

A similar rotor can also be used as a tidal motor in which case it always turns in the same direction regardless of whether the tide is ebbing or flooding. Savonius rotor pumping water.


Original Caption by Science Service
© Mechanical Engineering



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