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Alo 33

Designer: Jan Bjerke/Alf Ortang  ·  Builder: Alo Yachts (Nor)  ·  First built: 1975
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About the Alo 33

Designed as a versatile coastal cruiser, this 33-foot sailboat represents the practical European approach to recreational sailing. With limited detailed specifications publicly available, the Alo 33 appears to prioritize seaworthiness and comfortable cruising over racing performance. The design philosophy behind this sailboat emphasizes reliability and ease of handling, making it well-suited for weekend coastal adventures and extended cruising along protected waters. The moderate displacement hull form suggests good stability and predictable sailing characteristics, while the proportions indicate a focus on interior volume and comfort rather than maximum speed. Built during an era when European boatbuilders were refining their approach to production cruising sailboats, the Alo 33 likely features robust construction methods typical of boats intended for varied weather conditions. The size makes it manageable for couples or small families while providing enough space for extended periods aboard. This sailboat would appeal to sailors seeking a dependable platform for coastal exploration, particularly those who value traditional sailing qualities over cutting-edge performance. While detailed performance data remains scarce, the fundamental design suggests a boat that prioritizes safety, comfort, and sailing enjoyment over competitive speed.

Core Dimensions
LOA (Length Overall) 32.74 ft / 9.98 m
LWL (Waterline Length) 24.61 ft / 7.50 m
Beam 10.20 ft / 3.11 m
Max Draft 5.58 ft / 1.70 m
Displacement 10,803.00 lb / 4,900 kg
Ballast 4,189.00 lb / 1,900 kg
Ballast Type Iron
Design & Construction
Hull Type Fin with rudder on skeg
Rigging Type Masthead Sloop
Construction FG
Designer Jan Bjerke/Alf Ortang
Builder Alo Yachts (NOR)
First Built 1975
Last Built 1980
Number Built 45
Related Sailboats Cs 33 · Centurion 32 · Contention 33 Peterson · Cal 33 · Tanzer 10
Owner Reviews

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Performance Ratios
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
38.78
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
323.56
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. 5.38 pounds/inch
Rig Dimensions
I (Foretriangle Height) 15.08
J (Foretriangle Base) 11.42 ft / 3.48 m
P (Mainsail Luff) 459.00 ft² / 42.64 m²
E (Mainsail Foot) Volvo Penta
Engine & Accommodations
Horsepower 25
Fuel Capacity 24 gals / 91 L
Water Capacity 32 gals / 121 L
How It Compares

vs. Cal 33, Centurion 32, Contention 33 Peterson, Cs 33, Tanzer 10

This boat Similar boats
Dimensions
LOA
Alo 33 ★
32.7 ft
Cal 33
32.7 ft
Centurion 32
32.8 ft
Contention 33 Peterson
32.8 ft
Cs 33
32.7 ft
Tanzer 10
32.7 ft
LWL
Alo 33 ★
24.6 ft
Cal 33
27.5 ft
Centurion 32
24.0 ft
Contention 33 Peterson
28.5 ft
Cs 33
26.4 ft
Tanzer 10
27.5 ft
Beam
Alo 33 ★
10.2 ft
Cal 33
10.3 ft
Centurion 32
9.8 ft
Contention 33 Peterson
10.4 ft
Cs 33
10.7 ft
Tanzer 10
11.9 ft
Displacement
Alo 33 ★
10 lbs
Cal 33
10 lbs
Centurion 32
9 lbs
Contention 33 Peterson
9 lbs
Cs 33
10 lbs
Tanzer 10
13 lbs
Ballast
Alo 33 ★
4 lbs
Cal 33
4 lbs
Centurion 32
4 lbs
Contention 33 Peterson
4 lbs
Cs 33
4 lbs
Tanzer 10
5 lbs
Sail Area
Alo 33 ★
Cal 33
536 sq ft
Centurion 32
444 sq ft
Contention 33 Peterson
490 sq ft
Cs 33
503 sq ft
Tanzer 10
379 sq ft
Performance
PHRF Rating (lower = faster)
Alo 33 ★
Cal 33
144 s/nm
Centurion 32
180 s/nm
Contention 33 Peterson
Cs 33
150 s/nm
Tanzer 10
156 s/nm
SA / Displacement (higher = more powerful)
Alo 33 ★
Cal 33
17.6
Centurion 32
15.8
Contention 33 Peterson
17.8
Cs 33
17.4
Tanzer 10
11.0
Ballast / Disp (higher = stiffer)
Alo 33 ★
38.8 %
Cal 33
Centurion 32
45.9 %
Contention 33 Peterson
Cs 33
42.5 %
Tanzer 10
Comfort Ratio (higher = more comfortable offshore)
Alo 33 ★
Cal 33
25.6
Centurion 32
26.8
Contention 33 Peterson
21.4
Cs 33
23.3
Tanzer 10
25.7
Capsize Screening (lower = safer)
Alo 33 ★
Cal 33
1.87
Centurion 32
1.84
Contention 33 Peterson
1.98
Cs 33
1.98
Tanzer 10
2.02
Displacement / Length (lower = lighter)
Alo 33 ★
323
Cal 33
Centurion 32
310
Contention 33 Peterson
Cs 33
242
Tanzer 10
Hull Speed
Alo 33 ★
Cal 33
7.0 kts
Centurion 32
6.6 kts
Contention 33 Peterson
7.2 kts
Cs 33
6.9 kts
Tanzer 10
7.0 kts
Speed Number (higher = faster)
Alo 33 ★
Cal 33
2.4
Centurion 32
1.6
Contention 33 Peterson
3.1
Cs 33
2.3
Tanzer 10
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