Environmental Engineering Reference
In-Depth Information
On locations with good wind this small windmill could produce
up to 17 000 kW, and that was very suitable for heating and lighting
an ordinary home in the countryside.
Thymøllen—the Thy windmill—became available as well with
fibreglass blades from KJ. A special version of the Thy windmill
gained an award in the windmill competition arranged by the Danish
Design Council in 1984. Niels Helmer Christensen, the windmill team
architect, had developed a tripod laminated tower and re-designed
the nacelle so that the blades, tower and nacelle were all made from
wood. This windmill is probably the most Danish and the most
ecological windmill seen so far.
In June 2010, Denmark introduced a new legal framework
to promote single family renewable energy installations for self
supply. The criteria for such windmills were: maximum 6 kW, 40 m
2
swept area and a total height of 25 m to the blade tip. In 2010,
Thymøllen, now involving windmill veteran Leif Pinholt, redesigned
their windmill. It got wooden blades designed by engineer Viggo
Öhlenschläger and a new appealing white-green livery.
Figure 16.14
Ecological windmill in Tygstrup: tower, blades and nacelle
cover are entirely made of wood.
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