Hallo,
hat schon mal jemand den Rahai Rotor getestet?
Für 7 - 9 m steht im Bericht:
The optimized wind turbine provided higher power coefficients over a broad operating range.
The characteristic of providing power at much higher tip speed ratios potentially increases
the total power produced by the turbine. The optimized wind turbine provided optimum
power at a tip speed ratio of 1.6. This is 60% faster than the Savonius wind turbine. For this
reason the redesigned turbine provides 60% more power than a Savonius turbine operating at
a tip speed ratio of 1.0. Coupled with the approximate 33% increase in the power coefficient,
the new design could produce over twice the power of the conventional Savonius wind
turbine under comparable conditions.
Ich werde das Profil mal zeichnen, dann einfach als Schlitz in runde Scheiben fräsen, und ein Blech oder Kunstoff einschieben. Ok die Profiltieefe geht dann verloren. Sollte aber nicht so viel ausmachen.
Grüße
Rainer