HEY AJ..u think he should of used a chain also.? - Page 2 - Great Lakes 4x4. The largest offroad forum in the Midwest

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Old March 15th, 2008, 01:37 PM   #21
steveo
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did it fly back and hit something like a strap does?
i was pulling straight up, and there was a LOT of weight on the trailer. the chain parted and half of it went straight up and the other half hit the bed of the trailer.
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Old March 15th, 2008, 01:38 PM   #22
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It was just chain w/ no strap.
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Old March 15th, 2008, 01:50 PM   #23
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in order for a chain to snap back something has to stretch then un-stretch. It flies back on the un-stretch part. I know metal can recoil a little. This makes me think about the differences between chain grades and how much they stretch before breaking.

The chains I have broken have fallen to the ground. both were 3/8 grade 5 chains.

anyone know about these types of things?

the harder they are, the less they stretch right? they just break?
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Old March 15th, 2008, 02:27 PM   #24
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We use chains at work for moving equipment with an overhead crane. One of my co-workers had the hook at a bad angle and the hook bent and broke free. the chain jumped about a foot, but the real danger was the equipment (de-coiler reel, weighs about 5 tons) dropped on one corner and almost rolled over (top heavy).
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Old March 15th, 2008, 06:00 PM   #25
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Yea I've broken two chains. The first one the I was using a running start behind an f-150The way I had it hooked it came back at the truck and slapped the tailgate. The reason broke was because of how I hooked it (sharp corner). I could have done more dammage with a ball peen hammer than I did with the chain at 15mph.

The second chain was between a stump and a 2.5 ton GMC dumptruck. The chain stretched before it broke and is now a 22ft chain (was a 20ft chain). That one didn't even take out the bus windows that were behind it or come back at the dump truck.

Both were grade 70/80 transport chains that you can get at tractor supply.
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Old March 15th, 2008, 07:43 PM   #26
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Yea I've broken two chains. The first one the I was using a running start behind an f-150The way I had it hooked it came back at the truck and slapped the tailgate. The reason broke was because of how I hooked it (sharp corner). I could have done more dammage with a ball peen hammer than I did with the chain at 15mph.

The second chain was between a stump and a 2.5 ton GMC dumptruck. The chain stretched before it broke and is now a 22ft chain (was a 20ft chain). That one didn't even take out the bus windows that were behind it or come back at the dump truck.

Both were grade 70/80 transport chains that you can get at tractor supply.
so one came back and one didn't. Sort of odd for two similar chains to act different ways.

Any other experiences?
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Old March 15th, 2008, 07:52 PM   #27
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Originally Posted by fukkinrizzo View Post
so one came back and one didn't. Sort of odd for two similar chains to act different ways.

Any other experiences?
Well in the first case a link failed before the links yeilded, So they unloaded kinda like a really cheap winch cable would. I remember looking at the "damage" the chain did and thought that I might have done more if I used the chain as a whip or a flail.

The second case the chain links were stretched past the point of yeild and then one failed. In that case if the chain is stretched out I can pick it up off the ground like a very heavy fishing rod.
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Old March 15th, 2008, 08:02 PM   #28
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I've used chains in the past for recovery when I had my wrecker business. The big thing about chains is that you can not "snap" them like a recovery strap. If the chain has nice steady pressure during the recovery process they can be quite happy and be used safely. I have had winch cables break and that can be pretty scarry. I've also had chains break on me but they don't seem to snap back like a recovery strap or a winch cable.
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