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12V fan source?



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