Ludwig Gross Betriebe Werkslok

ge_rik

British narrow gauge (esp. Southwold and W&LLR)
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Does anyone know how the Ludwig Gross Betriebe Werkslok is wired up internally? Someone has been in contact asking about converting one to battery power. Is there a socket on the back? Does the socket connect to the motor?

Rik
 
What is one of them pease Rik.?
 
Rik this is LgB 2060 or 20620, if you can find the break down diagram for this it should help you. Other LGB numbers of these as variants are 21620, 21625, 22620, 70500 and 23620.
 
Rear socket will be track-power..

If they want to do an absolute minimum:
Remove skates and bullets. Feed RC output in through rear socket.

This will operate just like an analogue track-powered loco. - No constant lighting.

More work would need to be done, if the original loco had a decoder fitted.

PhilP
 
Rik this is LgB 2060 or 20620, if you can find the break down diagram for this it should help you. Other LGB numbers of these as variants are 21620, 21625, 22620, 70500 and 23620.
Thanks Jon
I'm still none the wiser.

LGB20620 wiring.png

It would seem logical that as the wiring to the rear socket is the same colour code as the wiring to the motor block it would be a direct connection, but the chap says when he's tried connecting them up nothing happens. Here's what he says ....

I connected the socket to the remote control system, the locomotive didn't run smoothly. It seems the electricity is being modulated through the internal circuit board. And then to test whether that socket has a direct connection to the motor, I inserted a direct line from an LGB power line to the socket, the motor didn't run and the locomotive has very dim light. It may explain that the socket does not directly link to the motor but rather modulated through a circuit board. It could be used for lights but not for powering the locomotive.

Are there three poles to the socket? Maybe he connected the wrong ones up to the power source?

Rik
 
Had he got it on his track?
What else was on the track?
Was the track powered?
Has he removed the pickups?

It would be better to test on blocks, or a rolling road. - No other power sources..

PhilP
 
Neat, not seen that colourway before. Looks like a double pin socket on the rear cab wall.
General views were that it is not good practice to feed the loco through those 2 plugs.

Ok to use them with a complete rewire so that they feed to the motor via the board as if they were track power. But as that looks like an oldie with a 3 wire connection x the chassis things get more complex as the chassis uses a common feed from one side with a separate motor and track setup the other. I assume the guy wants to use the pickups to power via a battery van or some such, not always and easy option with the 3 pin chassis and he would need to pull out any link to track thus possibly disrupting feed to the motor because of that 3 wire setup.
 
Easiest to take that board out and start again. Or stick with track power.
 
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