Beneteau First 33.7 vs 1979 Cal 39 — Comparison

Beneteau First 33.7
VS
1979 Cal 391979 Cal 39

Specifications Side by Side

SpecificationBeneteau First 33.71979 Cal 39
General
ManufacturerBeneteauCal
Year2001–20061979–1985
TypeSloopSloop
CountryFranceUSA
DesignerJean BerretBill Lapworth / C. Raymond Hunt
Dimensions
LOA10.04 m (32.9 ft)11.89 m (39.0 ft)
LWL8.89 m (29.2 ft)9.60 m (31.5 ft)
Beam3.32 m (10.9 ft)3.66 m (12.0 ft)
Draft1.85 m (6.1 ft)1.83 m (6.0 ft)
Weight
Displacement4,700 kg (10,362 lbs)8,165 kg (18,001 lbs)
Ballast1,650 kg (3,638 lbs)3,402 kg (7,500 lbs)
Sailing
Sail Area55.0 m² (592 ft²)63.0 m² (678 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine18 HP30 HP
Fuel Capacity80 L (21.1 gal)114 L (30.1 gal)
Water Capacity150 L (39.6 gal)200 L (52.8 gal)
Accommodation
Berths67
Cabins22

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
Beneteau First 33.7
19.92
1979 Cal 39
15.78
Ballast Ratio (Higher = more stability)
Beneteau First 33.7
35.11
1979 Cal 39
41.67
Capsize Ratio (Lower = safer offshore)
Beneteau First 33.7
0.79
1979 Cal 39
0.73
Comfort Ratio (Higher = gentler motion)
Beneteau First 33.7
17.13
1979 Cal 39
21.05

Detailed Comparison

The Beneteau First 33.7 and 1979 Cal 39 represent two takes on sloop-rigged sailing. The Beneteau First 33.7 is a 2000s design by Beneteau from France, while the 1979 Cal 39 is a 1970s offering from Cal from USA. The Beneteau First 33.7 was penned by Jean Berret. The 1979 Cal 39 was designed by Bill Lapworth / C. Raymond Hunt.

In terms of size, the Beneteau First 33.7 measures 10.04m (32.9ft) overall with a beam of 3.32m, compared to the 1979 Cal 39 at 11.89m (39.0ft) with a 3.66m beam. The 1979 Cal 39 is 1.85m longer than the Beneteau First 33.7. The 1979 Cal 39 displaces approximately 74% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the Beneteau First 33.7 has good sail power for versatile performance with an SA/D ratio of 19.92 and 55.0 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 Beneteau First 33.7 has the edge in terms of raw sailing performance.

For comfort and safety, the Beneteau First 33.7 offers a firm, racing-oriented motion (comfort ratio: 17.1) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.79). The 1979 Cal 39 has a comfort ratio of 21.1 and a capsize screening value of 0.73. The ballast ratios are 35.1% for the Beneteau First 33.7 and 41.7% for the 1979 Cal 39, reflecting their respective approaches to stability.

Below deck, the Beneteau First 33.7 provides 6 berths in 2 cabins with 150L of water capacity and 80L 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 Beneteau First 33.7 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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