Amps
[Top] [All Lists]

[AMPS] How to slow down blower ?

To: <amps@contesting.com>
Subject: [AMPS] How to slow down blower ?
From: measures@vc.net (Rich Measures)
Date: Sun, 24 Jan 1999 09:42:31 -0800


>
>
>
>On Sun, 24 Jan 1999 10:29:53 -0500 Bob Dodson WB5APD EM84ak
><wb5apd@stc.net> writes:
>>
>>Hi all;
>>
>>      What is the best way to slow down a 117vac blower. Have lots of air
>>could use a little less noise. Lamp dimmer will work but think the 
>>motor would overheat that way.
>
>Dentron, Amp Supply used a series resistor to provide a 2 speed effect
>with muffin fans. I see no reason why it will not work on a blower. I
>would start with something around 300-500 Ohm 25-50W adjustable wirewound
>and experiment. Just be sure that the final value permits reliable
>starting.
>
?  Shaded pole motors can be slowed with a series resistor, however, 
capacitor-run motors should not.  


Rich...

R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures  


--
FAQ on WWW:               http://www.contesting.com/ampfaq.html
Submissions:              amps@contesting.com
Administrative requests:  amps-REQUEST@contesting.com
Problems:                 owner-amps@contesting.com
Search:                   http://www.contesting.com/km9p/search.htm


<Prev in Thread] Current Thread [Next in Thread>