Launch
of
the
V164-7.0MW
came
two
weeks
after
Alstom
took
the
wraps
off
its
"marinised"
6MW
direct-drive
machine
and
Siemens
showcased
a
2.3MW
direct-drive
unit
devised
to
be
scaleable
to
mega-class
for
offshore
use.
The
V164
represents
the
largest
research
and
development
(R&D)
investment
ever
made
by
Vestas.
It
is,
by
all
measures,
massive,
designed
"from
the
first
nut
to
the
last
bolt"
for
the
extreme
rigours
of
the
North
Sea
environment.
The
turbine,
as
its
name
suggests,
has
a
rotor
with
a
diameter
of
164
metres
-
greater
than
the
length
of
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