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  #16  
Old 11-26-2008, 12:42 PM
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Quote:
Originally Posted by PaulC View Post
Fricking propaganda. The whole thing was staged!
Can I borrow your Tahoe to conduct some tests?

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  #17  
Old 11-26-2008, 12:53 PM
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Quote:
Originally Posted by jlomon View Post
That's pretty much it. The Tahoe ran a red light and the guy in the Mini didn't see it, which means the Mini was probably rolling at least 30 or 40 mph - there's a ton of kinetic energy being released into the side of the Tahoe. I find it interesting that the Mini's windshield still appears to be in place - I'd have though that the airbags deploying would have dislodged it.

The Mini does seem to take a frontal hit very well. But if it was the other way around, with the Tahoe t-boning the Mini at 30 or 40 mph, this would have had a very different ending.
My calculations show the mini cooper at 30 mph( 13.41 meters per second) with a mass of 1132KG the mini cooper would have 101.80 Kilojoules of energy as it slams into the Tahoe.

Add some gravity and Newtons First and Third law applies here.
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  #18  
Old 11-26-2008, 01:14 PM
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Quote:
Originally Posted by TheDon View Post
My calculations show the mini cooper at 30 mph( 13.41 meters per second) with a mass of 1132KG the mini cooper would have 101.80 Kilojoules of energy as it slams into the Tahoe.

Add some gravity and Newtons First and Third law applies here.
I actually came up with 106.1 kilojoules, because I weighed the car out at 1180 kg (2300 lb car plus two occupants). I don't say that to contradict you, but to give you some comfort that you aren't the only one here who geeked out and calculated it.
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  #19  
Old 11-26-2008, 01:32 PM
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So can we put to rest the cries of the roads are unsafe to drive on in small cars because evil SUV's are too big and dangerous?
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  #20  
Old 11-26-2008, 01:34 PM
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Quote:
Originally Posted by PaulC View Post
Fricking propaganda. The whole thing was staged!
I don't think it's a propaganda. These $hitboxes roll really easy. I've seen it. Just about every winter when the roads get slick I see flipped-over SUV's. Never passenger cars. Also I saw a report once on death statistics that showed that the death rate in SUV's & pickups is the same as in sedans (all sizes combined) because of the roll-over risk. The only thing that SUV's and pickups do is endanger drivers of other vehicles while offering no additional protection to the occupants.
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  #21  
Old 11-26-2008, 01:48 PM
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Quote:
Originally Posted by jlomon View Post
I actually came up with 106.1 kilojoules, because I weighed the car out at 1180 kg (2300 lb car plus two occupants). I don't say that to contradict you, but to give you some comfort that you aren't the only one here who geeked out and calculated it.
yea, the whole passenger thing, Kinda forgot those things.

The Tahoe at the same speed with 200lbs of driver would have 273.83 Kilojoules of energy as it slammed into something.

nice
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  #22  
Old 11-26-2008, 02:31 PM
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Quote:
Originally Posted by DieselAddict View Post
I don't think it's a propaganda. These $hitboxes roll really easy. I've seen it.

Just about every winter when the roads get slick I see flipped-over SUV's. Never passenger cars.
In my four-season community, which includes mountainous terrain, winding and hilly secondary roads and several Interstates/turnpikes, I see vehicles of all descriptions lying belly-up virtually year-around. What is so special about your area that apparently allows the laws of physics to apply only to SUV's, particularly considering that comparably-sized 4WD pickups have approximately the same mass, track and CG?

Quote:
Originally Posted by DieselAddict View Post
Also I saw a report once on death statistics that showed that the death rate in SUV's & pickups is the same as in sedans (all sizes combined) because of the roll-over risk. The only thing that SUV's and pickups do is endanger drivers of other vehicles while offering no additional protection to the occupants.
Oh. Let's assume that a particular two-car accident is an inevitability - one that involves a head-on high-speed collision between a 2007 Chevrolet Tahoe and a slightly older Volkswagen Jetta. You have no power to adjust any circumstance of the accident other than your choice of driver's seat. Your selection?
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  #23  
Old 11-26-2008, 02:39 PM
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Originally Posted by iwrock View Post
Can I borrow your Tahoe to conduct some tests?
Of course! The one-day rental fee is $42,000, payable in advance.
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  #24  
Old 11-26-2008, 02:57 PM
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Quote:
Originally Posted by PaulC View Post
In my four-season community, which includes mountainous terrain, winding and hilly secondary roads and several Interstates/turnpikes, I see vehicles of all descriptions lying belly-up virtually year-around. What is so special about your area that apparently allows the laws of physics to apply only to SUV's, particularly considering that comparably-sized 4WD pickups have approximately the same mass, track and CG?



Oh. Let's assume that a particular two-car accident is an inevitability - one that involves a head-on high-speed collision between a 2007 Chevrolet Tahoe and a slightly older Volkswagen Jetta. You have no power to adjust any circumstance of the accident other than your choice of driver's seat. Your selection?
There aren't as many pickups in my area as there are SUV's, so that might have something to do with it. As far as passenger cars go, of course they can roll over as well but the chance is much lower, about 10% vs. 24% for the Tahoe.

In your scenario, I'd probably choose the Tahoe. But in real life, I'd most likely be able to avoid your $hitbox and keep on driving, whereas there's a good chance you'd be rolling over after trying to avoid me.
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  #25  
Old 11-26-2008, 02:59 PM
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Quote:
Originally Posted by jlomon View Post
I actually came up with 106.1 kilojoules, because I weighed the car out at 1180 kg (2300 lb car plus two occupants). I don't say that to contradict you, but to give you some comfort that you aren't the only one here who geeked out and calculated it.
If you really wanted to geek it out.....tell us precisely where each car came to rest after impact?
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  #26  
Old 11-26-2008, 03:02 PM
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Quote:
Originally Posted by DieselAddict View Post
There aren't as many pickups in my area as there are SUV's, so that might have something to do with it. As far as passenger cars go, of course they can roll over as well but the chance is much lower, about 10% vs. 24% for the Tahoe.

In your scenario, I'd probably choose the Tahoe. But in real life, I'd most likely be able to avoid your $hitbox and keep on driving, whereas there's a good chance you'd be rolling over after trying to avoid me.
What makes you think I would try to avoid you? Too dangerous, I might flip over in my teetery ol' $hitbox. Best just to squeeze my eyes shut and await the slight bump.

I must be a lucky guy: 200k miles in $hitboxes during the course of my life and never once have I even lifted a tire...
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  #27  
Old 11-26-2008, 03:08 PM
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Quote:
Originally Posted by PaulC View Post
What makes you think I would try to avoid you? Too dangerous, I might flip over in my teetery ol' $hitbox. Best just to squeeze my eyes shut and await the slight bump.

I must be a lucky guy: 200k miles in $hitboxes during the course of my life and never once have I even lifted a tire...
Wrong logic. You'll fly if you hit me. If you try to avoid me, there's a chance you won't. In fact now I'm not really sure I'd pick the Tahoe in your scenario. I'd like to see a test crash first.

Yup, you're lucky. I guess so am I so far.
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  #28  
Old 11-26-2008, 03:11 PM
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Quote:
I might flip over in my teetery ol' $hitbox
By the way, thanks for giving me a good laugh. I like this phrase a lot.
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  #29  
Old 11-26-2008, 03:20 PM
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I'd say that Mini is probably totaled. Yes??
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  #30  
Old 11-26-2008, 03:27 PM
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Quote:
Originally Posted by PaulC View Post

I must be a lucky guy: 200k miles in $hitboxes during the course of my life and never once have I even lifted a tire...
I'm counting my blessings as well since lifted Wranglers have been reported to roll over if someone in an adjacent vehicle farts.

Despite their reputations they generally need and incompetent driver to perform such feats.

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