Re: Motor Speed Control (fwd)

["Tesla list" <tesla@xxxxxxxxxx>]

---------- Forwarded message ----------
Date: Sun, 9 Sep 2007 10:28:50 -0700 (PDT)
From: G Hunter <dogbrain_39560@xxxxxxxxx>
To: Tesla list <tesla@xxxxxxxxxx>
Subject: Re: Motor Speed Control (fwd)

A cheap, 600W lamp dimmer always worked well for me. 
I've found that a TRIAC-type lamps dimmer can regulate
any universal-type motor, be it angle grinder, router,
drill, etc.  Doesn't work at all for any type of AC
induction motor, however.

Greg

--- Tesla list <tesla@xxxxxxxxxx> wrote:

> 
> ---------- Forwarded message ----------
> Date: Sun, 09 Sep 2007 01:29:55 -0500
> From: Crispy <crispy@xxxxxxxxxxx>
> To: tesla@xxxxxxxxxx
> Subject: Motor Speed Control
> 
> Hello,
> 
> I'm working on my ARSG, and I'm wondering what kinds
> of things will work
> as speed control for a motor.  I decided that I'm
> going to go with an
> angle grinder motor, if that makes any difference. 
> A variable
> transformer would be best, but they all seem to be
> expensive.  The
> cheapest 5amp variac I can find is on ebay for $50. 
> I've heard mixed
> opinions about using lamp dimmers as speed controls,
> and I'm wondering
> if there's any kind of consensus here about that. 
> Would it be better to
> use something like
> http://home.cogeco.ca/~rpaisley4/x1200WControl.html
> instead of a lamp dimmer?  Or do I really need a
> variac?  If so, does
> anyone know of a cheap source for variacs?
> 
> Thanks,
> Chris
> 
> 
> 
> 
> 



       
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