|Object Name:||Dual P-S Air Pressure Transducer Module|
|Year of Manufacture:||1969|
|Location:||Archive Object Store|
This Pitot-Static Transducer was used in the Jaguar Air Data system. The nameplate is also marked "Ref STP1991654" with "EBLR Apr 90" alongside the nameplate. The unit contains two independent P-S Capsule Units 81-04-05 with Ser. Nos: 065/69 and 066/69 and each aneroid capsule (or usually two capsules to magnify the movement) is coupled to an arm sliding along a wire wound resistor. A small servo motor was used to further amplify the movement of the capsules to operate the internal gear train. This simple arrangement transmits the difference signal between the Pitot and Static pressure to a remote indicator for Indicated Air Speed. The signal is also fed to a locking solenoid used in Height Lock mode to maintain barometric height.