how to draw and make gorlov helical turbine 0.8m long ? Daca legenda 22 Mar, 2016 10:31 PM I just can find the correct angle and length of the blade pls help
how to draw and make gorlov helical turbine 0.8m long ? Daca legenda 22 Mar, 2016 10:31 PM I just can find the correct angle and length of the blade pls help