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Re: first time i've seen this happen on a steel fan
Posted to Technical Discussion Forum on 12/12/2019 1 Reply

Given your description of the driver's MO, I would be concerned.

Some mfg publish the maximum allowable fan speed for a given engine RPM. I use a photo-tach to check the fan speed.

In the absence of published data, there is always known-good. Login to read more.

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