Agree with mcross19.
There isn't much between 8.5 and 9.5 and even less between 8.7 and 9.3.
But when it comes to planing, there is a lot of difference between 8 knots or 11 knots average, although only 3 knots.
Anyway I jump from a 8.8. straight to a 10.9 in ultra light winds. 87kg.
IS87 / IS101 / RRD114 / US147
Last edited by BelSkorpio; 9th November 2012 at 10:06 AM.