Mechanical Variometer, Vane Type, Model: 5 StV 5

80 mm (3 1/8")
±5 m/s
3 second response time

Application
Indicates the aircraft's vertical speed (rate of climb, rate of descent). The variometer is the most valuable aid on all types of aircraft for pilots whishing to fully exploit the prevailing thermal conditions. This variometer has a linear dial calibration so that it can be used with a MacCready ring (see below).
Technical Data
Black plastic housing, See scale drawing at right for installation dimensions. Shock-resistant
Weight: 0.220 kg (7.8 oz), Weight with W-9014 0.45 L capacity flask: 0.4 kg (14 oz)
Includes W-9014 0.45 L Capacity Flask