I think most stock SUP boards will suffer with the load put on them when windsurfing.. and especially going upwind.

I would try a bigger center fin.. I'm guessing at least a 9" deep fin.

DJ

tha dogman said...

DJ do you ever rip out the old sails and have a crack on them for old times sake

No.. but I will soon.. I might put the GoPro on the top of the mast for the fun of it..

DJ

I purchased a 9'8'' SB Extremist a couple of years ago in the hope it would double as a fun planing sailboard in higher winds. (it came with footstraps and had seen photos which indicated reasonable planing speeds)

I too, however, found it has considerable lateral slippage when loaded up with a sail. Mine came with a Drake 23cm. I have tried a number of fins including a Select 32cm ProAm (which was the largest/most upright A-base fin I could find) but cannot get close to sailboard-level planing ability from the board, although it didn't slip or spin-out with the larger fin. My weight at 100kgs may have had an affect also.

As said previously the board's rocker and shape are definitely skewed to the surfing end of the spectrum rather than the planing end, so would probably surf (sail) well in non-planing conditions - but that's when it's SUP time!

I had also tried a MFC Freewave 27cm and this was OK in terms of slide and spin-out.

try using a 5.0 sail. i found it more fun with a smaller sail with the stock fins. just uphaul in the break if its not windy enough to waterstart.