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Badpuppy · 04-06-2021, 01:02 PM

Looks backwards to me - smooth side should be towards rear. Will pull air either way though. Aluminum blades are less likely to fatigue and fly apart; two blades are enough.

04-06-2021, 01:02 PM	#3
Badpuppy Senior Member Join Date: Dec 2017 Location: Guthrie, OK Posts: 1,145	Re: Fan Blade orientation Looks backwards to me - smooth side should be towards rear. Will pull air either way though. Aluminum blades are less likely to fatigue and fly apart; two blades are enough.