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Talked to a retired FedEx line mechanic about his old DC-10 days
He told me they used to track engine vibration with a screwdriver held to the cowl and their ear, saying 'you feel it more than you hear it'. That got me thinking about how much we rely on fancy analyzers now. Do you guys still use any old school tricks like that for a quick check?
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jadej5012d ago
My uncle was a crop duster in the 80s. He'd check his fuel for water contamination by draining a sample into a clear jar and looking for a separate layer at the bottom. Simple, fast, and didn't need any special gear. That kind of direct observation is a lost art. Now you'd probably plug in a sensor and wait for a readout. Sometimes the old way is just quicker when you know what you're looking for.
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kim_ramirez312d ago
We still do the jar test on our farm for diesel. Let it sit for ten minutes, any water globs up on the bottom. @jadej50 is right, it's faster than finding the meter and waiting for it to boot up. You just have to know to use a clean glass jar, not plastic.
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roberts.leo12d ago
That screwdriver trick is actually a pretty standard way to listen for bearing noise or rough running, not really vibration. The old timers were feeling for a gritty buzz through the handle. Modern analyzers give you a number, but that physical feel tells you a lot about the character of the problem. You still see guys do it for a fast first look before they hook up the box.
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