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What thickness ???

General Tech Talk

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What thickness ???

Post by landy_man »

Looking at making some bolt on d-shackle brackets for the Rangie....

What would be the minimum thickness steel I should use...
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Post by Strange Rover »

I would use 8mm cause thats what I got lying around. Wouldnt use 5m or 6mm but would use 12mm if I had it.

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Post by greg »

I gather the picture is from off the poison spyder customs site...

This is what i just read there:

Poison Spyder Customs wrote:Poison Spyder Customs D-Shackle mounts are a versatile and easy way to create an attachment point on your trail machine. Machined from 1" mild steel with beveled edges to ensure a penetrating weld. A unique feature of this attachment point is the radius machined into its base. the radius allows you to perfectly locate mount on 1.5" to 3" tubing, or any flat surface. Excellent for square frames or tube chassis. D-Shackle mounts are weld-on only and are 1" thick, 2.5" in height, and 3.5" at the base.
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Post by landy_man »

yeah it is but they are a weld on tab....they would need to be thicker to allow a good penatrating (sp) weld on either side....
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Post by landy_man »

Strange Rover wrote:I would use 8mm cause thats what I got lying around. Wouldnt use 5m or 6mm but would use 12mm if I had it.

Sam


thanks sam
I have a big sheet of 10mm so I reckon that is what I will be using...just needed confirmation that it would be strong enough.
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Post by Kev80 »

10mm :shock:

For stuf like that, i recon what ever thickness you think will do then double it to make sure.

You dont want to worry about it every time you use it.
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Post by Strange Rover »

I think on ARB bull bars the recovery points (at least I think they are recovery points) would be lucky to be much more than 4mm thick.

The thickness of where the shackle goes through a snach block would also be only 2 lots of 3mm thick plate.

10mm will be heaps.

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Post by chimpboy »

Strange Rover wrote:I think on ARB bull bars the recovery points (at least I think they are recovery points) would be lucky to be much more than 4mm thick.

The thickness of where the shackle goes through a snach block would also be only 2 lots of 3mm thick plate.

10mm will be heaps.


I agree... I've seen stock brackets much thinner than that that were okay - not great, but okay. 10mm will be much better than just okay.

How you position the bolt holes in relation to the hole for the d-shackle will make a difference as well; you don't want the shackle to be able to "leverage" the bracket.

Well, I can't explain it but you probably get what I mean.

Jason
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Post by Kev80 »

Im sure the ARB brackets arn't designed for heavy use as they do bend side ways, more of a towing point id think.

Also they arn't a small piece welded on, its part of the main bar that bolts to the chassis.
The bit sticking out the front is only about one tenth of the overall sheet.

10mm would probebly be ok but the stronger the beter.

So why did they go 20+mm in the pic above then ?
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Post by landy_man »

landy_man wrote:yeah it is but they are a weld on tab....they would need to be thicker to allow a good penatrating (sp) weld on either side....
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Post by TuffRR »

The tabs on the bottom of ARB bars are NOT designed for heavy recovery. They bend like a mofo!!!
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Post by rOd »

I thought those tabs are jack points for a high lift jack??? :?
Dont expect mere proof to sway my opinion.
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Post by greg »

rOd wrote:I thought those tabs are jack points for a high lift jack??? :?


Ditto - definately not a snatching point - perhaps you could use them for a tie down though.
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Post by Guy »

rOd wrote:I thought those tabs are jack points for a high lift jack??? :?


I have seen several of these tear open when used incorrectly as a "snatch point" ..
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Post by V8Patrol »

The diameter of the pin in the Dshackle gives you a big hint as to the MINIMUMAL size plate thickness required.
[color=blue][size=150][b]And your cry-baby, whinyassed opinion would be.....? [/b][/size][/color]
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