including a proprietary design by Rincker Productions. Low building cost is the key selling point (as
efficiency is about 48%). It scales up easily up to hundreds of meters. Output can be accurately
predicted. An extra discount on a demo site has been prepared with suppliers. Cost per watt below 1 USD. More here www.solarbowl.org
Related is the building integerated small type. There are several incarnations which can be
implemented. The current design 1 meter and 90 degrees ratius of curvature is not optimal.
There is also a patententable component that should be part of the design making it more
durable which would have spin off applications in the solar industry if supported. It could benefit from
multijunction pv, a technology kept of the market in Europe and the US.
This a an available design for wind turbine. Its 4 times more efficient and excellent for building
integrated applications. Its faster rotor speed will demand less intricate generators. It is less noisy and
easier to erect (designed by airodynamic experts).
Below a turbine concept that can be used with solar thermal power. It has not been build and
the originator is interested in licencing it. It is a simple robust concept that could go with new
vacuum tube solar power, providing warm water, heat, electricity and cooling.
Below another interesting concept, not prototyped but akin to the wankel motor. The author
is interested in development.
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There are several other technologies that can be freed up for application.
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