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NASA Meatball NASA Dryden F-15 ACTIVE Aircraft banner
F-15B ACTIVE with thrust vectoring nozzles on test stand view from rear F-15B ACTIVE with thrust vectoring nozzles on test stand view from rear
Photo Number: EC95-43338-13
Photo Date: 13 Nov 1995
Formats: 558x480 JPEG Image (98 KBytes)
1191x1024 JPEG Image (601 KBytes)
2000x1720 JPEG Image (757 KBytes)
Description: This November 13, 1995, photograph of the F-15 Advanced Controls Technology for Integrated Vehicles (ACTIVE) at NASA's Dryden Flight Research Center, Edwards, California, shows the aircraft's two new Pratt & Whitney nozzles that can turn up to 20 degrees in any direction. These nozzles give the aircraft thrust control in the pitch (up and down) and yaw (left and right) directions. This will reduce drag and increase fuel economy or range as compared with conventional aerodynamic controls, which increase the retarding forces (drag) acting upon the aircraft.

Ground testing of a new thrust-vectoring concept employing the nozzles took place during the first two weeks of November 1995 and went well, and flight tests began in March 1996. These tests could result in significant performance increases for military and commercial aircraft. The research program is the product of a collaborative effort by NASA, the Air Force's Wright Laboratory, Pratt & Whitney, and McDonnell Douglas Aerospace.
Keywords: F-15; ACTIVE; Advanced Controls Technology for Integrated Vehicles; thrust vectoring; ground test
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