J57
Engine
Original archive entry. The text, images and links below are kept as they were written.
Pratt and Whitney turbojet engine family. Used on B-52 launch aircraft for X-15A and other US rocketplanes.
Subtopics
- J57-8 Pratt and Whitney turbojet engine. Out of production. Thrust is maximum sea level thrust; specific impulse is sea level value at that thrust. Used on Caleb launch vehicle. First flight 1960.
- J57-19 Pratt and Whitney turbojet engine. Out of production. Thrust is maximum sea level thrust; specific impulse is sea level value at that thrust. Used on B-52 launch aircraft for X-15A. First flight 1959.