Rigging Dimensions
The four foretriangle measurements sailmakers need to quote a new suit.
I ?
29.52 ft
J ?
9.35 ft
P ?
25.75 ft
E ?
8.37 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 | 107.8 | 10.0 |
| 100% ForetriangleI × J ÷ 2 | 138.0 | 12.8 |
| 150% GenoaTypical light-air headsail | 207.0 | 19.2 |
| Storm Jib~50% of foretriangle, high-cut | 69.0 | 6.4 |
| Symmetric SpinnakerEstimated from I, J | 496.8 | 46.2 |
| Total Working Sail AreaMain + 100% foretriangle | 245.8 | 22.8 |
Foretriangle Diagram
Drawn to scale from published I, J, P, E measurements — Masthead Sloop · Jørn Hansen design
Performance Ratios
How the Granada 24 carries its sail relative to its displacement.
SA/D Ratio
15.8
Moderate — comfortable coastal cruiser, not overcanvassed.
Mast Height (above DWL)
— ft
Air draft not published — measure yours before any bridge transit.
Ballast Ratio
47%
Race-oriented ballast ratio — stiff and powerful.
Typical Sail Inventory
What Granada 24 owners usually carry and what's worth buying used vs. new.
Mainsail 107.8 ft²
Dacron cross-cut with 2 reef points is standard. Full-batten is a common upgrade.
Replace new
150% Genoa 207.0 ft²
The workhorse headsail. Most boats have one on a furler by now.
Replace new
110% Working Jib ~152 ft²
Good secondary sail for breezy days — used market is strong.
Buy used
Storm Jib 69.0 ft²
Bright orange recommended. Rarely used, hard to justify new.
Buy used
Asymmetric Spinnaker ~497 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 Granada 24 — Dacron, laminate, and cruising performance tiers.