try the folowing links
http//groups.yahoo.com/group/rchovercaft
a UK site for r/c hovercraft bods with freeplans! also
htp//www.hover,globalinternet.co.uk U K Hovercaft Museum , well we did invent them
have built 2 hovercraft one 'Finger Trouble' electric about 24 x 15 which as successful plan availbale from Traplet and at present just finishing 1/24 scale model of HM218 sidewall hovercraft Port of Rotterdam fire and rescue ?boat
If anyone interested I have photos.