It might be worth getting in touch with 'The powers that be' at the RNLI.. and ask about thier redundant training Boats.I know they sorted a SIB out for some Sea Scouts Localy..a few years ago now, but may be worth a try.I imagine getting hold of the right person would be half the Battle.
Lottery Grant??..Prince's Trust?? Good Luck either way. I know you Guys do a comendible jo!...Volunteers the Backbone of Britain!!