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Re: Can you calculate engine rpm with a scope ?
Posted to Technical Theory Forum on 9/2/2017 1 Reply

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Shannon, good day. 120/t; t = time in seconds for complete cranking cycle of the four stroke engine. To illustrate 120/.15 = 800 RPM. The long form of my formular = 60*2/t = 120/t. In this example I ... Login to read more.

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