|
Yup. Hunting around now on sites like Snopes, but I can not see crushed spark plug insulator doing anything much to windscreen glass in a laminated screen anyway. Just not enough mass. Given that I have worn a couple of rocks the size of golf balls and larger at 100kmh in my time and come out without even a chip.
Have also seen firies showing the difference between breaking a side window (With a special impact tool they use for the job, I suspect it is an auto centre punch for sheet metal work but did not get a good look) On a standard window, one click and the window as diamonds in the seat. On a tinted window it made a bullseye chip after a couple of shots. On a laminated windscreen, thunk, thunk, thunk, thunk. That was it. They are designed to take some pretty huge forces in that direction (They are part of the structure of the car itself)
For a laminated screen anyway, it sounds like an urban legend to me.
Edit: Now looked at the youtube link posted by Jen. Side windows are tempered glass where windscreens are not (Not in Australia anyway, not sure when laminated glass became mandatory in new cars, but it would have been in the 80's)
Something like that happening is exactly why safety glass windscreens went the way of the dinosaur.
|