Changed my mind about torque wrenches after a gearbox job on a King Air 200

Always thought my old beam-style Snap-On was fine, but I borrowed a digital CDI model from a guy at the hangar in Wichita last month. The difference was night and day when I torqued the prop bolts to 350 inch-pounds and got zero creep on the reading. That precision saved me from a potential leak at the seal flange, and now I'm saving up for my own. Anyone else switch types and notice a big difference in your checks?

3 comments

3 Comments

alice_allen52d ago

Funny enough, I had a similar wake-up call but mine involved a torque wrench that was older than me. My dad's old beam-style unit decided to quit being accurate right when I was torquing cylinder base nuts on a Continental engine. Ended up over-torquing three of them before I realized something was wrong. A digital one would have saved me a lot of cussing and a fresh set of gaskets. Now I just tell people my torque wrench has a better sense of timing than I do.

anthonynelson2d ago

Yeah, that beam-style accuracy drift gets you every time especially with the older ones.

wader712d ago

Man, I feel your pain on that one. There's nothing quite like the moment you realize you've been fighting a ghost (or a lying tool) while doing something critical. Over-torquing cylinder base nuts is a special kind of heartbreak, especially when you've got to pull it all apart and buy fresh gaskets. I had a similar situation with an old Craftsman multimeter that would read 12 volts on a dead battery, made me chase a phantom electrical gremlin for two whole days. It's like the old tools get a personality right when you need them to be boring and predictable.