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king of the point said...
Intresteng but are you wanting to plane or plod or wave ride.
Guessing ...... achieving both is the goal ,but hey in the early days on the west coast of SA the old school masters Paul Grevelle and Sunny in the 80s and 90s only ever used a 4.0m in 5 to 10 knots but had floaty chuncky 8 foot thrusters boards called wave pigs ........they shreaded it up in 2 to 10 foot.
What about the AHD Seal 102 - or the concept of the AHD seal, if not the board.
Don't have one, not trying to sell one, but the concept that it is a short board surf board with a sail appeals to me.
From reading the sales literature it is not designed to plane. It is designed to surf.
I assume it is supposed to turn and drive like a thruster with tight radius bottom to top wave riding, not 1,000 kmphr DTL.
I quite enjoy sub-planing wave sailing.
But - the big annoyances I have in sub-plane wave sailing is all the boards are designed to plane at the slightest wind. I don't particularly want to plane if it is such a struggle to do so, so long as I can get out I want to surf the wave.
Early planing from sail power and 'driveable' thruster on the wave face need different things from a board.
And the sub-planing wave boards surf like long boards (SUPs or SUP derivatives).
And, on standard wave boards in sub-planing riding I have to move my back foot to mid way between the front and back straps on the leeward side to crank a tight enough bottom turn. The tail doesn't have enough float for the short period of time before you straighten your legs to drive the fin (and not enough fins to drive anyway)
With little or no drive from the sail you can turn tighter (but slower). I guess your progression down the wave is at the same speed, but you get tighter turns in. Many years ago I put a footstrap in this position on a board, Was only good for one tack sailing but was good. The old assymetrics had kind of similar strap settings (but were designed to do a different thing).
I see one answer is just to surf when conditions are like this, but plenty of times I reckon sailing is more enjoyable, particularly when it is smallish, sloppyish and slowish. When it is 20 knots and 3 foot, a 4.5m sail and plenty of waves could beat a big sail trying to crank enough power to plane, but then being cumbersome on the face.