So how effective is the SD Roll Cage? - Page 4 - Defender Source
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  #61  
Old April 10th, 2016, 10:51 PM
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Quote:
Originally Posted by roverman2010 View Post
90 or 110? Home market or other? If a 90 check my build B777 ONR for SD internal roll cage
It's a 90. Checking out your build now.
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  #62  
Old April 10th, 2016, 11:35 PM
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Quote:
Originally Posted by javelinadave View Post
Dimple the ribs and it works.
Dave, I've never seen this done. How would you go about it? (Besides a mallet)
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  #63  
Old April 10th, 2016, 11:54 PM
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Bfh....
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  #64  
Old April 10th, 2016, 11:58 PM
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Originally Posted by Brewie212 View Post
Bfh....
That's what I was afraid of :worried:
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  #65  
Old April 11th, 2016, 04:35 AM
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It all depends on which way up you are! But for preference I'd get a protection and performance 50mm cage.
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  #66  
Old April 26th, 2016, 10:57 PM
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Ouch. Look at how the windscreen folded in. No chance.
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  #67  
Old April 27th, 2016, 12:45 AM
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Originally Posted by down_shift View Post
Ouch. Look at how the windscreen folded in. No chance.
I'm pretty sure that that's blood on the bonnet. Not good.
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  #68  
Old April 27th, 2016, 07:30 AM
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So you purchase a 60K truck and don't invest in a roll over system for protection? Land Rover should have been doing cages at the factory as a standard. Sad
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  #69  
Old April 27th, 2016, 07:38 AM
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Originally Posted by D90Overkill View Post
I'm pretty sure that that's blood on the bonnet. Not good.
Wow, I can't get the cage installed soon enough.
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  #70  
Old April 27th, 2016, 08:07 AM
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Quote:
Originally Posted by down_shift View Post
Ouch. Look at how the windscreen folded in. No chance.
Is there a story behind the photo? It's no secret Defenders without after market rollover protection are about as safe as an empty beer can in a rollover..
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  #71  
Old April 27th, 2016, 08:16 AM
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I look at my cage as insurance in so far as it would serve to prevent or at least reduce the severity of such a catastrophic structure collapse. To be fair though, I am aware that it is really a false sense of security so I drive my truck as such.
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  #72  
Old April 27th, 2016, 08:24 AM
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I hope these shops dropping in LS and big suspension conversions are well protected from wrongful death lawsuits. It will happen. It's just a matter of time.
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  #73  
Old April 27th, 2016, 08:41 AM
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Wasn't the SD cage added by LRNA to allow the 110's to meet DOT standards for crash protection? And it's fair to assume since they did get certified that they meet or exceed the standard set for all cars in 93? So with all this debate, it seems to me you are no better off in any other car around that time that met the same standard.
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  #74  
Old April 27th, 2016, 09:03 AM
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Quote:
Originally Posted by AmityD90 View Post
I went a p&p external roll cage. I had Mike Sandone at North America Overland install it. Not sure if it's better than a safety devices roll cage, but it I will say I am very pleased with the end result.
Mike said it was relatively easy to install, but then again I knew before I even bought it, I was going to have someone very capable doing the job (Not me - lol!)

It's better than nothing for sure and hopefully I'll never have to test it's strength. I'll attach the pictures that Mike took while he was doing the install for anyone looking into doing this to their ROW truck.
I have been looking for this picture (of the underbody support) wasn't sure it would clear my filler tube
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  #75  
Old April 27th, 2016, 09:09 AM
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Quote:
Originally Posted by Overlander View Post
Wasn't the SD cage added by LRNA to allow the 110's to meet DOT standards for crash protection? And it's fair to assume since they did get certified that they meet or exceed the standard set for all cars in 93? So with all this debate, it seems to me you are no better off in any other car around that time that met the same standard.
I agree. My first rover was a 1994 disco. The pillars in that truck do not inspire confidence.
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  #76  
Old April 27th, 2016, 09:18 AM
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Quote:
Originally Posted by Overlander View Post
Wasn't the SD cage added by LRNA to allow the 110's to meet DOT standards for crash protection? And it's fair to assume since they did get certified that they meet or exceed the standard set for all cars in 93? So with all this debate, it seems to me you are no better off in any other car around that time that met the same standard.

Federal motor Vehicles Safety Standards; Roof Crush Resistance No 216 is the standard. The following amendment caught the 94' NAS D90 for sure. My guess while technically not required for the 93' NAS D110 (as it exceeded the 6000 lbs GVWR), it was prudent to install the cage regardless.

On April 17, 1991, NHTSA published a final rule amending FMVSS No. 216 to extend its application to MPVs, trucks, and buses with a GVWR of 2,722 kilograms (6,000 pounds) or less.

The final rule adopted the same requirements and test procedures as those applicable to passenger cars, except for the 22,240 Newton (5,000 pound) limit on the applied force. Compliance with the final rule was required on September 1, 1994.

The Gen 1 and 2 Ford Explorers got caught up in roof collapse lawsuits. The 2002 Gen 3 Explorer was completely redesigned as a result. Here are a few firms specializing in the area:
https://www.millerweisbrod.com/car-a...-suv-rollovers
http://fordexplorerrollover.com/roof-crush/index.html
http://www.suv-rollovers.com/
http://www.rolloverlawyer.com/articl...orer-rollover/
http://www.jerebeasleyreport.com/201...r-settlements/
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File Type: pdf FMVSS No 216_Roof Crush Final Rule.pdf (595.9 KB, 7 views)
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  #77  
Old April 27th, 2016, 09:25 AM
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Quote:
Originally Posted by Overlander View Post
Wasn't the SD cage added by LRNA to allow the 110's to meet DOT standards for crash protection? And it's fair to assume since they did get certified that they meet or exceed the standard set for all cars in 93? So with all this debate, it seems to me you are no better off in any other car around that time that met the same standard.
Jeep had the same thing happen with the Wrangler. The Fed made them install the roll over protection years ago. I think those guidelines probably dictated LRNA install the cage in the NAS Defenders.
I have installed a few SD cages in the Defenders. They do what they are designed for especially in slow speed rolls. At a MAR I watched a D90 convertible roll down a hill, 4 passengers, all four walked away. The cage and rear portions of the tub took all of the force.
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  #78  
Old April 27th, 2016, 09:34 AM
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Quote:
Originally Posted by Capt Milks View Post
Jeep had the same thing happen with the Wrangler. The Fed made them install the roll over protection years ago. I think those guidelines probably dictated LRNA install the cage in the NAS Defenders.
I have installed a few SD cages in the Defenders. They do what they are designed for especially in slow speed rolls. At a MAR I watched a D90 convertible roll down a hill, 4 passengers, all four walked away. The cage and rear portions of the tub took all of the force.
Single use is all they really need to do, if you get in an accident and roll your defender I cannot image you are wondering if you can re-use the cage after
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  #79  
Old April 27th, 2016, 10:42 AM
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Quote:
Originally Posted by NPT90 View Post
Single use is all they really need to do, if you get in an accident and roll your defender I cannot image you are wondering if you can re-use the cage after
Yep, The cage was pretty bent up. I think they did bend it back out but I might worry about the structure after that.
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  #80  
Old April 27th, 2016, 10:55 AM
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Originally Posted by Willh View Post
Since I'm a new ROW 110 owner , I've actually been asking myself this very question over the last day or so. I've got 3 young children and so my thoughts on this topic immediately go to them. JimC commented in a thread some time ago that struck a chord with me. The cage is a one time use investment. If it serves it purpose just one time, then it was worth the investment.

Installation of the SD cage will require me to install a smooth roof, where the P&P cage does not. I haven't done enough research on the subject to make a decision yet. Count me subscribed though, because I'd like to hear some feedback!
i am moving to Winston Salem soon... i build these so called cages at times..
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