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A Novel Aquarium Pump - Creating a Scum-Free Tank Using Rare Magnets

Keeping a sea water aquarium at home is an expensive and high-maintenance task. Moreover, the scum that gets generated adds to the labor. But a newly invented pump not only prevents the formation of scum, but also keeps the environment healthy. Find out how this pumps work using a rare magnet.

Published by Raunekk (16370 pts) on Apr 29, 2009 to
Mechanical Engineering Articles
Helical Gear vs. Spur Gear

If you have observed a spur gear application, you may have noticed that spur gear can be replaced by helical gear. Where should a helical gear should be used? What are the benefits and disadvantages of doing so?

Published by Suvo (8760 pts) on Apr 29, 2009 to
Mechanical Engineering Articles
Requirements of Outside Air for Air conditioning

In this article, the requirements of outside air for air conditioning will be discussed, including the requirements of oxygen and dilution.

Published by smoothwhirl (5926 pts) on Apr 28, 2009 to
Mechanical Engineering Articles

Great Engineers – the Biography of Andrew Meikle, the Thresher Inventor

Andrew Meikle was a Scotsman of the late 18th and early 19th century. He is credited for inventing the drum-style threshing machine that could be operated with wind power, horse power, and eventually by steam power.

Published by johnsinit (12643 pts) on Apr 28, 2009 to
Mechanical Engineering Articles
The Biography of Richard Roberts - Part II - Locomotives

Though considered to be the most important mechanical engineer in Britain during the 19th century, Richard Roberts remains relatively unknown despite his contributions to the Industrial Revolution. Without his work, precision machining would not have taken off as it did in the early 19th century.

Published by johnsinit (12643 pts) on Apr 28, 2009 to
Mechanical Engineering Articles
Lusi – The Oil and Gas Industry's Greatest Disaster.

Lumpur Sidoarjo (Lusi) is a mud volcano in Indonesia, created by a possible technical mishap, which for the last three years has been spewing hot mud inundating villages and displacing thousands of people.

Published by johnzactruba (3208 pts) on Apr 26, 2009 to
Mechanical Engineering Articles

Seven Facts On Hybrid Cars

Are you considering buying a hybrid car? While the technology is still relatively new, more and more companies are manufacturing these fuel efficient cars. Read on for seven important facts on hybrid cars.

Published by Haresh Khemani (23409 pts) on Apr 23, 2009 to
Mechanical Engineering Articles
The Biography of Richard Roberts - Part I - Starting the Tool-Making Business

Richard Roberts made tools capable of making other tools. This technology was crucial to the development of industry in Europe and North America. Read more about the life of this notable English engineer in this article.

Published by johnsinit (12643 pts) on Apr 16, 2009 to
Mechanical Engineering Articles
Alfred Rzeppa and the Constant Velocity Joint

If it weren’t for Alfred Rzeppa, riding in a car could be an unpleasant or even dangerous experience. In 1926 Rzeppa invented the constant velocity joint, or CV joint. This device allows the outer wheel to steer during turns, at the same time allowing the up-down motions of the suspension.

Published by johnsinit (12643 pts) on Apr 15, 2009 to
Mechanical Engineering Articles
Great Engineers - John Ericsson - the Inventor of Ships Propeller - Part II

In his 40s, he would be accused of killing the U.S. Secretaries of the Navy and State, but by the time of his death, John Ericsson would be a beloved New Yorker whose life would be remembered even 100 years after his death.

Published by johnsinit (12643 pts) on Apr 6, 2009 to
Mechanical Engineering Articles