Monday, July 22, 2013

L-1011 Trainer Installation: %N2 Instrument Power-Up - 400Hz Power System Validation


The short video clip above shows another set of instruments now connected to the 400Hz power distribution system. By the way, we finally found a third %N2 RPM indicator that should arrive at the museum shortly so that we can finally replace the fake one we still have in place for Engine 3. What you see in the video is the instrument self test, or BITE (Built In Test). In the case of the %N2 RPM indicator the BITE will drive the instrument to 91% RPM N2.

By the way, one day I will learn how to operate instruments and hold the camera more steady at the same time!

Below is the description of the %N2 Tachometer taken from the Delta's Pilots Reference manual for the Lockheed L-1011.

L-1011 %N2 Tachometer - from Delta L-1011 Pilot's Reference

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