Rigging Dimensions
The four foretriangle measurements sailmakers need to quote a new suit.
I ?
42.50 ft
J ?
15.70 ft
P ?
36.60 ft
E ?
17.20 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 | 314.8 | 29.2 |
| 100% ForetriangleI × J ÷ 2 | 333.6 | 31.0 |
| 150% GenoaTypical light-air headsail | 500.4 | 46.5 |
| Storm Jib~50% of foretriangle, high-cut | 166.8 | 15.5 |
| Symmetric SpinnakerEstimated from I, J | 1,201.1 | 111.6 |
| Total Working Sail AreaMain + 100% foretriangle | 648.4 | 60.2 |
Foretriangle Diagram
Drawn to scale from published I, J, P, E measurements — Masthead Yawl · William Tripp, Jr. design
Performance Ratios
How the Bermuda 40 1 Hinckley carries its sail relative to its displacement.
SA/D Ratio
14.6
Moderate — comfortable coastal cruiser, not overcanvassed.
Mast Height (above DWL)
— ft
Air draft not published — measure yours before any bridge transit.
Ballast Ratio
34%
Typical cruising ballast — balanced stability underway.
Typical Sail Inventory
What Bermuda 40 1 Hinckley owners usually carry and what's worth buying used vs. new.
Mainsail 314.8 ft²
Dacron cross-cut with 2 reef points is standard. Full-batten is a common upgrade.
Replace new
150% Genoa 500.4 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 166.8 ft²
Bright orange recommended. Rarely used, hard to justify new.
Buy used
Asymmetric Spinnaker ~1,201 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 Bermuda 40 1 Hinckley — Dacron, laminate, and cruising performance tiers.