single throw crankshaft

Crankshaft Design Principles

January 21, 2020 Nigel 0

This page lays out some of the crankshaft design principles along with descriptions of the main features. That part of the engine which transmits the reciprocating motion of the pistons to the driven unit in [more…]

a cast iron flywheel

Flywheel Design Principles

January 20, 2020 Nigel 0

The wheel on the end of the crankshaft that gives the crankshaft momentum to carry the pistons through the compression stroke. Normally constructed from a heavy steel or iron disc. A flywheel has two main [more…]

fuel cell diagram

Fuel Cell System

January 19, 2020 Nigel 0

I was reading an article about using a fuel cell energy storage system for a drone and how it was a high energy density option. This made me wonder how a fuel cell works and [more…]

Stirling Engine

Stirling Engine

January 11, 2020 Nigel 0

The Stirling engine is an external combustion engine. Also known as a Hot Air Engine. The Stirling engine was invented in 1816 by a Scotch clergyman, Robert Stirling, as a competing technology to the steam [more…]

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…]

CAD of a shock absorber and over type spring

Mechanical Shock Absorber

December 24, 2019 Nigel 0

The mechanical shock absorber is a mechanical device designed to smooth out or dampen a sudden shock impulse and dissipate kinetic energy. The shock absorber turns kinetic energy into thermal energy within the working fluids [more…]

Ackermann steering

Vehicle Steering Systems

November 17, 2019 Nigel 0

When we talk about Vehicle Steering Systems we’re discussing the collection of components, linkages, etc. which will allow for a vehicle to follow the desired course. This is all part of the vehicle dynamics. The [more…]

Sanding Blocks

October 12, 2019 Nigel 0

An article about sanding blocks feels like nonsense until you realise just how useful they are. The cork block is the starting point and one of the must have items in any toolbox. The next [more…]

Abrasive, Diamond, Emery and Sandpaper

October 12, 2019 Nigel 0

Abrasive, Diamond, Emery and Sandpaper. There are lots of different types and forms of abrasives that we use in engineering and model engineering. A very hard, brittle, heat-resistant substance that is used to grind the [more…]