Put up a new CD-ROM reference regarding the five HYCAT designs from 1979. These range from the "classical" HST in design to a bit odd.
http://www.up-ship.com/drawndoc/drawndocair.htm
The CD-version contains some really good drawings.

http://www.up-ship.com/drawndoc/drawndocair.htm
The CD-version contains some really good drawings.