Tagged: engine

The National Championship Air Races 2014

  September. For the majority of the world, this is just another month on the calendar. Usually the harbinger of fall, and with it the beginning of school, cooler weather, the end of summer and depending on location, maybe...

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 Total Pressure Ratio    2,93:1 Bleed...