1975 Columbia 34 Mk II vs 1975 Ericson 25+ — Comparison

1975 Columbia 34 Mk II
VS
1975 Ericson 25+

Specifications Side by Side

Specification1975 Columbia 34 Mk II1975 Ericson 25+
General
ManufacturerColumbiaEricson
Year1975–19801975–1982
TypeSloopSloop
CountryUSAUSA
DesignerWilliam CrealockBruce King
Dimensions
LOA10.36 m (34.0 ft)7.62 m (25.0 ft)
LWL8.23 m (27.0 ft)6.25 m (20.5 ft)
Beam3.05 m (10.0 ft)2.44 m (8.0 ft)
Draft1.52 m (5.0 ft)1.22 m (4.0 ft)
Weight
Displacement5,216 kg (11,499 lbs)1,905 kg (4,200 lbs)
Ballast2,177 kg (4,799 lbs)726 kg (1,601 lbs)
Sailing
Sail Area46.5 m² (501 ft²)25.0 m² (269 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine18 HP7 HP
Fuel Capacity76 L (20.1 gal)23 L (6.1 gal)
Water Capacity114 L (30.1 gal)45 L (11.9 gal)
Accommodation
Berths64
Cabins21

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1975 Columbia 34 Mk II
15.71
1975 Ericson 25+
16.54
Ballast Ratio (Higher = more stability)
1975 Columbia 34 Mk II
41.74
1975 Ericson 25+
38.11
Capsize Ratio (Lower = safer offshore)
1975 Columbia 34 Mk II
0.70
1975 Ericson 25+
0.79
Comfort Ratio (Higher = gentler motion)
1975 Columbia 34 Mk II
23.07
1975 Ericson 25+
20.11

Detailed Comparison

The 1975 Columbia 34 Mk II and 1975 Ericson 25+ represent two takes on sloop-rigged sailing. The 1975 Columbia 34 Mk II is a 1970s design by Columbia from USA, while the 1975 Ericson 25+ is a 1970s offering from Ericson from USA. The 1975 Columbia 34 Mk II was penned by William Crealock. The 1975 Ericson 25+ was designed by Bruce King.

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 1975 Ericson 25+ at 7.62m (25.0ft) with a 2.44m beam. The 1975 Columbia 34 Mk II is 2.74m longer than the 1975 Ericson 25+. The 1975 Columbia 34 Mk II displaces approximately 174% 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 1975 Ericson 25+, with an SA/D of 16.54 and 25.0 m² of canvas, offers moderate sail power suitable for relaxed cruising. The 1975 Ericson 25+ 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 1975 Ericson 25+ has a comfort ratio of 20.1 and a capsize screening value of 0.79. The ballast ratios are 41.7% for the 1975 Columbia 34 Mk II and 38.1% for the 1975 Ericson 25+, 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 1975 Ericson 25+ offers 4 berths in 1 cabin with 45L water and 23L 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 1975 Ericson 25+ has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.

For liveaboard: The 1975 Columbia 34 Mk II 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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