Technical Specifications

Wind Tunnel Characteristics
Test Section 7 ft tall, 10 ft wide, 12ft long
Wind Speed up to 200 mph (100 psf) or higher
with a reduced test-section size
Mach Number up to 0.25 (or higher)
Turbulence Intensity 0.25% (DC to 2kHz)
Propeller Type 12.5-ft diameter Curtis Electric
Speed Control blade pitch and fan speed
Electric Motor Rating up to 1200 RPM, 2400 hp
Time to Set Speed Less than 60 seconds

LSWT-Schematic

External Balance and Turntable
Yaw Range -120° to +190°
Lift Force Range -1000 lb to +3000 lb
Drag Force Range ±1000 lb
Side Force Range ±1000 lb
Force Accuracy Greater of ±0.5 lb or 0.25%
Pitching Moment Range ±2000 ft-lb
Yawing Moment Range ±1000 ft-lb
Rolling Moment Range ±2000 ft-lb
Pitch and Yaw Accuracy Greater of ±0.5 ft-lb or 0.25%
Roll Accuracy Greater of ±1.0 ft-lb or 0.5%
Internal Balances
Task Mark X Task Mark XIII
Diameter 1.25 inch 1.25 inch
N1, N2 100 lb, ±0.1 lb 500 lb, ±0.4 lb
S1, S2 50 lb, ±0.1 lb 500 lb, ±0.5 lb
Axial Force 60 lb, ±0.1 lb 150 lb, ±0.1 lb
Rolling Moment 120 in.lb, ±0.5 in.lb 800 in.lb, ±1.7 in.lb
Pitching Moment 425 in.lb 2625 in.lb
Yawing Moment 260 in.lb 2125 in.lb

jetSmoke

Flow Quality
Dynamic Pressure Accuracy 0.2 psf
Spatial Flow Variation < 0.5% above 5 psf
Flow Angularity < 0.4° above 5 psf
Turbulence Intensity 0.25% (DC to 2kHz)
Boundary Layer Thickness 1.5 to 3.5 inches

turbulence

Flow Uniformity

uniformity