sed30's Blog

Railways & other things

Poppy’s loco building box

I’ve got one too

Nicks workshop mutterings

Following a discussion at the St Albans show I commissioned a 3mm scale version of their new loco building jig. It is made from laser cut plywood and comes complete with 1/8″ axles turned down at the ends to take coupling rods.

I am now trying it out to build a chassis for a 0-4-2 GWR 517 class tank. This is the 3 mm society kit reduced down from Malcolm Mitchell’s 4/7 mm kit.

The instructions suggest using the supplied silicon tube to hold the chassis central in the box but I was worried about keeping it square. The first axle is inserted in a central hole and the second is fitted through a slot and the wheelbase is held by using the coupling rods. I have threaded top hat bearings with the flange towards the centre of the box onto the rod first. When the side frames complete with…

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