1963 Cal 40 vs 1979 Cal 39 — Comparison
1963 Cal 40
1979 Cal 39
Specifications Side by Side
| Specification | 1963 Cal 40 | 1979 Cal 39 |
|---|---|---|
| General | ||
| Manufacturer | Cal | Cal |
| Year | 1963–1972 | 1979–1985 |
| Type | Sloop | Sloop |
| Country | USA | USA |
| Designer | Bill Lapworth | Bill Lapworth / C. Raymond Hunt |
| Dimensions | ||
| LOA | 12.19 m (40.0 ft) | 11.89 m (39.0 ft) |
| LWL | 9.14 m (30.0 ft) | 9.60 m (31.5 ft) |
| Beam | 3.35 m (11.0 ft) | 3.66 m (12.0 ft) |
| Draft | 1.83 m (6.0 ft) | 1.83 m (6.0 ft) |
| Weight | ||
| Displacement | 7,030 kg (15,498 lbs) | 8,165 kg (18,001 lbs) |
| Ballast | 2,722 kg (6,001 lbs) | 3,402 kg (7,500 lbs) |
| Sailing | ||
| Sail Area | 61.3 m² (660 ft²) | 63.0 m² (678 ft²) |
| Hull Material | Fiberglass | Fiberglass |
| Keel Type | Fin | Fin |
| Engine & Tanks | ||
| Engine | 22 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 1963 Cal 40 and 1979 Cal 39 represent two takes on sloop-rigged sailing. The 1963 Cal 40 is a classic design by Cal from USA, while the 1979 Cal 39 is a 1970s offering from Cal from USA. The 1963 Cal 40 was penned by Bill Lapworth. The 1979 Cal 39 was designed by Bill Lapworth / C. Raymond Hunt.
In terms of size, the 1963 Cal 40 measures 12.19m (40.0ft) overall with a beam of 3.35m, compared to the 1979 Cal 39 at 11.89m (39.0ft) with a 3.66m beam. The 1963 Cal 40 is 0.30m longer than the 1979 Cal 39. The 1979 Cal 39 displaces approximately 16% more than its counterpart, which significantly affects how each boat handles in different sea states.
Looking at performance, the 1963 Cal 40 has moderate sail power suitable for relaxed cruising with an SA/D ratio of 16.97 and 61.3 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 1963 Cal 40 has the edge in terms of raw sailing performance.
For comfort and safety, the 1963 Cal 40 offers a moderate motion comfort level (comfort ratio: 21.4) 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 38.7% for the 1963 Cal 40 and 41.7% for the 1979 Cal 39, reflecting their respective approaches to stability.
Below deck, the 1963 Cal 40 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 1963 Cal 40 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 1963 Cal 40 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: 1963 Cal 40 · 1979 Cal 39