final pair of rear wheel rims

Rear Wheel Tread Pair

January 26, 2020 Nigel 0

My first go at machining a rear wheel tread pair for my miniature traction engine was not that successful. That meant I needed another go. The rear wheel tread pair are handed and the tread [more…]

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…]

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…]

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…]

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…]