rear wheel treads machined

Rear Wheel Treads

January 14, 2020 Nigel 0

The rear wheel treads on these 97mm diameter wheels are just 0.75mm thick and so after some consideration were designed as a machined feature rather than a riveted tread. The rim itself is just 2.75mm [more…]

rear wheel rim blanks being machined

Rear Wheel Rim Blanks

January 2, 2020 Nigel 0

The wheel rims for my miniature Burrell traction engine. I originally wanted to buy some 4 inch diameter steel pipe with a thick 0.5 inch wall, but I just could not find any and so [more…]

miniature traction engine drawing

Miniature Traction Engine

December 18, 2019 Nigel 0

This is a work in progress around the research, design and building of a miniature Burrell 6NHP traction engine. My son bought me this book for my birthday as I’ve seen a number of Cherry [more…]

boiler endplates and tubes

Copper Boiler Tubes

November 25, 2019 Nigel 0

I’ve been looking at how to make the copper boiler tubes. For the vertical boiler I’m using a piece of 15mm household plumbers pipe. For the miniature traction engine I’m working on I wanted a [more…]

annealing copper

Copper Boiler End Plate

November 23, 2019 Nigel 0

Making a copper boiler end plate with a mild steel pattern and firstly hammering the outer edge over. I made a mild steel pattern for the copper end plates to be formed over. The final [more…]

Bellcrank bracket

Transitional Engine Eccentric Bracket

November 16, 2019 Nigel 0

The transitional engine eccentric bracket supports the pivot for a bellcrank midway along the pushrod. This is the part in question, machined from mild steel with phosphor bronze inserts. As you can see, there were [more…]

marble run

Marble Run

November 3, 2019 Nigel 0

A marble run that fits into a case that can be fixed to the wall. The marbles are actually 8mm steel balls that are collected at the bottom and fed in the top. The box [more…]