Research engineer, Harry Henninger of the Ryan Aeronautical Company, with the deflected slipstream model VZ-3RY Vertiplane.

NACA Photographer Ryan model Number 92 Vertiplane

VZ-3RY (AF 56-6941, NASA 235, NASA 705) Vertiplane - Level flight 25 knots, flaps deflection 60 degrees. Flight investigation o f the flying qualities of a deflected slipstream VTOL aircraft. Note: Used in publication in Flight Research at Ames; 57 Years of Development and Validation of Aeronautical Technology NASA SP-1998-3300 fig. 115