The Gopher is a South african Designed IOM class yacht by Joe Robbertse.
This design was a follow on from his BADGER Design, of which only one was made.
This hull has a fine run off, aft of the keel and is good downwind and in light conditions.
There is a quiet thorough description of the progression of various class of yacht design and where they fitted in the time scale of the classes development. Click on the PDF icon to open the file
This article is by courtousy of Graham Bantock.
Graham also makes Sails , and various other fittings needed to complete a yacht.
His Web Site can be found at: www.sailsetc.com