Full-scale wind-tunnel investigation of the longitudinal aerodynamic characteristics of the M2-F1 lifting body flight vehicle

o n was performed i n t h e Ames 40by 8 0 -~o o t Wind Tunnel.The aerodynamic c h a r a c t e r i s t i c s T;ere determined f o r an angle-of-attack range of -8' t o 24O, f o r s e v e r a l c o n t r o l s e t t i n g s , and f o r dynamic pressures ranging from about 14 t o 56 p s f .s t a t i c margin d(&/dCL ranged from about -0.08 t o -0.13).For t h e range of c o n t r o l s e t t i n g s examined and a t a given angle of a t t a c k , t h e c o n t r o l effect i v e n e s s , &m/a8f, w a s equal t o about -0.006/deg.The maxi" untrimmed lift-to-drag r a t i o w a s 2.9.A comparison of trimmed aerodynamic c h a r a c t e r i st i c s w a s made between wind-tunnel and f l i g h t determined r e s u l t s which show good agreement i n view of t h e d i f f e r e n c e s i n t e s t conditions.The vehicle was l o n g i t u d i n a l l y s t a b l e ( t h e