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So 'important work' is a total red herring in this context (bikes, in case you forgot), which is far less uniform, critical, and high torque than that irrelevancy you cite.
My hand isn't calibrated. But my brain is paying attention to the shape of the curve on the graph, while the torque wrench only cares about it reaching a certain height.
Pull your head in. Noobs break shit with torque wrenches. I'm a qualified bike mechanic with decades of experience and I don't break shit.
Kimmo-
far less uniform, critical, and high torque
M5 is M5, whether it's on a spaceship or a bicycle stem. Some stuff is lower torque than anything you routinely find on a bicycle, some obviously much higher. I still think something which will break my face if it fails counts as critical. At the high end of bicycle use, the window between not tight enough and too tight is as narrow as it is for anything out there.
No need to respond further, this is an internet forum not an exchange of letters. I'm not trying to persuade you, I'm just making sure people without your "qualifications and experience" have access to both sides of the argument so that they can make an informed decision for themselves.
gbj_tester
Aerospace, automotive, construction, pretty much any precision manufacturing.
You really can't. Your calibrated hand is just guessing how much force you're applying, and like a torque wrench it can't diffentiate the components which make it up.