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3 October 1974
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NORTHROP YF-17 COBRA FLIGHT TEST PROGRESS REPORT - 3 OCTOBER 1974

YF-17 unique wing-root slots provide maximum air flow stability for combat maneuvering at high angles of attack.


Summary of Edwards AFB Flight Test Data as of 2 October 1974
Total flights: 121 (#001 - 96 flights since 9 June; #002 - 25 flights since 21 August)
Total flight time: 130 hours 37 minutes
Maximum airspeed to date: Mach 1.92
Wind-up turns: To 8.5 G's
Angle of attack (AOA): 63 at 50 knots with full control
Side-slip angle: 36 yaw at 58 AOA with full control
Stall/post stall test phase: 100% complete 26 September
In-flight refuelings: 89 hookups since 5 September in 25 missions
Airstarts: 25
USAF-piloted flights: 58 made by four USAF pilots

YF-17 #001 takes off on test flight.


 

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