Hey guys I just bought a new AFS 95 with a last year 840 and 740 slalom wing. When I use the 840 wing everything was perfectly balanced but when the wind crank up I put the 740 on and the riding was very heavy rear foot. As soon as I released the pressure on the rear foot the board came down and slammed on the water.
I know AFS gave me some carbon shim with the foil would they fix the problem? If so how do I install them?

Thanks all.

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arno72 said..
Hey guys I just bought a new AFS 95 with a last year 840 and 740 slalom wing. When I use the 840 wing everything was perfectly balanced but when the wind crank up I put the 740 on and the riding was very heavy rear foot. As soon as I released the pressure on the rear foot the board came down and slammed on the water.
I know AFS gave me some carbon shim with the foil would they fix the problem? If so how do I install them?

Thanks all.

Between stab and fuselage so that the angle is increased so (afaik, the shim has a single hole) put the shim on the front screw between the two. You may also want to bring back the mast base a couple of cm. Smaller wings aren't always the solution in higher winds as you'll need to go faster to produce the same amount of lift which you may or may not be doing as the water is rougher and a lot of us back off the throttle in those conditions.

I have the previous version the Wind95 foil, with F1080, F770, and S670 wings, I use 1 AFS 0.5 mm carbon shim at the front of the stabilizer "for all wings, all the time". They gave me 2 shims, but only use 1, from 8-9 to 25-30 knots 1 shim has worked really good for me. Note I also made a mast head shim to set my foil angle to 0 degrees, and that has worked perfect for me on a Goya Bolt 135 L board.

From what you said, it sounds like you may have been in wind too low for the S740 wing, I use the F770 when there are consistent white caps starting around 11-12 knots, but that is the minimum and the F770 can be back footed if the gusts do not stay above 11 knots, use F770 up to 18 knots or more, so it sounds like you may have been on the low end wind range of the S740.

If it was balanced with the bigger wing then the solution is to go much faster.

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Sandman1221 said..
I have the previous version the Wind95 foil, with F1080, F770, and S670 wings, I use 1 AFS 0.5 mm carbon shim at the front of the stabilizer "for all wings, all the time". They gave me 2 shims, but only use 1, from 8-9 to 25-30 knots 1 shim has worked really good for me. Note I also made a mast head shim to set my foil angle to 0 degrees, and that has worked perfect for me on a Goya Bolt 135 L board.

From what you said, it sounds like you may have been in wind too low for the S740 wing, I use the F770 when there are consistent white caps starting around 11-12 knots, but that is the minimum and the F770 can be back footed if the gusts do not stay above 11 knots, use F770 up to 18 knots or more, so it sounds like you may have been on the low end wind range of the S740.

as for how to use the shims, the shims I got were curved and only fit on the front screw of the stabilizer. What do your shims look like? I know they went to flat shims that could be used under either the front or rear stabilizer screw. Shimming the front of the stabilizer would help with reducing back foot pressure, but will also make it easier to breech and slow you down too, so take more wind.

What wind speeds did you use the S8 and S7 in?

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Grantmac said..
If it was balanced with the bigger wing then the solution is to go much faster.

yes ; sounds like you are stuck on the wrong side of the drag curve.

Go faster !!! until the extra lift neutralised the back foot pressure. Then when you go past 25 knots start getting scared! Really scared. If you hit 30, well done!!!