Outer Limits 4x4 Board

Pretty scary to see half a bull bar flying through the air!!

why you shouldnt snatch from an alloy bullbar

so u snatched from the shackle/spring mount instead?

With tyres like that, and greasable shackles you would have assumed they knew enough to put on a decent rated recovery point.



Trains

assumption is the mother of all f***ups

Damn... hope it wasn't yours

Why do I need recovery points? I wont get stuck

Tiny wrong

To assume is to make and ASS out of U and ME.

Along the lines of... "If I type fifty eight thousand and eight into a calculator, then turn it upside down. It says Boobs"

Funnies

RockyF70 wrote:so u snatched from the shackle/spring mount instead?

Any can someone tell me how 2x12mm bolts through a 3mm mild steel chassis is all that much better than the shackle? Everyone puts so much emphasis on grade 8 plus fasteners but only bolts them into a couple of rusted out captive nuts

beebee wrote:

RockyF70 wrote:so u snatched from the shackle/spring mount instead?

Any can someone tell me how 2x12mm bolts through a 3mm mild steel chassis is all that much better than the shackle? Everyone puts so much emphasis on grade 8 plus fasteners but only bolts them into a couple of rusted out captive nuts

Agree - The argument I have heard is the chance of the spring compressing and cutting through the strap (very unlikely I know).

A better option (if possible) is to put the strap around the axle tube.

ISUZUROVER wrote:

beebee wrote:

RockyF70 wrote:so u snatched from the shackle/spring mount instead?

Any can someone tell me how 2x12mm bolts through a 3mm mild steel chassis is all that much better than the shackle? Everyone puts so much emphasis on grade 8 plus fasteners but only bolts them into a couple of rusted out captive nuts

Agree - The argument I have heard is the chance of the spring compressing and cutting through the strap (very unlikely I know).

A better option (if possible) is to put the strap around the axle tube.

When we did it (1st and last time) the springs ripped the snatchy, and it wasn't even compressed.

It's the sheer strengh of the bolts that count.

beebee wrote:

RockyF70 wrote:so u snatched from the shackle/spring mount instead?

Any can someone tell me how 2x12mm bolts through a 3mm mild steel chassis is all that much better than the shackle? Everyone puts so much emphasis on grade 8 plus fasteners but only bolts them into a couple of rusted out captive nuts

Probably not much stronger.
But a proper hook isn't going to chew up your snatch strap.

KiwiBacon wrote:

beebee wrote:

RockyF70 wrote:so u snatched from the shackle/spring mount instead?

Any can someone tell me how 2x12mm bolts through a 3mm mild steel chassis is all that much better than the shackle? Everyone puts so much emphasis on grade 8 plus fasteners but only bolts them into a couple of rusted out captive nuts

Probably not much stronger.
But a proper hook isn't going to chew up your snatch strap.

i was always under the impression that the chassis is made from HSS (high strength steel), which i believe is a different beast from mild steel. or is this wrong?

Bluey wrote:

KiwiBacon wrote:

beebee wrote:

RockyF70 wrote:so u snatched from the shackle/spring mount instead?

Any can someone tell me how 2x12mm bolts through a 3mm mild steel chassis is all that much better than the shackle? Everyone puts so much emphasis on grade 8 plus fasteners but only bolts them into a couple of rusted out captive nuts

Probably not much stronger.
But a proper hook isn't going to chew up your snatch strap.

i was always under the impression that the chassis is made from HSS (high strength steel), which i believe is a different beast from mild steel. or is this wrong?

A guy at my work was saying it was bittle steel super strong, I havn't heard of anytging like that anyway.

The other thin with 12mm bols is that even if the rusty nut was to come off the bolts would still hold as the holes in the chasis shouldn't rip open.

If your were that worried about it breaking apart... why not use 2 hooks and use both hooks at the same time?

zagan wrote:

Bluey wrote:

KiwiBacon wrote:

beebee wrote:

RockyF70 wrote:so u snatched from the shackle/spring mount instead?

Any can someone tell me how 2x12mm bolts through a 3mm mild steel chassis is all that much better than the shackle? Everyone puts so much emphasis on grade 8 plus fasteners but only bolts them into a couple of rusted out captive nuts

Probably not much stronger.
But a proper hook isn't going to chew up your snatch strap.

i was always under the impression that the chassis is made from HSS (high strength steel), which i believe is a different beast from mild steel. or is this wrong?

A guy at my work was saying it was bittle steel super strong, I havn't heard of anytging like that anyway.

The other thin with 12mm bols is that even if the rusty nut was to come off the bolts would still hold as the holes in the chasis shouldn't rip open.

If your were that worried about it breaking apart... why not use 2 hooks and use both hooks at the same time?

If the chassis was old and in average condition, bit of rust etc, it could very well rip open. I think that is the point that BeeBee is trying to make.

Layto....

are you shoure this guy wasnt hanging around?

Bluey wrote: i was always under the impression that the chassis is made from HSS (high strength steel), which i believe is a different beast from mild steel. or is this wrong?

It'll depend on your truck. But most of them are just mild steel. High strength steel is only useful if you want it to flex a long way without bending.

I've seen a few big trucks with high strength steel chassis, they have warnings all over them to avoid drilling and welding.

As far as im aware its basicaly only some early jeeps and 40,55,60 series cruisers that had heat treated chassies. Easiest way to tell is that there is no welding from fractory on the chassie. They are usually all cold riveted together.

thanks guys didn't know that. so why are bullbars etc, but especially bullbars like cheezy/fat/blah blah have such thick sections bolted to the chassis? my cheezy bar is 10mm thick where it bolts on, isn't this all excessive weight?

Bluey wrote:thanks guys didn't know that. so why are bullbars etc, but especially bullbars like cheezy/fat/blah blah have such thick sections bolted to the chassis? my cheezy bar is 10mm thick where it bolts on, isn't this all excessive weight?

Yes it is.

Weight reduction is something that's seldom ever done on aftermarket 4wd parts.

Bluey wrote:thanks guys didn't know that. so why are bullbars etc, but especially bullbars like cheezy/fat/blah blah have such thick sections bolted to the chassis? my cheezy bar is 10mm thick where it bolts on, isn't this all excessive weight?

Bigger is better

10mm plate for mounting is not excessive weight. It for strengh. Kiwibacon, have a close look at one of these bars. They are not excessivley heavy. They are built strong for aussie conditions. I would be running one of these on my GU if it wasn't for the airbags.

Skegbudley wrote:10mm plate for mounting is not excessive weight. It for strengh. Kiwibacon, have a close look at one of these bars. They are not excessivley heavy. They are built strong for aussie conditions. I would be running one of these on my GU if it wasn't for the airbags.

Have a look at an ARB bullbar - there is usually nothing over 3mm (occasionally 5mm or so). ARBs are designed using FEM to minimise weight while retaining strength. People like CHeezy don't have those options (and are often building bars for more extreme applications), so they overengineer things to be on the safe side.

have a lok at how easy an arb bar bends, there nothing like they used to be

jimbo jones wrote:are you shoure this guy wasnt hanging around?

LOL yeah i got a ep where he tried towing of someones bull bar pulling the whole bull bar off

snatching from the shackle isnt all that great an idea, i have seen first hand a snatch from this point rip the eye off the rear of the spring, scissoring the strap caving the back of a rangy in. ill see if i can find the vid.

out recovery points on.wouldnt that be better