Firebox Door for the Burrell
The firebox door for the Burrell 1/20th scale traction engine is a challenge based on the size of the hinge and latch. The usefulness of the door is questionable as the prime route for firing [more…]
traction engine
Firebox for the Burrell
I started with the barrel for the boiler some time ago, now I needed a firebox for the Burrell traction engine. The basic design is to have a simple copper cylindrical boiler and a firebox [more…]
Miniature Traction Engine Boiler
The miniature traction engine boiler design is to heat partly from underneath and with through tubes from the firebox. This means I can make a simple copper boiler and fix this into a steel firebox. [more…]
Miniature Traction Engine Wheels
For the miniature traction engine wheels there are a pair of front wheels and a pair of rear wheels. In both cases I’ve followed a similar construction method. Rear Wheels The rear wheels are only [more…]
Front Wheel Assembly
Rims turned, hubs machined and spokes cutout, it’s now time for the front wheel assembly. A lot of parts, some errors along the way and so time has gone into the manufacture of all of [more…]
Front Wheel Hubs
The front wheel hubs are quite small, 18mm in diameter, considering the features that are machined into them. This is my excuse then for having to machine 5 of these hubs before getting a pair [more…]
Traction Engine Front Wheels
The traction engine front wheels are 70mm in diameter and 12mm wide. The wheel rims have been machined from 70mm mild steel round bar that is 1 inch long. This really didn’t leave any margins [more…]
A Pair of Rear Wheels
A pair of rear wheels for my 1/20th scale traction engine. This all started with me machining the mild steel rim blanks from 4 inch diameter round 1 inch thick disc. The machining required in [more…]
Rear Wheel Spokes
The rear wheels of my miniature traction engine needed 32 spokes in total. This is quite a task and so thought I would take you through my process. I started the rear wheel spokes by [more…]
Rear Wheel Hubs
The rear wheel hubs for the miniature traction engine that I’m making need to be indexed with eight spokes each side of a single wheel. The trick is that the spokes are out of “phase” and [more…]