On Thu, 2 Dec 2004, jjs wrote:

> "Craig Baker" > wrote in message
> ...
>>
>> As long as the edge of the fan does not exceed the speed of sound,
>> cavitation should not be a problem.
>
> Cavitation isn't an issue but over-reving the fan has one real and one
> arguable downside. First, some fans are just not made well and can 'frag' or
> blow up at high speed. The arguable issue concerns 'stuffing' too much air
> into the system so that it does _not_ improve cooling.

Correct me if I am assuming incorrectly, but would increasing fan
speed with a larger pulley increase the amout of warm/hot air into the
heating system?

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the Grokdoc
Tom Malmevik
all that groks is god
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