Lockheed YF-12 test bed aircraft model

[hesham]

Hi,


did we discuss this subject before or not ?.


http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19770011052_1977011052.pdf

 

[DSE]

Hi,


did we discuss this subject before or not ?.


http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19770011052_1977011052.pdf

There is a problem with the above NTRS URL, it seems to point to NASA Technical Memorandum 85938
V/STOL Concepts in the United States-- Past, Present, and Future