[petek]

>>. I know the outlet needs not be as large as the inlet but I am not sure what sort of inlet/outlet ratio would be appropriate.
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Hmmm... I thought the outlet had to be larger than the inlet in order to have a lower pressure area on the outlet than on the inlet. Hmmm (again) ... or perhaps the inlet has to have a higher velocity of air flow (lower pressure) than the outlet (lower velocity).

Ack! Anybody know for sure?

petek