Hi, http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19700024789_1970024789.pdf
hesham ACCESS: USAP Senior Member Joined May 26, 2006 Messages 28,996 Reaction score 6,900 Nov 11, 2009 #1 Hi, http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19700024789_1970024789.pdf Attachments VSTOL 1.JPG 31.7 KB · Views: 51 VSTOL 2.JPG 42.8 KB · Views: 50 VSTOL 3.JPG 26.4 KB · Views: 46