knowledge is a bit of a “how to” section where we will add pages explaining how we have learnt to do something or a quick method or just something we have learnt
When I run engines on compressed air I often wonder about the efficiency. A large electric motor driving a piston compressor that is in turn supplying a small engine that is sometimes barely able to [more…]
Geared device between the driven wheels to allow varying rotational speeds of the wheels around corners. We see differentials in everything from the Chinese cart that has an arrow that always points south, in steam [more…]
A battery pack design could be for a single or group of cells arranged in series and parallel, depending on application this may include: thermal control, electrical switching and management system. In it’s simplest for [more…]
One of the most important considerations in fan design is that the fan must impart a uniform velocity over it′s entire area. There are several simple relationships between fan capacity, pressure, speed, and power, which [more…]
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. References Condensers [more…]
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…]
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…]
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…]
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…]
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