by Gully » Sat Feb 14, 2009 2:01 pm
If I recall correctly, this was the presentation Dr. P. gave at the Royal Aeronautical Society some months ago. It was available on the VTST website shortly thereafter, so whilst it may not have been a sticky there or spread around generally, it was released in a timely fashion.
Gully
Aircraft - The Greatest Gigs in the Sky!