engine valve stood on caliper

Air Intake System

February 17, 2020 Nigel 0

The air intake system channels clean air and fuel to an internal combustion engine. The primary function is to channel clean and cool air to the engine. In indirect injection engines the fuel is added [more…]

1/4 inch spark plug

Engine Ignition System

February 8, 2020 Nigel 0

When we talk about the engine ignition system there are two fundamental types: compression ignition spark ignition. This is the system for igniting an fuel-air mixture that has been compressed in the cylinder by the [more…]

old lead acid battery

Lead Acid Battery

February 7, 2020 Nigel 0

The Lead Acid Battery is a battery with electrodes of lead oxide and metallic lead that are separated by an electrolyte of sulphuric acid. The overall reaction is: PbO2 + Pb + 2H2SO4 <=> 2PbSO4 [more…]

lithium ion battery schematic

Lithium Ion Battery

February 4, 2020 Nigel 0

In a rechargeable lithium ion battery lithium ions move from the negative electrode to the positive electrode during discharge, and back when charging. The cathode is a lithium transition metal oxide, eg manganese or cobalt [more…]

boiler endplates and tubes

Steam Boiler

February 1, 2020 Nigel 0

A device for generating steam for power, processing, or heating purposes or for producing hot water for heating purposes or hot water supply. I’ve included the firebox within the overall steam boiler as it’s difficult [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…]

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…]