Front view of the Avrocar on variable height struts in 40x 80 wind tunnel with overhead doors open.

Paraglider Test in 40x80ft W.T.

DeHavilland augmentor installation in 40x80ft w.t.

DeHavilland augmentor installation in 40x80ft w.t.

Sykorsky Bearingless Main Rotor test in 40x80ft w.t.

Sikorsky Bearingless Main Rotor test in 40x80ft w.t.

Sykorsky Bearingless Main Rotor test in 40x80ft w.t.

SYKORSKY BEARINGLESS MAIN ROTOR TEST IN 40X80FT W.T.

Sikorsky Bearingless Main Rotor test in 40x80ft w.t.

Sikorsky Bearingless Main Rotor test in 40x80ft w.t.

NACA Photographer XSB2D-1 Navy/Douglas Airplane mounted in 40x80ft .w.t. viewed from centerpoint in guide vanes. First model tested in 40x80ft w.t.

High Speed Research (HSR) Source Noise Test-592, 40x80ft w.t.

40x80ft wind tunnel testing of a modification to a A-26B airplane (rockets, bomb and wing)

Double delta planform on a supersonic transport model mounted in the 40x80ft. w.t.

High Speed Research (HSR) Source Noise Test-592, 40x80ft w.t.

High Speed Research (HSR) Source Noise Test-592, 40x80ft w.t.

Large Scale Lift Fan Transport Model test-459 in the 40x80ft w.t.

Ames Aerial - 40x80ft wind tunnel

Supersonic Transport installed in 40x80ft w.t.

HEAT (High-Lift Engine Aeroacoustics Technology) Model test-596 in 40x80ft w.t.

NASA Ames Research Center interaction with environment. The profile shot of the 40x80ft. W.T. was time exposed in the early evening.

40x80ft wind tunnel testing of a modification to a Douglas A-26B Invader airplane (rockets, bomb and wing)

Controllable Twist Rotor test installed in 40x80ft w.t. W/B Mandwyler, A Lemnios, J McCloud, in wheelchair (airburshed image)

Brenton Safety (road) Sign test-40-0064 in 40x80ft w.t. SHARC model in background

Sykorsky Bearingless Main Rotor test in 40x80ft w.t. (Full-Scale Rotor Test Apparatus)

Boeing 747 wake vortex test-440 in thr 40x80ft. w.t. with Rufiange, Vern Rossow, Eloy Martinez

HEAT (High-Lift Engine Aeroacoustics Technology) Model test-596 in 40x80ft w.t.

Multi Mission Lift Cruise Fan Model in 40x80ft W.T. Test (Test-490)

Multi Mission Lift Cruise Fan Model in 40x80ft W.T. Test (Test-490)

HEAT (High-Lift Engine Aeroacoustics Technology) Model test-596 in 40x80ft w.t. with Brian Smith

40x80ft Wind Tunnel control room with technicians and engineers used in Ames Recruiting brochures 1979-1995

HSCT (High Speed Civil Transport) Ref-H Model test-594 in 40x80ft w.t.

Q-Fan configuration in the Ames Research Center's 40x80ft. Subsonic Wind Tunnel with test engineer Mark Betzina.

HSCT (High Speed Civil Transport) Ref-H Model test-594 in 40x80ft w.t.

SCAT (Supersonic Commercial Air Transport) 15F, Test-332 in 40x80ft. Wind Tunnel

HSCT (High Speed Civil Transport) Ref-H Model test-594 in 40x80ft w.t. with Jim Ross & Boeing Engineer

Supersonic Transport Model (SST) in 40x80ft w.t.

Supersonic Transport being installed in 40x80ft w.t.

HEAT (High-Lift Engine Aeroacoustics Technology) Model test-596 in 40x80ft w.t. with Brian Smith, Janet Beegle, Chris Allen & Jim McKenna

HEAT (High-Lift Engine Aeroacoustics Technology) Model test-596 in 40x80ft w.t. with Brian Smith, Janet Beegle, Chris Allen, Jim McKenna

E-7 STOVL fighter model testing in Ames 40x80ft Subsonic wind tunnel. Investigating Supersonic Short Take-off and Vertical Landing (STOVL) technology.

NASA/US Army Multcyclic test rotor in the Ames 40x80ft. Subsonic Wind Tunnel, Ames Research Center, Moffett Field, CA with John Bouldt.

40x80ft w.t. - balance house, control room with Brad Wick soon after it opened. The scales measured lift, drag and other forces mechanically.

NASA Ames Research Center interaction with environment. The 40x80ft. W.T. and the Numerical Aerodynamic Simulation (NAS) building (N-258) are shown in the background.

N-221 40x80ft wind tunnel control room

Recruiting Brochure: technician in 40x80ft w.t. control room

Recruiting Brochure: technician in 40x80ft w.t. control room

Space Shuttle Orbitor Model (A-100) in the 40x80ft W.T.

NASA Army UH-60 individual Blade Control (IBC) test-006 in the Ames 40x80Ft Subsonic Wind Tunnel (model configuration and microphone stands) Jeff Johnson (L) and Justin McLellan (R)

Sikorsky Bearingless Main rotor (SBMR) mounted on the Ames Rotor Test Apparatus (RTA) during testing in the NASA Ames 40x80ft Subsonic Wind Tunnel, test-584. Rotors in motion.

Sikorsky Bearingless Main rotor (SBMR) mounted on the Ames Rotor Test Apparatus (RTA) for testing in the NASA Ames 40x80ft Subsonic Wind Tunnel, test-584. Shown with NASA engineer Bob McMahon

Close-up from stand, 0 degrees nose flap deflection. Supersonic Transport model - landing & take-off problems, extended wing tips. 40x80ft w.t.

Motor and propeller blades in 40x80ft wind tunnel. Six 40-foot-diameter fans, each powered by a 6000-horsepower electric motor maintained airflow at 230 mph or less (these are still tornado velocities).

NASA Army UH-60 individual Blade Control (IBC) test-006 in the Ames 40x80Ft Subsonic Wind Tunnel (model configuration and microphone stands) Jeff Johnson (L) and Justin McLellan (R)

Army Parachute Drop Test in High Bay of NASA Ames 40x80ft. w.t. Test TR-024

Army Parachute Drop Test in High Bay of NASA Ames 40x80ft. w.t. Test TR-024

Army Parachute Drop Test in High Bay of NASA Ames 40x80ft. w.t. Test TR-024

Intergrated Systems Test (IST) personnel; 40x80ft w.t. control room after NFAC modification.

Army Parachute Drop Test in High Bay of NASA Ames 40x80ft. w.t. Test TR-024

Army Parachute Drop Test in High Bay of NASA Ames 40x80ft. w.t. Test TR-024

Intergrated Systems Test (IST) personnel; 40x80ft w.t. control room after NFAC modification.

VSTOL Fighter Model in the NASA Ames 40x80ft Subsonic Wind Tunnel. Test-537 with Mike Falarski & Ray Hafalia

VSTOL Fighter Model in the NASA Ames 40x80ft Subsonic Wind Tunnel. Test-537 with Mike Falarski & Ray Hafalia

Tilt-Wing Propeller model with blowing flaps in 40x80ft w.t.

XV-15 Tiltrotor Aircraft in 40x80ft w.t. - helicopter (take-off) mode

Space Shuttle Orbiter 101 model installation in the 40x80ft W.T. Test 462

AVROCAR Annular Jet VTOL Airplane; 40x80ft w.t. tests

Space Shuttle SSV orbiter model OA100 (0.36 scale): 40x80ft w.t.

Space Shuttle SSV orbiter model OA100 (0.36 scale): 40x80ft w.t.

NASA/NAVAIR Marine AV-8B aircraft test-493 in 40x80ft. w.t.

NASA/NAVAIR Marine AV-8B aircraft test-493 in 40x80ft. w.t.

XV-15 Tiltrotor Aircraft in 40x80ft w.t. - flight mode

55% SHARC model in 40x80ft w.t. test-597 with laser sheet

Space Shuttle Vehicle (SSV) 0.36 scale model, 40x80ft w.t. testing

NASA/NAVAIR Marine AV-8B aircraft test-493 in 40x80ft. w.t.

Space Shuttle A-100 installation in the NASA Ames 40x80ft Supsonic Wind Tunnel.

55% SHARC model in 40x80ft w.t. test-597 with laser sheet

Construction of Ames 40x80ft Subsonic Full Sscale Wind Tunnel; Approach to entrance cone looking north. Navy Blimp seen through opening.

Aviation Week Magazine Cover (August 21, 1978) depicts Ames XV-15 Tiltrotor Aircraft in 40x80ft w.t. test - helicopter (take-off) mode

1/50TH SCALE NFAC MODIFICATION MODEL TESTED IN 40X80FT W.T. (TEST-481) @ Ames Research Center, Moffett Field, CA

Pratt & Whitney Advanced Ducted Propulsor (ADP) Engine Test-590 in NASA Ames 40x80ft Subsonic Wind Tunnel. The Pratt & Whitney advanced ducted prop (ADP) demonstrator undergoing acoustic and fan performance testing. ADP technology could lead to decreased fuel consumption and noise.

Pratt & Whitney Advanced Ducted Propulsor (ADP) Engine Test-590 in the NASA Ames 40x80ft Subsonic Wind Tunnel. The Pratt & Whitney Advanced Ducted Prop (ADP) demonstrator undergoing acoustic and fan performance testing. ADP technology could lead to decreased fuel consumption and noise.

Space Shuttle Orbiter 101 model installation in the NASA Ames 40x80ft Subsonic Wind Tunnel. Test-462

NASA/Army UH-60 Individual Blade Control (IBC) test on LRTA in 40x80ft. Wind Tunnel at Ames Research Center

Lockheed P-38 model in 40x80ft w.t. with revised twisted wing at 10 deg. (tuft studies)

Army/Sikorsky Active Rotor Test TR40-019 in teh 40x80ft wind tunnel at Ames Research Center.

XV-3 from rear in Ames Reseach Center 40x80ft wind tunnel with K Edenborough and B. Ramsey

55% SHARC model in 40x80ft w.t. test-597 with Steve Craft, Lt. Col. Rick Perkins and

Space Shuttle Orbitor Model (A-100) testing in the NASA Ames Research Center 40x80ft Subsonic Wind Tunnel

Construction of the Ames Full-Scale 40x80ft Wind tunnel. - side view of entrance cone, blimp in background

N-221 40x80ft Wind Tunnel Aero-Acoustic Modification progress on floor and on ceiling panels

N-221 40x80ft w.t. Test Section Acoustic Modification Project - wall installation

NASA/Navy V-22 Rotor testing in the NASA Ames 40x80ft. Subsonic Wind.Tunnel with Fort Felker and Engenio DeVargas.

SPACE SHUTTLE VEHICLE (SSV) 0.36 SCALE MODEL, 40X80FT W.T. TESTING - TAIL FLAPS

XV-3 in Ames Reseach Center 40x80ft wind tunnel; Rotor dynamic stability tests

XV-3 in Ames Reseach Center 40x80ft wind tunnel; Rotor dynamic stability tests

N-221 Ames 40x80ft Subsonic wind tunnel construction; Constant speed - motor generator set.

X-14 NASA 704 Full Scale Airplane tests in 40x80ft. Wind Tunnel (NORMAL MOUNTING) jet inlets

N-221 40x80ft wind tunnel control room engineers read data printout

NASA/NAVAIR Marine AV-8B aircraft test-493 in 40x80ft. w.t. with test crew