resurecting this thread. I'm in Maui right now and first demoed a custom Quatro quad (83l, lots of V) which was not fun slogging on a 5.2 (I'm 200#) - very hard to get planning, sank the nose too much ...
I've also had the same a slow down (actually unsable at times) for a couple weeks nows ! - yesterday sunday 3/8 again was very bad when checking condition before going out mid afte ...