Sonar SF680
Released March 2023
- Area
- 680 (cm²)
- Wingspan
- 79.0 (cm)
- Aspect Ratio
- 9.2
We’ve engineered our Sonar Surf Series for super low stall speeds, effortless pumping and surf-style carving. Ideal for riders wanting more from the surf and downwind swells (with or without a wing). The foils insensitive to angle of attack change means you don’t have to be an expert or have perfect pumping technique.
The SF promises a frictionless sensation of glide at slower speeds. Responsive and agile. With intuitive recovery. Wakesurfing ten waves back, prone surfing, wing-surfing, pumping or mastering the downwind.
The SF Series. At one with it all.
Comparison to similar foils
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| North | Axis | Cabrinha | Armstrong | F-One | |
| Sonar SF680 | ART 799 | Fusion H-Series MKII H700 | HA680 | Eagle 690 | |
| northkb.com | axisfoils.com | cabrinha.com | armstrongfoils.com | f-one.world | |
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Area cm² |
680 | 707 | 700 | 680 | 690 |
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Aspect Ratio |
9.2 | 9.05 | 9.49 | 9.8 | 9.7 |
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Chord cm |
– | 12.0 | 12.0 | – | – |
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Thickness cm |
– | – | – | – | – |
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Volume cm³ |
– | 540 | – | – | – |
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Wingspan cm |
79.0 | 79.9 | 81.5 | 81.8 | 82.0 |
| Downwind | |||||
| Kite | |||||
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| Pump | |||||
| Wing | |||||
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| Release Date | March 2023 | December 2021 | January 2023 | January 2024 | March 2022 |
