Re: Motor Speed Control (fwd)

["Tesla list" <tesla@xxxxxxxxxx>]

---------- Forwarded message ----------
Date: Mon, 10 Sep 2007 12:51:11 -0500
From: Crispy <crispy@xxxxxxxxxxx>
To: Tesla list <tesla@xxxxxxxxxx>
Subject: Re: Motor Speed Control (fwd)

Thanks for the replies.  That router speed control looks interesting ...
how does it work?  I'm sure it's not a variable transformer, but if it's
solid state, how is it better than a normal lamp dimmer?

Thanks,
Chris

On Mon, 2007-09-10 at 07:58 -0600, Tesla list wrote:
> ---------- Forwarded message ----------
> Date: Mon, 10 Sep 2007 08:44:16 -0400
> From: Daniel Kline <daniel_kline@xxxxxxxxxxx>
> To: Tesla list <tesla@xxxxxxxxxx>
> Subject: Re: Motor Speed Control (fwd)
> 
> 
> 
> Tesla list 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?
> 
> I would suggest a router speed control, such as 
> http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=43060
> 
> Hope this helps,
> Dan K.
> 
> 
>