I was sure the old torque wrench was fine, but a calibration check proved me wrong

For a year, I kept using our shop's older click-type wrench on Cessna 172 wheel bolts, thinking it was close enough. My lead told me to send it out, but I argued it was a waste of time and money. The calibration report came back showing it was off by 15 foot-pounds on the high end, which is a big deal. I had to re-torque every bolt from the last three jobs. Anyone else had a tool they trusted fail a check like that?

3 comments

3 Comments

sarahbailey23d ago

Man, that's a tough lesson to learn the hard way. It reminds me of a buddy who swore by his old multimeter for years, until it gave a bad reading on a live circuit. He fried a whole control board because he trusted the tool over his gut feeling. Makes you wonder how many other things we're just assuming are fine, you know?

derekjenkins23d ago

But what if your gut feeling is wrong? @sarahbailey's buddy might have just had a bad tool, not a good instinct. Sometimes trusting the numbers is the only safe bet.

sam_murphy3923d ago

But come on, 15 foot-pounds on a wheel bolt? Is that REALLY gonna make the thing fall off? @sarahbailey's story is scary, but this feels different. Sometimes we worry too much about perfect numbers.