At 12:53 PM 7/12/98 +0100, Tony wrote:
>>
>> A plastic box with a blower and a HEPA filter from one of these new vacuums
>> to put clean air in the box at positive pressure. The front would be
clear
>> with rubber gloves to allow reaching in. level of clean can easily
excees
>> class 100. Adaquate for sophisticated drive repairs.
>
>Yes, that's the sort of thing.....
>
>However, a book on metal casting at home (did I mention I have other
>insane interests...) mentions that vacuum cleaner motors produce a
>reasonable pressure, but not that much air flow. It suggests a better
>choice is a car heater fan motor. Those are also easy and cheap to get,
>of course.
I had been considering a range hood. The ones with a squirrel cage fan
pull an lot of air and they aren't as noisy as the propeller type fans.
Joe
Received on Sun Jul 12 1998 - 21:07:03 BST
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