i'll think i'll go with the space vector pwm as it produces about 15% more output voltage than the sinusoidal pwm thanks and i need that to control maximum thrust to fan for the coanda's vtol affect.. but i was after thorium any way!!!! heard recently the moon isn't actually made outta cheese "dam wallace n gromit"" lie'n so n so's,, its more thorium,,,,,maybe i'll just go back to distilled potato skins