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CoreAS said..Very smooth riding, awesome!
wind foiling down wind, flagging the sail one handed is the best feeling.. Great job

One of the things I have been trying to figure out is why I can glide much further on swell when flagged out windfoiling versus flagged out on wing. Windfoiling I rarely need to pump the foil when flagged versus winging. My initial thinking was that the flagged out sail is giving some power to the board versus the wing which is only causing drag, but recently I was thinking about center of gravity on a slow moving foil.
An under powered foil needs more back foot pressure to fly. Agreed? Anyways where we stand on windfoil factors in mastfoot pressure but when you flag the sail you loose this mast foot pressure effectively moving the COG of body and sail rearwards. Which could explain why I can glide on swell much further when flagged out on windfoil versus when on wing, because the reduced lift due to lower speed is not overpowered by COG. Whereas on wing I am standing in a manner that controls foil lift when powered up, but when I flag as I slow down the lift starts to move rearward and my center of gravity overpowers it. Resulting in the need to pump foil. I guess if i get back on wing I will try stepping back when flagging the wing to test this theory.
Plausible?
PS: winging is much better for swell riding than windfoil and it is much closer to surfing