How to Control the Speed of a DC Motor Using IC L165
The article explains how to control the speed of a DC motor through a very straightforward and easy to build electronic circuit. The circuit utilizes …
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Steel Manufacturing Process Explored: Bessemer, Open-hearth, Crucible, Cementation, and Electric Process
Our cities stand on the basic foundation of steel, without which they would instantly collapse. How is this outstanding alloy made? The article …
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What are Gimbals? What is a Gimbal Bearing?
Gimbals and gimbal bearings are extensively used in components that are required to stay stable in unsteady conditions. These range from use in the …
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Decarbonization of Engines
Decarbonization of aux engines such as power generators aboard ships is a part of routine engine maintenance. It involves the removal of the cylinder …
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Design and History of the HMS Hood: The Battle of the Denmark Strait
During the Second World War, the Battle of the Denmark Strait saw the most powerful battleship of the German Navy - the Bismarck - go toe to toe with …
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How to Build a Simple 250 to 5000 Watts PWM DC/AC 220V Power Inverter
The proposed design of a 250 to 5000 watts PWM DC/AC 220V power inverter presented here is probably the most straightforward inverter design one can …
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The Sinking of the OBO Carrier MV Derbyshire
MV Derbyshire was built at Swan Hunters Yard at Wallsend on the River Tees in 1976, being originally named MV Liverpool Bridge. She was the last of …
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Environmental Impact of Aliphatic Solvents versus Aromatic Solvents
This article discusses some properties of aliphatic and aromatic solvents as an attempt to analyze the impact of these substances to the environment.
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Smoke and Water Damage Clean-Up
Water from firefighting operations and smoke from a fire causes lots of damage and a need for cleaning operations once the fire is put out. This …
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What To Look For When Buying Used Power Plant Equipment
If you need a quick solution to your energy needs and you are in short of project financing, installing used power plant equipment may be …
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