Tying knots in aircraft cable.

Actually, gravity is a constant force.

You know, I actually reread that post this morning and thought that same thing.

More on topic, I don't consider the circus hitch a knot to be used for lifting. When I use it, it's strictly for guylines for positioning things which are being lifted by other means. Just because you *can* do something without hardware in the name of efficiency doesn't mean you *should*.

I'd venture a guess that if anything ever went awry through a rigger's fault or someone else's, the rigger who used rated hardware will have a more robust legal defense than the rigger who did it with knots.
 
I have difficulty reconciling the logic that says even though there is a ANSI standard that says don't use grade 30 chain for overhead lifting that it's OK to do so, and there isn't a standard prohibiting knots in wire ropes in overhead lifting but that isn't OK. I'm not saying I disagree or anyone is wrong, just looking for consistency.
 
You know, I actually reread that post this morning and thought that same thing.

More on topic, I don't consider the circus hitch a knot to be used for lifting. When I use it, it's strictly for guylines for positioning things which are being lifted by other means. Just because you *can* do something without hardware in the name of efficiency doesn't mean you *should*.

I'd venture a guess that if anything ever went awry through a rigger's fault or someone else's, the rigger who used rated hardware will have a more robust legal defense than the rigger who did it with knots.

So your logic is, because you are unfamiliar with something, it is automatically wrong?
 
A jury of my peers doesn't mean it's a jury of competent, objective riggers.
 
You know, I actually reread that post this morning and thought that same thing.

More on topic, I don't consider the circus hitch a knot to be used for lifting. When I use it, it's strictly for guylines for positioning things which are being lifted by other means. Just because you *can* do something without hardware in the name of efficiency doesn't mean you *should*.

I'd venture a guess that if anything ever went awry through a rigger's fault or someone else's, the rigger who used rated hardware will have a more robust legal defense than the rigger who did it with knots.

Perhaps.

The usual legal standard (I think; IANAL) is "generally accepted industry practice"; if something is one, and you can demonstrate that in court, then it *usually* isn't especially strong prosecutorial evidence, if it is at all (you can never predict what, on any given day, a jury is gonna choose to care about).
 
Perhaps.

The usual legal standard (I think; IANAL) is "generally accepted industry practice"; if something is one, and you can demonstrate that in court, then it *usually* isn't especially strong prosecutorial evidence, if it is at all (you can never predict what, on any given day, a jury is gonna choose to care about).

It is true that when there is not statutory law, it is whomever has the better lawyers that prevail, and it may go differently every time.
 

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