JP-7: A Look at the Special Fuel of the SR-71

Flying at altitudes and speeds unheard of for contemporary jet aircraft, the Blackbird family required a fuel with unique properties to perform in the extremes the aircraft would be subject to. The Mach 3+ speeds of the Lockheed A-12, M-21, YF-12A, and SR-71 would heat fuel up to 350 degrees, and, lacking insulated fuel tanks, […]