Bronze Rudder and Propeller Resurfacing Techniques
Resurfacing of bronze rudders and propellers is required after the boat has been subjected to the ravages of seawater immersion. This causes several …
Continue ReadingMobile Phone Lithium-ion and Lithium-polymer Battery Care
The article describes the science behind the little grey thing that pumps up your cell phone’s juices, i.e the lithium-ion battery. Although …
Continue ReadingShip's Level Sensors - Types, Construction, and Use
Measuring the contents of a tank is a job which most mariners hate to do. For this reason, many gauges and devices have been produced for reducing the …
Continue ReadingHeat Resistant Materials for Home and Industrial Applications
Materials that have the ability to protect equipment and instruments from being damaged due to high temperature are called heat resistant materials. …
Continue ReadingHow to Make a Simple IC 555 PWM Circuit
An ideal Pulse Width Modulation circuit using the IC 555 is explained in the article. Here the configuration shows how the above mode of the IC can be …
Continue ReadingA Battleship Firing Broadside Salvos: The Most Fearsome Artillery Strike in History
A full broadside salvo fired by battleship is one of the most fearsome and destructive forces in military affairs. Battleships of the 20th century …
Continue ReadingCalculating Fluid Flow Through Orifices and Mouthpieces
The article discusses expressions that are generally useful for determining the various factors involved with fluid flow through nozzles and orifices. …
Continue ReadingConstruction and Principle of Operation of the Shunt DC Motor
Shunt DC Motors operate on direct current. As such, the field windings and armature are connected in a parallel combination, and in electrical …
Continue ReadingDeveloping The World's Most Powerful Heavy Cruiser: IJN Efforts and Successes
Japanese heavy cruiser development was at the cutting edge in the 1930s. The deployment of several IJN cruiser classes with five twin or triple …
Continue ReadingEarthing or Grounding Methods, Resistance Connection Monitoring & Measurement
Electrical system grounding is directly related to human safety. Electrical systems are grounded, or earthed, in order to obtain a low resistance path …
Continue ReadingHow to Make Interesting IC 4060 Circuits
A built-in oscillator stage in the IC 4060 chip makes it truly versatile and applicable for numerous different applications. It can be easily …
Continue ReadingHVAC – Upgrades to Improve Efficiency
The power used in running a building’s Heating, Ventilation and Air Conditioning (HVAC) is quite substantial, so any measures to improve its …
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