The engine was designed to operate for extended speeds of Mach 3+ and at altitudes of more than 80,000 ft. The J58 was the first engine designed to operate for extended periods using its afterburner, and it was the first engine to be flight-qualified at Mach 3 for the Air Force. Two J58s power the SR-71 as well as the YF-12A and most of the A-12s.. Blackbird Diagrams Gallery. This archive consists of NASA and USAF diagrams of the different variants of the Blackbird.. used the J75 engine throughout its entire career. The J58 is the first engine designed to operate for lengthy periods in afterburner, and it is the first engine to be flight-qualified at Mach 3 for the Air Force. Blackbird.
The Lockheed SR-71 "Blackbird" is a retired long-range, high-altitude, Mach 3+ strategic reconnaissance aircraft developed and manufactured by the American aerospace company Lockheed Corporation. [N 1] Its nicknames include "Blackbird" and "Habu".[1]The SR-71 was developed in the 1960s as a black project by Lockheed's Skunk Works division. American aerospace engineer Clarence "Kelly" Johnson.. Welcome to the Blackbird Diagrams Gallery, an archive of USAF and NASA Diagrams. This gallery is to provide a better understanding of the aircraft's construction. More diagrams are available in the SR-71 Flight Manual. Click on thumbnail to enlarge. US Air Force Diagram: US Air Force Diagram: US Air Force Diagram: