1975 Columbia 34 Mk II vs Catalina 42 MkII — Comparison

1975 Columbia 34 Mk II
VS
Catalina 42 MkII

Specifications Side by Side

Specification1975 Columbia 34 Mk IICatalina 42 MkII
General
ManufacturerColumbiaCatalina
Year1975–19802003–2009
TypeSloopSloop
CountryUSAUSA
DesignerWilliam CrealockGerry Douglas
Dimensions
LOA10.36 m (34.0 ft)12.80 m (42.0 ft)
LWL8.23 m (27.0 ft)11.10 m (36.4 ft)
Beam3.05 m (10.0 ft)3.96 m (13.0 ft)
Draft1.52 m (5.0 ft)1.85 m (6.1 ft)
Weight
Displacement5,216 kg (11,499 lbs)9,525 kg (20,999 lbs)
Ballast2,177 kg (4,799 lbs)3,629 kg (8,001 lbs)
Sailing
Sail Area46.5 m² (501 ft²)76.0 m² (818 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine18 HP55 HP
Fuel Capacity76 L (20.1 gal)152 L (40.2 gal)
Water Capacity114 L (30.1 gal)303 L (80.0 gal)
Accommodation
Berths67
Cabins22

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1975 Columbia 34 Mk II
15.71
Catalina 42 MkII
17.18
Ballast Ratio (Higher = more stability)
1975 Columbia 34 Mk II
41.74
Catalina 42 MkII
38.10
Capsize Ratio (Lower = safer offshore)
1975 Columbia 34 Mk II
0.70
Catalina 42 MkII
0.75
Comfort Ratio (Higher = gentler motion)
1975 Columbia 34 Mk II
23.07
Catalina 42 MkII
17.36

Detailed Comparison

The 1975 Columbia 34 Mk II and Catalina 42 MkII represent two takes on sloop-rigged sailing. The 1975 Columbia 34 Mk II is a 1970s design by Columbia from USA, while the Catalina 42 MkII is a 2000s offering from Catalina from USA. The 1975 Columbia 34 Mk II was penned by William Crealock. The Catalina 42 MkII was designed by Gerry Douglas.

In terms of size, the 1975 Columbia 34 Mk II measures 10.36m (34.0ft) overall with a beam of 3.05m, compared to the Catalina 42 MkII at 12.80m (42.0ft) with a 3.96m beam. The Catalina 42 MkII is 2.44m longer than the 1975 Columbia 34 Mk II. The Catalina 42 MkII displaces approximately 83% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 1975 Columbia 34 Mk II has moderate sail power suitable for relaxed cruising with an SA/D ratio of 15.71 and 46.5 m² of sail area. The Catalina 42 MkII, with an SA/D of 17.18 and 76.0 m² of canvas, offers good sail power for versatile performance. The Catalina 42 MkII has the edge in terms of raw sailing performance.

For comfort and safety, the 1975 Columbia 34 Mk II offers a moderate motion comfort level (comfort ratio: 23.1) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.70). The Catalina 42 MkII has a comfort ratio of 17.4 and a capsize screening value of 0.75. The ballast ratios are 41.7% for the 1975 Columbia 34 Mk II and 38.1% for the Catalina 42 MkII, reflecting their respective approaches to stability.

Below deck, the 1975 Columbia 34 Mk II provides 6 berths in 2 cabins with 114L of water capacity and 76L of fuel. The Catalina 42 MkII offers 7 berths in 2 cabins with 303L water and 152L fuel capacity.

Verdict

For cruising: The 1975 Columbia 34 Mk II 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 42 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 42 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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Or view individual specs: 1975 Columbia 34 Mk II · Catalina 42 MkII