Rigging Dimensions
The four foretriangle measurements sailmakers need to quote a new suit.
I ?
22.97 ft
J ?
7.50 ft
P ?
— ft
E ?
3.42 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 | — | — |
| 100% ForetriangleI × J ÷ 2 | 86.1 | 8.0 |
| 150% GenoaTypical light-air headsail | 129.2 | 12.0 |
| Storm Jib~50% of foretriangle, high-cut | 43.1 | 4.0 |
| Symmetric SpinnakerEstimated from I, J | 310.1 | 28.8 |
| Total Working Sail AreaMain + 100% foretriangle | — | — |
Foretriangle Diagram
Scale diagram unavailable — I, J, P, and E measurements are not all published for the Grampian 22.
Performance Ratios
How the Grampian 22 carries its sail relative to its displacement.
SA/D Ratio
23.0
Performance-oriented — carries a lot of sail for its weight.
Mast Height (above DWL)
— ft
Air draft not published — measure yours before any bridge transit.
Ballast Ratio
52%
Race-oriented ballast ratio — stiff and powerful.
Typical Sail Inventory
What Grampian 22 owners usually carry and what's worth buying used vs. new.
Mainsail — ft²
Dacron cross-cut with 2 reef points is standard. Full-batten is a common upgrade.
Replace new
150% Genoa 129.2 ft²
The workhorse headsail. Most boats have one on a furler by now.
Replace new
110% Working Jib ~95 ft²
Good secondary sail for breezy days — used market is strong.
Buy used
Storm Jib 43.1 ft²
Bright orange recommended. Rarely used, hard to justify new.
Buy used
Asymmetric Spinnaker ~310 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 Grampian 22 — Dacron, laminate, and cruising performance tiers.