NAVWEPS Oo-8OT-80  BASIC AERODYNAMICS  DOWNWASH FLOW FIELD 8EHlNO A SWEPT TAPERED  WING ILLUSTRATED BY TUFT-GRID PHOTOGRAPHS  45’  DELTA, AR=4.0,X=O  -It-  30° OF FLOW ANGULARITY  94  (DEG)  0  8  STALL  16  STALL  (a) TUFT GRID 6 INCHES FROM  (b) TUFT GRID 24 INCHES FROM  TRAILING EDGE  TRALLING EDGE  FROM NACA TN 2674  Figure 1.33. Staff Patterns (sheet 4 of 81  81 