1997 Tartan 3700 vs 1979 Cal 39 — Comparison

1997 Tartan 3700
VS
1979 Cal 391979 Cal 39

Specifications Side by Side

Specification1997 Tartan 37001979 Cal 39
General
ManufacturerTartanCal
Year1997–20061979–1985
TypeSloopSloop
CountryUSAUSA
DesignerTim JackettBill Lapworth / C. Raymond Hunt
Dimensions
LOA11.28 m (37.0 ft)11.89 m (39.0 ft)
LWL9.75 m (32.0 ft)9.60 m (31.5 ft)
Beam3.66 m (12.0 ft)3.66 m (12.0 ft)
Draft1.98 m (6.5 ft)1.83 m (6.0 ft)
Weight
Displacement7,031 kg (15,501 lbs)8,165 kg (18,001 lbs)
Ballast2,948 kg (6,499 lbs)3,402 kg (7,500 lbs)
Sailing
Sail Area62.0 m² (667 ft²)63.0 m² (678 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine35 HP30 HP
Fuel Capacity130 L (34.3 gal)114 L (30.1 gal)
Water Capacity220 L (58.1 gal)200 L (52.8 gal)
Accommodation
Berths67
Cabins22

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1997 Tartan 3700
17.16
1979 Cal 39
15.78
Ballast Ratio (Higher = more stability)
1997 Tartan 3700
41.93
1979 Cal 39
41.67
Capsize Ratio (Lower = safer offshore)
1997 Tartan 3700
0.77
1979 Cal 39
0.73
Comfort Ratio (Higher = gentler motion)
1997 Tartan 3700
18.41
1979 Cal 39
21.05

Detailed Comparison

The 1997 Tartan 3700 and 1979 Cal 39 represent two takes on sloop-rigged sailing. The 1997 Tartan 3700 is a 1990s design by Tartan from USA, while the 1979 Cal 39 is a 1970s offering from Cal from USA. The 1997 Tartan 3700 was penned by Tim Jackett. The 1979 Cal 39 was designed by Bill Lapworth / C. Raymond Hunt.

In terms of size, the 1997 Tartan 3700 measures 11.28m (37.0ft) overall with a beam of 3.66m, compared to the 1979 Cal 39 at 11.89m (39.0ft) with a 3.66m beam. The 1979 Cal 39 is 0.61m longer than the 1997 Tartan 3700. 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 1997 Tartan 3700 has good sail power for versatile performance with an SA/D ratio of 17.16 and 62.0 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 1997 Tartan 3700 has the edge in terms of raw sailing performance.

For comfort and safety, the 1997 Tartan 3700 offers a firm, racing-oriented motion (comfort ratio: 18.4) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.77). The 1979 Cal 39 has a comfort ratio of 21.1 and a capsize screening value of 0.73. The ballast ratios are 41.9% for the 1997 Tartan 3700 and 41.7% for the 1979 Cal 39, reflecting their respective approaches to stability.

Below deck, the 1997 Tartan 3700 provides 6 berths in 2 cabins with 220L of water capacity and 130L of fuel. The 1979 Cal 39 offers 7 berths in 2 cabins with 200L water and 114L fuel capacity.

Verdict

For cruising: The 1979 Cal 39 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 1997 Tartan 3700 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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