Environmental Engineering Reference
In-Depth Information
Figure 16.2
Painter Rud Ingemann Petersen's 11 kW wind turbine of the
Juul concept (left); Nacelle of Ingemann's wind turbine (right).
He did endeavour not to reinvent a better concept by using
the simple and reliable 45 kW Bogø-type technology from 1953
that preceded the later Gedser wind turbines. He constructed and
built every bit by himself, including the blades and the controls.
For several decades the windmill delivered power for lightening
and heating for the family. It possessed qualities that might have
made Rud become one of the well-known windmill designers.
But that was not his ambition.
16.3 
The Quite, Quite Different Ones
In Denmark not only conventional wind turbines were developed—
quite peculiar models appeared as well. One of them was the
4-bladed Vendelbo windmill placed on the roof of the Aurion
Bakery in Vendsyssel. It was constructed by manufacturer Arne
Brogaard especially for the operation of the grain (wheat, rye,
spelt) grinders at the organic bakery. For Aurion organic bread
was more than assuring the consumers that the cereals were
cultivated without using chemical fertilisers and pesticides. Also,
mechanical energy for grinding should not come from fossil fuels
but from wind to complete the products' organic origin.
The Greenland Tele Administration had some fifty small 1 kW
or 2 kW turbines for the supply of electricity to their transmitter
stations in the ice desert. Wind power was a supplement to the
propane gas tanks which had to be brought there hanging below a
helicopter.
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