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  #31  
Old 24th April 2017, 09:08 PM
audia8driver audia8driver is offline
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Very interesting thread.

However why can't cars survive in high speed collisions, Ferraris and other super cars do.

I don't think am wrong when I say there is plastic out there that is unbeeakable and could be used on cars.

I think it is all about making money
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  #32  
Old 24th April 2017, 09:34 PM
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Originally Posted by audia8driver View Post
Very interesting thread.

However why can't cars survive in high speed collisions, Ferraris and other super cars do.

I don't think am wrong when I say there is plastic out there that is unbeeakable and could be used on cars.

I think it is all about making money
Nothing wrong with making money, and methinks its the survivablility of their cars occupants that would be uppermost in peoples minds.
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Last edited by tonupkid; 24th April 2017 at 09:44 PM.
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  #33  
Old 24th April 2017, 09:48 PM
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Originally Posted by audia8driver View Post
Very interesting thread.

However why can't cars survive in high speed collisions, Ferraris and other super cars do.

I don't think am wrong when I say there is plastic out there that is unbeeakable and could be used on cars.

I think it is all about making money
The problem isn't so much how to make the cars survive the impact as how to make the occupants survive it. Something needs to absorb and dissipate all that energy.

If you were to create an immensely strong and rigid vehicle, one that could survive an impact without deforming, the effect would be that a lot more of the energy of the impact would transfer to the occupants. Assuming the occupants are strapped into their seats and their bodies are therefore prevented from continuing forward at 100mph, their organs instead will be propelled forward with great force.

To make high impact energy accidents survivable you have to allow some amount of deceleration and energy absorption, which is the main purpose of crumple zones.

This is another reason I believe larger cars are generally safer (in accidents involving other vehicles). Larger cars usually have larger/longer crumple areas, since they have to be able to absorb their own weight in an accident. Therefore in an accident with another vehicle, particularly a smaller/lighter one, it stands to reason that the car with the larger crumple zones will fare significantly better.
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  #34  
Old 25th April 2017, 12:23 AM
audia8driver audia8driver is offline
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Regarding big cars..

if you recall the Mercedeses Benz s class that Princess Diana was unfortunately killed in, that big car did not provide the necessary protection.

I do agree that upon impact the energy needs to be absorbed, but surely air bag technology could be advanced, so you are cocooned within the shell of the car or something that become a hardened foam, I guess this is more physics?
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  #35  
Old 25th April 2017, 01:01 AM
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I do agree that upon impact the energy needs to be absorbed, but surely air bag technology could be advanced, so you are cocooned within the shell of the car or something that become a hardened foam, I guess this is more physics?
As in Demolition Man. Strangely enough, I was thinking about that particular scenario when reading through this thread.
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  #36  
Old 25th April 2017, 03:57 AM
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As in Demolition Man.
More like 'I Robot' with the Audi!
The biggest problem with all car safety is the rate of deceleration of the occupants. Deceleration needs to be as slow as possible (micro seconds make a difference), and manufacturers spend millions engineering crumple zones, seatbelts and rate of airbag deployment. The recent switch had been to active crash avoidance - the technology for which is flying headlong into automation, unfortunately...

I found the premise of this thread interesting, because there's been a concerted drive in the last 25 years in Australia to improve car safety (driven by annoyance for discrepancies like the Aussie designed Capri (POS - poor imitation of a MX5 based on 323 underpinnings, don't bother!) that was fitted with airbags for the US market, but not for ours).
There's a website called "How Safe is Your Car" which will give an indication of ENCAP and ANCAP (Aussie New Car Assessment Program) ratings for all cars on Australian Roads on the last 20 years and is recommended for people to visit before making any purchase decisions.
Safety is a major market driver in this country, and a poor ANCAP/ENCAP ratings will affect sales (the exception being the two star Mustang, although with the late 2017 update model promising five stars, we'll watch that one!). Even Toyota had to lift their game when ANCAP started testing utes and the Ford Ranger/Mazda BT50 (twins under the skin) and VW Amarok attained five stars. The new Hilux is now five stars, and that's despite commercial classed vehicles (vans, utes, and chassied 4x4's) not having the same legislated crash requirements as cars - it was purely market driven.
In fact most safety improvements over the past 20 years can be attributed to the critical success of ENCAP/ANCAP.

Just ask my missus why we bought the XC90 (the V8 version was my concession!)...
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Last edited by 27litres; 25th April 2017 at 04:04 AM.
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  #37  
Old 25th April 2017, 07:57 AM
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Originally Posted by audia8driver View Post
Regarding big cars..

if you recall the Mercedeses Benz s class that Princess Diana was unfortunately killed in, that big car did not provide the necessary protection.
It would seem that the car did provide the necessary protection, only it wasn't used at the time by all the occupants. Reports say she wasn't wearing her seatbelt, however her bodyguard (who was) survived.

http://edition.cnn.com/WORLD/9709/21...investigation/
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  #38  
Old 25th April 2017, 10:14 PM
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We all throw in some money and I'll buy a scrap A8 and perform some real world crashes with it. (Whilst not being inside the car...)
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  #39  
Old 25th April 2017, 10:24 PM
audia8driver audia8driver is offline
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We don't want to waste an A8, if you ask me, they look fantastic and are a true classic.

Seat belts make all the difference, however regardless of what it is, we are made of bones and flesh and cannot compete with metal.

Prevention systems are the way forward for safety it seems
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  #40  
Old 25th April 2017, 10:38 PM
daandaman daandaman is offline
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Said a scrap one .. gotta be cheap
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