Tagged: Online Museum

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...

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