Exploratory static-stability tests were made on models of the MK-84 weapon and a modular weapon configuration during simulated weapon separation from the wing of the F-4C Tactical Fighter Aircraft at freestream Mach numbers 1.76, 2.0, and 2.5. Data were obtained with the parent aircraft at zero angle of attack and the weapon at the carriage incidence angle of -1 deg. Supplementary data were obtained for weapon angles of attack of + or - deg. Unit Reynolds number ranged from 4.6 million per ft at M free stream mach number = 1.76 to 6.2 million per ft at M free stream mach number = 2.5. Selected results are presented which show the effects on the weapon aerodynamic loads of free-stream Mach number, weapon angle of attack, weapon axial position, and the presence of other stores. Representative shadowgraph and schlieren photographs of the interference flow field are also presented. (Author)
Wind Tunnel Investigation of Aerodynamic Loads on Weapons Separated from Carriage Under The Wing of a Tactical Fighter Aircraft at Supersonic Speeds
1973
52 pages
Report
No indication
English
Fluid Mechanics , Aircraft , Bombs , Jet fighters , External stores , Separation , Aircraft ammunition , Aerodynamic loading , Load distribution , Supersonic flow , Supersonic characteristics , Wind tunnel models , Model tests , Flow fields , Fuel tanks , Stability , Angle of attack , Interference , Site selection , Supersonic aircraft , Release mechanisms , Moments , Schlieren photography , F-4 aircraft , F-4c aircraft , Mark-84 bombs , Modular construction , Weapons , Pods , Struts , Triple ejector racks
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