Prometheus Solar Technologies Inc.
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When one hears the word foundry one might think of a dirty industrial process, but the with the new technologies developed at Prometheus Solar Technologies they are forging a new clean way into the future.

bronze_propUsing the patented Kinley Dual Mirror System ProSolarTec has been melting metal with only the power of the Sun for years and are receiving great reviews. Since their first solar melt in June 2006 the Prometheus Team has designed, built and tested 6 separate working prototypes of solar furnaces. Temperatures of over 2000 ºC (3,632 ºF) have been measured and a variety of metals have been melted and poured.

The amazing thing about the solar furnace is that it uses no fuel to create its extremely high temperatures and produces no carbon emissions. Computer modelling conducted at Dalhousie University, Department of Mechanical Engineering has verified the process and indicate even higher temperatures are attainable as the prototypes are improved. Accordingly, the two-stage concentrator offers a much greater power intensity than conventional "flat plate" solar technologies, so that method may represent the most efficient solar collectors in the world.

The Solar Furnace has produced castings of Bronze, Brass, Zinc, Aluminium, and Babit using closed and open faced sand moulds.

Prometheus News

Gamma II Vaporizes Steel

The LIFE Prometheus team inadvertently vaporized steel using the Gamma II prototype on the 10th of February 2010.  The test, which had initially been intended to be the first steel pour using Prometheus solar technology, quickly became the first vaporization of steel when the steel sample was left in the light focus for a couple extra minutes.  In the time between determining that the sample was ready to pour and preparing an appropriate sand bed for pouring, the steel completely vaporized.  All that was left when the contents of the crucible were dumped out was some slag, the steel had vaporized into thin air.

To read more on metal melting and the temperatures achieved click here.

 
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