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Shackle ratings - part 2

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EvilEd:
I use 4.75t SWL shackles everywhere..... And a Bridle across the front of the Jeep..... then a 12t rated rope with a 8T rated Bridle.

Theory is..... Bridle breaks first, hopefully at an end so that it has to "Unspool" itself from the rope (Stopping the rope from springing back)
I do not use a shackle from the rope to the bridle.
Second weakest point is the rope, may spring back, but again, no shackles flying with it.
The shackles should be the strongest point. (Jst over 23t and split between two)

And if they don't have two recovery points available, I only tow them out at my discression  :twisted:

Wish I could find the site I read a year or so ago....
It read similar to....
on a 10% incline, you add 20% to the weight
On a non smooth surface (Gravel) add a further 10%
If stuck in mud add 200%
If stuck in mud down beyond axles add 400%
My jeep is 1.4t
So if my jeep is in a hole up to it's belly in mud, we're talking about a 7.7T smooth pull. Now look at the figures for a 110  :shock:
(I think these were the figures, will try to find the link again later)

Is your kit up to it ???

EvilEd:
Not the place, but some heavy reading if you want to.....

http://www.pajero.dn.ru/book/rec.pdf

Tyke:

--- Quote from: "EvilEd" ---Not the place, but some heavy reading if you want to.....


--- End quote ---


Heavy Reading? . . . . more like Essential Reading.

The maths and theory is just plain and simple mechanics . . . most gcse level schoolkids would understand it.

Nice find though, downloaded it to reference at my lesiure. Cheers for posting the link fella  :wink:

Ja1983:
...which reminds me, i need to sort out some recovery points on the truck. i take it best option is something securley bolted to the chassis railes?

i have a proper toyoa tow bar thats gunna get butchered (the drop removed as it looses a foot of ground clearance) it hasa build in bumper (big tube section) is it worth welding some suitably rated..."thingys" on before i go for the powder coating? :?

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