7, No. 1, January to June 2013 PERFORMANCE ANALYSIS OF A HELICAL SAVONI... Abstract: Helical Savonius rotor exhibits better performance characteristics at all the rotor angles compared to conventional ...

Roto Pumps ltd solar pump orders ... In South Africa, the Company will supply 100 units of solar submersible helical rotor and centrifugal pumping sets and in Australia, the Company will supply ...