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SR-1 Turboprop (Propfan) Model in the 8x6 foot Supersonic Wind Tunnel (SWT)

SR-1 Turboprop (Propfan) Model in the 8x6 foot Supersonic Wind Tunnel (SWT)

SR-1 Turboprop (Propfan) Model in the 8x6 foot Supersonic Wind Tunnel (SWT)

SR-2 Advanced Turboprop (Propfan) in the 8x6 foot Supersonic Wind Tunnel (SWT)

SR-2 Advanced Turboprop (Propfan) in the 8x6 foot Supersonic Wind Tunnel (SWT)

SR-2 Advanced Turboprop (Propfan) in the 8x6 foot Supersonic Wind Tunnel (SWT)

SR-2 Advanced Turboprop (Propfan) in the 8x6 foot Supersonic Wind Tunnel (SWT)

SR-3 Propeller mounted on Turboprop Rig in the 8x6 Foot Supersonic Wind Tunnel (SWT)

SR-3 Propeller mounted on Turboprop Rig in the 8x6 Foot Supersonic Wind Tunnel (SWT)

10X10 FOOT SUPERSONIC WIND TUNNEL SWT MODEL

10X10 FOOT SUPERSONIC WIND TUNNEL SECOND THROAT DAMAGE AND REPAIR

General Aviation Propeller with DR Incorporated Pro Wake Survey Probe in the 10x10 foot Supersonic Wind Tunnel

Three Bladed General Aviationn Propeller in the 10x10 foot Supersonic Wind Tunnel (SWT)

10X10 FOOT SUPERSONIC WIND TUNNEL SECOND THROAT DAMAGE AND REPAIR

10X10 FOOT SUPERSONIC WIND TUNNEL SWT

10X10 FOOT SUPERSONIC WIND TUNNEL SWT MODEL

Three Bladed General Aviationn Propeller in the 10x10 foot Supersonic Wind Tunnel (SWT)

10X10 FOOT SUPERSONIC WIND TUNNEL SECOND THROAT DAMAGE AND REPAIR

Three Bladed General Aviationn Propeller in the 10x10 foot Supersonic Wind Tunnel (SWT)

General Aviation Propeller with DR Incorporated Pro Wake Survey Probe in the 10x10 foot Supersonic Wind Tunnel

10X10 FOOT SUPERSONIC WIND TUNNEL SWT MODEL

10X10 FOOT SUPERSONIC WIND TUNNEL SWT

SR-3 High Speed Turboprop (Propfan), Laser Doppler Velocimeter in the 8x6 foot Supersonic Wind Tunnel (SWT)

10X10 FOOT SUPERSONIC WIND TUNNEL SECOND THROAT DAMAGE AND REPAIR

10X10 FOOT SUPERSONIC WIND TUNNEL SWT MODEL

General Aviation Propeller with DR Incorporated Pro Wake Survey Probe in the 10x10 foot Supersonic Wind Tunnel

10X10 FOOT SUPERSONIC WIND TUNNEL SECOND THROAT DAMAGE AND REPAIR

General Aviation Propeller with DR Incorporated Pro Wake Survey Probe in the 10x10 foot Supersonic Wind Tunnel

General Aviation Propeller with DR Incorporated Pro Wake Survey Probe in the 10x10 foot Supersonic Wind Tunnel

10X10 FOOT SUPERSONIC WIND TUNNEL SECOND THROAT DAMAGE AND REPAIR

10X10 FOOT SUPERSONIC WIND TUNNEL SWT MODEL

General Aviation Propeller with DR Incorporated Pro Wake Survey Probe in the 10x10 foot Supersonic Wind Tunnel

General Aviation Propeller with DR Incorporated Pro Wake Survey Probe in the 10x10 foot Supersonic Wind Tunnel

SR-3 High Speed Turboprop (Propfan), Laser Doppler Velocimeter in the 8x6 foot Supersonic Wind Tunnel (SWT)

General Aviation Propeller with DR Incorporated Pro Wake Survey Probe in the 10x10 foot Supersonic Wind Tunnel

10X10 FOOT SUPERSONIC WIND TUNNEL SWT MODEL

General Aviation Propeller with DR Incorporated Pro Wake Survey Probe in the 10x10 foot Supersonic Wind Tunnel

10X10 FOOT SUPERSONIC WIND TUNNEL STEAM AIR HEAT EXCHANGER AND MIS OF GAP MODEL

10X10 FOOT SUPERSONIC WIND TUNNEL SWT MODEL

Three Bladed General Aviationn Propeller in the 10x10 foot Supersonic Wind Tunnel (SWT)

Three Bladed General Aviationn Propeller in the 10x10 foot Supersonic Wind Tunnel (SWT)

10X10 FOOT SUPERSONIC WIND TUNNEL STEAM AIR HEAT EXCHANGER AND MIS OF GAP MODEL

SR-3 High Speed Turboprop (Propfan), Laser Doppler Velocimeter in the 8x6 foot Supersonic Wind Tunnel (SWT)

Three Bladed General Aviationn Propeller in the 10x10 foot Supersonic Wind Tunnel (SWT)

10X10 FOOT SUPERSONIC WIND TUNNEL STEAM AIR HEAT EXCHANGER AND MIS OF GAP MODEL

10X10 FOOT SUPERSONIC WIND TUNNEL SECOND THROAT DAMAGE AND REPAIR

General Aviation Propeller with DR Incorporated Pro Wake Survey Probe in the 10x10 foot Supersonic Wind Tunnel

Three Bladed General Aviationn Propeller in the 10x10 foot Supersonic Wind Tunnel (SWT)

SR6 Advanced Turboprop (Propfan) Mounted on the PTR in the 8x6 foot Supersonic Wind Tunnel (SWT)

SR-6 Advanced Turboprop (Propfan) with Instrumentation Rake Airjet in the 8x6 foot Supersonic Wind Tunnel (SWT)

SR6 Advanced Turboprop (Propfan) Mounted on the PTR in the 8x6 foot Supersonic Wind Tunnel (SWT)

SR-6 Advanced Turboprop (Propfan) Model in the 8x6 foot Supersonic Wind Tunnel (SWT)

SR6 Advanced Turboprop (Propfan) Mounted on the PTR in the 8x6 foot Supersonic Wind Tunnel (SWT)

Rake mounted on the Nacelle just aft of the Advanced Turboprop (Propfan) SR-6 in the 8x6 foot Supersonic Wind Tunnel (SWT)

SR6 Advanced Turboprop (Propfan) Mounted on the PTR in the 8x6 foot Supersonic Wind Tunnel (SWT)

SR6 Advanced Turboprop (Propfan) Mounted on the PTR in the 8x6 foot Supersonic Wind Tunnel (SWT)

SR6 Advanced Turboprop (Propfan) Mounted on the PTR in the 8x6 foot Supersonic Wind Tunnel (SWT)

Four Bladed SR-3 Configuration of the Advanced Turbo Prop (Propfan) Model in the 8x6 foot Supersonic Wind Tunnel (SWT)

SR6 Advanced Turboprop (Propfan) Mounted on the PTR in the 8x6 foot Supersonic Wind Tunnel (SWT)

SR6 Advanced Turboprop (Propfan) Mounted on the PTR in the 8x6 foot Supersonic Wind Tunnel (SWT)

Rake mounted on the Nacelle just aft of the Advanced Turboprop (Propfan) SR-6 in the 8x6 foot Supersonic Wind Tunnel (SWT)

SR6 Advanced Turboprop (Propfan) Mounted on the PTR in the 8x6 foot Supersonic Wind Tunnel (SWT)

Four Bladed SR-3 Configuration of the Advanced Turbo Prop (Propfan) Model in the 8x6 foot Supersonic Wind Tunnel (SWT)

SR6 Advanced Turboprop (Propfan) Mounted on the PTR in the 8x6 foot Supersonic Wind Tunnel (SWT)

Four Bladed SR-3 Configuration of the Advanced Turbo Prop (Propfan) Model in the 8x6 foot Supersonic Wind Tunnel (SWT)

SR-6 Advanced Turboprop (Propfan) with Instrumentation Rake Airjet in the 8x6 foot Supersonic Wind Tunnel (SWT)

A supersonic wind tunnel with side wall removed to show flexible plate nozzle at the Arnold Engineering Development Center

CPT Walter West, an Air Force test director, right, and John Riddell, an engineer, examine a 27 percent scale model of a jet engine inlet in the 16-foot supersonic wind tunnel during tests at the Arnold Engineering and Development Center