Rigging Dimensions
The four foretriangle measurements sailmakers need to quote a new suit.
I ?
38.55 ft
J ?
11.64 ft
P ?
43.30 ft
E ?
15.75 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 | 341.0 | 31.7 |
| 100% ForetriangleI × J ÷ 2 | 224.4 | 20.8 |
| 150% GenoaTypical light-air headsail | 336.5 | 31.3 |
| Storm Jib~50% of foretriangle, high-cut | 112.2 | 10.4 |
| Symmetric SpinnakerEstimated from I, J | 807.7 | 75.0 |
| Total Working Sail AreaMain + 100% foretriangle | 565.3 | 52.5 |
Foretriangle Diagram
Drawn to scale from published I, J, P, E measurements — Fractional Sloop · E. G. Van De Stadt/Cees Van Tongeren design
Performance Ratios
How the Db 2 carries its sail relative to its displacement.
SA/D Ratio
24.9
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
52%
Race-oriented ballast ratio — stiff and powerful.
Typical Sail Inventory
What Db 2 owners usually carry and what's worth buying used vs. new.
Mainsail 341.0 ft²
Dacron cross-cut with 2 reef points is standard. Full-batten is a common upgrade.
Replace new
150% Genoa 336.5 ft²
The workhorse headsail. Most boats have one on a furler by now.
Replace new
110% Working Jib ~247 ft²
Good secondary sail for breezy days — used market is strong.
Buy used
Storm Jib 112.2 ft²
Bright orange recommended. Rarely used, hard to justify new.
Buy used
Asymmetric Spinnaker ~808 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 Db 2 — Dacron, laminate, and cruising performance tiers.