On Wed, 22 Jun 2005 02:08:21 +0200, Bill Maxwell <wrmaxwell@...>
wrote:
You could try a "poor man's frequency converter" which basically allows a
positive halfwave to go through, then waits, then lets a negative through,
waits, positive, etc.. But usually they do not speed control without a
frequency converter which is rather pricey even used.
ST
wrote:
>Those small geared motors are often AC syncronous.
> On the motor speed question i would be tempted to first try electronic
> control and resort to gear changing only if that failed to get an
> adequate
> speed reduction.
> Bill
You could try a "poor man's frequency converter" which basically allows a
positive halfwave to go through, then waits, then lets a negative through,
waits, positive, etc.. But usually they do not speed control without a
frequency converter which is rather pricey even used.
ST