20130117 Copyright onEdition 2013© Free for editorial use image, onEdition Stuart Bithell, who claimed Olympic sailing silver in 2012, has revealed he is to team up with fellow ex-470 sailor Chris Grube in his quest for gold at Rio 2016. Bithell, who partnered Luke Patience to 2012 podium glory and two World Championship silvers in the 470 class, has now made the switch to the high performance 49er skiff in a bid to realise his golden ambitions. The 26-year-old Rochdal