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[AMPS] Fan

To: <amps@contesting.com>
Subject: [AMPS] Fan
From: stevek@jmr.com (Steve Katz)
Date: Fri, 5 Oct 2001 14:31:14 -0700
Xu, air flow volume is not based on voltage or current, but on
cross-section, blade pitch and design, and rotational speed.

Most all fans have a label indicating the manufacturer and model number;
it's usually best to contact them for a full data sheet.  Usually the sheet
will include plots of air volume vs. back pressure, which is important to
know when cooling an external anode tube.

WB2WIK/6

"Each success only buys an admission ticket to a more difficult problem." --
Henry Kissinger

> -----Original Message-----
> From: Xu [SMTP:salers@hamal.freemail.ne.jp]
> Sent: Friday, October 05, 2001 2:32 PM
> To:   amps@contesting.com
> Cc:   homebrew@qth.net
> Subject:      [AMPS] Fan
> 
> 
> Hi!
>   I have many square fans,some of them are in 220AC,some of them in
> DC12V,could some tell me how to cauculate the LPM(litre per minute) depone
> on the current of 220V AC and DC12V?I have a pair 30W AC Fan,can use in a
> Chinese FU-100F(4CX1000)?I have a Chinese Military 1.6KW HF SSB
> transmitter(use a FU-100F),but origional fan is to noisy.
>      73! de Xu
> 
> 
> --
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