Rigging Dimensions
The four foretriangle measurements sailmakers need to quote a new suit.
I ?
47.92 ft
J ?
14.67 ft
P ?
46.50 ft
E ?
20.75 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 | 482.4 | 44.8 |
| 100% ForetriangleI × J ÷ 2 | 351.5 | 32.7 |
| 150% GenoaTypical light-air headsail | 527.2 | 49.0 |
| Storm Jib~50% of foretriangle, high-cut | 175.7 | 16.3 |
| Symmetric SpinnakerEstimated from I, J | 1,265.4 | 117.6 |
| Total Working Sail AreaMain + 100% foretriangle | 833.9 | 77.5 |
Foretriangle Diagram
Drawn to scale from published I, J, P, E measurements — Masthead Sloop · Hunter Design Team design
Performance Ratios
How the Hunter 45 Cc carries its sail relative to its displacement.
SA/D Ratio
17.7
Moderate — comfortable coastal cruiser, not overcanvassed.
Mast Height (above DWL)
57.3 ft
Clears the 65 ft ICW fixed-bridge standard at normal tide.
Ballast Ratio
40%
Stiff enough to carry a 150% genoa comfortably into moderate breeze.
Typical Sail Inventory
What Hunter 45 Cc owners usually carry and what's worth buying used vs. new.
Mainsail 482.4 ft²
Dacron cross-cut with 2 reef points is standard. Full-batten is a common upgrade.
Replace new
150% Genoa 527.2 ft²
The workhorse headsail. Most boats have one on a furler by now.
Replace new
110% Working Jib ~387 ft²
Good secondary sail for breezy days — used market is strong.
Buy used
Storm Jib 175.7 ft²
Bright orange recommended. Rarely used, hard to justify new.
Buy used
Asymmetric Spinnaker ~1,265 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 45 Cc — Dacron, laminate, and cruising performance tiers.