Originally posted by Goonz SVT:
Originally posted by We Todd:
Originally posted by Goonz SVT:
And am I suppose to believe that there was no airplane wreckage found and that every thing burned away..not even a landing gear or anything? Cause I've seen planes burn to pieces like the concorde but still there is somthing left.. I dont understand.. ?

Goonz, as I stated before, there is a great video on ifilms that should help with this. Its a test with a F-4 running into a concrete wall at speed. The video looks to be done in the 80s buy its quality. Search there for that video and it should help explain it. Sorry I can't remember what the title is.




yea but theres a difference between an F4 hitting than a 757..I dunno..oh well



Exactly what difference? One plane is much bigger...so...there's an order of magnitude more kinetic energy involved, so while we're making uninformed guesses based on inexperience and apparent lack of 'believable' real-world examples of 757's crash-tested at 450 or 500 knots into kevlar-reinforced concrete, might as well posit that the leftover pieces would be even smaller with the 757, since the airframe is proportionally weaker to that of a fighter and said energy released at impact is much, much greater.

But let's not bother with the physics involved. It's what people think should happen based on the almighty intuition that takes the day...

EDIT: FWIW, 1) the Concorde had just taken off when its mishap occurred. There is no comparison between the impact speeds involved; 2) The ValuJet 593 DC-9 that TourDeForce alluded to went down nose first with a similar impact speed (as Flight 77) into a relatively soft marsh and dug itself a 40' hole into limestone; many extremely small pieces left, assuming you 'believe' those pictures. There is little reason to believe by comparison that any other airliner, larger or smaller, traveling at a similar speed, striking a fortified obstacle, will result in anything less than billions of tiny, charred, almost unidentifiable giblets.

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