Or try your local car wreckers. The heater fans are quite powerfull in many
models and run quite happily on 12 volts with hot air as well.

Hope this helps,
Peter
wrote in message
...
On Thu, 24 Mar 2005 03:16:11 GMT, "John S"
wrote:

Can someone suggest a low-current, light-weight, inexpensive 12 volt fan
to
use in the defrost branch of the cabin heat line for clearing up a
windscreen while still on the ground, when ram air from the prop may not
amount to much? thanks

Many hair driers have 12 volt dc blowers in them. I used a pair of
them in my electrified Fiat 128 for defrosters. Used another one for a
motor cooling fan.

When I scrapped the fiat I saved one of them and used it for blowing
up an air-bed for camping.