One Sad Day for Mankind…the Passing of Neil Armstrong
I awoke today to the sad news that Neil Armstrong Had passed at age 82. Neil Alden Armstrong (August 5, 1930 – August 25, 2012) was an American NASA astronaut, test pilot, aerospace engineer,...
Tagged: Steve Kates (DrSky)
John C. Evans discusses the development of the P&W J-58 engine used in the A-12 and SR-71 Aircraft
Pratt & Whitney Aircraft J-58 (JT11D-20) Characteristics’. Maximum Thrust 34,000 Lb Military Thrust 23,900 Lb Weight 6,250 Lb Length 215.940 In Maximum Diameter 55.43 In Sea Level Air Flow 326 Lb/Sec Compression Ratio 8.5:1...
