[Milsurplus] OT: B-52 Video

[D C *Mac* Macdonald]

Even so, it was a helluva rough ride in summer
over the deserts of west Texas at 100' AGL!!

73 - Mac, K2GKK



----Original Message Follows----
From: Dan Arney <hankarn at pacbell.net>
To: whitaker at ieee.org
CC: milsurplus at mailman.qth.net
Subject: Re: [Milsurplus] OT: B-52 Video
Date: Thu, 28 Dec 2006 20:21:50 -0600

Clete,
The BUFF was an overgrow B-47 Stratojet that had drooping Wings with out 
riggers much like todays U-2/TR family.
On the takeoff roll they all have to get the wing flying FIRST to lift the 
airframe and the weight. So at speed the wing lifts its eight and no 
rotation is required the plane then is flown on bug speed for the weight and 
configuration.

If the commercial aircraft did that and the little old lady from Pasadena 
looked out and saw that wing doing that she would have reached a pucker 
factor of 10++++, so the wing is stiffer and you have to rotate the aircraft 
to get the wing to the angle of attack to make the mother fly on bug speed 
for the weight and configuration.
But for the facts of life if the wing did not flex in flight in an arc of 
plus 10 to 12 ft.and minus to 4 ft  in a B-747 you would have very rough 
ride. FYI The B-777-LR stress plane went to over 24 feet positive
to 154% of it design before it let go and blew up. in the test rig.

end aero 101 HiHi.
Hank KN6DI/5