dont pay for the plans of the wildthing get the gas mono plans and scale them down its basicaly the same boat and the plans are free
just do a search for the gas mono building a boat the chronicle thread.
heres the plans for free just down size on your printer settings to the size you need.i built this boat 36" for a 60 size nitro plane engine but you could build it any size you need.
[link]http://new.intlwaters.com/FreePlans/gasmono.htm[/link]