Posted by BarnyardEngineering on July 18, 2016 at 10:48:41 from (40.141.236.244):
In Reply to: DOT?? posted by Geo-TH,In on July 16, 2016 at 05:16:55:
First off, there is a working load limit and a breaking strength for chains and D-rings. 6600lbs may be the working load limit for a G70 3/8" chain, but the breaking strength is 26,400lbs.
Second off, there is not likely to be a "sudden stop" because you will be bigger and heavier than what you hit. More high school physics here. You will "win" most collisions, unless your opponent is at least as large and heavy as you are. Your rig will plow through whatever you hit and you won't even come close to experiencing 30G.
Third off, okay, let's say you hit a bridge abutment at 60MPH and experience a 30G deceleration. You won't care because you'll be dead long before the tractor, whether or not it's still chained to the trailer, mashes the truck flat against the concrete.
You complain that the chains and D-rings aren't up to a 30G deceleration? Ad your truck and trailer to the list.
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