A combination of techniques to create a motorized bogie/truck for trains.
About this creation
This is a combination of several designs, mainly an XL Motor design found here by Nathaniel Brill and the 3 Axle Trucks by Mike Kollross that I am so fond of using.
This design, used primarily for steam locomotives, will give you plenty of pulling power, albeit not much speed. This is also used mainly in tenders, with a 5x5 gap in the tender that goes around the XL Motor. Here is a good example, also by Nathaniel Brill. The tender sits around the motor and on top of the bogie/truck. The bogie/truck uses the motor as a pivot point. I have not seen a good tutorial/LDD file for something like this, so I created one. Enjoy!
A side view of the bogie/truck.
The underside, which shows the gearing.
The following is a small step-by-step tutorial showing how to make one of these. The LDD file is also included to aid in recreating this design.
I wanted to reiterate that this is a combination of designs that I have seen, and merely mashed them together. The originals are NOT my design, nor did I have anything to do with designing the originals. I am merely creating a tutorial to show how this is done so others may have a guide (since reverse-engineering from a completed picture can be difficult).
Pretty cool design, the attachment for the 3rd axle is very similar to the one I used for my 4-axle tender. The motor mounting technique will be useful whenever I get around to converting it to PF, though I'll probably have to modify it a bit so that it is shorter.
Quoting Paul Beach
A design similar to this would be great for building six axle diesels! Thank you for commenting on my stuff.
Yep, not a problem. There are several other things that can be done with this design (as people here on MOCpages have done), but this gives the most power to the wheels. Adding any extra axles/gears induces friction, which will result in power loss. Although that loss may be trivial with something this small, it is the concept.
Quoting Trevor Young
Wait nevermind. I see it now.
I provided a link at the beginning showing how the XL Motor itself is the pivot point. I will be using this design in the tenders that I am designing for jd davis, so when those are uploaded hopefully it will also help clarify.
Quoting jd davis
good job there twitch this will help me in my newest project, a steam turbine. all you have to do is shove who knows how many into the mammoth's tenders
I figured two for each tender, giving a total of four. My research showed that people that use just two of these are able to haul a LOT. Granted, they do not go as fast as the passenger locomotives, but they definitely get the job done. I imagine that four of these will do very nicely.