Just completed and bench tested a dual rotor generator with good results. Produced 41.5 volts DC @ 980 r.p.m. A volt to r.p.m. ratio of 0.0423. Stator casted in fibreglass resin and contains 9 coils, 44 turns each from 14 ga copper wire. Magnets (12) Neodymium N42 Grade. http://www.facebook.com/album.php?aid=1253&id=100000266284792&l=a2197f3134