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Re: speed control

To: shop-talk@Autox.Team.Net
Subject: Re: speed control
From: (Dave Williams)
Date: Thu, 22 Jan 1998 11:06:00 -0500
-> What about departing from electric motors and going to a hydraulic or
-> pneumatic motor?

 Uuhh... I think the idea sucks, mostly because I didn't think of it

 Seriously, I'd considered pneumatic, but the few air motors I saw
listed in my surplus catalogs were far smaller than I needed and
consumed a lot of air.

 I hadn't considered hydraulic at all, though.  I am negotiating for a
used variable speed DC motor setup now; if it falls through, or isn't
powerful enough, hydraulic drive would certainly be an option.
Hydraulic motors are relatively inexpensive, and I already have a
hydraulic power pack on the to-do list; an automobile power steering
pump driven by a motor.  If I can match an inexpensive hydraulic motor
to the pump's displacement it should work fine.  I could control the
speed with a bypass valve.  Hmm...

 I'll keep that solution in mind, though.  I should've thought about it
myself - I was just down at my favorite steelyard the other day admiring
their new 48" band saw, which is hydraulic driven.
  can you help me get out of this place?...slow sedation...
ain't my style, ain't my me a number...NINE, SEVEN, EIGHT
==5.0 RX7 -> Tyrannosaurus RX! == SAE '82 == Denizens of Doom M/C '92==

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