goal... Member Member since Jul 28, 2010 Last active Aug 11, 2010 Total activities 0 Activity feed Recent contributions #Threads 15 years ago 94df83c6-8683-4995-8f19-42dcb0739ed4 That's it! As Akkumon says, cone pulley is the answer, cause depending on the speed, the centrifugal force will make the power...