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Secondary engine balance 3

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Deividas

Automotive
Dec 14, 2014
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Hi! I can't understand, why seconadary forces are 2x per revolution? why from 0deg to 90deg secondary force curve goes down, and from 90deg to 180deg curve goes up? can someone explain?
 
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Correction to an earlier post of mine where I said "Each sine wave is twice the frequency of the previous.
"


Should be "the frequency of each sine wave is a multiple of the fundamental frequency"

Engineering is the art of creating things you need, from things you can get.
 
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