Does Tie Down Angle Change WLL?

Tyvm, those are great diagrams.

 

Don't think too much about hauling coils...

 

Meaning....

 

For some reason, they seem to be fixated on WLL as a variable based on tension angle. This does not match to down force. Maximum clamp would be 90 degrees, and reduce as the angle goes lower. Clamp force of 45 degrees would be less than 90 degrees. This has nothing to do with the WLL, or break point for any securement.
If you have a strap with a 10k break point, clamp at 90, 60, 45, or 30 degrees has little impact on that break point.

 

Great diagram but, it shows line load not WLL.

 

To answer your question..... NO, angle of the chain or sling / strap will not change the WLL of chain / sling / strap being used.

What will change, is the simple fact that you will need a chain / sling / strap with increased WLL, to lift the same weight at a increased angle. Breaking strength is breaking strength no matter what the angle.

 

Do you think they might be somehow related?

 

Nope, WLL and line load are 2 different things.

 

Well I can’t argue with that solid logic. I hope you’re a driver and not a rigger.