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Old 04-06-2007, 11:16 PM   #58 (permalink)
fastom
Psycho
 
Location: way out west
Dil
Those first exhaust joints are not to deal with expansion, they are flex couplings for trucks and front wheel drive cars where the engine moves in the frame more than normal vehicles. The second ones are also mainly for flex and they also allow for expansion of pipes in turbocharged trucks where the large diameter exhaust pipes can crack welds with movement. So yes, they do expand a very small amount and that is enough to warrant the bellows type joint. Don't be thinkin' it moves like an accordion, we are talking small fractions of an inch for expansion and far more for engine vibration.

Those WTC walls bowing out then inward from expansion and contraction would be doing so less LESS THAN AN INCH ... you saw that on video very clearly yet all those other anomalies are the result of grainy videos?

Which expert says the walls expand a couple of feet then very quickly contract that much without being quenched in ice water?

Last edited by fastom; 04-06-2007 at 11:27 PM..
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