Hi

dear mister I'm looking for a low speed generator the power is 600watt and the rpm 80,for the moment I make test with a Ginlong generator 1800watt at 400 rpm I use a multiplicator with a ratio 7.8 so I thing I can not take all the energy from the wind ,I have to mutch inertia ,the test turbine is to litle and the turbine with this big alternator start only with 3.5m/sec its a model vertical with the blade who turn at 1/2 rpm that the rotor and the dimention from the test model is 180 cm large and 96 cm higth the 5 blades are now 60cm large .if sombody have one idee for me of the name where I can find this low speed generator?

http://www.youtube.com/watch?v=f-ixAoelEjM here you can see the test turbine at the ground with the 5 blade 84cm large

thank you

luc