Rigging Dimensions
The four foretriangle measurements sailmakers need to quote a new suit.
I ?
50.20 ft
J ?
16.96 ft
P ?
50.20 ft
E ?
16.57 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 | 415.9 | 38.6 |
| 100% ForetriangleI × J ÷ 2 | 425.7 | 39.5 |
| 150% GenoaTypical light-air headsail | 638.5 | 59.3 |
| Storm Jib~50% of foretriangle, high-cut | 212.8 | 19.8 |
| Symmetric SpinnakerEstimated from I, J | 1,532.5 | 142.4 |
| Total Working Sail AreaMain + 100% foretriangle | 841.6 | 78.2 |
Foretriangle Diagram
Drawn to scale from published I, J, P, E measurements — Fractional Sloop · Philippe Briand/Piaton Bonet Yacht Design design
Performance Ratios
How the Sun Odyssey 440 Jeanneau carries its sail relative to its displacement.
SA/D Ratio
19.1
Powerful cruiser/racer — quick in light air, reef early in a blow.
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 440 Jeanneau owners usually carry and what's worth buying used vs. new.
Mainsail 415.9 ft²
Dacron cross-cut with 2 reef points is standard. Full-batten is a common upgrade.
Replace new
150% Genoa 638.5 ft²
The workhorse headsail. Most boats have one on a furler by now.
Replace new
110% Working Jib ~468 ft²
Good secondary sail for breezy days — used market is strong.
Buy used
Storm Jib 212.8 ft²
Bright orange recommended. Rarely used, hard to justify new.
Buy used
Asymmetric Spinnaker ~1,533 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 440 Jeanneau — Dacron, laminate, and cruising performance tiers.