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Tinker · 02-18-2019, 10:02 PM

I'd think a larger blade with less blades would be better. Sometimes less is more.

To some, 2 blades push more air then 6 blades. RPMs considered. More blades, more air to impede. Just a thought. 4 blades should be plenty to move air. Planes have used 2 blades for ever. Granted later 4 blades, and the new stuff is like almost turbine.

02-18-2019, 10:02 PM	#8
Tinker Senior Member Join Date: May 2010 Location: MN Posts: 7,053	Re: 6 blade generator mounted fan on a '32 I'd think a larger blade with less blades would be better. Sometimes less is more. To some, 2 blades push more air then 6 blades. RPMs considered. More blades, more air to impede. Just a thought. 4 blades should be plenty to move air. Planes have used 2 blades for ever. Granted later 4 blades, and the new stuff is like almost turbine.