Only the body is required. Note it is hollow with strengthening ribs inside.
Motorised Chassis decisions
My first thought was to 3D print (I have a printer) the chassis, bogie and pony truck and buy a motor, axles, gears and wheels. A nice, cheap project to print some of the components. I looked into the cost of driving wheels and motor, which came to nearly £30 alone so, had second thoughts. It was going to take quite a bit of time to design and not be cheap!
Why reinvent the wheel when Hornby produced a nice motorised chassis. I looked into buying the individual components that make up its motorised chassis, all can be obtained apart from the metal block it seems. I started to total up the cost of parts and gave up when it went above £50. I also looked at a chassis kit available from a kit manufacturer and this came to £35 without wheels and motor.
I went onto Ebay and found several complete Hornby motorised chassis. Snapped one up for £34 + postage not knowing for sure whether it would be suitable but as the GBL model is a copy of the Hornby (albeit the 1980s model) there is a low risk of a serious mismatch.
Here is the GBL body and Hornby motorised chassis. The body internal ribbing needs to be removed and some other modifications to do before they will fit correctly..
Average used Hornby model (high tender) price £81.
To Part 4
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