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<font face="Arial">The easiest motors to speed control are DC
brushed. Not brushless, WITH brushes. Speed/direction control is
simple. If you have a DC dimmer that works at the motor voltage,
you're there. Add a DPDT relay to a second channel on the dimmer
set to non-dim and you have direction control.<br>
<br>
For small motors that spin fast with little torque, look at N-20
size. For slow with power, that same N-20 with a gearbox works
well. I recently designed one into a product and have to run the
motor at way lower than full power so it doesn't break anything.<br>
<br>
For fast, higher torque look for drone motors.<br>
</font><br>
<div class="moz-cite-prefix">On 08/26/2016 12:42 PM, Jon Ares via
Stagecraft wrote:<br>
</div>
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cite="mid:CAN1Z+zZ43rmKCE_h9VDV0-LVUN8vXKfaGHb_31ZhQr7G5KKJDA@mail.gmail.com"
type="cite">
<pre wrap="">Howdy folks... I'm contemplating a gag with a spinny dial thing,
driven by a lightweight DC motor, ideally PWM-controlled.... not much
in the way of strength needed (it's not moving any people, scenery,
etc - just spinning dials). Think clock motor... but no need for
indexing or such.....
What am I looking for?
Again, something with little power/torque, but ideally
speed-controllable. And cheap.
TIA....
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<br>
<pre class="moz-signature" cols="72">--
Jerry Durand, Durand Interstellar, Inc.
<a class="moz-txt-link-abbreviated" href="http://www.interstellar.com">www.interstellar.com</a>
tel: +1 408 356-3886
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