Crash-Boom-Tingeling

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Alex Roux
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Re: Crash-Boom-Tingeling

Post by Alex Roux » 27 Aug 2014 15:27

marakasmalan wrote: Big mistake! The guy in the Huyundai can say so even more. He crashed into, for all practical purposes, a truck. The engine meshed up nicely, bodywork crumpled extensively and all the energy from the impact got nicely dissapated reducing the decceleration he was exposed to.

To design a car that does not deform in an accident is easy, exhibit A = Nissan Patrol. At low speeds you are OK, as you will be in almost any car - other cars will have significantly more damage.
Noted. D Ladder frame chassis vehicles generally get poor NCAP ratings?
What is the Patrol's rating?
Last edited by Alex Roux on 27 Aug 2014 15:35, edited 1 time in total.
Skilpad, Shortie & Witblits (in no particular order)

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Alex Roux
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Current 4x4: 2004 GU 3TDi (Lexus) - aka "Witblits"
1996: GQ TB48 conversion - aka "Skilpad"
1993: GQ SWB TB42 - aka "Shortie"
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Re: Crash-Boom-Tingeling

Post by Alex Roux » 27 Aug 2014 15:31

bogeyman wrote:Alex,
Not nice to hear of such things.

Do you have the working inserts in the upper back lights or only the bumper ones?

I have heard that the extra brake lights "wake up " the tail huggers better and can help avoid accidents.
I effectively have five breaklights.
Four of them go on with the head lights, with the extra bulb igniting on break.
Two in the steel bumper corners and two in the body (after market activated)
And one at the top of the larger rear door only activating on break.
So that should have been enough for the tail hugger.
Skilpad, Shortie & Witblits (in no particular order)

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Alex Roux
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1996: GQ TB48 conversion - aka "Skilpad"
1993: GQ SWB TB42 - aka "Shortie"
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Re: Crash-Boom-Tingeling

Post by Alex Roux » 27 Aug 2014 15:34

Anyone with an alluminium central rear step lying aroudn at home?
Those of you that have recently replaced the entire rear bumper perhaps?
I still use this section as I only have steel corners (as seen on the picture)

The alluminium central rear step costs aroudn 5k from Nisssan!
I can get it through insurance, but as a matter of princiople I do not want to do that.

Also, can someone perhaps pm me Dawid Volschenk's contact details.
He may have a remaining left tail light for me. Mine is cracked.
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Re: Crash-Boom-Tingeling

Post by Kagiso II » 27 Aug 2014 15:57

Lexi .. hier by die Chaina sjop naby ons is kompleet agterligte vir jou model Trol -- wat gemaak is vir LED liggies [vrek goedkoop] het gesien toe ek THOR gery het en paar goed daar wou aanskaf. [Laasjaar was onder R1,000 vir die twee .. kompleet ligte [lense, glas, draad .. ]
Kom kuier - dan vat ik jou soontoe .. en dan plan ons sommer die volgend 4x4 4 Kids..

David se nomr nul-agt-drie 499 een-vyf agt-agt. Ek dink hy het vir jou bumper middelstuk ..
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marakasmalan
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Re: Crash-Boom-Tingeling

Post by marakasmalan » 27 Aug 2014 16:17

Kagiso II wrote:hier by die Chaina sjop naby ons is kompleet agterligte vir jou model Trol
en vir GQ?

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Alex Roux
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Re: Crash-Boom-Tingeling

Post by Alex Roux » 27 Aug 2014 21:45

Kagiso II wrote:Kom kuier - dan vat ik jou soontoe .. en dan plan ons sommer die volgend 4x4 4 Kids..
Ek maak so, sal bel
Skilpad, Shortie & Witblits (in no particular order)

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Re: Crash-Boom-Tingeling

Post by offroadbiker » 28 Aug 2014 07:06

marakasmalan wrote:
Kagiso II wrote:hier by die Chaina sjop naby ons is kompleet agterligte vir jou model Trol
en vir GQ?
Bump :wink:
Dirk
1996 Nissan Patrol 4.2 ST

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Re: Crash-Boom-Tingeling

Post by IanT » 28 Aug 2014 08:55

Hi Alex, give me a ring may be able to help you on those parts. Cheers Ian :blonde:

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marakasmalan
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Re: Crash-Boom-Tingeling

Post by marakasmalan » 28 Aug 2014 12:09

Alex Roux wrote:Ladder frame chassis vehicles generally get poor NCAP ratings?
Yes, since it is a monstrously sturdy and rigid frame that stretches from back to front. There is very little in the way of energy absorbtion and the passenger is exposed to the full deccelaration forces of the impact. A function of the speed at which the impact happens. The injuries are not so much blunt trauma as it is damage to organs exposed to the G-forces. Hence the airbag is not of so much help.

A car with good crumple zones, engines submarining under the body etc, allows the occupant to slow down at the slower rate, since relatively the passenger is still moving forward whlst all these deformations are taking place.

The ladderframe chassis is rigid and causes evrything to stop. right there and then, not much happening in terms of deformation and energy absorbtion.

However, the lack of safety provided by the rigid chassis should just be compensated for by your primary safety feature - the operator!

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Peter Connan
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Re: Crash-Boom-Tingeling

Post by Peter Connan » 28 Aug 2014 12:16

Alex, bly julle is OK.

Just as an aside, I have often wondered wheter the solution to crash safety in ladder-frame vehicles is to have body mounts that shear easily in forward/backward direction, but are robust in a sideways direction...

From the point of view that if you run into something solid, the chassis with axles, engine, drivetrain etc. (and thus most of the momentum) would stop, and the body with crumple zones and safety cell could continue and bsorb it's own momentum, but in a roll or T-bone, everything would stay together.
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