Products & Capabilities

External Wind Tunnel Balances

3 Component External Wind Tunnel Balance

These balances are designed specifically for use in small to medium sized wind tunnels having cross sections of about 500 to 1200mm. Of high accuracy, they are ideally suited to both undergraduate teaching and post graduate research work. The load sensing elements are high precision, strain gauged load cells with excellent repeatability and linearity characteristics and are temperature compensated for a temperature range of 0 to 60C.

The geometrical construction of the load sensing systems allows the complete separation and independent measurement of the components of Lift, Pitch and Drag with negligible interactions of one component into another.

 

 

 

Data Sheets : Load Ranges

A combination of any of the three component load ranges shown may be incorporated at manufacture.

ComponentSI UnitsImperial
Lift0 – 90 N
0 – 120 N
0 – 180 N
0 – 240 N
0 – 20 lbf
0 – 27 lbf
0 – 40 lbf
0 – 54 lbf
Drag0 – 30 N
0 – 60 N
0 – 120 N
0 – 6.7 lbf
0 – 13.5 lbf
0 – 27.0 lbf
Pitching Moment0 – 2.5 Nm
0 – 5.0 Nm
0 – 10.0 Nm
0 – 22 lbf - in
0 – 44 lbf - in
0 – 88 lbf - in

The above figures are typical only as each balance is designed and manufactured to customer specific requirements. Different load ranges can usually be accommodated.

Features

  • Available in under tunnel or over tunnel configurations
  • Accuracy – all three components better than 0.15% full scale
  • Incidence Angle – manually set for a range +40 to -30
  • Tare Weight Systems – incorporated for all three components
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