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[AMPS] Re: Blower

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Subject: [AMPS] Re: Blower
From: (frank ayers jr)
Date: Sun, 28 Feb 1999 16:48:08 -0500
>Sub-1800 rpm blowers have a much lower cut-off static pressure
>(0.42 and 0.59, vice 0.80 for the 4C443 and 1.04 for the 4C446).
>The 2200 rpm 4C006 looks like an attractive alternative with a 4 inch
>wheel and 1.58" cutoff static pressure.  Might be interesting to try
>this one as an alternative to the higher rpm blowers.   It does have
>a note that it must be operated with no less than 0.5" of
>backpressure, a little blockage of the blower outlet would increase 
>the backpressure if needed.

I've used a 4C006 and it's fine, although the back pressure is.65 in
so I have no idea what would happen if it were lower. Another interesting
looking one is the 2C646 - 12v motor 1875 RPM and cut off of 1.33 in.


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