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low RPM rumble | 14 comments (14 topical, editorial)
Re: low RPM rumble (3.00 / 0) (#1)
by wooferhound (tim((NoSpamAt))wooferhound.com) on Tue Apr 22nd, 2008 at 05:32:35 PM MST
(User Info) http://wooferhound.com

The voltage that the turbine produces is Alternating Current (AC). The vibration comes from the moment that the coil voltage reaches battery voltage it suddenly has magnetic drag. Since the voltage is AC its voltage will reduce and cross the Zero voltage point. When the voltage goes below Battery Volts then there is no magnetic drag. repeat as necessary and you have vibration

You can't help a single phase machine because all the magnets and coils line up at the same time.
A 3 phase machine is almost vibration free because not all of the magnets are crossing coils at the same time.
W o o f -={(



low RPM rumble | 14 comments (14 topical, 0 editorial)

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