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Location:
Wollongong
Registered:
November 2004
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Re: Why do people get roll cages?
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Fri, 19 November 2004 11:31
 
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| Rex_Kelway wrote on Tue, 16 November 2004 23:22 |
Ahhh, a thread close to Rex's heart...
Standard seatbelts do not provide controlled deceleartion of body mass.
They are one the most compromised piece of safety equipment in the modern automobile. They are designed to: (a) retract out of the way, when entering or exiting a car, (2) Cater and work the same across all body shapes and sizes, (3) LOCK on sudden extension to tie the body to the vehicles mass and (4) be easy enough for any bonehead to use
When the occupants body lurches forwards, the reel LOCKS solid. No control of deceleration whatsoever. The usage of pre-tensioners further highlights this. Pre-tensioners are often used as part of the SRS system. an explosive charge in the reel causes the belt to pull tight the instant the SRS system is triggered.
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I have to completely disagree there...
The self locking seatbelt actually removes momentum safer...
When in an accident, with no seat belt, your body moves with the same momentum, until it smacks the wheel/dash...
An old school seat belt just snaps instantly once a certain point is reached...
The newer self locking seatbelts actually start up a tensioner before locking (You may not notice it until in an accident)
But when in an accident, they can "slip" which allows decelleration although fairly quick still, over a greater distance...
As for the explosive charges...
They are actually set up, such that when an airbag system deploys, the charges go off, and actually "snap" the self locking system (releasing it) such that, instead of stopping you in the "short" distance the seat belt tensioner can use, it allows you to slow over approx 6 - 12 inches...
Therefore you don't slow as quickly, therefore you recieve less problems from sudden stops etc...
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| | Subject | Poster | Date |
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Why do people get roll cages?
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andrewa | Mon, 15 November 2004 20:15 |
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Re: Why do people get roll cages?
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muaythaiman | Mon, 15 November 2004 21:01 |
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Re: Why do people get roll cages?
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Purple_Beasty | Mon, 15 November 2004 21:18 |
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Re: Why do people get roll cages?
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Chris Davey | Mon, 15 November 2004 21:29 |
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Re: Why do people get roll cages?
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gianttomato | Mon, 15 November 2004 21:31 |
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Re: Why do people get roll cages?
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Cool1 | Tue, 16 November 2004 07:01 |
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Re: Why do people get roll cages?
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takai | Mon, 15 November 2004 21:34 |
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Re: Why do people get roll cages?
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._T_. | Mon, 15 November 2004 21:50 |
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Re: Why do people get roll cages?
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Purple_Beasty | Mon, 15 November 2004 23:11 |
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Re: Why do people get roll cages?
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._T_. | Tue, 16 November 2004 00:09 |
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Re: Why do people get roll cages?
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bbaacchhyy | Tue, 16 November 2004 07:08 |
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Re: Why do people get roll cages?
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Purple_Beasty | Tue, 16 November 2004 01:04 |
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Re: Why do people get roll cages?
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AE86slut | Tue, 16 November 2004 01:51 |
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Re: Why do people get roll cages?
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DRFTAE86 | Tue, 16 November 2004 12:18 |
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Re: Why do people get roll cages?
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Rex_Kelway | Tue, 16 November 2004 12:22 |
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Re: Why do people get roll cages?
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Kyosho | Fri, 19 November 2004 11:31 |
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Re: Why do people get roll cages?
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takai | Tue, 16 November 2004 12:53 |
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Re: Why do people get roll cages?
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Rex_Kelway | Tue, 16 November 2004 13:27 |
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Re: Why do people get roll cages?
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M.W.P. | Tue, 16 November 2004 15:51 |
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Re: Why do people get roll cages?
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muaythaiman | Fri, 19 November 2004 08:31 |
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Re: Why do people get roll cages?
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ae86drift | Fri, 19 November 2004 11:13 |
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Re: Why do people get roll cages?
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ae86drift | Fri, 19 November 2004 11:58 |
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Re: Why do people get roll cages?
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MS-75 | Fri, 19 November 2004 18:40 |
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Re: Why do people get roll cages?
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greenta22 | Sat, 20 November 2004 07:58 |
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Re: Why do people get roll cages?
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Alchemist | Sat, 20 November 2004 08:41 |
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Re: Why do people get roll cages?
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Purple_Beasty | Sat, 20 November 2004 19:26 |
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Re: Why do people get roll cages?
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ODR-666 | Sat, 20 November 2004 23:10 |
