Rigging Dimensions
The four foretriangle measurements sailmakers need to quote a new suit.
I ?
48.06 ft
J ?
13.62 ft
P ?
45.28 ft
E ?
15.26 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 | 345.5 | 32.1 |
| 100% ForetriangleI × J ÷ 2 | 327.3 | 30.4 |
| 150% GenoaTypical light-air headsail | 490.9 | 45.6 |
| Storm Jib~50% of foretriangle, high-cut | 163.6 | 15.2 |
| Symmetric SpinnakerEstimated from I, J | 1,178.2 | 109.5 |
| Total Working Sail AreaMain + 100% foretriangle | 672.8 | 62.5 |
Foretriangle Diagram
Drawn to scale from published I, J, P, E measurements — Fractional Sloop · Leif Ängermark design
Performance Ratios
How the Malo 37 carries its sail relative to its displacement.
SA/D Ratio
15.8
Moderate — comfortable coastal cruiser, not overcanvassed.
Mast Height (above DWL)
56.3 ft
Clears the 65 ft ICW fixed-bridge standard at normal tide.
Ballast Ratio
33%
Typical cruising ballast — balanced stability underway.
Typical Sail Inventory
What Malo 37 owners usually carry and what's worth buying used vs. new.
Mainsail 345.5 ft²
Dacron cross-cut with 2 reef points is standard. Full-batten is a common upgrade.
Replace new
150% Genoa 490.9 ft²
The workhorse headsail. Most boats have one on a furler by now.
Replace new
110% Working Jib ~360 ft²
Good secondary sail for breezy days — used market is strong.
Buy used
Storm Jib 163.6 ft²
Bright orange recommended. Rarely used, hard to justify new.
Buy used
Asymmetric Spinnaker ~1,178 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 Malo 37 — Dacron, laminate, and cruising performance tiers.