Thingiverse

DUPLO train compatible electric locomotive

by trzeci

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Print gears, wheels, train body.
There are two bars as a support for engine mount,
to be cut out inside body (no need for support).
Gears and wheels need support or there is version with simple support.
All gears can be clicked in the train
Insert simple DC6V engine with 2mm shaft, size (WxHxL) 20x15x25mm
Simple rubber diameter 15mm may be glued on wheels.
All mounting points of axes should be lubricated with technical petrolatum, also small gears.

It works, runs a little bit too fast

Source

Thingiverse

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