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12 hour clock with synchro output |
The transmitting device consists basically of a standard Camerer Cuss panel mounted
clock incorporating a Smiths Industries synchro, which is driven by the clock mechanism, to
provide a time source independent of the electrical system of the aircraft. It provides
an accurate time-base for all data being recorded, the time-related transmission
from the clock unit being logged on a magnetic tape or wire along with all other required data. In the Trident,
for example, data from the aircraft instruments and the time-related signal
are all recorded inside the flight recorder. The clock is a standard 2in panel mounting
model and the extension of the synchro behind the panel is less than 3in. The clock can be supplied with a
12- or 24-hour dial. (FLIGHT International, 12 December 1968) |
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In addition to the GMT time-of-flight clock, incorporating a Moore, Reed time digitiser, produced for
BOAC's EFDAS-equipped aircraft, Camerer Cuss have developed a new a.c. data transmitting
device for the Plessey PV726A system installed in BEA's new aircraft. Based on
a standard 2in panel-mounting clock and incorporating a Smiths Industries Type 08
synchro, the device provides an accurate time base for recorded data. Operation is independent
of the aircraft electrical system. (FLIGHT International, 3 Ju\y 1969) |
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