Figure 16.4
kinds of wood and with three types of surface coating.
Worthwhile to remember from the 1970s as well is the small
Tvind Windmill team members: Sanne Wittrup, Iben Østergaard,
Martin Winther Jensen, Lars Peter Riishøjgaard and Hans Peter
Ravn. Their small windmill was to be sophisticated and optimised
with specially hinged sail wings in order to reduce the rotor loads.
their time was not wasted. ...