Rigging Dimensions
The four foretriangle measurements sailmakers need to quote a new suit.
I ?
57.80 ft
J ?
17.80 ft
P ?
50.80 ft
E ?
16.00 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 | 406.4 | 37.8 |
| 100% ForetriangleI × J ÷ 2 | 514.4 | 47.8 |
| 150% GenoaTypical light-air headsail | 771.6 | 71.7 |
| Storm Jib~50% of foretriangle, high-cut | 257.2 | 23.9 |
| Symmetric SpinnakerEstimated from I, J | 1,851.9 | 172.0 |
| Total Working Sail AreaMain + 100% foretriangle | 920.8 | 85.5 |
Foretriangle Diagram
Drawn to scale from published I, J, P, E measurements — Masthead Sloop · Mccurdy&Rhodes design
Performance Ratios
How the Hinckley 42 Competition carries its sail relative to its displacement.
SA/D Ratio
19.1
Powerful cruiser/racer — quick in light air, reef early in a blow.
Mast Height (above DWL)
— ft
Air draft not published — measure yours before any bridge transit.
Ballast Ratio
—
Ballast ratio not published.
Typical Sail Inventory
What Hinckley 42 Competition owners usually carry and what's worth buying used vs. new.
Mainsail 406.4 ft²
Dacron cross-cut with 2 reef points is standard. Full-batten is a common upgrade.
Replace new
150% Genoa 771.6 ft²
The workhorse headsail. Most boats have one on a furler by now.
Replace new
110% Working Jib ~566 ft²
Good secondary sail for breezy days — used market is strong.
Buy used
Storm Jib 257.2 ft²
Bright orange recommended. Rarely used, hard to justify new.
Buy used
Asymmetric Spinnaker ~1,852 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 Hinckley 42 Competition — Dacron, laminate, and cruising performance tiers.