Tram Engine

This is a Tram Engine based on the Bobber Caboose, but now with the "planks" horizontal like photos of LNER J70 (/ GER Class C53). A video of the prototype being tested is here: https://youtu.be/43rY8J1DrOc

You can add the "Toby Face" , modified from http://www.thingiverse.com/thing:293591, and a driver, http://www.thingiverse.com/thing:1413975 (here he is enlarged in x and y, to make him a "fat driver!)

Four of the wheels are powered, by "TT Motor" gearboxes from EBAY, search for "TT motor Ardunio". They are about £2 each or so. The wheels are to G1MRA guidelines for "standard" wheels on 45mm track. There are also "treaded" wheel versions, that take two 20mm*1mm square cross section rubber bands to improve traction.
(In the photos I did not spot I had fitted three treaded wheels and three standard wheels).

UPDATE March 30 2016 : following tests, I would advise changing to the "28mm" diameter wheel to give a bit more clearance, especially on bumpy track and points. I have