I have a few pictures of the helicopter flying and linkage from 1970 Redhill
Dr. T Opatowski, e-mail, 27.03.2008 14:51
The date on your quote in my name should have been 1957.
Dr. T. Opatowski, e-mail, 26.07.2007 14:46
I put a model of this aircraft into the wind tunnel of the College of Aeronautics (as it was then)in June 1977 while waiting for our final results and before the diploma presentations.