traction engine boiler angle

Steam Boiler Angle

December 26, 2019 Nigel 0

I’ve been looking into the angle of the steam boiler on a traction engine relative to the surface that the engine sits on. This angle is always biased downwards towards the firebox. Having measured a [more…]

Insulated Steam Engine Cylinder

July 28, 2019 Nigel 0

The cylinders on steam engines need insulating and there are many ways of achieving this. On this page I’ve shared some ideas, options and a particular design of mine for the insulated steam engine cylinder [more…]

Slider Crank Linkage

May 6, 2018 Nigel 0

The slider crank linkage is common in steam engine design as it removes the side forces from the piston and from the connecting rod that is sealed by the gland as it passes into the [more…]

Transitional Engine

December 23, 2017 Nigel 0

A transitional engine (sometimes call a half-breed engine) is a steam engine from the late 1800’s that had been converted to an internal combustion and designed to run on oil or gas. This engine is [more…]

Stuart Turner Models

December 2, 2017 Nigel 0

A history dating back to 1898 and in recent years has been through a number of owners/locations. A list of the Stuart Models: If you have built a Stuart or have images of it in [more…]

steam indicator diagram

Steam Indicator Diagram

June 23, 2017 Nigel 0

In the Steam Indicator Diagram the pressure in the cylinder is plotted versus the cylinder volume. This was developed by James Watt and John Southern to improve the efficiency of the steam engine. The work [more…]

Pistons and Liners

April 17, 2017 Nigel 0

There are a number of different combinations of materials for the piston and liner of engines. I’ve listed a number below and comment on their merits, if I’ve missed one then do drop me a [more…]

Lamp Post Engine

April 1, 2017 Nigel 3

How many hours do you spend browsing through the internet looking for inspiration for a new model? Lots of different steam engines and one in particular caught my eye Bodkin 2, what a lovely looking [more…]