steam indicator diagram

Steam Engine and Boiler Efficiency

March 29, 2020 Nigel 0

Having approximated the engine’s steam consumption at a given speed and having calculated the consumption of fuel for the boiler I should now be able to calculate the Steam Engine and Boiler Efficiency.

engine crankcase, crank and cylinder

Finishing Touches

March 27, 2020 Nigel 0

Coronavirus has given me time to think and my thoughts have been around the models that are half built and what it means to complete and get to the finishing touches. Firstly though, how do [more…]

Hubs Geodesic Dome

Hubs Dome Project

March 21, 2020 Nigel 0

We’re stuck at home and all wanted a project, how about a Hubs Dome Project, luckily I had been bought a hubs dome kit for my last birthday.  Sturdy Canvas bag containing all of the [more…]

heating silver steel with blow torch

Heat Treating Silver Steel

March 15, 2020 Nigel 0

This article is all about heat treating silver steel. There are many different types of steel, silver steel a really useful material for the hobbyist if you learn about heat treating it. Heat uniformly to [more…]

a pair of rear wheels

A Pair of Rear Wheels

March 9, 2020 Nigel 0

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…]

assembled rear wheel rim

Rear Wheel Spokes

March 2, 2020 Nigel 0

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…]