Thread: 63.5mm HE351ve
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Old 11-20-2017, 01:44 PM   #21
Smokem
 
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Name: Smokem
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Join Date: May 2006
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The wheel doesn't grab the air, it creates an area of low pressure behind the leading edge of the main blade. The diffuser size and shape can have a large impact on the overall rise in pressure.
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