Rigging Dimensions
The four foretriangle measurements sailmakers need to quote a new suit.
I ?
23.80 ft
J ?
8.10 ft
P ?
26.12 ft
E ?
9.00 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 | 117.5 | 10.9 |
| 100% ForetriangleI × J ÷ 2 | 96.4 | 9.0 |
| 150% GenoaTypical light-air headsail | 144.6 | 13.4 |
| Storm Jib~50% of foretriangle, high-cut | 48.2 | 4.5 |
| Symmetric SpinnakerEstimated from I, J | 347.0 | 32.2 |
| Total Working Sail AreaMain + 100% foretriangle | 213.9 | 19.9 |
Foretriangle Diagram
Drawn to scale from published I, J, P, E measurements — Fractional Sloop · Jacques De Ridder design
Performance Ratios
How the Etap 23Il carries its sail relative to its displacement.
SA/D Ratio
22.1
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
30%
Typical cruising ballast — balanced stability underway.
Typical Sail Inventory
What Etap 23Il owners usually carry and what's worth buying used vs. new.
Mainsail 117.5 ft²
Dacron cross-cut with 2 reef points is standard. Full-batten is a common upgrade.
Replace new
150% Genoa 144.6 ft²
The workhorse headsail. Most boats have one on a furler by now.
Replace new
110% Working Jib ~106 ft²
Good secondary sail for breezy days — used market is strong.
Buy used
Storm Jib 48.2 ft²
Bright orange recommended. Rarely used, hard to justify new.
Buy used
Asymmetric Spinnaker ~347 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 Etap 23Il — Dacron, laminate, and cruising performance tiers.