Rigging Dimensions
The four foretriangle measurements sailmakers need to quote a new suit.
I ?
62.00 ft
J ?
17.36 ft
P ?
61.35 ft
E ?
21.49 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 | 659.2 | 61.2 |
| 100% ForetriangleI × J ÷ 2 | 538.2 | 50.0 |
| 150% GenoaTypical light-air headsail | 807.2 | 75.0 |
| Storm Jib~50% of foretriangle, high-cut | 269.1 | 25.0 |
| Symmetric SpinnakerEstimated from I, J | 1,937.4 | 180.0 |
| Total Working Sail AreaMain + 100% foretriangle | 1,197.4 | 111.2 |
Foretriangle Diagram
Drawn to scale from published I, J, P, E measurements — Fractional Sloop · Judel/Vrolijk design
Performance Ratios
How the Dehler 46 C carries its sail relative to its displacement.
SA/D Ratio
26.1
Performance-oriented — carries a lot of sail for its weight.
Mast Height (above DWL)
72.8 ft
Air draft exceeds the 65 ft ICW standard — plan accordingly.
Ballast Ratio
28%
Light ballast — tends to be tender; reef earlier.
Typical Sail Inventory
What Dehler 46 C owners usually carry and what's worth buying used vs. new.
Mainsail 659.2 ft²
Dacron cross-cut with 2 reef points is standard. Full-batten is a common upgrade.
Replace new
150% Genoa 807.2 ft²
The workhorse headsail. Most boats have one on a furler by now.
Replace new
110% Working Jib ~592 ft²
Good secondary sail for breezy days — used market is strong.
Buy used
Storm Jib 269.1 ft²
Bright orange recommended. Rarely used, hard to justify new.
Buy used
Asymmetric Spinnaker ~1,937 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 Dehler 46 C — Dacron, laminate, and cruising performance tiers.