Pratt and Whitney J 58

• Single spool jet with an afterburner
• Used in Lockheed A-12, YF-12, and the SR-71
• Record for fastest man breathing air aircrafts held by YF-12
• and the SR-71 used the J 58.
• Could go up to Mach 3.2

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The Lockheed SR-71 Blackbird

• Powered by P&W J 58
• Advanced, long range, mach 3+ reconnaissance aircraft
• Thrust of 30,000 pounds 

Technical Specifications

• Compressor: 9 stage axial flow,single spool
• Combustor: