L-1011 Light Plate Power-Up
I finally got my hands on a nice and compact 5VDC 120A power supply for the instrument panel light plates. Almost every panel in the Lockheed L-1011 cockpit has a backlit light plate that illuminates the legend on the plate. The power for the Light plates is 5VDC. Due to the fact that there are so many of them and that they use incandescent bulbs we needed a supply that can output a lot of Amps for the 5V required. Today we tested the power supply with 4 panels on the overhead panel: We powers up the Captains Windshield Wiper panel, the Exterior Lights panel on the eyebrow and the Interior Light panel also located on the eyebrow. Some of the light plates need some of the bulbs replaced, but, that's to be expected when dealing with 40 year old flight hardware.
The plan is to have all over the overhead and center console light plates powered up over the coming weekend.
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