vendredi 7 février 2014

Re: Hurled Steel Girders

There's a whale of a Gish Gallop going on in another thread started by newbie "Kearnsy". http://ift.tt/1aFnOS4 I thought I'd reply to one of his posts here with a specific proposal for some truther research rather than in the original thread, since I'm pretty sure the whole thing will wind up in AAH. Kearnsy, this is for you and any remaining Truthers who may wish to abandon your failed tactics and do some serious research. It'll even be kind of fun.






Quote:








Originally Posted by kookbreaker



.....



You do realize the sheer amount of potential energy converted into kinetic energy, yes? It comes as no surprise that a girder near the top of the collapse hit a part of the structure that caused much of the momentum to be deflected horizontally and sent it into nearby buildings. Why is this difficult to understand?



Furthermore, if one knows a bit about explosives you should understand that unless you have some kind of cannon/projectile system it is very hard for explosives to move something like a girder - let alone throw it 100 feet. Demolition charges are designed to cut girders, not throw them. Any other explosive would just make a messier demolition but would not throw girders 100 feet.




Quote:








Originally Posted by Kearnsy (Post 9821410)

Ok, so what you're saying is it's very hard for explosives to hurl multi ton steel girders laterally, but fire, with the help of kinetic energy that can do it?



Is that what you're saying?



Also, do you think I'm an idiot?







I'll pass on the hilited part, but here's a serious suggestion for you troofies:



Acquire some A36 steel plate, about 1" thick, in sections about 100 lb. apiece. Suspend them from rope or cable. No need for something weighing tons for our tests.



Test #1: Have the biggest, strongest person you can find take a good swing at one with a sledge hammer. Note how far the steel travels. (Shoot video if you like.)



Test #2: Make up some thermite paint and glop it onto the steel as thick as you can. Ignite it and see how far the steel moves. (It won't). If you like, mix different batches with different sizes of aluminum granules, including "nano". (It won't make any difference.) You'll also find that thermite applied to a vertical column doesn't do much, and mostly just falls off.



Test #3: You'll need someone with a high-explosives license for this. Cut the steel in half with linear shape charges. You'll be surprised at how little the steel moves. For fun, replace the high explosive in the shape charge with your nanothermite and see what happens. (It won't cut through a thing.)



Test #4: Attach explosives directly to the steel. You'll find that even charges big enough to bend the steel won't move it very much. Explosives just don't make very good propellants. But it will make a nice, deafening explosion.



Test #5. Attach rockets to the steel. Forget about David Chandler's mythical "nanothermite rockets"; they exist only in his fever dreams. Instead, try ammonium perchlorate/aluminum as a propellant. (Better have an expert do this.) See how your results vary with how big a rocket you use. When you get some real movement, think of how you could conceal such a rocket somewhere on a perimeter column in the Twin Towers (and remember, you're only propelling a fraction of the weight of the columns that were supposedly shot hundreds of yards.)



When you're done, you'll realize how completely loony is the notion that the columns were hurled by explosives, rockets, or whatever. But you may have a pretty cool-looking video to sell, or put on YouTube. ;);)





via JREF Forum http://ift.tt/1aFnN0x

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