superwind GmbH - Silent Power: Extremely silent rotor blades

The rotor blades have been optimized by superwind´s engineers in extensive wind tunnel tests using sophisticated sound measurement equipment and a special ambient sound elimination software. The result is 10 dB (A) sound reduction which compared to the former blades is experienced as just half the noise emission.

Even though the former blades have not been noisy at all, the gain in comfort is amazing. The running Superwind is now hardly perceptible. Neither by the own crew in the cockpit, nor by the neighbours at anchor or in the marina.

The progress has been achieved by especially designed structures on both sides of the airfoil, quite similar to a shark skin, which induce micro turbulence for improved aerodynamic and acoustic performance.

The new superwind Silent Power Blades are fully compatible to their predecessors which makes it easy to upgrade older Superwinds to the state of the art.

About Silent Power:
Before they started the superwind GmbH in early 2004, Klaus Krieger and Martin van Egeren have been active in the field of wind energy for many years. Klaus Krieger was engaged in wind turbine development and international implementation of wind energy projects. Martin van Egeren as a mechanical engineer was working on wind turbine design and development of rural electrification systems using renewable energy.

Joint projects, among other things, were planning and implementation of wind turbines in Europe, wind energy systems for village electrification, telecommunication and farms in China and Indonesia as well as extensive technology transfer projects. Beside own development projects orders for institutions and companies were accomplished, among others for:
- aerodyn Energiesysteme GmbH, Rendsburg
- Deutsche Gesellschaft für Technische Zusammenarbeit (GTZ), Eschborn
- Deutsches Zentrum für Luft- und Raumfahrt (DLR), Bonn
- Cenova Lda, Portugal
- Greenpeace, Hamburg
- Hua De New Technology Company, China
- Institut für Solare Energieversorgungstechnik (ISET), Kassel
- Shell Solar
- SMA Regelsysteme GmbH, Kassel

In the year 2000 they started the development of a professional small wind generator, whose design concept also provides a basis for a line of further models in the 750 W and 1500 W class. For manufacture and marketing of the wind generators they founded a new business and incorporated the superwind GmbH in early 2004.

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