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Reply to "American Hi-Rail Dreyfuss"

Continuing saga of my engine, I decided that having it run just forward is not ideal so I have been digging into my boxes to see what may help to update it a bit more.

I found a spare Lionel reverse unit which is numbered 691-DREU-A  It came in a box of other odds and ends some time ago.

What does the AO2 on the chip mean?

I believe this is used for DC motors as I want to use it with an SNS can motor, will this be OK?

IMG_0227

Below it shows the naming of the pins that the plugs connect to but I just need to clarify what they are if someone can help me out here please.

The two SW1's must be for a switch, is this for the smoke or directional control?

SM- and SM+ must be for the smoke unit I hope.

What is the voltage output for the smoke supply and its maximum current?

M- and M+ must be the motor

GND and 3RD I assume are the AC supply in

IMG_0228

The last picture is something I must have picked up many years ago and it looks like someone was trying to put a set of scale wheels on an AF chassis. They are of the Scullin type but who made them and if it was a kit, for which engine? If they hade been for hi-rail I might have used them.

The chassis is an early Pacific or Hudson with buttons on the bottom.

IMG_0226

Looking at photographs of the prototype 5445 it seems some show it with drivers similar to the AF style while the majority show the Boxpok style. What is the history of this engine and the different style driving wheels?

Attachments

Images (3)
  • IMG_0227: Reverse unit
  • IMG_0228: Reverse unit
  • IMG_0226: Old AF chassis

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