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Has anyone ever removed a motor from a steam engine and had it run like a dummy diesel?
I'd like to do a mountain road and they ran engines in tandem.
I have a hulk that doesn't run and thought this might be a use for it....but then again maybe I shouldn't.
 

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Yes, several times. It works but the unpowered steam locos do require a bit of pull by the powered locos to move them smoothly. They dl not roll as easily as dummy diesels.
 

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For many steam locos, you just have to pull the motor, then they'll freewheel. As Lee says, with the extra mechanical moving parts, rolling resistance will be more than a simple diesel. Now, if you want smoke and sound, that will be different.
 

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Lee has probably posted a thread on steam dummies here at some point. But you should heed his advice about how they add drag to the powered unit. If you are building a mountain road with significant grades, the non-powered steamer might just be the only thing your powered unit can pull up the grade.

You would be better off getting twin LC+ steamers and running them off of one remote. Lee has probably done that too.
 

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On second thought, you could use a steam dummy to model a helper pair returning to base after pushing a train up a grade. But don't expect the pair to pull much other than perhaps a caboose.
 

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Hi TRH, you might want to watch the YouTube video, 1939 American Flyer O Gauge Mountain Red Ball Double Header Set No. 310 The set came with a powered locomotive and an unpowered second steam locomotive with a special front coupler. What locomotives are you planning to run? Are you running conventional transformer control or command control? Does your unpowered dummy steamer have a front coupler? There are other posts on the forum that talk about double heading steamers. Attached is a picture of my Lionel 224 with modified front coupler to double head. Try it, you'll like it.
Scale model Transport Track Railway Vehicle
Auto part Vehicle Metal
 

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I've done it with American Flyer engines. I just pulled the drive gear off of the rear drive axles.That way I still had choo choo and smoke.
 
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