
Family S Series Brand’s category All-round / freeride Disciplines prone, wing, sup, downwind carbon · 2025-2026
The S Series Front Wing runs 9 sizes, 500–1,725 cm², and holds its proportions across the range: every size publishes an aspect ratio within 5% of the others.
Its 1,210 mm span is 8% wider than typical for the area — the median across the 75 current wings within 10% of its size is 1,120 mm.
Projected and flat area run 3–8% apart. A marked area is one whose brand does not state which it publishes, so a comparison inside the area tolerance may be comparing unlike figures.
| Brand | Wing | Area cm² | Δ area | Aspect ratio | Δ AR | Span mm | Band |
|---|---|---|---|---|---|---|---|
| Unifoil | Evolution 235 | 1,516 | -1.6% | 9.40 | -1.1% | 1,191 | Mid aspect |
| Axis | Spitfire 1180 | 1,554 | +0.9% | 9.13 | -3.9% | 1,180 | Mid aspect |
| Slingshot | One-Lock Glide 1525 | 1,525 | -1.0% | 9.00 | -5.3% | 1,169 | Mid aspect |
| Takoon | Pump One Front Wing 1600 | 1,600 | +3.9% | 9.15 | -3.7% | 1,210 | Mid aspect |
| Takoon | Pump Front Wing 1500 | 1,500 | -2.6% | 10.10 | +6.3% | 1,230 | High aspect |
| F-One | JAM HM Carbon 1600 | 1,600 | +3.9% | 10.20 | +7.4% | 1,280 | High aspect |
| Family | S Series |
|---|---|
| Size | 1540S |
| Area, cm² | 1,540 |
| Area basis | unknown |
| Span, mm | 1,210 |
| Chord, mm | — |
| Aspect ratio | 9.50 |
| Band | Mid aspect |
| Brand’s category | All-round / freeride |
| Disciplines | prone, wing, sup, downwind |
| Construction | carbon |
| Model year | 2025-2026 |
| 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.
Data current to August 2026. Every figure above is the manufacturer's published claim, converted to comparable units.
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