2-Prop. R.C.F. (Rotating Cylinder Flap) in 40 x 80ft. wind tunnel. 3/4 front view with Jim Weiberg Chuck Greco.
Photographer Art Melliar
2-Prop. R.C.F. (Rotating Cylinder Flap) in 40 x 80ft. wind tunnel. 3/4 front view with Jim Weiberg Chuck Greco.