Figure17.3 Allgaier WE-10 turbine, on the roof of Klöckner–Möller
GmbH company, Bonn (Photo: Jan Oelker, 2000).
park in Germany. In November 1953 the Water Administration
operation near Papenburg in the Emsland in order to create power
for a pump station. For 10 years, the 3-bladed wind turbines at
the “Nenndorfer Hammrich” pumped out groundwater and rain-
water which due to a dyke no longer had natural drainage towards
the river Ems.
Figure 17.4 ...