The Pratt & Whitney J58 (company designation JT11D-20) is an American jet engine that powered the Lockheed A-12, and subsequently the YF-12 and the SR-71 aircraft.

Pratt & Whitney designed this engine for continuous operation at high Mach number flight with compressor inlet temperatures above 400 degrees C (750 degrees F). Development began about …

Feb 2, 2024 · Development for the Pratt & Whitney-designed J58 turbojet engine began in 1958. At the time, the United States Navy sought a fast reconnaissance jet, though it would later be the U.S. Air …

Details and performance specifications of the Pratt & Whitney J58 afterburning turbojet engine.

Sep 9, 2022 · The Pratt & Whitney J58 is an American afterburning turbojet engine that powered the Lockheed A-12, the YF-12 interceptor, and the SR-71 Blackbird reconnaissance as well as the SR …

The J58 engine was developed in the late 1950s by Pratt & Whitney Aircraft Division of United Aircraft Corp. to meet a U.S. Navy requirement. It was designed to operate at speeds of Mach 3+ and at …

The Pratt & Whitney J58 engine was a powerful engine developed in the late 1950s, designed for high speed and high altitude. The engine is best known for powering the Lockheed SR-71 “Blackbird,” a …

The centerline of the basic J58 engine was laid down in late 1956. It was to be an afterburning turbojet rated at 26,000-lb maximum takeoff thrust and was to power a Navy attack aircraft which would have …

Max. operating altitude: above 80,000 ft. The SR-71 Blackbird is powered by two Pratt & Whitney J-58 turbo-ramjets, each developing 32,500 pounds of thrust with afterburning. The critical problems …

The Pratt & Whitney J58 (company designation JT11D) was a jet engine used on the Lockheed A-12, and subsequently on the YF-12 and SR-71 aircraft. The J58 was a single-spool turbojet engine with …