PM multiple items.
SP&S Z-8 4-6-6-4 shorting.
Video: Tye freight drag.
https://www.youtube.com/watch?v=kF4H3Ll6ooA
Tender wheels were shorting.
Put some Kadee insulating washers on the insulated side of the wheel sets.
Tender centipede wheels touching outside frame.
Put some Kapton tape along the inside of the frame on the insulated side.
Painted many moons ago.
Has a functioning vestibule cab.
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C&O H-8 2-6-6-6 not moving.
Video:
Also, painted a 'long time ago'.
Surprisingly I have no 'road' videos of this engine.
https://www.youtube.com/watch?v=mLN1dsVWBtM
Tested the motor with the tender removed and via a DC power pack and all good.
Removed the tender shell to check the decoder and it, also, was good.
Never force stuff: had to remove the hand rails on all four corners from holes to remove the frame from the top of the tender.
Tested on the programming track and nada.
Thought I'd reload the engine address and all's good.
Unusual for the address to get 'lost'.
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GN Z-1 box cab electrics.
Lead truck 'jumping the rails' once in awhile.
Some solder wrapped around the axle.
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A couple freight cars derailed.
Replaced the plastic wheels with metal.
Sounds more 'scale' anyway when rolling on the track!