Rigging Dimensions
The four foretriangle measurements sailmakers need to quote a new suit.
I ?
46.19 ft
J ?
13.19 ft
P ?
44.46 ft
E ?
12.70 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 | 282.3 | 26.2 |
| 100% ForetriangleI × J ÷ 2 | 304.6 | 28.3 |
| 150% GenoaTypical light-air headsail | 456.9 | 42.5 |
| Storm Jib~50% of foretriangle, high-cut | 152.3 | 14.2 |
| Symmetric SpinnakerEstimated from I, J | 1,096.6 | 101.9 |
| Total Working Sail AreaMain + 100% foretriangle | 586.9 | 54.5 |
Foretriangle Diagram
Drawn to scale from published I, J, P, E measurements — Fractional Sloop · Marc Lombard design
Performance Ratios
How the Sun Odyssey 36I Perf Jeanneau carries its sail relative to its displacement.
SA/D Ratio
22.1
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
27%
Light ballast — tends to be tender; reef earlier.
Typical Sail Inventory
What Sun Odyssey 36I Perf Jeanneau owners usually carry and what's worth buying used vs. new.
Mainsail 282.3 ft²
Dacron cross-cut with 2 reef points is standard. Full-batten is a common upgrade.
Replace new
150% Genoa 456.9 ft²
The workhorse headsail. Most boats have one on a furler by now.
Replace new
110% Working Jib ~335 ft²
Good secondary sail for breezy days — used market is strong.
Buy used
Storm Jib 152.3 ft²
Bright orange recommended. Rarely used, hard to justify new.
Buy used
Asymmetric Spinnaker ~1,097 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 Sun Odyssey 36I Perf Jeanneau — Dacron, laminate, and cruising performance tiers.