Rigging Dimensions
The four foretriangle measurements sailmakers need to quote a new suit.
I ?
32.18 ft
J ?
10.18 ft
P ?
36.09 ft
E ?
13.62 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 | 245.8 | 22.8 |
| 100% ForetriangleI × J ÷ 2 | 163.8 | 15.2 |
| 150% GenoaTypical light-air headsail | 245.7 | 22.8 |
| Storm Jib~50% of foretriangle, high-cut | 81.9 | 7.6 |
| Symmetric SpinnakerEstimated from I, J | 589.7 | 54.8 |
| Total Working Sail AreaMain + 100% foretriangle | 409.6 | 38.1 |
Foretriangle Diagram
Drawn to scale from published I, J, P, E measurements — Fractional Sloop · Ron Holland & Rolf Gyhlenius design
Performance Ratios
How the 11 Meter carries its sail relative to its displacement.
SA/D Ratio
31.2
Performance-oriented — carries a lot of sail for its weight.
Mast Height (above DWL)
— ft
Air draft not published — measure yours before any bridge transit.
Ballast Ratio
45%
Race-oriented ballast ratio — stiff and powerful.
Typical Sail Inventory
What 11 Meter owners usually carry and what's worth buying used vs. new.
Mainsail 245.8 ft²
Dacron cross-cut with 2 reef points is standard. Full-batten is a common upgrade.
Replace new
150% Genoa 245.7 ft²
The workhorse headsail. Most boats have one on a furler by now.
Replace new
110% Working Jib ~180 ft²
Good secondary sail for breezy days — used market is strong.
Buy used
Storm Jib 81.9 ft²
Bright orange recommended. Rarely used, hard to justify new.
Buy used
Asymmetric Spinnaker ~590 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 11 Meter — Dacron, laminate, and cruising performance tiers.