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Home > Help Needed / General Tech Chat > rolcage weld in or bold in?

Rammie2000

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belgium

Is it better to weld in the cage or is it better to bolt it in?

you can do anything if you set your mind to it...
i rather blow it up winning than keep it together losing.

finish date set for project 1... march 2018


Paul R

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Swindon

Weld in for lightness, bolt in for ease, cheaper and can change to another mininif you crash (depending on how bad)

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MarkGTT

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Shropshire.

Depends what your going to use the car for.


Rick.SPI

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Thrapston, Kettering, Northants NN14

Id say bolt, just in case you wanna split in the future. Of if the shell rots and you wanna keep the cage easily.

On 17th Feb, 2011 apbellamy said:
I popped my first one out the other day...


cossierick

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wakefield West Yorks

For stregnth / safety etc weld in is better.


BENROSS

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Resident Cylinder Head Modifier

Mitsi Evo 7, 911, Cossie. & all the chavs ...... won no problem

me personaly i would use saftey devices bolt it in ............. but in a balls out racer as rick says






wil_h

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Betwix Harrogate and York

Bolted correctly to welded on spreader plates will be juat as strong as welding in a 6-point cage.

Where welding is needed is on multiple-point cages where they tie-in with the shell all over the place.

A 6-point cage is for safety and does not really add that much stiffness to the shell anyway. You can improve the stiffnes by adding addition tie-in points on the A and B pillars.

Fastest 998 mini in the world? 13.05 1/4 mile 106mph



On 2nd Jan, 2013 fastcarl said:

the design shows a distinct lack of imagination,
talk about starting off with a clean sheet of paper, then not bothering to fucking draw on it,lol

On 20th Apr, 2012 Paul S said:
I'm mainly concerned about swirl in the runners caused by the tangential entry.


wolfie

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Somewhere around Swindon

Depends on the car, i would not weld a cage into a mk1 or 2

Crystal Sound Audio said:

Why wolfie...you should have your name as Fuckfaceshithead !


"A common mistake that people make when trying to design something completely
foolproof is to underestimate the ingenuity of complete fools."-Douglas Adams


Rammie2000

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belgium

Its a safety devise one (the rear main section) the front part and the bar running to the middle of the back window are made by me. I thought to weld it in because i do not had the bolt in plates and it would make it easier. .. But as said it would be easier to keep it after a crash or something like that when bolted in. Does anyone has advise on what size of plate i should use to make the bold in plates? .

you can do anything if you set your mind to it...
i rather blow it up winning than keep it together losing.

finish date set for project 1... march 2018


05bwardl

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lichfield ,staffordshire

i think regs say it has to be 3mm?


Sprocket

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Preston On The Brook

I don't see the logic.

If you crash the car to the point that the shell is written off, then surely the cage will also have suffered damage. Would you really want to use that in another car? much in the same way as you wouldn't use the seats or the safety belts either in such an incident? or even use a halmet after an impact to the head?

On 26th Oct, 2004 TurboDave16v said:
Is it A-Series only? I think it should be...
So when some joey comes on here about how his 16v turbo vauxhall is great compared to ours, he can be given the 'bird'...


On 26th Oct, 2004 Tom Fenton said:
Yep I agree with TD........


Carlzilla

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Quarry Bonk

If you have an accident that warrants removing the cage, likelihood is the cage has had a shunt. If it doesn't, it's repairable. I'm having mine bolt in and removable so it makes life easier for me to get the dash in and out. As others have said, a 6 point cage whether bolted or welded in makes no odds, as long as you have spreader plates fitted. If you start tying it into various places common sense would say to weld it in. That's my view on the situation anyway. Also IMO the cage is there for my safety (from bigger heavier cars on the road that may decide one day to plough into me) not as an accessory to look good aka show cages.

On 26th Jan, 2012 Tom Fenton said:
ring problems are down to wear or abuse but although annoying it isn't a show stopper

On 5th Aug, 2014 madmk1 said:
Shit the bed! I had snapped the end of my shaft off!!

17.213 @ 71mph, 64bhp n/a (Old Engine)


Sprocket

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Preston On The Brook

I remember phoning Miniworld Insurance for the first time for a quote back in ooh, 1998, and the first question asked before anything else was "does it have a roll cage fitted?" I said no as the car never had one, but I did ask why such a direct question before anything else.

The simple answer was that if there is a cage fitted the driver was more likely to drive like a knob and have no real concern about any loss of the vehicle in a crash as they felt safer because of it. They would not insure any vehicle with a roll cage fitted.

It is all fine and well having a cage fitted on a road car but do you also wear a helmet? since all that hard tubular steel in the passenger compartment with a comfy seat and seatbelt, in a crash won't stop your skull cracking as it bounces off those tubes in close proximity. Just a thought thats all *wink*

On 26th Oct, 2004 TurboDave16v said:
Is it A-Series only? I think it should be...
So when some joey comes on here about how his 16v turbo vauxhall is great compared to ours, he can be given the 'bird'...


On 26th Oct, 2004 Tom Fenton said:
Yep I agree with TD........


Carlzilla

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Quarry Bonk

I was told last time i went to avon to pad the rollcage behind my seat! Couple that with wearing a helmet and the fact there was no possible way, even if my head fell off, that it would touch the cage. Thought it was a bit stupid tbh. I can understand when front cages are fitted though. As for smacking my head, I'll be strapped down into buckets with a harness, so the risk is minimal. Rather take a slight bump to the head than end up crushed though!

On 26th Jan, 2012 Tom Fenton said:
ring problems are down to wear or abuse but although annoying it isn't a show stopper

On 5th Aug, 2014 madmk1 said:
Shit the bed! I had snapped the end of my shaft off!!

17.213 @ 71mph, 64bhp n/a (Old Engine)


wil_h

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Betwix Harrogate and York


On 21st May, 2013 Sprocket said:

The simple answer was that if there is a cage fitted the driver was more likely to drive like a knob and have no real concern about any loss of the vehicle in a crash as they felt safer because of it. They would not insure any vehicle with a roll cage fitted.


That's what some knob-head on the phone who just says what's on his screen (or says what someone else says who also dosen't know). If you want to know the real reason why they don't insure cars with roll cages, speak to the underwriters, not the broker. They make the decisions.

On 21st May, 2013 Sprocket said:

It is all fine and well having a cage fitted on a road car but do you also wear a helmet? since all that hard tubular steel in the passenger compartment with a comfy seat and seatbelt, in a crash won't stop your skull cracking as it bounces off those tubes in close proximity. Just a thought thats all *wink*


I suspect this is the real reason!

Fastest 998 mini in the world? 13.05 1/4 mile 106mph



On 2nd Jan, 2013 fastcarl said:

the design shows a distinct lack of imagination,
talk about starting off with a clean sheet of paper, then not bothering to fucking draw on it,lol

On 20th Apr, 2012 Paul S said:
I'm mainly concerned about swirl in the runners caused by the tangential entry.


Rammie2000

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belgium




On 21st May, 2013 Carlzilla said:
If you have an accident that warrants removing the cage, likelihood is the cage has had a shunt. If it doesn't, it's repairable. I'm having mine bolt in and removable so it makes life easier for me to get the dash in and out. As others have said, a 6 point cage whether bolted or welded in makes no odds, as long as you have spreader plates fitted. If you start tying it into various places common sense would say to weld it in. That's my view on the situation anyway. Also IMO the cage is there for my safety (from bigger heavier cars on the road that may decide one day to plough into me) not as an accessory to look good aka show cages.


That indeed is the point being. I do not want another show car as there are already so many show minis with zeemax kits and fake rolcages on the road here where i live. I want the real thing... and indeed safety against those pirates...

you can do anything if you set your mind to it...
i rather blow it up winning than keep it together losing.

finish date set for project 1... march 2018


Rammie2000

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belgium




On 21st May, 2013 05bwardl said:
i think regs say it has to be 3mm?


Sorry meant length and wide? But indeed thickness of 3 would be enough as you say (was going to use 5 mm.... bit overkill i guess? )

you can do anything if you set your mind to it...
i rather blow it up winning than keep it together losing.

finish date set for project 1... march 2018


Paul R

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Swindon

I would have a cage on a road car but would use padding and would never have a cage in a car that has normal seatbelts only ever harnesses and a decent seat.

Personally would weld in due to only way to get a six point cage in t45

As for drive like a nob with a cage, going to happen either way. More likely to survive and carry on paying insurance with a cage

Drives
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-Rover 100 VVC #2 - track project

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Rammie2000

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belgium

Whats t45?

you can do anything if you set your mind to it...
i rather blow it up winning than keep it together losing.

finish date set for project 1... march 2018


Rammie2000

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belgium




On 21st May, 2013 Paul R said:
As for drive like a nob with a cage, going to happen either way. More likely to survive and carry on paying insurance with a cage

*happy*

you can do anything if you set your mind to it...
i rather blow it up winning than keep it together losing.

finish date set for project 1... march 2018


Paul R

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Swindon

T45 is a seamless steel tube, stronger than cds so you can use a thinner steel for the same strength and be lighter *smiley*
.
Google t45 rollcages and fia approved rollcage spreader plate size

Edited by Paul R on 21st May, 2013.

Drives
-Ford S-max Mk2 Ecoboost
-Rover 100 VVC #2 - track project

Searching is all you need on TurboMinis


Rammie2000

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belgium




On 21st May, 2013 Paul R said:
T45 is a seamless steel tube, stronger than cds so you can use a thinner steel for the same strength and be lighter *smiley*
.
Google t45 rollcages and fia approved rollcage spreader plate size


Ow owkey. Will look at the local steelman for that.

Its going to be weld in. But do i still weld spreader plates underneath? i am going to weld in some side bars and crossbars extra. Make it a full roll cage.

you can do anything if you set your mind to it...
i rather blow it up winning than keep it together losing.

finish date set for project 1... march 2018


Rammie2000

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belgium

Found the tube.. not cheap though. .. bit going to get enough of it to weld a nice crazy cage in (looked at safety devise site... got some idea's)

you can do anything if you set your mind to it...
i rather blow it up winning than keep it together losing.

finish date set for project 1... march 2018


pieter

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belgium

when you fit the cage be aware that you will not be able to get the car on the road for daily use in belgium, furthermore if you want to use the car for (serious) racing a cage from customcages of safetydevices so you can apply for fia msa approval if the cage has been welded by a good welder


Rammie2000

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belgium




On 5th Jun, 2013 pieter said:
when you fit the cage be aware that you will not be able to get the car on the road for daily use in belgium, furthermore if you want to use the car for (serious) racing a cage from customcages of safetydevices so you can apply for fia msa approval if the cage has been welded by a good welder



Your sure? There are some ways... besides with the supercharger in front and the all adjustable suspension already make it a nightmare to get it road legal in our pain in the arse country. .. but it wouldn't be Belgium if there are no rear doors for every problem you open. *happy* *wink* *wink*

you can do anything if you set your mind to it...
i rather blow it up winning than keep it together losing.

finish date set for project 1... march 2018

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