Here are some links to previous discussions
For me it was over 8 knots on a broad reach. Below are links to forum threads on the subject. Towards the end of the second message thread is a post from Clyde that helps explain why many have sailed faster than their "theoretical hull speed."http://archive.sailboatowners.com/archive/archivepview.tpl?SKU=2003308180613.28&forumabr=sb&fno=5&&_psamp=psamp&&model=none&forum=sb&andor=wo&keyword=Mehringer&pr=p,r&ssite=HOW&srt=pdate&start=7&max=100&db=2003http://archive.sailboatowners.com/archive/archivepview.tpl?SKU=2004119195437.17&forumabr=sb&fno=5&&_psamp=psamp&&model=none&forum=sb&andor=wo&keyword=Mehringer&pr=p,r&ssite=HOW&srt=pdate&start=19&max=100&db=2004Ron Mehringerh26 Hydro-Therapy