Rigging Dimensions
The four foretriangle measurements sailmakers need to quote a new suit.
I ?
55.00 ft
J ?
15.00 ft
P ?
48.00 ft
E ?
13.00 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 | 312.0 | 29.0 |
| 100% ForetriangleI × J ÷ 2 | 412.5 | 38.3 |
| 150% GenoaTypical light-air headsail | 618.8 | 57.5 |
| Storm Jib~50% of foretriangle, high-cut | 206.3 | 19.2 |
| Symmetric SpinnakerEstimated from I, J | 1,485.0 | 138.0 |
| Total Working Sail AreaMain + 100% foretriangle | 724.5 | 67.3 |
Foretriangle Diagram
Drawn to scale from published I, J, P, E measurements — Masthead Ketch · Charles Morgan design
Performance Ratios
How the Morgan Out Island 416 carries its sail relative to its displacement.
SA/D Ratio
15.7
Moderate — comfortable coastal cruiser, not overcanvassed.
Mast Height (above DWL)
60.0 ft
Clears the 65 ft ICW fixed-bridge standard at normal tide.
Ballast Ratio
33%
Typical cruising ballast — balanced stability underway.
Typical Sail Inventory
What Morgan Out Island 416 owners usually carry and what's worth buying used vs. new.
Mainsail 312.0 ft²
Dacron cross-cut with 2 reef points is standard. Full-batten is a common upgrade.
Replace new
150% Genoa 618.8 ft²
The workhorse headsail. Most boats have one on a furler by now.
Replace new
110% Working Jib ~454 ft²
Good secondary sail for breezy days — used market is strong.
Buy used
Storm Jib 206.3 ft²
Bright orange recommended. Rarely used, hard to justify new.
Buy used
Asymmetric Spinnaker ~1,485 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 Morgan Out Island 416 — Dacron, laminate, and cruising performance tiers.