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.

Sikorsky 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.

SYKORSKY 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.

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.

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.

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

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

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

Supersonic Transport installed in 40x80ft w.t.

Ames Aerial - 40x80ft wind tunnel

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

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

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

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.

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

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

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

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

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

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

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

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

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

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

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

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

Supersonic Transport being installed in 40x80ft w.t.

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

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

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

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

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

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.

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.

N-221 40x80ft wind tunnel control room

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)

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).

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

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.

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)

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

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

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

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

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

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

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

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. - helicopter (take-off) mode

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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)

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

M-2 Lifting body 40x80ft Full Scale Wind Tunnle

M2-F2 lifting body flight vehicle in 40x80ft w.t.

M-2 Lifting body 40x80ft Full Scale Wind Tunnle

M-2 Lifting body 40x80ft Full Scale Wind Tunnle

M-2 Lifting body 40x80ft Full Scale Wind Tunnel