1975 Columbia 34 Mk II vs 1979 Cal 39 — Comparison
1979 Cal 39
Specifications Side by Side
| Specification | 1975 Columbia 34 Mk II | 1979 Cal 39 |
|---|---|---|
| General | ||
| Manufacturer | Columbia | Cal |
| Year | 1975–1980 | 1979–1985 |
| Type | Sloop | Sloop |
| Country | USA | USA |
| Designer | William Crealock | Bill Lapworth / C. Raymond Hunt |
| Dimensions | ||
| LOA | 10.36 m (34.0 ft) | 11.89 m (39.0 ft) |
| LWL | 8.23 m (27.0 ft) | 9.60 m (31.5 ft) |
| Beam | 3.05 m (10.0 ft) | 3.66 m (12.0 ft) |
| Draft | 1.52 m (5.0 ft) | 1.83 m (6.0 ft) |
| Weight | ||
| Displacement | 5,216 kg (11,499 lbs) | 8,165 kg (18,001 lbs) |
| Ballast | 2,177 kg (4,799 lbs) | 3,402 kg (7,500 lbs) |
| Sailing | ||
| Sail Area | 46.5 m² (501 ft²) | 63.0 m² (678 ft²) |
| Hull Material | Fiberglass | Fiberglass |
| Keel Type | Fin | Fin |
| Engine & Tanks | ||
| Engine | 18 HP | 30 HP |
| Fuel Capacity | 76 L (20.1 gal) | 114 L (30.1 gal) |
| Water Capacity | 114 L (30.1 gal) | 200 L (52.8 gal) |
| Accommodation | ||
| Berths | 6 | 7 |
| Cabins | 2 | 2 |
Performance Comparison
Detailed Comparison
The 1975 Columbia 34 Mk II and 1979 Cal 39 represent two takes on sloop-rigged sailing. The 1975 Columbia 34 Mk II is a 1970s design by Columbia from USA, while the 1979 Cal 39 is a 1970s offering from Cal from USA. The 1975 Columbia 34 Mk II was penned by William Crealock. The 1979 Cal 39 was designed by Bill Lapworth / C. Raymond Hunt.
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 1979 Cal 39 at 11.89m (39.0ft) with a 3.66m beam. The 1979 Cal 39 is 1.53m longer than the 1975 Columbia 34 Mk II. The 1979 Cal 39 displaces approximately 57% 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 1979 Cal 39, with an SA/D of 15.78 and 63.0 m² of canvas, offers moderate sail power suitable for relaxed cruising. The 1979 Cal 39 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 1979 Cal 39 has a comfort ratio of 21.1 and a capsize screening value of 0.73. The ballast ratios are 41.7% for the 1975 Columbia 34 Mk II and 41.7% for the 1979 Cal 39, 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 1979 Cal 39 offers 7 berths in 2 cabins with 200L water and 114L 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 1979 Cal 39 has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.
For liveaboard: The 1979 Cal 39 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 · 1979 Cal 39