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Cape George 31
Designer: William Atkin  ·  Builder: Cecil Lange & Son  ·  First built: 1990
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About the Cape George 31

Designed as a traditional cruising sailboat with timeless appeal, this Pacific Northwest creation represents the thoughtful approach to yacht design that Cape George Marine Works became known for. The boat embodies the builder's philosophy of creating seaworthy vessels that prioritize comfort and reliability over pure performance. Built with a focus on coastal cruising and extended voyaging, the design features classic proportions that suggest good stability and sea-keeping abilities. The hull form appears optimized for comfortable passages rather than racing, making it well-suited for couples or small families seeking adventure in protected waters and beyond. Cape George Marine Works established a reputation for quality construction and attention to detail, and this model continues that tradition. The boat's design reflects the influence of Pacific Northwest sailing conditions, where dependable performance in varied weather patterns takes precedence over speed alone. While detailed specifications remain limited, the boat's proportions and the builder's established reputation suggest a well-balanced vessel capable of handling coastal cruising duties with confidence. For sailors prioritizing traditional sailing characteristics and proven seaworthiness over modern performance features, this design offers an appealing blend of classic aesthetics and practical functionality.

Core Dimensions
LOA (Length Overall) 31.00 ft / 9.45 m
LWL (Waterline Length) 27.50 ft / 8.38 m
Beam 9.58 ft / 2.92 m
Max Draft 4.50 ft / 1.37 m
Displacement 15,835.00 lb / 7,183 kg
Ballast 7,800.00 lb / 3,538 kg
Design & Construction
Hull Type Long keel w/trans. hung rudder
Rigging Type Cutter
Construction FG
Designer William Atkin
Builder Cecil Lange & Son
First Built 1990
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Performance Ratios
PHRF Rating PHRF (Performance Handicap Racing Fleet) is a national racing handicap measured in seconds per nautical mile. Lower values indicate faster boats. Ratings are sourced from US Sailing's national database (median across 60+ regional fleets).
Under 0 — Ultralight racer0–90 — Performance racer90–150 — Cruiser/racer150–210 — Typical cruiserOver 210 — Heavy/slow cruiser
218
Ballast/Displacement Ballast to Displacement ratio shows what percentage of the boat's total weight is ballast. Higher values generally mean better initial stability and stiffer sail carrying.
30–35% — Typical cruiser35–45% — Stiff performance boatOver 45% — Racing oriented
49.26
Displacement/Length Displacement to Length ratio measures how heavy a boat is relative to its waterline length. Lower values mean a lighter, faster boat.
Under 100 — Ultralight racer100–200 — Light cruiser/racer200–300 — Moderate cruiser300–400 — Heavy cruiserOver 400 — Very heavy
339.92
Pounds/Inch Immersion Pounds per Inch Immersion (PPI) tells you how much weight is needed to sink the boat one inch. Useful for calculating how additional gear and stores affect waterline. 5.65 pounds/inch
Rig Dimensions
I (Foretriangle Height) 16.15
P (Mainsail Luff) 634.00 ft² / 58.90 m²
E (Mainsail Foot) 339.92
How It Compares

vs. Bombay Clipper 31, Bristol 311, Island Packet 31, Offshore 31 Cheoy Lee, Rival 31

This boat Similar boats
Dimensions
LOA
Cape George 31 ★
31.0 ft
Bombay Clipper 31
31.0 ft
Bristol 311
31.0 ft
Island Packet 31
31.0 ft
Offshore 31 Cheoy Lee
31.0 ft
Rival 31
31.0 ft
LWL
Cape George 31 ★
27.5 ft
Bombay Clipper 31
25.6 ft
Bristol 311
24.8 ft
Island Packet 31
27.8 ft
Offshore 31 Cheoy Lee
23.3 ft
Rival 31
24.5 ft
Beam
Cape George 31 ★
9.6 ft
Bombay Clipper 31
11.0 ft
Bristol 311
10.2 ft
Island Packet 31
11.6 ft
Offshore 31 Cheoy Lee
8.8 ft
Rival 31
9.7 ft
Displacement
Cape George 31 ★
15 lbs
Bombay Clipper 31
10 lbs
Bristol 311
11 lbs
Island Packet 31
11 lbs
Offshore 31 Cheoy Lee
10 lbs
Rival 31
11 lbs
Ballast
Cape George 31 ★
7 lbs
Bombay Clipper 31
3 lbs
Bristol 311
4 lbs
Island Packet 31
4 lbs
Offshore 31 Cheoy Lee
3 lbs
Rival 31
4 lbs
Sail Area
Cape George 31 ★
Bombay Clipper 31
Bristol 311
455 sq ft
Island Packet 31
530 sq ft
Offshore 31 Cheoy Lee
403 sq ft
Rival 31
Performance
PHRF Rating (lower = faster)
Cape George 31 ★
218 s/nm
Bombay Clipper 31
234 s/nm
Bristol 311
Island Packet 31
186 s/nm
Offshore 31 Cheoy Lee
Rival 31
SA / Displacement (higher = more powerful)
Cape George 31 ★
Bombay Clipper 31
Bristol 311
14.6
Island Packet 31
17.2
Offshore 31 Cheoy Lee
13.3
Rival 31
Ballast / Disp (higher = stiffer)
Cape George 31 ★
49.3 %
Bombay Clipper 31
34.0 %
Bristol 311
40.2 %
Island Packet 31
40.9 %
Offshore 31 Cheoy Lee
35.5 %
Rival 31
40.0 %
Comfort Ratio (higher = more comfortable offshore)
Cape George 31 ★
Bombay Clipper 31
Bristol 311
29.6
Island Packet 31
22.6
Offshore 31 Cheoy Lee
35.9
Rival 31
31.9
Capsize Screening (lower = safer)
Cape George 31 ★
Bombay Clipper 31
Bristol 311
1.82
Island Packet 31
2.09
Offshore 31 Cheoy Lee
1.59
Rival 31
1.73
Displacement / Length (lower = lighter)
Cape George 31 ★
339
Bombay Clipper 31
266
Bristol 311
329
Island Packet 31
229
Offshore 31 Cheoy Lee
376
Rival 31
339
Hull Speed
Cape George 31 ★
Bombay Clipper 31
Bristol 311
6.7 kts
Island Packet 31
7.1 kts
Offshore 31 Cheoy Lee
6.5 kts
Rival 31
6.6 kts
Speed Number (higher = faster)
Cape George 31 ★
Bombay Clipper 31
Bristol 311
1.4
Island Packet 31
2.4
Offshore 31 Cheoy Lee
1.0
Rival 31
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