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Carter 37 1 Ton
Designer: Dick Carter  ·  Builder: Olympic Yachts  ·  First built: 1973
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About the Carter 37 1 Ton

Originally designed to compete under the International Offshore Rule's One Ton rating, this Carter 37 represents a compelling blend of racing pedigree and practical sailing capabilities. The IOR One Ton class produced some of the most influential yacht designs of the 1970s and early 1980s, creating boats that could perform competitively on the race course while remaining suitable for serious cruising. Carter Marine's approach to this design emphasizes seaworthiness and versatility, making it well-suited for coastal cruising and offshore passages. The hull form balances the speed potential demanded by its racing heritage with the stability and comfort expected by cruising sailors. This dual nature means owners can enjoy spirited sailing performance without sacrificing the boat's capability for extended voyages. The design exhibits typical characteristics of the IOR era, with a focus on sailing efficiency and structural integrity. While primarily intended for experienced sailors who appreciate both performance and traditional sailing qualities, the Carter 37 1 Ton appeals to those seeking a boat that can handle serious offshore work while maintaining competitive speed potential. Its reputation among enthusiasts reflects the enduring appeal of well-executed IOR designs.

Core Dimensions
LOA (Length Overall) 37.00 ft / 11.28 m
LWL (Waterline Length) 28.42 ft / 8.66 m
Beam 11.92 ft / 3.63 m
Max Draft 6.33 ft / 1.93 m
Displacement 15,300.00 lb / 6,940 kg
Ballast 6,283.00 lb / 2,850 kg
Sail Area (Reported) 630.00 ft² / 58.53 m²
Design & Construction
Hull Type Fin with rudder on skeg
Rigging Type Masthead Sloop
Construction FG
Designer Dick Carter
Builder Olympic Yachts
First Built 1973
Related Sailboats Irwin 37 1 Ton · Irwin 37 Competition · Soverel 37 · C&C 37 · Baltic 37
Owner Reviews

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Performance Ratios
SA/Displacement Sail Area to Displacement ratio measures how much sail power a boat has relative to its weight. Higher values mean more performance and speed.
Under 14 — Heavy cruiser, slow14–18 — Cruising sailboat18–22 — Cruiser/racerOver 22 — Performance racer
 16.42
Comfort Ratio Ted Brewer's Comfort Ratio predicts how comfortable a boat will feel in offshore conditions. Higher values mean a steadier, more comfortable motion in a seaway.
Under 20 — Uncomfortably rough20–30 — Acceptable coastal30–40 — Good offshore comfortOver 40 — Very comfortable offshore
 28.12
Capsize Screening Formula The USHS Capsize Screening Formula estimates offshore capsize risk. Lower is safer — values under 2.0 are considered acceptable for offshore sailing.
Under 2.0 — Safe for offshore2.0–2.2 — Borderline offshoreOver 2.2 — Coastal use recommended
 1.92
Hull Speed Hull Speed is the theoretical maximum speed of a displacement hull, calculated from waterline length. Most cruising sailboats reach this speed in moderate conditions. 7.14
S# (Speed Number) The Speed Number (S#) is a quick performance index. Higher values indicate a faster, more powerful design relative to its size.
Under 3.0 — Slow cruiser3.0–5.0 — Average cruiser5.0–7.0 — Performance cruiserOver 7.0 — Racer
 1.72
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. 1.0
Rig Dimensions
I (Foretriangle Height) 48.0
J (Foretriangle Base) 16.0
P (Mainsail Luff) 42.5
E (Mainsail Foot) 11.6
SA Fore 384.0
SA Main 246.5
How It Compares

vs. Baltic 37, C&C 37, Irwin 37 1 Ton, Irwin 37 Competition, Soverel 37

This boat Similar boats
Dimensions
LOA
Carter 37 1 Ton ★
37.0 ft
Baltic 37
37.0 ft
C&C 37
—
Irwin 37 1 Ton
37.0 ft
Irwin 37 Competition
37.0 ft
Soverel 37
37.0 ft
LWL
Carter 37 1 Ton ★
28.4 ft
Baltic 37
27.3 ft
C&C 37
—
Irwin 37 1 Ton
30.0 ft
Irwin 37 Competition
30.0 ft
Soverel 37
31.0 ft
Beam
Carter 37 1 Ton ★
11.9 ft
Baltic 37
12.0 ft
C&C 37
—
Irwin 37 1 Ton
11.7 ft
Irwin 37 Competition
11.7 ft
Soverel 37
9.3 ft
Displacement
Carter 37 1 Ton ★
15 lbs
Baltic 37
13 lbs
C&C 37
—
Irwin 37 1 Ton
15 lbs
Irwin 37 Competition
15 lbs
Soverel 37
12 lbs
Ballast
Carter 37 1 Ton ★
6 lbs
Baltic 37
6 lbs
C&C 37
—
Irwin 37 1 Ton
7 lbs
Irwin 37 Competition
7 lbs
Soverel 37
4 lbs
Sail Area
Carter 37 1 Ton ★
630 sq ft
Baltic 37
640 sq ft
C&C 37
—
Irwin 37 1 Ton
628 sq ft
Irwin 37 Competition
628 sq ft
Soverel 37
—
Performance
PHRF Rating (lower = faster)
Carter 37 1 Ton ★
—
Baltic 37
114 s/nm
C&C 37
60 s/nm
Irwin 37 1 Ton
—
Irwin 37 Competition
—
Soverel 37
168 s/nm
SA / Displacement (higher = more powerful)
Carter 37 1 Ton ★
16.4
Baltic 37
18.0
C&C 37
—
Irwin 37 1 Ton
16.3
Irwin 37 Competition
16.2
Soverel 37
—
Ballast / Disp (higher = stiffer)
Carter 37 1 Ton ★
—
Baltic 37
45.0 %
C&C 37
—
Irwin 37 1 Ton
47.4 %
Irwin 37 Competition
48.4 %
Soverel 37
33.3 %
Comfort Ratio (higher = more comfortable offshore)
Carter 37 1 Ton ★
28.1
Baltic 37
25.5
C&C 37
—
Irwin 37 1 Ton
28.1
Irwin 37 Competition
28.3
Soverel 37
—
Capsize Screening (lower = safer)
Carter 37 1 Ton ★
1.92
Baltic 37
2.01
C&C 37
—
Irwin 37 1 Ton
1.88
Irwin 37 Competition
1.88
Soverel 37
—
Displacement / Length (lower = lighter)
Carter 37 1 Ton ★
—
Baltic 37
300
C&C 37
—
Irwin 37 1 Ton
254
Irwin 37 Competition
256
Soverel 37
179
Hull Speed
Carter 37 1 Ton ★
7.1 kts
Baltic 37
7.0 kts
C&C 37
—
Irwin 37 1 Ton
7.3 kts
Irwin 37 Competition
7.3 kts
Soverel 37
—
Speed Number (higher = faster)
Carter 37 1 Ton ★
1.7
Baltic 37
1.8
C&C 37
—
Irwin 37 1 Ton
2.1
Irwin 37 Competition
2.0
Soverel 37
—
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