Re: Setting timing

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Posted by TheOldHokie on October 21, 2018 at 14:09:53 [URL] [DELETE] :

In Reply to: Re: Setting timing posted by K.LaRue-VA on October 21, 2018 at 12:34:13:

I think you have a math problem here.

My math says the circumference of a 5.5" pulley is 3.1416 x 5.5" = 17.28".
So 1" of arc length subtends 360 / 17.28 = 20.8 degrees.
Four degrees of arc length would subtend 17.28 / 90 = .192" or just under 3/16"

That may or may not change your conclusion but it does suggest issues with the expected error and reliability of the final measured result.

TOH


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