Make or break situation

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

As last month’s issue of PBO seemed to be almost entirely devoted to sinking, and how to do it, the editor has asked me to be a little bit more buoyant this month, and write something about floating, and how to do it. For this you will need a boat, and this