Ball Loosened, Use Loctite?
From time to time my son or I have to tow bar his 1946 Chevrolet 2 ton rack truck. He uses it for his food catering business. Being it is old it breaks down once a year. So when booked to do a p...
Forum Discussion
babock wrote:
Actually it doesn't if you set the crow's foot to 90°.
Use this calculator to prove it.
http://www.cncexpo.com/TorqueAdapter.aspx
Thing is, the math on that site is wrong, so it "proves" nothing. And, they don't show their work - I can only guess that they're naively and incorrectly using Cos(A) as a factor.
For small offset crowsfoots (feet?), it doesn't make much difference at 90 degrees, so can usually be ignored. But, if you use a longer extension, it does. The change in applied torque is related to the ratio in distance of the original effective lever length, and the actual length with extension in place. Basically, the length of the hypotenuse of the right triangle formed by the wrench and the extension.
