Williams J400 Explained

The Williams International J400 is a small turbojet engine developed by Williams Research to power target drones.

Design

The J400 is a single-shaft, centrifugal/centrifugal-axial flow turbojet engine. There are two versions of the J400, the WR2 which yields 125 lbs. of thrust, and the more powerful WR24, which yields 190-240 pounds of thrust.^[1]

Applications

• BQM-74 Chukar^[2]
• Canadair CL-89

Notes and References

1. Leyes, Richard A.; Fleming, William A. (1999). The history of North American small gas turbine aircraft engines Chapter 10. Washington D.C.: AIAA /Smithsonian Institution. .
2. Web site: Northrop MQM/BQM-74 Chukar .