Rigging Dimensions
The four foretriangle measurements sailmakers need to quote a new suit.
I ?
58.00 ft
J ?
19.00 ft
P ?
51.50 ft
E ?
18.75 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 | 482.8 | 44.9 |
| 100% ForetriangleI × J ÷ 2 | 551.0 | 51.2 |
| 150% GenoaTypical light-air headsail | 826.5 | 76.8 |
| Storm Jib~50% of foretriangle, high-cut | 275.5 | 25.6 |
| Symmetric SpinnakerEstimated from I, J | 1,983.6 | 184.3 |
| Total Working Sail AreaMain + 100% foretriangle | 1,033.8 | 96.0 |
Foretriangle Diagram
Drawn to scale from published I, J, P, E measurements — Staysail Ketch · William Shaw design
Performance Ratios
How the Pearson 530 carries its sail relative to its displacement.
SA/D Ratio
16.1
Moderate — comfortable coastal cruiser, not overcanvassed.
Mast Height (above DWL)
64.0 ft
Tight on the 65 ft ICW standard — check tide before transiting.
Ballast Ratio
37%
Typical cruising ballast — balanced stability underway.
Typical Sail Inventory
What Pearson 530 owners usually carry and what's worth buying used vs. new.
Mainsail 482.8 ft²
Dacron cross-cut with 2 reef points is standard. Full-batten is a common upgrade.
Replace new
150% Genoa 826.5 ft²
The workhorse headsail. Most boats have one on a furler by now.
Replace new
110% Working Jib ~606 ft²
Good secondary sail for breezy days — used market is strong.
Buy used
Storm Jib 275.5 ft²
Bright orange recommended. Rarely used, hard to justify new.
Buy used
Asymmetric Spinnaker ~1,984 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 Pearson 530 — Dacron, laminate, and cruising performance tiers.