Power Systems

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Water wheels begin their come back

Tom Shelley reports on a vast amount of untapped energy that can be obtained by applying some new technology to a very old idea


Moving mirrors in solar power plant

Hydraulic actuators from Parker Hannifin are used to rotate and tilt the parabolic mirrored troughs in the 64MW Nevada Solar One plant


Fuelled up for a liberated future

Photocatalysis is an innovative means of producing hydrogen from water using sunlight – and possibly turning carbon dioxide into methanol, as Tom Shelley rep


Hot stuff

Lou Reade reports on a new type of heat exchanger that could make gas turbines a viable source of power for the home


New contenders for 2012 Olympics

Some tantalising technologies are being employed in British hybrid drive buses for the London Olympics. Tom Shelley reports







On track to meet targets

Tom Shelley reports on state of the art in fuel cell systems for passenger cars and other applications


Golden chains go commercial

The Danish developed Kataka or ‘golden chain’ actuator, revealed in the October 2003 edition of Eureka, has now been developed into a form that is capable of being used as a car jack


Sports gearbox makes sure changes under power

Quaife has brought out a motorsport gearbox, based on the long popular Sierra box, that handles a lot more power and totally prevents missing gears or making wrong selections



Gaining the edge

A high-speed compressor neatly combines the best features of rotary and reciprocating machines in a simple basic unit. Tom Shelley reports


Inflatable ring locks chair for disabled

A small, battery powered air pump and an inflatable ring are key to stopping wheeled desk chairs from moving, so that the wholly or partially disabled can get in and out of them more safely


Energy researchers look to a bright future

Whether it is paint that converts sunlight to energy, or new ways of printing circuits onto plastic film, new research promises to make solar energy cheaper. Lou Reade reports


Hydrogen boosts diesel economy

Adding a small amount of hydrogen to the combustion process brings about a marked improvement in the fuel economy of diesel engines and a dramatic reduction in tail pipe emissions.



Sound investment

Linear slides sit at the heart of machine that makes products with a musical heritage. Julie Bieles reports


Shaking up the status quo

A new medical product has been brought rapidly to market that should greatly benefit patients both in developing and developed countries. Tom Shelley reports


Battle of the bulge

A hydraulic effect is being harnessed to build up massive amounts of energy – and may well be the key to producing cheap power from sea waves



Socket set up for real wave power

A 20MW facility is being constructed off the Cornish coast to allow the full scale testing of up to four different wave power machines


Formula for success

Remarkable developments are now hitting the road when it comes to regenerating energy to meet the demands of both new F1 regulations and future car technology. Tom Shelley reports