Just before someone suggested a group buy on "Aerodynamics of
Propulsion", I placed an order for the book from the quy in the
Phillipines.  He sent the book, then about a week later (today) I
received another copy.  I contacted him and made arrangements to resell
it for him.  If anyone wants it, it's the hard back version, and by
splitting the costs between you and me and him, it's available for
$36.92 (I paid $46.92). Each page of the book is a copy of two pages on
a 11 X 8 1/2 sheet (landscape mode).  The back of each page is blank.
The binding looks very well done. Bob White

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http://www.bob-white.com
N93BD - Rotary Powered BD-4 (real soon)