Forums > Windsurfing Foiling

Upgrading from Infinity to PTM926 or G900.

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Created by YellowHelmet 6 months ago, 15 Jun 2025
YellowHelmet
96 posts
15 Jun 2025 5:37AM
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I'm 75 kg and using a Slingshot Wizard 125 liter with the 4 Infinity foils.

I plan to upgrade by the Hover Glide mast connector to the Phantasm fuselage.

I doubt between PTM926 and G900.

I've been looking around on this website but didn't find direct comparisons.

What are the differences between these 2 front foils ? Pro and con. Or are these foils very close. The PTM926 a litte bit higher aspect.

Maybe later I get an additional Sabfoil 1100 or 1250 for the low wind moments : 10 - 12 knots, instead of Infinity 84 cm or 99 cm.

Any thoughts or advise ?

Thank you.

Grantmac
2312 posts
15 Jun 2025 7:08AM
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The PTM926 is more like a mid aspect and is pretty mellow.

aeroegnr
1731 posts
15 Jun 2025 9:05AM
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I like the 926 a lot and use it as my main freeride foil. Haven't used the g900.

With either though, you should be able to also swap the tails from the 400 (more straight) to the 360 (vee) or 340 (turbo, more slippery). They will change the feel of your setup quite a bit, so consider that after you get used to the 400.

I really like the vee tail with the 926, especially when waves are involved as it is more sensitive to pitch control. It still takes off with less power than the infinity 76, but I think I've topped out at around 18knots boardspeed.

jdfoils
431 posts
15 Jun 2025 10:56AM
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I doubt you will be able to tell the difference between the ptm926 and g900.
926 is a little free-er, and the 900 a bit more settled, but the difference is very subtle.
Both are decent light wind foils.

John340
QLD, 3362 posts
15 Jun 2025 1:58PM
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Select to expand quote
YellowHelmet said..
I'm 75 kg and using a Slingshot Wizard 125 liter with the 4 Infinity foils.

I plan to upgrade by the Hover Glide mast connector to the Phantasm fuselage.

I doubt between PTM926 and G900.

I've been looking around on this website but didn't find direct comparisons.

What are the differences between these 2 front foils ? Pro and con. Or are these foils very close. The PTM926 a litte bit higher aspect.

Maybe later I get an additional Sabfoil 1100 or 1250 for the low wind moments : 10 - 12 knots, instead of Infinity 84 cm or 99 cm.

Any thoughts or advise ?

Thank you.


The PTM926 & G900 are very similar. They are both medium aspect and will have more glide than the i84 & 99. I have the 926, it's a solid foil, but I much prefer the PTM899 which although smaller in area (925 mm2 compared to 1260mm2) has a higher aspect and such is faster, more agile and points to windward better. I can get it flying in 10 to 12 kts with a 5.3 wave sail on a Predator 110. I weigh 85 to 90 kgs. I'm waiting for some wind so I can trial a PTM999 I've borrowed.

jdfoils
431 posts
15 Jun 2025 12:45PM
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899 is my daily driver. Definitely more dynamic than the 926. 926 is my choice when it is too light for the 899

YellowHelmet
96 posts
19 Jun 2025 5:14AM
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To all.

Thanks, this is very useful to me.

So :

PTM926 is a medium aspect foil : 7

a big improvement over the Infinity 76 cm

I wont need be bigger foil

But perhaps I will need a smaller one

Using instead of the 400 stabilizer a second one, the vee 360 can make the setup more playful

PTM899 and 999 are even faster and more high aspect : 8 to 9

But perhaps coming from a very low aspect foil as the Infinity 76 cm : 3, the step to 8 or 9 could be big, and maybe it is better for me to start with the PTM926

One more thing : what about the PFI730 ?

Or would I better quit the low aspect foils and head for the higher aspects to upgrade ?

aeroegnr
1731 posts
19 Jun 2025 6:23AM
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The PFI730 felt very similar to the 76. I got one with my freestyle deal, used it a couple times, then stick to the ptm926. I personally don't see the point of pfi730 vs. 76 but some people do like more speed on the windier days with the 76. The ptm926 glides a lot more in the jibes. If I was a better wave rider I might have an opinion between the pfi730 vs ptm926 but I'm stoked to get some swell driven glides with the vee tail/926 setup.



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"Upgrading from Infinity to PTM926 or G900." started by YellowHelmet