How to scratch-build a 4 wheel wagon

[philipy]

They are based on IC socket strips, which plug into themselves and can be cut to length for the desired no of connections.

I buy mine locally from Jaycar, but something similar will be available from other suppliers. http://www.jaycar.com.au/PRODUCTS/Activ ... y/p/PI6470

Thanks Graeme, beautifully simple.

They are available via e-bay, and for those in the UK, Maplins do them at £1-44 a strip.
http://www.maplin.co.uk/p/modular-conne ... trip-dc17t

[DLRdan]

Nice little wagon. Does having the battery that high up make it unstable ?

[Peter Butler]

I'm pleased to say, not at all, Dan. Because the wheelbase is so short and the battery sits at one end of the truck, I had to add some lead sheet to equal the load. Other than that it runs very smoothly.

[Peter Butler]

Having tested the system minus a speed controller I tried all of my 'Emetts' in turn and have found that the 9.6v from eight rechargeable batteries is satisfactory with the 12v motors in the locomotives.
All of the locos perform well going forward, none will be used in reverse as the couplings and buffers are not designed for that.
As described earlier I decided to use a barrel as a rotary switch and it looks just right!

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I think this completes the truck.... now, what next?