1970 Bristol 32 vs Catalina 34 MkII — Comparison

1970 Bristol 321970 Bristol 32
VS
Catalina 34 MkII

Specifications Side by Side

Specification1970 Bristol 32Catalina 34 MkII
General
ManufacturerBristolCatalina
Year1970–19771995–2004
TypeSloopSloop
CountryUSAUSA
DesignerHalsey HerreshoffGerry Douglas
Dimensions
LOA9.75 m (32.0 ft)10.36 m (34.0 ft)
LWL7.16 m (23.5 ft)9.14 m (30.0 ft)
Beam2.97 m (9.7 ft)3.40 m (11.2 ft)
Draft1.52 m (5.0 ft)1.75 m (5.7 ft)
Weight
Displacement4,536 kg (10,000 lbs)5,443 kg (12,000 lbs)
Ballast1,905 kg (4,200 lbs)2,041 kg (4,500 lbs)
Sailing
Sail Area40.2 m² (433 ft²)52.0 m² (560 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFullFin
Engine & Tanks
Engine15 HP21 HP
Fuel Capacity57 L (15.1 gal)76 L (20.1 gal)
Water Capacity76 L (20.1 gal)151 L (39.9 gal)
Accommodation
Berths56
Cabins12

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1970 Bristol 32
14.91
Catalina 34 MkII
17.08
Ballast Ratio (Higher = more stability)
1970 Bristol 32
42.00
Catalina 34 MkII
37.50
Capsize Ratio (Lower = safer offshore)
1970 Bristol 32
0.72
Catalina 34 MkII
0.77
Comfort Ratio (Higher = gentler motion)
1970 Bristol 32
25.96
Catalina 34 MkII
18.13

Detailed Comparison

The 1970 Bristol 32 and Catalina 34 MkII represent two takes on sloop-rigged sailing. The 1970 Bristol 32 is a 1970s design by Bristol from USA, while the Catalina 34 MkII is a 1990s offering from Catalina from USA. The 1970 Bristol 32 was penned by Halsey Herreshoff. The Catalina 34 MkII was designed by Gerry Douglas.

In terms of size, the 1970 Bristol 32 measures 9.75m (32.0ft) overall with a beam of 2.97m, compared to the Catalina 34 MkII at 10.36m (34.0ft) with a 3.40m beam. The Catalina 34 MkII is 0.61m longer than the 1970 Bristol 32. The Catalina 34 MkII displaces approximately 20% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 1970 Bristol 32 has modest sail power for its displacement with an SA/D ratio of 14.91 and 40.2 m² of sail area. The Catalina 34 MkII, with an SA/D of 17.08 and 52.0 m² of canvas, offers good sail power for versatile performance. The Catalina 34 MkII has the edge in terms of raw sailing performance.

For comfort and safety, the 1970 Bristol 32 offers a moderate motion comfort level (comfort ratio: 26.0) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.72). The Catalina 34 MkII has a comfort ratio of 18.1 and a capsize screening value of 0.77. The ballast ratios are 42.0% for the 1970 Bristol 32 and 37.5% for the Catalina 34 MkII, reflecting their respective approaches to stability.

Below deck, the 1970 Bristol 32 provides 5 berths in 1 cabin with 76L of water capacity and 57L of fuel. The Catalina 34 MkII offers 6 berths in 2 cabins with 151L water and 76L fuel capacity.

Verdict

For cruising: The 1970 Bristol 32 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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