Rigging Dimensions
The four foretriangle measurements sailmakers need to quote a new suit.
I ?
61.00 ft
J ?
22.50 ft
P ?
52.00 ft
E ?
16.30 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 | 423.8 | 39.4 |
| 100% ForetriangleI × J ÷ 2 | 686.3 | 63.8 |
| 150% GenoaTypical light-air headsail | 1,029.4 | 95.6 |
| Storm Jib~50% of foretriangle, high-cut | 343.1 | 31.9 |
| Symmetric SpinnakerEstimated from I, J | 2,470.5 | 229.5 |
| Total Working Sail AreaMain + 100% foretriangle | 1,110.1 | 103.1 |
Foretriangle Diagram
Drawn to scale from published I, J, P, E measurements — Masthead Sloop · William H. Tripp Jr. design
Performance Ratios
How the Columbia 52 carries its sail relative to its displacement.
SA/D Ratio
15.8
Moderate — comfortable coastal cruiser, not overcanvassed.
Mast Height (above DWL)
— ft
Air draft not published — measure yours before any bridge transit.
Ballast Ratio
50%
Race-oriented ballast ratio — stiff and powerful.
Typical Sail Inventory
What Columbia 52 owners usually carry and what's worth buying used vs. new.
Mainsail 423.8 ft²
Dacron cross-cut with 2 reef points is standard. Full-batten is a common upgrade.
Replace new
150% Genoa 1,029.4 ft²
The workhorse headsail. Most boats have one on a furler by now.
Replace new
110% Working Jib ~755 ft²
Good secondary sail for breezy days — used market is strong.
Buy used
Storm Jib 343.1 ft²
Bright orange recommended. Rarely used, hard to justify new.
Buy used
Asymmetric Spinnaker ~2,471 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 Columbia 52 — Dacron, laminate, and cruising performance tiers.