 To satisfy this request a measurement exercise to determine the external shape of the boat was carried out on 16 May 2007 by Ken Kershaw, Technical Manager of the RYA , using the Bryan Jig developed by the RYA.Present were Richard and Mark Hartley, Phil Morrison, Ian Porter and myself.The method and equipment was the same as that used in January 2004 to measure a sample of wood and GRP Wayfarer hulls in order to report on the validity of the two wood hulls re-built by Duffin.