Rigging Dimensions
The four foretriangle measurements sailmakers need to quote a new suit.
I ?
50.33 ft
J ?
13.25 ft
P ?
52.00 ft
E ?
16.42 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 | 426.9 | 39.7 |
| 100% ForetriangleI × J ÷ 2 | 333.4 | 31.0 |
| 150% GenoaTypical light-air headsail | 500.2 | 46.5 |
| Storm Jib~50% of foretriangle, high-cut | 166.7 | 15.5 |
| Symmetric SpinnakerEstimated from I, J | 1,200.4 | 111.5 |
| Total Working Sail AreaMain + 100% foretriangle | 760.4 | 70.6 |
Foretriangle Diagram
Drawn to scale from published I, J, P, E measurements — Masthead Sloop · Hunter Design Team design
Performance Ratios
How the Hunter 405 Legend carries its sail relative to its displacement.
SA/D Ratio
17.5
Moderate — comfortable coastal cruiser, not overcanvassed.
Mast Height (above DWL)
63.3 ft
Tight on the 65 ft ICW standard — check tide before transiting.
Ballast Ratio
40%
Stiff enough to carry a 150% genoa comfortably into moderate breeze.
Typical Sail Inventory
What Hunter 405 Legend owners usually carry and what's worth buying used vs. new.
Mainsail 426.9 ft²
Dacron cross-cut with 2 reef points is standard. Full-batten is a common upgrade.
Replace new
150% Genoa 500.2 ft²
The workhorse headsail. Most boats have one on a furler by now.
Replace new
110% Working Jib ~367 ft²
Good secondary sail for breezy days — used market is strong.
Buy used
Storm Jib 166.7 ft²
Bright orange recommended. Rarely used, hard to justify new.
Buy used
Asymmetric Spinnaker ~1,200 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 Hunter 405 Legend — Dacron, laminate, and cruising performance tiers.