requesting plans for small folding boats ,not kayaks;or possibly uk 2nd hand
sellers of the above,not new or folding sailing boats

If any other Google Answers researcher would like to pick up this
question, here are a few online references.

From "Science and Mechanics" and "Boat Builder Handbook" magazines:
   
   Free Boat Plans 
   "Handy Andy" 9' Folding Boat
   http://www.svensons.com/boats/HandyAndy/

Plans for a folding dinghy:

   Jim Michalak's Boat Designs
   Folderol2, 6' Folding Dinghy 
   http://homepages.apci.net/~michalak/15jan02.htm#Folderol2

Adventures in amateur outrigger canoe building (sail optional) with
notes, sketches and photos:

   Adventures And Ordeals With A Folding Proa On The Yucatan Coast
   http://www.mit.edu/people/robot/yucatan/index.html

Thanks,
Huntsman


Search Terms & Google Results - 

folding boat plans
://www.google.com/search?sourceid=navclient&q=folding+boat+plans

"folding canoe" plans
://www.google.com/search?sourceid=navclient&q=%22folding+canoe%22+plans