Subject: 12V fan source?

From: [email-masked] (Nick Pine)
Date: 16 Mar 1995 10:39:53 -0500

Would anyone know of a place to buy a nice, reliable, low-speed, inexpensive
12 VDC fan, 12-16" in diameter, rated for about 1000 cfm? Something like a
12 V window fan...

Auto radiator fans come to mind, but it seems to me that they are high
speed and not too efficient. Norman saunders says that the efficiency
of a fan is about the same as its diameter in inches...

Nick

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From: [email-masked] (Nick Pine)
Date: 17 Mar 1995 10:26:16 -0500

David Stockton  <[email-masked]> wrote:
>
>    Oh dear!  What happens if I build a 200 inch fan (with 200%
>efficiency?) and use it to blow a wind generator powering the fan ?

Good idea, David :-) Just don't talk about this in alt.solar.thermal.

Nick