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Sandman1221 said..CoreAS said..Sandman1221 said..CoreAS said..thedoor said..
Nice Dean. I have been experimenting with trying to make the i76 and a bigger sail (eg 7m v 6m) work in the marginal winds. Normally in those marginal winds I would take the i99 and 5.7 or 6m. I had been starting to wonder if the i99 was overkill.....and I find the i99 becomes a handful when the wind picks up, so wanted to experiment with the i76 and bigger sails. After a few sessions, I have concluded that the i99 gives me a lot more foil time-than i76 and a one size bigger sail-and its a lot less tiring using a smaller sail. I think this confirms what many of us have said before, but I was starting to wonder if we had gone too big with i99, I guess not :). The only way to compete with the i99 (or moses 1100) in marginal winds, would be full-on race gear.
Thank you, I agree the i99 does get a bit much over 15 knots and I have been using the i76 much more with the W130 than I ever did with the W125 board.
Lower back issues make the 9/10 meter sail, barn door foiling thing difficult for me. I went down that route in the very beginning and just uphauling a huge rig and dealing with all the rig pressure wasn't worth literally the pain.
I prefer the free-foiling route and covering 5-18 knots with one sail and handful of wings

interesting, one sail many wings, so different flight speeds depending on the wing. I agree about uphauling a 9.0, but I normally do a "easy beach start" which takes very little effort to uphaul the sail, whatever the size.
Cheaper to buy a bigger wing ;) plus a smaller rig is much more fun when the wind picks up a bit.
9.0 means buying longer mast and big boom, then you get back ache, neck ache and ass ache carrying it back and forth. The bigger sails just create weight and drag, not needed for free foiling.
If you are starting out, yes, but I had it all for windsurfing, the Freespeed 9.0 is pretty light, I can uphaul it with one hand wrapped around a strap attached to the uphaul line, and the Epic 200-260 carbon boom is not much more than my 160-220 carbon boom. But it always feels nice to be out on my Freespeed 5.8!
Say no to 7.0 let alone 9.0

My biggest sail windsurfing was 8.4 Maui sails, I didn't want to go formula and all that expense, so when I tried using the 8.4 for foiling it was like a blacksmiths anvil sitting on the board, just terrible! then switched to 7.8 NP RS: flight, F4 foil and JP135 and the amount of stress it put on my lower back meant 2 days of paying for it (2 ruptured discs and sciatica is a ball breaker), so that began the quest of efficiency...
Over the years I improved my rig and board pumping technique and got it down to a 6.4 RAF sail, then slingshot came along and I was foiling the infinity 99 wing with a 5.8 last year, that was the game changer.
Basically there are 2 camps: big sail, big board and high aspect racing foil OR small sail, efficient board and low aspect foil..you just have to choose which route you want to go down and what works for you.