Rigging Dimensions
The four foretriangle measurements sailmakers need to quote a new suit.
I ?
15.95 ft
J ?
15.33 ft
P ?
701.00 ft
E ?
120.00 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 | 42,060.0 | 3,907.5 |
| 100% ForetriangleI × J ÷ 2 | 122.3 | 11.4 |
| 150% GenoaTypical light-air headsail | 183.4 | 17.0 |
| Storm Jib~50% of foretriangle, high-cut | 61.1 | 5.7 |
| Symmetric SpinnakerEstimated from I, J | 440.1 | 40.9 |
| Total Working Sail AreaMain + 100% foretriangle | 42,182.3 | 3,918.9 |
Foretriangle Diagram
Drawn to scale from published I, J, P, E measurements — Masthead Sloop · Ted Brewer design
Performance Ratios
How the Oceanic 38 carries its sail relative to its displacement.
SA/D Ratio
—
Sail Area / Displacement ratio not published.
Mast Height (above DWL)
— ft
Air draft not published — measure yours before any bridge transit.
Ballast Ratio
37%
Typical cruising ballast — balanced stability underway.
Typical Sail Inventory
What Oceanic 38 owners usually carry and what's worth buying used vs. new.
Mainsail 42,060.0 ft²
Dacron cross-cut with 2 reef points is standard. Full-batten is a common upgrade.
Replace new
150% Genoa 183.4 ft²
The workhorse headsail. Most boats have one on a furler by now.
Replace new
110% Working Jib ~134 ft²
Good secondary sail for breezy days — used market is strong.
Buy used
Storm Jib 61.1 ft²
Bright orange recommended. Rarely used, hard to justify new.
Buy used
Asymmetric Spinnaker ~440 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 Oceanic 38 — Dacron, laminate, and cruising performance tiers.