Rigging Dimensions
The four foretriangle measurements sailmakers need to quote a new suit.
I ?
54.46 ft
J ?
14.93 ft
P ?
53.15 ft
E ?
19.19 ft
Sail Area Breakdown
Calculated from rigging dimensions. Use these as your starting point when ordering a new suit.
| Sail | Area (ft²) | Area (m²) |
|---|---|---|
| MainsailP × E ÷ 2 | 510.0 | 47.4 |
| 100% ForetriangleI × J ÷ 2 | 406.5 | 37.8 |
| 150% GenoaTypical light-air headsail | 609.8 | 56.7 |
| Storm Jib~50% of foretriangle, high-cut | 203.3 | 18.9 |
| Symmetric SpinnakerEstimated from I, J | 1,463.6 | 136.0 |
| Total Working Sail AreaMain + 100% foretriangle | 916.5 | 85.1 |
Foretriangle Diagram
Drawn to scale from published I, J, P, E measurements — Fractional Sloop · Stefan Qviberg design
Performance Ratios
How the Arcona 415 carries its sail relative to its displacement.
SA/D Ratio
25.3
Performance-oriented — carries a lot of sail for its weight.
Mast Height (above DWL)
65.0 ft
Tight on the 65 ft ICW standard — check tide before transiting.
Ballast Ratio
—
Ballast ratio not published.
Typical Sail Inventory
What Arcona 415 owners usually carry and what's worth buying used vs. new.
Mainsail 510.0 ft²
Dacron cross-cut with 2 reef points is standard. Full-batten is a common upgrade.
Replace new
150% Genoa 609.8 ft²
The workhorse headsail. Most boats have one on a furler by now.
Replace new
110% Working Jib ~447 ft²
Good secondary sail for breezy days — used market is strong.
Buy used
Storm Jib 203.3 ft²
Bright orange recommended. Rarely used, hard to justify new.
Buy used
Asymmetric Spinnaker ~1,464 ft²
Popular downwind upgrade — easier than symmetric for shorthanded sailing.
Optional
Replacement Cost Estimator
Get a rough price range for a new mainsail and genoa for the Arcona 415 — Dacron, laminate, and cruising performance tiers.