Re: Motor Speed Control (fwd)

["Tesla list" <tesla@xxxxxxxxxx>]

---------- Forwarded message ----------
Date: Thu, 13 Sep 2007 16:36:44 -0700
From: Barton B. Anderson <bartb@xxxxxxxxxxxxxxxx>
To: Tesla list <tesla@xxxxxxxxxx>
Subject: Re: Motor Speed Control (fwd)

Too expensive.
Bart

Tesla list wrote:

>---------- 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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