1975 Columbia 34 Mk II vs 2000 Najad 355 — Comparison

1975 Columbia 34 Mk II
VS
2000 Najad 355

Specifications Side by Side

Specification1975 Columbia 34 Mk II2000 Najad 355
General
ManufacturerColumbiaNajad
Year1975–19802000–2010
TypeSloopSloop
CountryUSASweden
DesignerWilliam CrealockJudel/Vrolijk
Dimensions
LOA10.36 m (34.0 ft)10.72 m (35.2 ft)
LWL8.23 m (27.0 ft)9.00 m (29.5 ft)
Beam3.05 m (10.0 ft)3.38 m (11.1 ft)
Draft1.52 m (5.0 ft)1.75 m (5.7 ft)
Weight
Displacement5,216 kg (11,499 lbs)6,000 kg (13,228 lbs)
Ballast2,177 kg (4,799 lbs)2,400 kg (5,291 lbs)
Sailing
Sail Area46.5 m² (501 ft²)51.0 m² (549 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine18 HP28 HP
Fuel Capacity76 L (20.1 gal)110 L (29.1 gal)
Water Capacity114 L (30.1 gal)180 L (47.6 gal)
Accommodation
Berths66
Cabins22

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1975 Columbia 34 Mk II
15.71
2000 Najad 355
15.69
Ballast Ratio (Higher = more stability)
1975 Columbia 34 Mk II
41.74
2000 Najad 355
40.00
Capsize Ratio (Lower = safer offshore)
1975 Columbia 34 Mk II
0.70
2000 Najad 355
0.75
Comfort Ratio (Higher = gentler motion)
1975 Columbia 34 Mk II
23.07
2000 Najad 355
20.10

Detailed Comparison

The 1975 Columbia 34 Mk II and 2000 Najad 355 represent two takes on sloop-rigged sailing. The 1975 Columbia 34 Mk II is a 1970s design by Columbia from USA, while the 2000 Najad 355 is a 2000s offering from Najad from Sweden. The 1975 Columbia 34 Mk II was penned by William Crealock. The 2000 Najad 355 was designed by Judel/Vrolijk.

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 2000 Najad 355 at 10.72m (35.2ft) with a 3.38m beam. The 2000 Najad 355 is 0.36m longer than the 1975 Columbia 34 Mk II. The 2000 Najad 355 displaces approximately 15% 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 2000 Najad 355, with an SA/D of 15.69 and 51.0 m² of canvas, offers moderate sail power suitable for relaxed cruising. The 1975 Columbia 34 Mk II 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 2000 Najad 355 has a comfort ratio of 20.1 and a capsize screening value of 0.75. The ballast ratios are 41.7% for the 1975 Columbia 34 Mk II and 40.0% for the 2000 Najad 355, 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 2000 Najad 355 offers 6 berths in 2 cabins with 180L water and 110L 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 Columbia 34 Mk II has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.

For liveaboard: Both boats provide similar accommodation, making either a viable choice for living aboard. Consider water and fuel capacity for extended stays away from marinas.

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