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Thanks for the great post about how to use the laser tach!

It is regrettable that MTD could not be more helpful. I have a mtd walk behind and a laser tach. It is only powered by a 5hp Tecumseh, but if you would like I could try to take similar measurements on my machine [no I haven't done this yet]. Please let me know.

Would it perhaps be easier to get impeller RPM through the discharge chute [wearing safety glasses of course] , or would this need to be divided by the number of blades?


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