L-1011 Trainer Installation: ARINC 429 Mixed Data Rate Tests

L1011 Trainer - ARINC 429 Mixed Label and Bus Speed Test

Now that the 429 cabling is complete I have stated with mixed data rate testing for the ADI, the HSI and the VSI. Between the three instruments I am sending a total of 24 different labels on both 100Kbps (HS) and 12.5Kbps (LS). The bus setup for the instruments shown in the video below is as follows:

• CAPTHS1 (Captain's ARINC 429 High Speed Bus 1)
• CAPTLS1 (Captain's ARINC 429 Low Speed Bus 1)
• CAPTLS2 (Captain's ARINC 429 Low Speed Bus 2)

and

• FOHS1 (F/O ARINC 429 High Speed Bus 1 as instrument alternate source)
• FOLS1 (F/O ARINC 429 Low Speed Bus 1 as instrument alternate source)

L-1011 Trainer Installation: Fuel System Panel

L-1011 Trainer: Fuel System Panel

In this posting I conducted some tests with the Lockheed L–1011 fuel system panel. 

The image above shows the Lockheed L–1011 Fuel System panel illuminated in switch light test mode. Many of the system panels have a test input that allows for quick illumination of all of the switchlights and annunciators on a single panel. 

The image below shows a typical panel configuration when sitting at a parking position with let's say only the engine 2 running. 

L-1011 Trainer: Fuel System Panel

Below is the pressurized fuel flow path from Tank 2R to Engine 2 marked with the dashed orange line:

L-1011 Trainer: Fuel System - Tank 2R Fuel Pressure to Engine 2

Also, as I am bringing these panels online I am switching them from incandescent to LEDs. The LEDs help return the yellowed switch light lenses back to white.

L-1011 Trainer: Fuel System Panel LED Replacement

In the image above the Tank 1 Pump number 2 has been converted to LED lighting.