, “. ~ .- ,_ . * -I ' REFERENCE- .? -BBRARY p ;A ~~~ect;~~~vol ...

’ -
“c‘ Iv: lessons learned from &lier versions.
..- The Wind Power Bo’ok ib the end result
~~ mm-&at-rjsle#drt. I
r
\
The wind
.~~
power field has-witnessed
tremendous growth In the,deca@Si~de’I~
.-began to write Simplifieid. I have learned
many new things-virtually all of them
through the efforts of colleagues and
friends,. The most influential colleagues
- have been Dr.$;Peter Lissaman, Richard
Y Schwind,!and Zurich Hutter. My most.
~:;;,,4XTpfuf fr%Znds and associates have been
-_ Sifi Goddard~W3.C Strumpell,, Ken
. ~
-t Johnson, and (thelate) Richard Dehr. All
th& I have. learned in these years has
been distilled into The Wind Power Bask.
The book would not be a reality . _.
without the capkble editorial assistance
-__afl.Mkbd Rial~bartktimtS-ef- -
: i Edward:Won@Ligda, and the graphic- -
design work-of Linda Goodman. With all
,5fIhis effort, perhaps the most credit
should go to people who made the
endless, tedious contributions to the
Q
.
production effort. Certainly the most’
energy. Brownsville is one such place.
important of these contributions has ‘-“ -I My annual average windspeed falls L
come from Helen Ann Park, my wife, who below 8 mph-with an almost’typed
the three versions of the i
unmeasurable mean power density.
* manuscript necessary to produce this .,_ Virtually*no watts-per-square-meter
’ book.
available. But despite the lack of a useful
lr? writing this book, I have tried to
wind ‘resou,rce, I installed a variety of
reduce complex mathematicspo simple wind machines at my ranch. Each .
graphs and arithmetic
summer evening, a fresh, useful breeze
allow innovative
rises to h_elp ,the water-pump‘ers keep my
tanks full. The various windchargers I A
have installed-dtsma-ntled, reinstalled
and redismantled have mostly stoQd as
idle monuments to the ‘wind I wished
were available. I heartily recommend the
field---of wind powe??o yo,u with one note
of caution: all the engineering knoti-how
and the wisdom gleaned from
experience
wind blow.
mst cannot make the ~ -
bproach used is n%t,one of exact
scienc.e, but rather one of approximation;
using.the best possible guesses and .
estim.ates. The numbers may not be
exact, but they are usually well within the
necessary accuracy. Some peopfe will
probably need a few machines “under
their belts” before their calculations !
become sufficiently accurate.
As often happens, some places on
earth are not welj blessed wit,h wind
P
Jack Park
.
Brownsville, California ‘-
January, 1981