Author Topic: Why Does a Saw 4-Stroke?  (Read 1675 times)

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Offline Chris-PA

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Re: Why Does a Saw 4-Stroke?
« Reply #20 on: January 02, 2017, 04:59:57 pm »
I looked at the first video of the 2171 which has a couple of short 4-stroke burps, and they all have the same characteristics.  The rpms get high enough and a 1/2rpm spike pops up, only to disappear as soon as the rpms drop again.  They kinda ugly because they are so short, but still clear, and they are exactly 1/2rpm, or every other revolution.

 

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