Dave Selby is the proud owner of a 5.48m (18ft) Sailfish, which he keeps on a swinging mooring on the picturesque Blackwater estuary in Essex
One of the most intriguing what-ifs in the wonderful history of British ingenuity and litany of crackpot invention must surely be the Vincent Amanda Water Scooter.
If only they’d got it right, the boffins at famed British motorcycle manufacturer Vincent could have enraged