Re: Motor Speed Control (fwd)

["Tesla list" <tesla@xxxxxxxxxx>]

---------- Forwarded message ----------
Date: Thu, 13 Sep 2007 17:48:56 +1000
From: T476202 A. Wang 2007 <tangara_02@xxxxxxxxxxx>
To: tesla@xxxxxxxxxx
Subject: Re: Motor Speed Control (fwd)

This idea might not work, but how about if you hack an inverter, with 
variable frequency control? That would work fine on an induction motor


>From: "Tesla list" <tesla@xxxxxxxxxx>
>To: tesla@xxxxxxxxxx
>Subject: Re: Motor Speed Control (fwd)
>Date: Wed, 12 Sep 2007 16:48:46 -0600 (MDT)
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>---------- Forwarded message ----------
>Date: Wed, 12 Sep 2007 07:16:32 -0600
>From: Gomez Addams <gomezaddams@xxxxxxxxx>
>To: Tesla list <tesla@xxxxxxxxxx>
>Subject: Re: Motor Speed Control (fwd)
>
>
>On Sep 10, 2007, at 8:42 PM, Tesla list wrote:
>
> >
> > ---------- 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?
>
>Voltage and current ratings of components.
>
> >
> > 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.
> >>
> >>
> >>
> >
> >
> >
>
>...........................................
>pronoia: the sneaking suspicion that people
>are conspiring behind your back to help you
>
>
>
>

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