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Columbia 29

Designer: Sparkman & Stephens  ·  Builder: Columbia Yachts (Usa)  ·  First built: 1961
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About the Columbia 29

Designed by the legendary Sparkman & Stephens firm and built by Columbia Yachts from 1961 to 1965, this classic 28.5-foot sloop represents mid-century American yacht design at its finest. The Columbia 29 features the traditional long keel configuration that was hallmark of the era, providing exceptional directional stability and a forgiving sailing character that appeals to both novice and experienced sailors. With a displacement of 7,400 pounds and 3,120 pounds of ballast, this solidly built fiberglass yacht offers reassuring stability and seaworthiness for coastal cruising and extended passages. The masthead sloop rig with 388 square feet of sail area provides adequate power while remaining manageable for a small crew. Her comfort ratio of 29.49 indicates excellent motion characteristics in a seaway, while the conservative capsize screening formula of 1.64 reflects her inherent safety margins. The long keel design, while sacrificing some maneuverability in tight quarters, delivers predictable handling and the ability to track straight for hours without constant helm attention. This makes the Columbia 29 particularly well-suited for coastal cruising and short-handed sailing, where her forgiving nature and solid construction inspire confidence in varied conditions.

Core Dimensions
LOA (Length Overall) 28.50 ft / 8.69 m
LWL (Waterline Length) 22.50 ft / 6.86 m
Beam 8.00 ft / 2.44 m
Max Draft 4.00 ft / 1.22 m
Displacement 7,400.00 lb / 3,357 kg
Ballast 3,120.00 lb / 1,415 kg
Sail Area (Reported) 388.00 ft² / 36.05 m²
Design & Construction
Hull Type Long Keel
Rigging Type Masthead Sloop
Construction FG (solid laminate)
Designer Sparkman & Stephens
Builder Columbia Yachts (USA)
First Built 1961
Last Built 1965
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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
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
16.4
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
42.16
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
290.03
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
29.49
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
1.64
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. 6.36 kn
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
1.77
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. 643.16 pounds/inch
SA/Displacement (Calc) Calculated Sail Area to Displacement ratio using actual measured sail dimensions rather than reported values. More precise than the reported SA/Disp figure. 16.37
Rig Dimensions
I (Foretriangle Height) 34.50 ft / 10.52 m
J (Foretriangle Base) 10.42 ft / 3.18 m
P (Mainsail Luff) 30.00 ft / 9.14 m
E (Mainsail Foot) 13.83 ft / 4.22 m
SA Fore 179.75 ft² / 16.70 m²
SA Main 207.45 ft² / 19.27 m²
SA Total (100%) 387.20 ft² / 35.97 m²
Est. Forestay Length 36.04 ft / 10.98 m
Engine & Accommodations
Engine Make Universal
Engine Model Atomic 4
Engine Type Gas
Water Capacity 25 gals / 95 L
How It Compares

vs. Columbia 29 Defender, Columbia 29 Mkii, Irwin 28 Mk Iii, Pearson 28 2, Rhodes Ranger 29

This boat Similar boats
Dimensions
LOA
Columbia 29 ★
28.5 ft
Columbia 29 Defender
28.5 ft
Columbia 29 Mkii
28.5 ft
Irwin 28 Mk Iii
28.5 ft
Pearson 28 2
28.5 ft
Rhodes Ranger 29
28.5 ft
LWL
Columbia 29 ★
22.5 ft
Columbia 29 Defender
22.5 ft
Columbia 29 Mkii
22.5 ft
Irwin 28 Mk Iii
23.0 ft
Pearson 28 2
24.4 ft
Rhodes Ranger 29
20.0 ft
Beam
Columbia 29 ★
8.0 ft
Columbia 29 Defender
8.0 ft
Columbia 29 Mkii
8.0 ft
Irwin 28 Mk Iii
9.0 ft
Pearson 28 2
9.8 ft
Rhodes Ranger 29
8.0 ft
Displacement
Columbia 29 ★
7 lbs
Columbia 29 Defender
8 lbs
Columbia 29 Mkii
8 lbs
Irwin 28 Mk Iii
7 lbs
Pearson 28 2
7 lbs
Rhodes Ranger 29
7 lbs
Ballast
Columbia 29 ★
3 lbs
Columbia 29 Defender
4 lbs
Columbia 29 Mkii
4 lbs
Irwin 28 Mk Iii
3 lbs
Pearson 28 2
2 lbs
Rhodes Ranger 29
2 lbs
Sail Area
Columbia 29 ★
388 sq ft
Columbia 29 Defender
Columbia 29 Mkii
Irwin 28 Mk Iii
377 sq ft
Pearson 28 2
384 sq ft
Rhodes Ranger 29
328 sq ft
Performance
PHRF Rating (lower = faster)
Columbia 29 ★
218 s/nm
Columbia 29 Defender
Columbia 29 Mkii
Irwin 28 Mk Iii
Pearson 28 2
192 s/nm
Rhodes Ranger 29
239 s/nm
SA / Displacement (higher = more powerful)
Columbia 29 ★
16.4
Columbia 29 Defender
Columbia 29 Mkii
Irwin 28 Mk Iii
15.4
Pearson 28 2
16.8
Rhodes Ranger 29
13.2
Ballast / Disp (higher = stiffer)
Columbia 29 ★
42.2 %
Columbia 29 Defender
49.1 %
Columbia 29 Mkii
48.8 %
Irwin 28 Mk Iii
38.5 %
Pearson 28 2
36.4 %
Rhodes Ranger 29
Comfort Ratio (higher = more comfortable offshore)
Columbia 29 ★
29.5
Columbia 29 Defender
Columbia 29 Mkii
Irwin 28 Mk Iii
26.2
Pearson 28 2
20.1
Rhodes Ranger 29
34.2
Capsize Screening (lower = safer)
Columbia 29 ★
1.64
Columbia 29 Defender
Columbia 29 Mkii
Irwin 28 Mk Iii
1.82
Pearson 28 2
2.06
Rhodes Ranger 29
1.60
Displacement / Length (lower = lighter)
Columbia 29 ★
290
Columbia 29 Defender
329
Columbia 29 Mkii
329
Irwin 28 Mk Iii
286
Pearson 28 2
215
Rhodes Ranger 29
Hull Speed
Columbia 29 ★
6.4 kts
Columbia 29 Defender
Columbia 29 Mkii
Irwin 28 Mk Iii
6.4 kts
Pearson 28 2
6.6 kts
Rhodes Ranger 29
6.0 kts
Speed Number (higher = faster)
Columbia 29 ★
1.8
Columbia 29 Defender
Columbia 29 Mkii
Irwin 28 Mk Iii
1.7
Pearson 28 2
2.5
Rhodes Ranger 29
0.8
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