Catalina 34 MkII vs 1988 Najad 331 — Comparison

Catalina 34 MkII
VS
1988 Najad 331

Specifications Side by Side

SpecificationCatalina 34 MkII1988 Najad 331
General
ManufacturerCatalinaNajad
Year1995–20041988–1998
TypeSloopSloop
CountryUSASweden
DesignerGerry DouglasJudel/Vrolijk
Dimensions
LOA10.36 m (34.0 ft)10.06 m (33.0 ft)
LWL9.14 m (30.0 ft)8.38 m (27.5 ft)
Beam3.40 m (11.2 ft)3.18 m (10.4 ft)
Draft1.75 m (5.7 ft)1.65 m (5.4 ft)
Weight
Displacement5,443 kg (12,000 lbs)4,900 kg (10,803 lbs)
Ballast2,041 kg (4,500 lbs)2,000 kg (4,409 lbs)
Sailing
Sail Area52.0 m² (560 ft²)43.0 m² (463 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine21 HP21 HP
Fuel Capacity76 L (20.1 gal)80 L (21.1 gal)
Water Capacity151 L (39.9 gal)140 L (37.0 gal)
Accommodation
Berths65
Cabins22

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
Catalina 34 MkII
17.08
1988 Najad 331
15.15
Ballast Ratio (Higher = more stability)
Catalina 34 MkII
37.50
1988 Najad 331
40.82
Capsize Ratio (Lower = safer offshore)
Catalina 34 MkII
0.77
1988 Najad 331
0.75
Comfort Ratio (Higher = gentler motion)
Catalina 34 MkII
18.13
1988 Najad 331
20.43

Detailed Comparison

The Catalina 34 MkII and 1988 Najad 331 represent two takes on sloop-rigged sailing. The Catalina 34 MkII is a 1990s design by Catalina from USA, while the 1988 Najad 331 is a 1980s offering from Najad from Sweden. The Catalina 34 MkII was penned by Gerry Douglas. The 1988 Najad 331 was designed by Judel/Vrolijk.

In terms of size, the Catalina 34 MkII measures 10.36m (34.0ft) overall with a beam of 3.40m, compared to the 1988 Najad 331 at 10.06m (33.0ft) with a 3.18m beam. The Catalina 34 MkII is 0.30m longer than the 1988 Najad 331. The Catalina 34 MkII displaces approximately 11% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the Catalina 34 MkII has good sail power for versatile performance with an SA/D ratio of 17.08 and 52.0 m² of sail area. The 1988 Najad 331, with an SA/D of 15.15 and 43.0 m² of canvas, offers moderate sail power suitable for relaxed cruising. The Catalina 34 MkII has the edge in terms of raw sailing performance.

For comfort and safety, the Catalina 34 MkII offers a firm, racing-oriented motion (comfort ratio: 18.1) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.77). The 1988 Najad 331 has a comfort ratio of 20.4 and a capsize screening value of 0.75. The ballast ratios are 37.5% for the Catalina 34 MkII and 40.8% for the 1988 Najad 331, reflecting their respective approaches to stability.

Below deck, the Catalina 34 MkII provides 6 berths in 2 cabins with 151L of water capacity and 76L of fuel. The 1988 Najad 331 offers 5 berths in 2 cabins with 140L water and 80L fuel capacity.

Verdict

For cruising: The 1988 Najad 331 is the better choice for comfortable cruising thanks to its higher comfort ratio, offering a gentler motion at sea that crews will appreciate on longer passages.

For racing: The Catalina 34 MkII has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.

For liveaboard: The Catalina 34 MkII offers more sleeping accommodation, making it better suited for extended living aboard. Consider water and fuel capacity for extended stays away from marinas.

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