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Sail Specifications

Crown 34 Sails

Rigging dimensions, sail areas, and replacement sail reference for the Crown 34 (Hein Driehuyzen design).

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Rigging Dimensions

The four foretriangle measurements sailmakers need to quote a new suit.

I ?
18.55 ft
J ?
14.80 ft
P ?
554.00 ft
E ?
ft

Sail Area Breakdown

Calculated from rigging dimensions. Use these as your starting point when ordering a new suit.

SailArea (ft²)Area (m²)
MainsailP × E ÷ 2
100% ForetriangleI × J ÷ 2 137.3 12.8
150% GenoaTypical light-air headsail 205.9 19.1
Storm Jib~50% of foretriangle, high-cut 68.6 6.4
Symmetric SpinnakerEstimated from I, J 494.2 45.9
Total Working Sail AreaMain + 100% foretriangle

Foretriangle Diagram

Scale diagram unavailable — I, J, P, and E measurements are not all published for the Crown 34.

Performance Ratios

How the Crown 34 carries its sail relative to its displacement.

SA/D Ratio
18.6
Powerful cruiser/racer — quick in light air, reef early in a blow.
Mast Height (above DWL)
ft
Air draft not published — measure yours before any bridge transit.
Ballast Ratio
46%
Race-oriented ballast ratio — stiff and powerful.

Typical Sail Inventory

What Crown 34 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 205.9 ft²
The workhorse headsail. Most boats have one on a furler by now.
Replace new
110% Working Jib ~151 ft²
Good secondary sail for breezy days — used market is strong.
Buy used
Storm Jib 68.6 ft²
Bright orange recommended. Rarely used, hard to justify new.
Buy used
Asymmetric Spinnaker ~494 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 Crown 34 — Dacron, laminate, and cruising performance tiers.

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