Rigging Dimensions
The four foretriangle measurements sailmakers need to quote a new suit.
I ?
27.50 ft
J ?
8.00 ft
P ?
23.80 ft
E ?
9.50 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 | 113.1 | 10.5 |
| 100% ForetriangleI × J ÷ 2 | 110.0 | 10.2 |
| 150% GenoaTypical light-air headsail | 165.0 | 15.3 |
| Storm Jib~50% of foretriangle, high-cut | 55.0 | 5.1 |
| Symmetric SpinnakerEstimated from I, J | 396.0 | 36.8 |
| Total Working Sail AreaMain + 100% foretriangle | 223.1 | 20.7 |
Foretriangle Diagram
Drawn to scale from published I, J, P, E measurements — Masthead Sloop · Henry Mohrschladt design
Performance Ratios
How the Pacific Seacraft 25 1 carries its sail relative to its displacement.
SA/D Ratio
13.4
Heavy and modestly canvassed — a comfortable cruiser, not fast.
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 Pacific Seacraft 25 1 owners usually carry and what's worth buying used vs. new.
Mainsail 113.1 ft²
Dacron cross-cut with 2 reef points is standard. Full-batten is a common upgrade.
Replace new
150% Genoa 165.0 ft²
The workhorse headsail. Most boats have one on a furler by now.
Replace new
110% Working Jib ~121 ft²
Good secondary sail for breezy days — used market is strong.
Buy used
Storm Jib 55.0 ft²
Bright orange recommended. Rarely used, hard to justify new.
Buy used
Asymmetric Spinnaker ~396 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 Pacific Seacraft 25 1 — Dacron, laminate, and cruising performance tiers.