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Richard Casto
 Post subject: Boeing 747-8 and dumping a bunch of energy into the brakes
PostPosted: Fri May 13, 2011 10:14 am 
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Article with video (watch the video) of certification test for brake performance during aborted take off in worse case scenario...

http://news.cnet.com/8301-17852_3-20060716-71.html

* Max weight (about 975K pounds)
* Worn brakes (I assume they removed most or all of the friction material from the pads)
* No reverse thrust from engines
* 200+ MPH
* No assistance from fire dept for 5 minutes

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JohnByers
 Post subject: Re: Boeing 747-8 and dumping a bunch of energy into the brak
PostPosted: Fri May 13, 2011 10:23 am 
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thats very cool. I am impressed that they would test with a fully fueled plane like that.

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KendtEklund
 Post subject: Re: Boeing 747-8 and dumping a bunch of energy into the brak
PostPosted: Fri May 13, 2011 11:15 am 
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JohnByers wrote:
thats very cool. I am impressed that they would test with a fully fueled plane like that.


Do they have a non-flammable fuel weight equivalent they could fill the tanks with?

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ColinOConnell
 Post subject: Re: Boeing 747-8 and dumping a bunch of energy into the brak
PostPosted: Fri May 13, 2011 1:45 pm 
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KendtEklund
 Post subject: Re: Boeing 747-8 and dumping a bunch of energy into the brak
PostPosted: Fri May 13, 2011 11:03 pm 
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Tortured hardware is cool -

http://www.youtube.com/watch?v=m1dv_y_3EK0

http://www.youtube.com/watch?v=j973645y5AA&feature=related

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Todd Breakey
 Post subject: Re: Boeing 747-8 and dumping a bunch of energy into the brak
PostPosted: Sat May 14, 2011 9:07 am 
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KendtEklund wrote:
JohnByers wrote:
thats very cool. I am impressed that they would test with a fully fueled plane like that.


Do they have a non-flammable fuel weight equivalent they could fill the tanks with?


Nope. It gets filled with standard issue Jet A.

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