Rigging Dimensions
The four foretriangle measurements sailmakers need to quote a new suit.
I ?
27.09 ft
J ?
26.90 ft
P ?
2.00 ft
E ?
— 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 | — | — |
| 100% ForetriangleI × J ÷ 2 | 364.4 | 33.9 |
| 150% GenoaTypical light-air headsail | 546.5 | 50.8 |
| Storm Jib~50% of foretriangle, high-cut | 182.2 | 16.9 |
| Symmetric SpinnakerEstimated from I, J | 1,311.7 | 121.9 |
| Total Working Sail AreaMain + 100% foretriangle | — | — |
Foretriangle Diagram
Scale diagram unavailable — I, J, P, and E measurements are not all published for the Swan 65 Frers.
Performance Ratios
How the Swan 65 Frers carries its sail relative to its displacement.
SA/D Ratio
—
Sail Area / Displacement ratio not published.
Mast Height (above DWL)
— ft
Air draft not published — measure yours before any bridge transit.
Ballast Ratio
24%
Light ballast — tends to be tender; reef earlier.
Typical Sail Inventory
What Swan 65 Frers owners usually carry and what's worth buying used vs. new.
Mainsail — ft²
Dacron cross-cut with 2 reef points is standard. Full-batten is a common upgrade.
Replace new
150% Genoa 546.5 ft²
The workhorse headsail. Most boats have one on a furler by now.
Replace new
110% Working Jib ~401 ft²
Good secondary sail for breezy days — used market is strong.
Buy used
Storm Jib 182.2 ft²
Bright orange recommended. Rarely used, hard to justify new.
Buy used
Asymmetric Spinnaker ~1,312 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 Swan 65 Frers — Dacron, laminate, and cruising performance tiers.