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Pj 30 12 Ton
Designer: Sparkman & Stephens  ·  Builder: Hughes Boatworks Ltd.  ·  First built: 1973
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About the Pj 30 12 Ton

A product of Swedish yacht design, the PJ 30 12 Ton is a mid-sized sailboat that reflects the practical Scandinavian approach to cruising — blending seaworthiness with comfortable liveability. Designed for sailors who want a capable and manageable vessel, this boat is well suited to coastal cruising and offshore passages, offering a solid platform for both weekend adventures and extended voyages. With limited specification data widely available, much of what defines the PJ 30 12 Ton is its reputation as a sturdy, no-nonsense cruiser built to handle the demanding conditions of northern European waters. Boats in this class tend to prioritize stability and reliable performance over outright speed, making them a sound choice for sailors who value confidence at sea above racing credentials. For those researching a purchase, the PJ 30 12 Ton represents a practical entry into bluewater-capable sailing without the complexity of a larger vessel. Its manageable size means it can be handled by a small crew or even a competent couple, and its heritage suggests a boat built with longevity and genuine sailing utility in mind.

Core Dimensions
LOA (Length Overall) 29.92 ft / 9.12 m
LWL (Waterline Length) 22.67 ft / 6.91 m
Beam 9.50 ft / 2.90 m
Max Draft 5.30 ft / 1.62 m
Displacement 8,000.00 lb / 3,629 kg
Ballast 3,710.00 lb / 1,683 kg
Sail Area (Reported) 399.00 ft² / 37.07 m²
Design & Construction
Hull Type Fin with rudder on skeg
Rigging Type Masthead Sloop
Construction FG
Designer Sparkman & Stephens
Builder Hughes Boatworks Ltd.
First Built 1973
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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
16.01
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
24.81
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
1.9
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. 6.38
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
1.62
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. 769.52
Rig Dimensions
I (Foretriangle Height) 38.0
J (Foretriangle Base) 12.5
P (Mainsail Luff) 34.0
E (Mainsail Foot) 9.5
SA Fore 237.5
SA Main 161.5
How It Compares

vs. Catalina 30, Ericson 30, North Star 1000, Sabre 30 1, Tartan 30

This boat Similar boats
Dimensions
LOA
Pj 30 12 Ton ★
29.9 ft
Catalina 30
29.9 ft
Ericson 30
29.9 ft
North Star 1000
29.9 ft
Sabre 30 1
29.9 ft
Tartan 30
29.9 ft
LWL
Pj 30 12 Ton ★
22.7 ft
Catalina 30
25.0 ft
Ericson 30
25.3 ft
North Star 1000
22.7 ft
Sabre 30 1
24.0 ft
Tartan 30
24.3 ft
Beam
Pj 30 12 Ton ★
9.5 ft
Catalina 30
10.8 ft
Ericson 30
10.5 ft
North Star 1000
9.5 ft
Sabre 30 1
10.0 ft
Tartan 30
10.0 ft
Displacement
Pj 30 12 Ton ★
8 lbs
Catalina 30
10 lbs
Ericson 30
9 lbs
North Star 1000
8 lbs
Sabre 30 1
8 lbs
Tartan 30
8 lbs
Ballast
Pj 30 12 Ton ★
3 lbs
Catalina 30
4 lbs
Ericson 30
4 lbs
North Star 1000
3 lbs
Sabre 30 1
3 lbs
Tartan 30
3 lbs
Sail Area
Pj 30 12 Ton ★
399 sq ft
Catalina 30
446 sq ft
Ericson 30
470 sq ft
North Star 1000
Sabre 30 1
431 sq ft
Tartan 30
449 sq ft
Performance
PHRF Rating (lower = faster)
Pj 30 12 Ton ★
Catalina 30
180 s/nm
Ericson 30
168 s/nm
North Star 1000
195 s/nm
Sabre 30 1
165 s/nm
Tartan 30
171 s/nm
SA / Displacement (higher = more powerful)
Pj 30 12 Ton ★
16.0
Catalina 30
15.2
Ericson 30
17.4
North Star 1000
Sabre 30 1
16.5
Tartan 30
17.0
Ballast / Disp (higher = stiffer)
Pj 30 12 Ton ★
Catalina 30
41.2 %
Ericson 30
North Star 1000
46.4 %
Sabre 30 1
Tartan 30
41.1 %
Comfort Ratio (higher = more comfortable offshore)
Pj 30 12 Ton ★
24.8
Catalina 30
24.9
Ericson 30
22.7
North Star 1000
Sabre 30 1
24.0
Tartan 30
24.3
Capsize Screening (lower = safer)
Pj 30 12 Ton ★
1.90
Catalina 30
2.00
Ericson 30
2.02
North Star 1000
Sabre 30 1
1.96
Tartan 30
1.94
Displacement / Length (lower = lighter)
Pj 30 12 Ton ★
Catalina 30
291
Ericson 30
North Star 1000
306
Sabre 30 1
Tartan 30
273
Hull Speed
Pj 30 12 Ton ★
6.4 kts
Catalina 30
6.7 kts
Ericson 30
6.7 kts
North Star 1000
Sabre 30 1
6.6 kts
Tartan 30
6.6 kts
Speed Number (higher = faster)
Pj 30 12 Ton ★
1.6
Catalina 30
1.6
Ericson 30
2.2
North Star 1000
Sabre 30 1
1.9
Tartan 30
2.0
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