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8
votes
3answers
485 views

What was the 12v AC socket for on the 7864 transformer?

The 7864 transformer had, in addition of the main regulated outlet for controlling trains and a fixed 12v DC for plugging in remote controls and lights, a third socket available which provided 12v AC. ...
5
votes
2answers
2k views

Can I use the old 12V rails with the remote trains?

I have a bunch of old 12v track. I am looking to get my son into LEGO, but I am thinking of getting the remote set so we can expand it some more. My question is, can I connect the new track to the ...
3
votes
1answer
42 views

What prevents a 12V motor, when pushed by hand, from providing DC electric out?

This question is somewhat related to a similar question I asked about whether pushing a 12V train motor (such as the one below) would damage it. See title "Set 7865: six wheeled Lego® train motor ...
2
votes
1answer
86 views

Will playing with a 12V train motor by hand damage it?

This question is similar to one for PF motors. The 12V motor bogie has considerably more resistance than does the newer PF bogie motor, which may be moved very easily when not operating. So, if one ...