• [Engineering question] Noise reduction
    1 replies, posted
I bought these crappy party lights and they make an insane amount of noise when I switch it on. I've been trying to lower the noise but I can't for the life figure out how. The engine itself isn't that loud. As soon as I hook up the second wheel it just starts rattling(after the third it's even louder). https://i.imgur.com/zFriUT2r.jpg Anyone have any idea what might be causing it? I've already tried lubricating, but no dice.
Is the alignment good? I imagine if it were off it would cause that.
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