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Re: [oletrucks] Voltage reducer

To: Bill Bailey <billb@gamewood.net>
Subject: Re: [oletrucks] Voltage reducer
From: Bruce Damen <little-castle-contracting@cadvision.com>
Date: Tue, 21 Dec 1999 18:53:14 -0700
so if you conected a ohm meter on the two wires on the fan would that give you 
your resistance.  or one wire to ground of the motor casing...is that the 
resistance of your fan motor?
not an electrician ,  how do you figure out what amp of motor you have as 
well???

Bill Bailey wrote:

> It's probably working right, hot is a very subjective term but they do get 
>exteremely warm.  Amp draw on my fresh air (a 12 V motor) was about 4 amps as 
>I recall. That's 16 watts when drawn through a 1 ohm resistor. That'll get 
>your attention.  Your motor is a 6 V which means it would draw more than mine. 
>If we use mine as a reference and assume that they all present about the same 
>load (somewhat of a leap of faith) then yours would draw 8 amps (mine =12V x 4 
>amps for 48 watts so yours would be 6V x 8 amps for 48 watts. That would mean 
>the 1 ohm would dissipate about 64 watts ( 8amps x 8amps x
> 1ohm). If your reducer has a greater rating than that you are ok. But even so 
>it would be like putting your hand to a 60 watt light bulb..HOT!!
> For more on this type of thing you can see my webpage which has an 
>electricity section that explains this in more detail.
> http://members.tripod.com/~oltruck
>
> Bill
>
> Samsred72@aol.com wrote:
>
> > I have a question pertaining to reducing the voltage to the heater motor. I 
>have a reducer in the line now that looks like a long cylindrical and hollow 
>ceramic tube. It states on it... Clarostat VP-50-K 1ohm. If this is the proper 
>reducer it seems to be working improperly. As the fan is drawing current this 
>reducer gets hot enough to burn you quickly. I don't think it is heavy enough 
>to carry the amps required by the motor. If so, can anyone tell me the amp 
>draw of the "fresh air heater" motor so that I can get the proper reducer 
>without taking off the cover... it's cold out side ya know?
> >
> > Sam
> > '49 3100 Chevy
> > oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
>
> --
> Bill Bailey
> 57 Chevrolet 3100
> http://members.tripod.com/~oltruck/
>
> oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959

oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959

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