Steve
Premium Member
Registered: 30th Mar 02
Location: Worcestershire Drives: Defender
User status: Offline
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eg this
a solid rear beam like that isnt a torsion beam, it shouldnt twist if at all, so how does a arb make any difference whatsover, it would work if connected to the shocks via droplinks, but in my mind that will make no difference whatsoever 
where am i going wrong with my thoughts as people have said it does make a large difference, im not getting it...
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taylorboosh
Member
Registered: 3rd Apr 07
User status: Offline
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i dont think it would work but mk4 golfs have a solid rear beam iir and mine improved handling no end
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Nic Barnes
Member
Registered: 5th Apr 04
Location: nowhere near ginger people
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You're wrong Steve. That's all there is to it.
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Steve
Premium Member
Registered: 30th Mar 02
Location: Worcestershire Drives: Defender
User status: Offline
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im happy to be wrong, but baffle me with physics as to why, in my simple mind it cannot make a difference or be it such a minor difference youd never know
at best all i can see is a slight structural rigidity gain
dare i say it, but placebo?
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Nic Barnes
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Registered: 5th Apr 04
Location: nowhere near ginger people
User status: Offline
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Genuine difference to the way the back end feels. I haven't got the time to explain it in terms you'd understand as I have no Lego.
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taylorboosh
Member
Registered: 3rd Apr 07
User status: Offline
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nope mine was fucking awesome... in terms of noticable-ness... mine was up there with a remap on a turbo.. best handling mod for a fwd
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Steve
Premium Member
Registered: 30th Mar 02
Location: Worcestershire Drives: Defender
User status: Offline
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im not saying i dont believe you but just saying it works isnt good enough to satisfy me 
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taylorboosh
Member
Registered: 3rd Apr 07
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get one and see? they are <£170
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Nic Barnes
Member
Registered: 5th Apr 04
Location: nowhere near ginger people
User status: Offline
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It working was enough to satisfy my purchase of it. Best thing I noticed was the full weld in cage. Huge difference. But on my country test track roads the rarb was definitely a major improvement.
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Steve
Premium Member
Registered: 30th Mar 02
Location: Worcestershire Drives: Defender
User status: Offline
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will let you know on the cage, iv heard good things about that aspect of them
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bigron1988
Member
Registered: 29th Aug 09
Location: Southport, Merseyside
User status: Offline
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quote:
Originally posted by Nic Barnes
I haven't got the time to explain it in terms you'd understand as I have no Lego.
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Steve
Premium Member
Registered: 30th Mar 02
Location: Worcestershire Drives: Defender
User status: Offline
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unimog didnt require rarb and that was beam axle setup 
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smcGSI16V
Member
Registered: 26th May 03
Location: Farnborough Drives: Thurlby 888 CDTi No.98
User status: Offline
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quote:
Originally posted by Nic Barnes
You're wrong Steve. That's all there is to it.
Yep.
pound for pound it was by far the best thing I done to my corsa to sort out the rear end.
No placebo effect here.
Thats going from doing about 10 track days with out then about 10 after before any other changes were made.
It basically changed the rear end from being dragged around the corner, to following the front.
Made the rear end feel less wobbly and felt more together and stiffened up.
Its quite hard to explain unless you actually experience it with and without, especially pushing the car to its limits on track. On the road it was hardly noticable.
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Steve
Premium Member
Registered: 30th Mar 02
Location: Worcestershire Drives: Defender
User status: Offline
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ok so we have a few people saying it works
anyone clarify what properties it alters on that beam to work?
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taylorboosh
Member
Registered: 3rd Apr 07
User status: Offline
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he needs to get one before the cage so he can see the full effect on a standard ish car
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Steve
Premium Member
Registered: 30th Mar 02
Location: Worcestershire Drives: Defender
User status: Offline
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i wouldnt waste my money rear end on puma is already fairly lively, its not a wallowing corsa to start with 
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smcGSI16V
Member
Registered: 26th May 03
Location: Farnborough Drives: Thurlby 888 CDTi No.98
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And with and without a cage there is a difference in a car between night and day.
A car will feel completley different, stiff, rigid, lack of body roll and chassis twist.
That was the best thing I ever done. It stiffened the whole car up that much that
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Adam_B
Member
Registered: 13th Dec 00
Location: Lancashire
User status: Offline
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quote:
Originally posted by Steve
a solid rear beam like that isnt a torsion beam, it shouldnt twist if at all
On a Corsa they are not stiff.
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gazza808
Member
Registered: 30th Jun 08
Location: Peterborough
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Because the beam flexs, the arb just makes it stiffer.
Jack a Corsa up take the shocks and springs out, put one wheel back on so it touches the floor, stand on the other sides drum and watch how much it twists/flexs
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Steve
Premium Member
Registered: 30th Mar 02
Location: Worcestershire Drives: Defender
User status: Offline
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ok that makes it a bit clearer, i assumed it would be the same as my puma which is totally solid
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LeeM
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Registered: 26th Sep 05
Location: Liverpool
User status: Offline
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A bit of flex is a good thing, maintain traction.
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smcGSI16V
Member
Registered: 26th May 03
Location: Farnborough Drives: Thurlby 888 CDTi No.98
User status: Offline
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exactly as gazza says tbh.
They do have a lot of movement in it.
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Jake
Member
Registered: 24th Jan 05
User status: Offline
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the standard beam flexes a fair bit. the anti roll bar helps add some rigidity to it. made a big difference inc more controllable oversteer
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antnee
Member
Registered: 30th Dec 07
Location: Cov Drives: Clio 197
User status: Offline
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quote:
Originally posted by Steve
it would work if connected to the shocks via droplinks
So in your first post you have acknowledged that the beam will twist. The shocks still attach to the beam. Only thing that will make a difference in terms of mounting is how far away from the transverse straight part you can mount it.
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taylorboosh
Member
Registered: 3rd Apr 07
User status: Offline
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quote:
Originally posted by Steve
ok that makes it a bit clearer, i assumed it would be the same as my puma which is totally solid
maybe part and parcel why they handle so well 
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