Windfoil in the waves

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sailortrash
sailortrash
20 posts
20 posts
3 Jul 2026 2:04pm
Grantmac said..

sailortrash said..


Grantmac said..
What tail and front wing are you using?




Most of the times im on the balz pro 969/370 stab, no shims



Your weight and board/sail?


Fanatic foilstyle 103, normally 4.0-3.3 in swell conditions, 78-80 kg
Grantmac
Grantmac
2394 posts
2394 posts
3 Jul 2026 11:03pm
sailortrash said..

Grantmac said..


sailortrash said..



Grantmac said..
What tail and front wing are you using?





Most of the times im on the balz pro 969/370 stab, no shims




Your weight and board/sail?



Fanatic foilstyle 103, normally 4.0-3.3 in swell conditions, 78-80 kg



sailortrash said..

Grantmac said..


sailortrash said..



Grantmac said..
What tail and front wing are you using?





Most of the times im on the balz pro 969/370 stab, no shims




Your weight and board/sail?



Fanatic foilstyle 103, normally 4.0-3.3 in swell conditions, 78-80 kg



You might be able to get away with the shorter fuselage, but I'd drop wing size before that.
sailortrash
sailortrash
20 posts
20 posts
5 Jul 2026 1:39pm
What’s your thinking?
Hess
Hess
325 posts
325 posts
5 Jul 2026 11:40pm
Gurra said..
Hi. The setup for that day:
Severne Predator 110
Sabfoil BALZ PRO set
Front wing 969
Flat stab 370
Mast 83 cm
Fuselage 90 cm
Severne FoilFreek 4.4
Severne Enigma 140–190 cm
Severne Blue 400
RDM Severne Cyclops Carbon 24 cm
Severne Harness Lines 32"

I have the BALZ PRO 969, 909, and 808, and I love them all.
The 969 is great in lighter winds and has a nice glide in slower waves.
The 909 is faster and better for jumping.
I’ve been struggling with backloops (the real backloop, not the freestyle backloops you can do on flat water—the one where you go straight up, pause, rotate, and then come straight down) with both the 969 and the 909.
Recently, I started using the 808 together with my 3.3 sail, and that has been a game changer. Now we’re talking about proper jumping and fast wave riding. I’m making great progress with the 808, and it feels like it’s only a matter of time before real backloops are in the bag.

The predator 110 is to big in waves. To long, to much volume. I have the Predator 95 incoming (shipping from Asia). That will also help in backloops and waveriding.

/Gurra (88 kg)








Your set up makes sense to me.
My current go to set up is also the 808/325 combo. I had a custom fuselage made that is around 810cm but moves the mast pocket back a couple inches from the stock windfoil set up. I find it allows me to carve in tighter radius and get back on the wave face quicker in a bottom turn.
I also use the 707/325 combo quit a bit now it is fun to turn and handles better in bigger faster waves but takes a bit more wind to get going so on lighter days I am back to the 808. Of course my definition of light wind is different as I really only foil in Maui.
These foils are fun but are really freestyle foils and on bigger /faster waves provide more lift than is required . Although that extra lift gets you going on a smaller turnny foil. Life is full on compromises
The biggest equipment change that raised the fun factor for me is the reduction in distance between the sail base and the front foil.

Gurra
Gurra
7 posts
7 posts
6 Jul 2026 12:21am
Interesting to hear about your experience with the 707. Today I had the best windfoil session of my life. So good that I almost think I might never windsurf again.
I was on the 808 with the 370 stabilizer and had amazing rides in wind swell. I used my 3.3 sail, which really is the key to good wave windfoiling with a small sail.
Great speed, solid turning, and some epic hits off the lip (goiter, kono).

I also tried the Reverse 375 stabilizer, but I didn’t like it. It felt slow to get into flight mode, and the board didn’t fly evenly, I had to shift my weight back too much. So that stab is going up for sale :)
After that I tried the 325 stabilizer, and wow, that’s a really good combo with the 808. I’m now thinking of buying the 93 cm mast, because I believe it will give me even more of everything.


















Grantmac
Grantmac
2394 posts
2394 posts
6 Jul 2026 6:58am
Hess said..

Gurra said..
Hi. The setup for that day:
Severne Predator 110
Sabfoil BALZ PRO set
Front wing 969
Flat stab 370
Mast 83 cm
Fuselage 90 cm
Severne FoilFreek 4.4
Severne Enigma 140–190 cm
Severne Blue 400
RDM Severne Cyclops Carbon 24 cm
Severne Harness Lines 32"

I have the BALZ PRO 969, 909, and 808, and I love them all.
The 969 is great in lighter winds and has a nice glide in slower waves.
The 909 is faster and better for jumping.
I’ve been struggling with backloops (the real backloop, not the freestyle backloops you can do on flat water—the one where you go straight up, pause, rotate, and then come straight down) with both the 969 and the 909.
Recently, I started using the 808 together with my 3.3 sail, and that has been a game changer. Now we’re talking about proper jumping and fast wave riding. I’m making great progress with the 808, and it feels like it’s only a matter of time before real backloops are in the bag.

The predator 110 is to big in waves. To long, to much volume. I have the Predator 95 incoming (shipping from Asia). That will also help in backloops and waveriding.

/Gurra (88 kg)









Your set up makes sense to me.
My current go to set up is also the 808/325 combo. I had a custom fuselage made that is around 810cm but moves the mast pocket back a couple inches from the stock windfoil set up. I find it allows me to carve in tighter radius and get back on the wave face quicker in a bottom turn.
I also use the 707/325 combo quit a bit now it is fun to turn and handles better in bigger faster waves but takes a bit more wind to get going so on lighter days I am back to the 808. Of course my definition of light wind is different as I really only foil in Maui.
These foils are fun but are really freestyle foils and on bigger /faster waves provide more lift than is required . Although that extra lift gets you going on a smaller turnny foil. Life is full on compromises
The biggest equipment change that raised the fun factor for me is the reduction in distance between the sail base and the front foil.



Can you post a picture with some dimensions of that fuselage?
Hess
Hess
325 posts
325 posts
6 Jul 2026 11:22pm
Gurra said..
Interesting to hear about your experience with the 707. Today I had the best windfoil session of my life. So good that I almost think I might never windsurf again.
I was on the 808 with the 370 stabilizer and had amazing rides in wind swell. I used my 3.3 sail, which really is the key to good wave windfoiling with a small sail.
Great speed, solid turning, and some epic hits off the lip (goiter, kono).

I also tried the Reverse 375 stabilizer, but I didn’t like it. It felt slow to get into flight mode, and the board didn’t fly evenly, I had to shift my weight back too much. So that stab is going up for sale :)
After that I tried the 325 stabilizer, and wow, that’s a really good combo with the 808. I’m now thinking of buying the 93 cm mast, because I believe it will give me even more of everything.




















Gurra awesome to hear about your session. Small sails are one of the reasons I love windfoiling so much and in the waves -- well I think you know what I mean. I am usually on a 3.4 or 3.8 Cypher as I like the way the freestyle sails provide low end power and the power turns on quickly when doing my version of an off the lip.
I am excited to hear you are doing the same moves on a foil that you would do on a fin in the waves. I have no chance of doing anything advanced like a goiter/kono but have always believed advanced wave riders could do them even in light winds and smaller waves when a windsurfer would only get a couple slow turns.
I ride the 94 UHM mast and found it less draggy. I also think you will love the 707 for its higher speed and tighter turns. I find I have to ride the 707 in conditions were I can waterstart easily when on my 100L board (I am 85kg) . With the 808 if I can waterstart in the gusts then there is usually enough wind.
If you like the 325 over the 370 you might also like the idea of the shorter fuse as its kinda like going to a smaller stabilizer.

Just a heads up to all the readers- going to smaller "stuff" took some time and can impact the fun. Fun is a very personal thing and there is no right or wrong. Fun for me is flying through a carving jibe or when you come down a wave and carve a bottom turn with speed. So smaller is faster, turnier but less stable and harder to get going. So if you like to flag the sail on lake swells a small MA freestyle foil might not even let you stay on the swell. Or if you like speed, well a short fuse is not the way to go.
For example; as a 68yr old part time foiler, when I get to Maui after not foiling for 3 or 4 months I don't jump on the 707/325 right away. I start with the 835 or 808/370 and it takes me a couple of weeks to feel anywhere near how I did the last time I foiled. And when I switch to the 325 the first reach feels like I am on a bucking bronco. Or when I go to the 707 I have to keep telling myself to keep the speed up or i will stall out. Which is actually a disadvantage when you want to slow down and wait for a wave or go down in the wrong place and can't get going fast enough before a big wave takes you out.
Sorry if this sounds like a rant but when I have been asked my equipment developers in Maui for advice it always revolves around avoiding making equipment for the few who foil 200 days a year or have crazy good skills and can ride the small stuff right away. I still want a board I can up haul and set up that gets going easily. That said things like the short sail to foil geometry really adds to the freestyle/wave fun factor. I also think there are opportunities to have a fuselage length/geometry suited to freeride or wave foiling.
sailortrash
sailortrash
20 posts
20 posts
7 Jul 2026 4:01am
Grantmac said..

Hess said..


Gurra said..
Hi. The setup for that day:
Severne Predator 110
Sabfoil BALZ PRO set
Front wing 969
Flat stab 370
Mast 83 cm
Fuselage 90 cm
Severne FoilFreek 4.4
Severne Enigma 140–190 cm
Severne Blue 400
RDM Severne Cyclops Carbon 24 cm
Severne Harness Lines 32"

I have the BALZ PRO 969, 909, and 808, and I love them all.
The 969 is great in lighter winds and has a nice glide in slower waves.
The 909 is faster and better for jumping.
I’ve been struggling with backloops (the real backloop, not the freestyle backloops you can do on flat water—the one where you go straight up, pause, rotate, and then come straight down) with both the 969 and the 909.
Recently, I started using the 808 together with my 3.3 sail, and that has been a game changer. Now we’re talking about proper jumping and fast wave riding. I’m making great progress with the 808, and it feels like it’s only a matter of time before real backloops are in the bag.

The predator 110 is to big in waves. To long, to much volume. I have the Predator 95 incoming (shipping from Asia). That will also help in backloops and waveriding.

/Gurra (88 kg)










Your set up makes sense to me.
My current go to set up is also the 808/325 combo. I had a custom fuselage made that is around 810cm but moves the mast pocket back a couple inches from the stock windfoil set up. I find it allows me to carve in tighter radius and get back on the wave face quicker in a bottom turn.
I also use the 707/325 combo quit a bit now it is fun to turn and handles better in bigger faster waves but takes a bit more wind to get going so on lighter days I am back to the 808. Of course my definition of light wind is different as I really only foil in Maui.
These foils are fun but are really freestyle foils and on bigger /faster waves provide more lift than is required . Although that extra lift gets you going on a smaller turnny foil. Life is full on compromises
The biggest equipment change that raised the fun factor for me is the reduction in distance between the sail base and the front foil.




Can you post a picture with some dimensions of that fuselage?


Yes please, almost sounded like u increased distance between front wing and mast/fuse connection. I feel the other eay around.
sailortrash
sailortrash
20 posts
20 posts
7 Jul 2026 4:12am
Hess said..

Gurra said..
Interesting to hear about your experience with the 707. Today I had the best windfoil session of my life. So good that I almost think I might never windsurf again.
I was on the 808 with the 370 stabilizer and had amazing rides in wind swell. I used my 3.3 sail, which really is the key to good wave windfoiling with a small sail.
Great speed, solid turning, and some epic hits off the lip (goiter, kono).

I also tried the Reverse 375 stabilizer, but I didn’t like it. It felt slow to get into flight mode, and the board didn’t fly evenly, I had to shift my weight back too much. So that stab is going up for sale :)
After that I tried the 325 stabilizer, and wow, that’s a really good combo with the 808. I’m now thinking of buying the 93 cm mast, because I believe it will give me even more of everything.





















Gurra awesome to hear about your session. Small sails are one of the reasons I love windfoiling so much and in the waves -- well I think you know what I mean. I am usually on a 3.4 or 3.8 Cypher as I like the way the freestyle sails provide low end power and the power turns on quickly when doing my version of an off the lip.
I am excited to hear you are doing the same moves on a foil that you would do on a fin in the waves. I have no chance of doing anything advanced like a goiter/kono but have always believed advanced wave riders could do them even in light winds and smaller waves when a windsurfer would only get a couple slow turns.
I ride the 94 UHM mast and found it less draggy. I also think you will love the 707 for its higher speed and tighter turns. I find I have to ride the 707 in conditions were I can waterstart easily when on my 100L board (I am 85kg) . With the 808 if I can waterstart in the gusts then there is usually enough wind.
If you like the 325 over the 370 you might also like the idea of the shorter fuse as its kinda like going to a smaller stabilizer.

Just a heads up to all the readers- going to smaller "stuff" took some time and can impact the fun. Fun is a very personal thing and there is no right or wrong. Fun for me is flying through a carving jibe or when you come down a wave and carve a bottom turn with speed. So smaller is faster, turnier but less stable and harder to get going. So if you like to flag the sail on lake swells a small MA freestyle foil might not even let you stay on the swell. Or if you like speed, well a short fuse is not the way to go.
For example; as a 68yr old part time foiler, when I get to Maui after not foiling for 3 or 4 months I don't jump on the 707/325 right away. I start with the 835 or 808/370 and it takes me a couple of weeks to feel anywhere near how I did the last time I foiled. And when I switch to the 325 the first reach feels like I am on a bucking bronco. Or when I go to the 707 I have to keep telling myself to keep the speed up or i will stall out. Which is actually a disadvantage when you want to slow down and wait for a wave or go down in the wrong place and can't get going fast enough before a big wave takes you out.
Sorry if this sounds like a rant but when I have been asked my equipment developers in Maui for advice it always revolves around avoiding making equipment for the few who foil 200 days a year or have crazy good skills and can ride the small stuff right away. I still want a board I can up haul and set up that gets going easily. That said things like the short sail to foil geometry really adds to the freestyle/wave fun factor. I also think there are opportunities to have a fuselage length/geometry suited to freeride or wave foiling.

U have a good point. Better to go with a floaty wing then falling through as soon as u go below 10 knots of speed. That’s a bit 2020 if u ask me


John340
John340
QLD
3435 posts
QLD, 3435 posts
7 Jul 2026 6:33am
I foiled Kanaha with Hess last November. We had some decent swell, over 2m on some days. I couldn't keep me 899 foil in the water going down the face of waves over 2m. A 808 would have been better. The 899 was great in anything under 2m
sailortrash
sailortrash
20 posts
20 posts
7 Jul 2026 2:05pm
John340 said..
I foiled Kanaha with Hess last November. We had some decent swell, over 2m on some days. I couldn't keep me 899 foil in the water going down the face of waves over 2m. A 808 would have been better. The 899 was great in anything under 2m

The 899 is huge and fairly old deisgn behind it. New wings with wide chords, thinner tips and leds camber is a game changer for wave riding. Less lift, 2 times the glide but u keep the stall speed.


Hess
Hess
325 posts
325 posts
8 Jul 2026 10:30am
John340 said..
I foiled Kanaha with Hess last November. We had some decent swell, over 2m on some days. I couldn't keep me 899 foil in the water going down the face of waves over 2m. A 808 would have been better. The 899 was great in anything under 2m




We did have some great days John, but you are being modest. As I know you were riding bombs that there close to mast high and making it look easy in those "Gentle Giants".

You and I have the same opinion.
Of course most foils will work most of the time as folks do go out a play around in big swell on bigger foils. However even on a head high day if I want to come down a fast wave (say one with an interval in the teens) and scream as fast as you can into a powered up bottom turn I have more fun with a smaller turnier foil. But that is just me. I find on a bigger lifter foil you don't come down the wave as fast and if there is too much lift its harder to control.
Hess
Hess
325 posts
325 posts
8 Jul 2026 10:40am
sailortrash said..

Hess said..


Gurra said..
Interesting to hear about your experience with the 707. Today I had the best windfoil session of my life. So good that I almost think I might never windsurf again.
I was on the 808 with the 370 stabilizer and had amazing rides in wind swell. I used my 3.3 sail, which really is the key to good wave windfoiling with a small sail.
Great speed, solid turning, and some epic hits off the lip (goiter, kono).

I also tried the Reverse 375 stabilizer, but I didn’t like it. It felt slow to get into flight mode, and the board didn’t fly evenly, I had to shift my weight back too much. So that stab is going up for sale :)
After that I tried the 325 stabilizer, and wow, that’s a really good combo with the 808. I’m now thinking of buying the 93 cm mast, because I believe it will give me even more of everything.






















Gurra awesome to hear about your session. Small sails are one of the reasons I love windfoiling so much and in the waves -- well I think you know what I mean. I am usually on a 3.4 or 3.8 Cypher as I like the way the freestyle sails provide low end power and the power turns on quickly when doing my version of an off the lip.
I am excited to hear you are doing the same moves on a foil that you would do on a fin in the waves. I have no chance of doing anything advanced like a goiter/kono but have always believed advanced wave riders could do them even in light winds and smaller waves when a windsurfer would only get a couple slow turns.
I ride the 94 UHM mast and found it less draggy. I also think you will love the 707 for its higher speed and tighter turns. I find I have to ride the 707 in conditions were I can waterstart easily when on my 100L board (I am 85kg) . With the 808 if I can waterstart in the gusts then there is usually enough wind.
If you like the 325 over the 370 you might also like the idea of the shorter fuse as its kinda like going to a smaller stabilizer.

Just a heads up to all the readers- going to smaller "stuff" took some time and can impact the fun. Fun is a very personal thing and there is no right or wrong. Fun for me is flying through a carving jibe or when you come down a wave and carve a bottom turn with speed. So smaller is faster, turnier but less stable and harder to get going. So if you like to flag the sail on lake swells a small MA freestyle foil might not even let you stay on the swell. Or if you like speed, well a short fuse is not the way to go.
For example; as a 68yr old part time foiler, when I get to Maui after not foiling for 3 or 4 months I don't jump on the 707/325 right away. I start with the 835 or 808/370 and it takes me a couple of weeks to feel anywhere near how I did the last time I foiled. And when I switch to the 325 the first reach feels like I am on a bucking bronco. Or when I go to the 707 I have to keep telling myself to keep the speed up or i will stall out. Which is actually a disadvantage when you want to slow down and wait for a wave or go down in the wrong place and can't get going fast enough before a big wave takes you out.
Sorry if this sounds like a rant but when I have been asked my equipment developers in Maui for advice it always revolves around avoiding making equipment for the few who foil 200 days a year or have crazy good skills and can ride the small stuff right away. I still want a board I can up haul and set up that gets going easily. That said things like the short sail to foil geometry really adds to the freestyle/wave fun factor. I also think there are opportunities to have a fuselage length/geometry suited to freeride or wave foiling.


U have a good point. Better to go with a floaty wing then falling through as soon as u go below 10 knots of speed. That’s a bit 2020 if u ask me



I probably was not clear, I really don't ride what I would call a floaty foil. I am 85kg on a light day. And the 808 is under 800 cm2 while the 707 is around 650cm2. Both are medium aspect.
I was just trying to explain that on the 707 sometimes I want to slow down to wait for the next wave or get going quickly in bigger sets and with a listed take off speed of 16-18knots the 707 can be a little trickier and even need a bit bigger sail So i then switch to the 808.


John340
John340
QLD
3435 posts
QLD, 3435 posts
8 Jul 2026 8:17pm






Hess said..




John340 said..
I foiled Kanaha with Hess last November. We had some decent swell, over 2m on some days. I couldn't keep me 899 foil in the water going down the face of waves over 2m. A 808 would have been better. The 899 was great in anything under 2m








We did have some great days John, but you are being modest. As I know you were riding bombs that there close to mast high and making it look easy in those "Gentle Giants".

You and I have the same opinion.
Of course most foils will work most of the time as folks do go out a play around in big swell on bigger foils. However even on a head high day if I want to come down a fast wave (say one with an interval in the teens) and scream as fast as you can into a powered up bottom turn I have more fun with a smaller turnier foil. But that is just me. I find on a bigger lifter foil you don't come down the wave as fast and if there is too much lift its harder to control.





The side shore wind at Kanaha is a game changer for riding waves. Instead of flagging the sail, you ride waves like a windsurfer, you keep the power in the sail and sheet in a toeside bottom turn and only sheet out about half way through the heelside cut back off the top of the wave. Linking multiple bottom turns and cutbacks on one wave feels fantastic. My Slingshot Phantasm 899 was perfect until the waves got over 2m.
sailortrash
sailortrash
20 posts
20 posts
8 Jul 2026 8:41pm
John340 said..







Hess said..





John340 said..
I foiled Kanaha with Hess last November. We had some decent swell, over 2m on some days. I couldn't keep me 899 foil in the water going down the face of waves over 2m. A 808 would have been better. The 899 was great in anything under 2m









We did have some great days John, but you are being modest. As I know you were riding bombs that there close to mast high and making it look easy in those "Gentle Giants".

You and I have the same opinion.
Of course most foils will work most of the time as folks do go out a play around in big swell on bigger foils. However even on a head high day if I want to come down a fast wave (say one with an interval in the teens) and scream as fast as you can into a powered up bottom turn I have more fun with a smaller turnier foil. But that is just me. I find on a bigger lifter foil you don't come down the wave as fast and if there is too much lift its harder to control.






The side shore wind at Kanaha is a game changer for riding waves. Instead of flagging the sail, you ride waves like a windsurfer, you keep the power in the sail and sheet in a toeside bottom turn and only sheet out about half way through the heelside cut back off the top of the wave. Linking multiple bottom turns and cutbacks on one wave feels fantastic. My Slingshot Phantasm 899 was perfect until the waves got over 2m.


That would require a small foil like the 808/707 i think, but haven’t yet come across anything similar…sounds pretty awsome!
Gwarn
Gwarn
251 posts
251 posts
9 Jul 2026 1:08am
John340 said..







Hess said..





John340 said..
I foiled Kanaha with Hess last November. We had some decent swell, over 2m on some days. I couldn't keep me 899 foil in the water going down the face of waves over 2m. A 808 would have been better. The 899 was great in anything under 2m









We did have some great days John, but you are being modest. As I know you were riding bombs that there close to mast high and making it look easy in those "Gentle Giants".

You and I have the same opinion.
Of course most foils will work most of the time as folks do go out a play around in big swell on bigger foils. However even on a head high day if I want to come down a fast wave (say one with an interval in the teens) and scream as fast as you can into a powered up bottom turn I have more fun with a smaller turnier foil. But that is just me. I find on a bigger lifter foil you don't come down the wave as fast and if there is too much lift its harder to control.






The side shore wind at Kanaha is a game changer for riding waves. Instead of flagging the sail, you ride waves like a windsurfer, you keep the power in the sail and sheet in a toeside bottom turn and only sheet out about half way through the heelside cut back off the top of the wave. Linking multiple bottom turns and cutbacks on one wave feels fantastic. My Slingshot Phantasm 899 was perfect until the waves got over 2m.


Maui next on my bucket list before I get benched. Hoping for next summer ....
John340
John340
QLD
3435 posts
QLD, 3435 posts
9 Jul 2026 6:43am
You won't regret it, however consider spring or autumn over summer when the waves are more consistent and bigger.
Hess
Hess
325 posts
325 posts
11 Jul 2026 7:24am
Gwarn said..

John340 said..








Hess said..






John340 said..
I foiled Kanaha with Hess last November. We had some decent swell, over 2m on some days. I couldn't keep me 899 foil in the water going down the face of waves over 2m. A 808 would have been better. The 899 was great in anything under 2m










We did have some great days John, but you are being modest. As I know you were riding bombs that there close to mast high and making it look easy in those "Gentle Giants".

You and I have the same opinion.
Of course most foils will work most of the time as folks do go out a play around in big swell on bigger foils. However even on a head high day if I want to come down a fast wave (say one with an interval in the teens) and scream as fast as you can into a powered up bottom turn I have more fun with a smaller turnier foil. But that is just me. I find on a bigger lifter foil you don't come down the wave as fast and if there is too much lift its harder to control.







The side shore wind at Kanaha is a game changer for riding waves. Instead of flagging the sail, you ride waves like a windsurfer, you keep the power in the sail and sheet in a toeside bottom turn and only sheet out about half way through the heelside cut back off the top of the wave. Linking multiple bottom turns and cutbacks on one wave feels fantastic. My Slingshot Phantasm 899 was perfect until the waves got over 2m.



Maui next on my bucket list before I get benched. Hoping for next summer ....

John gives good advice if you are coming to ride reef waves with the wind 90 degrees to the wave Spring or Fall provide the best combination of waves and wind.
If you want to ride windswell the summer is awesome for downwinders and the like.
If you plan on coming for a short period check the Kanaha or Kahalui tide charts to make sure the tide is at least 1ft after 11 am (you cant go out before that time).


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