Optional Features:

Data Acquisition, Display and Control (DAC) System National Instruments hardware and LabVIEW software (no license necessary) Capable of monitoring: Force/Moment Balance output, pressures, model angle of attack, and temperature (additional hardware required) Capable of setting and maintaining wind tunnel airspeed (dynamic pressure) regardless of model orientation Dell desktop computer with required peripherals included

 

3-Component Force/Moment Sting Balance Simultaneously measure Normal Force, Axial Force, and Pitching Moment Quickly reconfigurable to measure Side Force, Axial Force, and Yawing Moment 3/8-inch outside diameter sting mount Adaptable to alternate model positioning systems 1st-order Factory calibration (supplied with Balance-specific calibration bar)

 

Model Positioning System (MPS) Designed specifically for the EWT (but adaptable to other test sections) Parallelogram design keeps models centered regardless of pitch angle Manually operated (gearbox) pitch control +/- 20-deg

 

Drag Model Set Mountable to a 3/8-inch sting Five (5) model set teardrop backward cup sphere forward cup circular flat plate

1:48 th Scale F-16 Model 11.5 inches (29.2cm) long with 7.5 inch (19cm) span Mountable to a 3/8-inch Sting

Wing with Slat and Flap Clark Y-14 airfoil Adjustable slat and flaps Mountable to a 3/8-inch Sting 9.875 inch (25cm) span and 3.5 inch (9cm) chord

Pressure Cylinder 24 flush-mounted pressure taps along its circumference Angular position is manually set from the yaw table (vertical mount) Outside diameter of 4 inches (10.2cm) Supplied with all necessary tubing

Pressure Wing 18 flush-mounted pressure taps around the Clark Y-14 airfoil Angular position is manually set from the yaw table (vertical mount)

Boundary Layer Plate and “Mouse” 10-tap total pressure probe (“mouse”) Three streamwise mouse stations along the length of the flat plate Pressure taps ascend at an angle to span the boundary layer

 

Wake "Rake" 18 total-pressure ports Ports span ~1.75 inches (4.445cm) Probe Length ~10 inches (25.4cm)

Yaw Probe



Three pressure ports with 60-deg spacing Overall length of 10.5 inches (26.7cm), outside diameter of 0.125 inches (32mm) Mounts easily in EWT test section window probe port Adjustable triangular base for angle indication

Pitot-static Probe



Rounded tip total-pressure port and 6 static ports Mounts easily into the test section window Reaches 2.6 inches (6.6cm) forward of the bend and extends 13 inches (33cm) to the bend witn an outside diameter of 0.125 inches (32mm)

Turbulence Sphere Highly polished 4 inch (10.2cm) diameter Mountable to a 3/8-inch sting Critical Reynolds number determination with balance data only - sphere has no pressure ports

Multi-columnn Manometer 24-tube 0 – 14 inches (0 – 35cm) of water Anodized alumnimum, glass tubes, brass fittings and silicone tubing Silk screen scale and grid Mounts to the EWT

Model Storage and Display Cabinet Plexiglas top-hinged door with aluminum handle Convenient storage for models, tools and documentation

Smoke Generator Electrically operated Produces think white smoke for flow visualization Includes one gallon (3.79 liters) of smoke fluid

Pressure Transducer Array High-accuracy solid-state absolute pressure transducers available in 12,18 and 24-Channel blocks RS 485 communication simplifies and reduces wiring Anodized aluminum housing Directly integrates with the EWT DAC or as a stand-alone unit (USB interface)

Pressure Spheres (Turbulence) Set of 4 Spheres EWT model positioning system mount provided One (1) total port and one (1) static port (averaged from four (4) 22.5-deg static ports) Storage case included

3/8-inch "Dummy" Sting A low-risk alternative for mounting visualization or pressure models Identical dimensions to the 3/8-inch sting