That is an awesome compliment mate, thank you!
I've finished the full assembly (of the modeled components), and aside from some minor tweaks, I think it works quite well. I've included some pictures with a 35mm Reaper miniature for scaling. As 35mm is very close to 1:50, I'm certain you'll get the idea. The entire model is about 5cm long, or 2.5 m (8 ft, 2 inches (or so)) to scale. I've built it with freely rotating wheels and a loose wedge (although the little blighter does keep falling out when shifted). Easy enough to tack them in place if you prefer. I hope to finish the modifications (and blocks/tools) and instructions within a few weeks, so easily before Christmas.
Little bits
Components
Another shot
Top View
Enjoy!
Tirick
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