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Re: Crash Tests (Saab 9-5 pictures??)



Yea, it s miniscule but no one seemed to knw how much it was so since I
remembered seeing that I thought I'd post it.  At least give SOME idea of
how in-elastic they are.  Or how elastic.  
	THanks

	Todd Phenneger
	1983 ur-q / black / getting a MC
	1984 4000 Turbo quattro (Faster than your average 4kq)
	1987 4000 quattro / Saphire Metallic Blue/ Girlfriend's
	1996 A6q / Volcano / Dads Car
   *****1985 5kt / PARTING OUT!
  *	http://www.uidaho.edu/~phen9461/motorsports.htm

On Wed, 15 Dec 1999, Lawrence C Leung wrote:

> In this case, what you have is nearly COMPLETE in-elasticity. A couple of
> feet over even a 1/2 second works out to a fairly insignificant bounce
> back velocity. For comparison, 60 MPH is 88 feet per second. So, to be
> fair, assume bounce back to be 4 feet (a hood length) over a 1/2 second,
> or 8 ft/sec. This is less than 10% of 88 ft/sec or less than 6 MPH (3
> m/s). Now try this in the 60/0 post to find the total energy that can be
> absorbed. 
> 
> On Wed, 15 Dec 1999 06:10:44 -0800 (PST) Todd Phenneger
> <phen9461@uidaho.edu> writes:
> >Ok,
> >	I'm not even go to TRY to get into the Physics of this
> >debate.  Not my area. :-)   Just was thinking of something I saw a 
> >while
> >back.
> >	Did anyone see the first pics of the crash testing done on the 
> >new
> >Saab 9-5 by Saab???  I believe speed was 60mph for each car.  Head 
> >on,
> >offset 1/3 from each other  (I mean really, how often is the 
> >collision
> >DIRECLY head on, usually at least one car is steering away. )   Hence 
> >the
> >offset.
> >	THey hit, both cars rear tires actually came off the ground 
> >about
> >1-2 feet.  THen they both ended up back a few feet from each other.  
> >Just
> >though this would indicate the mild elastic effect that people are
> >throwing around.  To me this clearly shows that there is some 
> >elasticity
> >to the collision.  But not much since it was only a couple feet.  
> >(few
> >feet, not sure, didn't measure the picture. :-)   
> >	BTW...if any one has the Automobile article with it in there, 
> >or
> >maybe another article, if you look real carefully, you can see the
> >headlamp from the car on the left about 20 feet in front of the car, 
> >still
> >going 60mph.  :-)  Thought that was pretty funny.  I noticed the 
> >headlight
> >seemed to be missing.  Then saw an object the same size trailing 
> >glass
> >fragments flying through the air, guess I'm not the only person that 
> >has a
> >problem with the adjustment screws pushing in to far and the light 
> >coming
> >loose. :-)
> >	l8r
> >
> >	Todd Phenneger
> >	1983 ur-q / black / getting a MC
> >	1984 4000 Turbo quattro (Faster than your average 4kq)
> >	1987 4000 quattro / Saphire Metallic Blue/ Girlfriend's
> >	1996 A6q / Volcano / Dads Car
> >   *****1985 5kt / PARTING OUT!
> >  *	http://www.uidaho.edu/~phen9461/motorsports.htm
> >
>