Winter 3 Airspeed Indicator 6 Fms 403 Range 0 To 100 Knots 510 Dial

Airspeed-indicators measure the difference between total pressure and static pressure.The total (or measured) pressure is sensed by a pitot tube positioned at the stagnation point of the airstream and is carried to the airspeed indicator by a hose. A static pressure sensor can also be connected.The measuring element is an open diaphragm unit with excellent elastic properties; hysteresis (differences between advance and return movement) and secondary elastic effects are negligible. The effect total pressure and static pressure acts on the diaphragm, causing a deformation, that is transferred to the pointer by a linkage and gear mechanism. The different operating ranges of the aircraft can be identified by colour markings on the airspeed indicator dial. The instruments are insensitive to shock and vibration.

Manufacturer Part #: 6403