1/16 Bucyrus-Monighan Walking Dragline

[9W Monighan]

Took some time today to crack open the 1:1 mater switches from the scrapped Marion.
Lots of #10 wire I had cut to get these things loose from the cab.



The switches don't use potentiometers like I thought. Looks like some sort of variable transformer that changes the voltage to the control room.


Control Room. Lots of interesting things in here.



Here is another switch I have that has a potentiometer on the bottom.



My Big question is; Does anybody know what value the pots on the Spektrum DX7 Transmitter are?
I don't want to disconnect them from the radio just yet.
The plan is to hack the radio's joysticks and rewire them to the correct potentiometers that will be installed on my master switches from the 1:1 machine.

Closeup showing inside radio and pot mounted on master switch.