3/4 front view of Ducted fan model with 40 deg. exit vane cascade, semi span model. Don Richey
3/4 front view with cascade exit vane in Ames 40x80 foot wind tunnel, with Tom Seymore, mechanic for Ames. Don Richey
3/4 rear view of ducted fan model with cascade exit vane in Ames 40x80 foot wind tunnel, with Tom Seymore, mechanic for Ames. Don Richey
3/4 front view of full scale X-22A ducted fan model. Chuck Greco
3/4 front view offull scale X-22A ducted fan model. Chuck Greco
Forward overhead view of lift fan transport model, with two, of a possible six, high pressure ratio wing lift fans. Lift Fan Model In 40 X 80 Wind Tunnel; Test 40-347 Don Richey