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In memory of Karl Davis, founder of this board, who made his final journey 12th June 2007

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Topic Review
the bear

[*] posted on 10-7-2009 at 01:05
Quote:
Originally posted by delanti
I would be more inclined to think the glass had a crack or chip in it when he hit it. Windshields are designed as part of the integral structure of the car. When you have an accident and the air bag deploys it deploys against the windshield so the concave, less strength theory don't hold water. If it did, when the air bag deployed the glass would give way and the air bag would go out the opening and so would you. waveysmiley


We could be talking frozen chicken theory here.


Regards the Bear
delanti

[*] posted on 9-7-2009 at 23:58
I would be more inclined to think the glass had a crack or chip in it when he hit it. Windshields are designed as part of the integral structure of the car. When you have an accident and the air bag deploys it deploys against the windshield so the concave, less strength theory don't hold water. If it did, when the air bag deployed the glass would give way and the air bag would go out the opening and so would you. waveysmiley
scholar

[*] posted on 9-7-2009 at 23:20
No, he is a mild-mannered pastor, more like Bruce Banner than the Hulk.

I might be likened to Dr. Banner myself.:D
the bear

[*] posted on 9-7-2009 at 21:33
Was he related to the incredible Hulk?


Regards the Bear
John_Little

[*] posted on 9-7-2009 at 20:48
What an excellent point, Leigh!
DeWitch

[*] posted on 9-7-2009 at 15:26
Could it be designed that way so that people who do not know enough to to wear seat belts are less apt to crush their skulls?
Just guessing since then they could easily be "launched" ha ha ha
LSemmens

[*] posted on 9-7-2009 at 14:10
SWMBO did similar to our windscreen some years back, she put her foot on the dash and the screen broke! I would suggest that it was already stressed from a stone chip, or the like, which it is wise to get all chips attended to as soon as they happen, rather than waiting for them to either develop into a crack, or the screen to shatter. Most vehicle insurance policies tend to cover windscreen repair and replacement as part of the policy, anyway, IIRC, third party property also includes this in many cases, too.
scholar

[*] posted on 9-7-2009 at 11:47
Congratulations--John Little and Topcat each have the correct answer--the glass is designed to be strong and resistant toward impact from outside the car, but is weak toward inside impact. I got the answer immediately, but my friend tells me he has mentioned this to many people who cannot figure it out.

This could be called the egg principle. In some cases, an egg can be hard to break from the outside, but even a baby bird can break out from the inside.
Quaver

[*] posted on 9-7-2009 at 10:42
Quote:
Originally posted by John_Little
He didn't shoot the fly, did he? Scholar?

You never know with gun lobyists.

roffle
John_Little

[*] posted on 9-7-2009 at 09:55
He didn't shoot the fly, did he? Scholar?

You never know with gun lobyists.
marymary100

[*] posted on 9-7-2009 at 09:34
Well if you've seen the autoglass ad you'll know just how easy it is to break a window that has already had a chip out of it or a crack.
Snowy

[*] posted on 9-7-2009 at 07:58
Perhaps the Man didn't know his own strength, he may have a fist like a hammer.
:D:Dwaveysmiley
Topcat

[*] posted on 9-7-2009 at 07:56
Quote:
Originally posted by scholar
The friend who gave me my new car told me of this event:

An insect was buzzing around in the passenger compartment of his car while he was driving. It landed on the windshield (windscreen). He swatted at it with his hand, and completely broke the windshield!

Why/how did this happen? He only used his hand--no weapon. He did not even make a fist.

Again: why/how did the glass break?



The shape of a screen is Convex when looked at from the outside and is designed this way to give it added strength, something like the construction of a dam, viewed from the inside the shape is Concave and inherently weaker, I would also suspect some sort of previous misshap.

Topcat.
John_Little

[*] posted on 9-7-2009 at 07:53
Could be. In fact its very likely. It could also be that the windshield is stressed against incoming pressure not outgoing. Like more car windscreans/shields it is probably curved outwards. But I'm still amazed.
Quaver

[*] posted on 9-7-2009 at 07:11
Perhaps it was already weak?
scholar

[*] posted on 9-7-2009 at 04:03
The friend who gave me my new car told me of this event:

An insect was buzzing around in the passenger compartment of his car while he was driving. It landed on the windshield (windscreen). He swatted at it with his hand, and completely broke the windshield!

Why/how did this happen? He only used his hand--no weapon. He did not even make a fist.

Again: why/how did the glass break?