http://www.airspacemag.com/military-aviation/The-Jet-that-Shocked-the-West-232396531.html

 Interesting read....thanks for posting!

Excellent read!

One of the things learned the hard way in the X-1 program was the need for full flying horizontal stabilizer as you approach mach. Neither the Mig or the Saber had this. I wonder why the problem was more pronounced in the Mig then the F-86.