Lift Foils 121 Havoc Front Wing 121 hydrofoil front wing: 774 cm², 737 mm span, aspect ratio 7.00, with its closest equivalents from other brands within ±5% area and ±8% aspect ratio. Figures from Lift Foils's own published specifications.
Projected and flat area run 3–8% apart. A marked area is one whose brand does not state which it publishes, so a match inside the area tolerance may be comparing unlike figures.
| Brand | Wing | Area cm² | Δ area | Aspect ratio | Δ AR | Span mm | Band |
|---|---|---|---|---|---|---|---|
| Duotone | Carve 3.0 D/LAB 800 | 800 | +3.4% | 7.00 | +0.0% | 750 | C2 Mid-low aspect |
| GONG | Ypra Surf-Freestyle V3 L | 740 | -4.4% | 6.81 | -2.7% | 710 | C2 Mid-low aspect |
| GONG | Ypra Surf-Freestyle V3 Atmo L | 740 | -4.4% | 6.80 | -2.9% | 710 | C2 Mid-low aspect |
| RRD | Thunder Front Wing Y30 750 | 750 | -3.1% | 7.50 | +7.1% | 750 | C2 Mid-low aspect |
| F-One | PHANTOM S Carbon PHANTOM-S 740 | 740 | -4.4% | 6.50 | -7.1% | 695 | C2 Mid-low aspect |
| Family | Havoc |
|---|---|
| Size | 121 |
| Area, cm² | 774 |
| Area basis | unknown |
| Span, mm | 737 |
| Chord, mm | — |
| Aspect ratio | 7.00 |
| Band | C2 Mid-low aspect |
| Brand files it under | Surf / carve |
| Disciplines | prone, efoil |
| Construction | HM carbon (Toray M3) |
| Model year | 2026 |
| Source | manufacturer |
The brand's published aspect ratio agrees with its own span and area (span² ÷ area) to within 5%, so the figure is confirmed.
See Lift Foils on the plot →Data current to August 2026. Fast Bobby is the researcher, never the reviewer: every figure above is the manufacturer's published claim, converted to comparable units, and nothing here is a riding impression.