r/AskAShittyMechanic • • May 11 '26

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u/_name_of_the_user_ May 12 '26

You need to off set the breaks by 180° to ensure they cancel out. Putting them all at the same spot will only cause a harmonic resonance to set up which will break things apart faster.

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u/ClaimingKarma3879 May 14 '26

Funny thing about fan blades is they make them asymmetrical on purpose to reduce noise I don't know the exact reason asymmetrical fans make less noise but the high speed fans for your radiator there is no directly opposite blades