RG&B Soft Shackle review - Defender Source
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  #1  
Old December 22nd, 2011, 09:57 PM
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Justin Monnin
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RG&B Soft Shackle review

Drink up and enjoy
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  #2  
Old December 27th, 2011, 09:23 PM
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The soft shackle is more than just a hunk of rope. There is actually a little bit of science behind what appears to be a simple loop. The shackle is first made by splicing the rope and stitching it so the eye can only open far enough to allow the ball end through. Then it is stretched on a tensile tester to the Working Load Limit. This will set the knot end and prevent it from becoming untied. For added protection the shackle is then re-dipped in a polyurethane coating and a piece of nylon chafe guarding is added.
The 9mm ones that Lucky8 sells have been tested on a 50,000lb tensile tester. This machine is calibrated by a third party every year, in part because the manufacturer must keep its test equipment up to date to comply with their military contracts.

The 9mm soft shackle is rated for a Working Load Limit of 18,000lbs. Today I had a brand new soft shackle tested and it broke at 26,088lbs. That is like hanging more than another Land Rover off the shackle past its Working Load Limit.

One thing to keep in mind with these shackles or any synthetic winch line is that they do have a shelf life. The manufacturer did a simulated long-term test of the shackle and these were the results:
First it was cycled 200 times from 14,000lbs - 20,000lbs. No damage. This should be close to the maximum pulling power of a 9k winch connected to a snatch block.
Then they upped the pulling power and kept on going. It took 73 cycles in the 20,000lb - 25,000lb range for the shackle to finally break at 25,182lbs. Keep in mind that the shackle was not allowed to cool down after each test as it was cycled continuously to test its durability in being loaded and unloaded repeatedly.

Here is some quick math:
If you were to go out twice a month and use the shackle at its maximum rating twice each outing, it would take you just shy of 6 years to mimic our testing. Not bad for a $25 shackle.

video of todays test.


Todays test


I hope this helps put to rest some of the concerns that some people have had.
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  #3  
Old January 7th, 2012, 09:16 AM
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LOL, priceless Justin. Thanks for the updated video!
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  #4  
Old January 8th, 2012, 11:19 AM
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A few months ago I discovered soft shackles at West Marine. They had them laid out on the rigging counter, from so small that I wanted one on mt keychain to HUGE. I thought that somewhere in the middle there must be some that would have Land Rover applications.
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  #5  
Old January 9th, 2012, 06:21 AM
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I am going crazy or did some posts disappear?
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  #6  
Old January 9th, 2012, 07:52 AM
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Quote:
Originally Posted by mgreenspan View Post
I am going crazy or did some posts disappear?
Welcome to the new D90. A softer, kinder, look at me I have some petty power D90.
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  #7  
Old January 9th, 2012, 08:03 AM
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Not quite. It was a discussion that had been hashed out on other forums then inadvertently brought here; and the OP asked for his own posts to be deleted.
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  #8  
Old January 9th, 2012, 08:23 AM
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There's a difference between a moderator censoring (not this case) and the OP asking for his post to be deleted (as is this case). There's no D-90 Source conspiracy.
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  #9  
Old January 9th, 2012, 09:15 AM
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I didn't ask for mine to be deleted, but it's ok since it was a response to something removed.
People can do the math themselves to get the design factor of the soft shackle, if they care.
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  #10  
Old January 9th, 2012, 09:27 AM
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Quote:
Originally Posted by mgreenspan View Post
I am going crazy or did some posts disappear?
No
another poster brought up a good point and I asked for my reply post to be deleted.
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