Jeanneau Sun Fast 3600 vs 1979 Cal 39 — Comparison

Jeanneau Sun Fast 3600
VS
1979 Cal 391979 Cal 39

Specifications Side by Side

SpecificationJeanneau Sun Fast 36001979 Cal 39
General
ManufacturerJeanneauCal
Year20161979–1985
TypeSloopSloop
CountryFranceUSA
DesignerDaniel AndrieuBill Lapworth / C. Raymond Hunt
Dimensions
LOA10.94 m (35.9 ft)11.89 m (39.0 ft)
LWL10.10 m (33.1 ft)9.60 m (31.5 ft)
Beam3.55 m (11.6 ft)3.66 m (12.0 ft)
Draft2.10 m (6.9 ft)1.83 m (6.0 ft)
Weight
Displacement5,100 kg (11,244 lbs)8,165 kg (18,001 lbs)
Ballast1,900 kg (4,189 lbs)3,402 kg (7,500 lbs)
Sailing
Sail Area61.0 m² (657 ft²)63.0 m² (678 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine21 HP30 HP
Fuel Capacity80 L (21.1 gal)114 L (30.1 gal)
Water Capacity120 L (31.7 gal)200 L (52.8 gal)
Accommodation
Berths57
Cabins12

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
Jeanneau Sun Fast 3600
20.92
1979 Cal 39
15.78
Ballast Ratio (Higher = more stability)
Jeanneau Sun Fast 3600
37.25
1979 Cal 39
41.67
Capsize Ratio (Lower = safer offshore)
Jeanneau Sun Fast 3600
0.83
1979 Cal 39
0.73
Comfort Ratio (Higher = gentler motion)
Jeanneau Sun Fast 3600
13.53
1979 Cal 39
21.05

Detailed Comparison

The Jeanneau Sun Fast 3600 and 1979 Cal 39 represent two takes on sloop-rigged sailing. The Jeanneau Sun Fast 3600 is a modern design by Jeanneau from France, while the 1979 Cal 39 is a 1970s offering from Cal from USA. The Jeanneau Sun Fast 3600 was penned by Daniel Andrieu. The 1979 Cal 39 was designed by Bill Lapworth / C. Raymond Hunt.

In terms of size, the Jeanneau Sun Fast 3600 measures 10.94m (35.9ft) overall with a beam of 3.55m, compared to the 1979 Cal 39 at 11.89m (39.0ft) with a 3.66m beam. The 1979 Cal 39 is 0.95m longer than the Jeanneau Sun Fast 3600. The 1979 Cal 39 displaces approximately 60% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the Jeanneau Sun Fast 3600 has generous sail power for spirited sailing with an SA/D ratio of 20.92 and 61.0 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 Jeanneau Sun Fast 3600 has the edge in terms of raw sailing performance.

For comfort and safety, the Jeanneau Sun Fast 3600 offers a firm, racing-oriented motion (comfort ratio: 13.5) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.83). The 1979 Cal 39 has a comfort ratio of 21.1 and a capsize screening value of 0.73. The ballast ratios are 37.3% for the Jeanneau Sun Fast 3600 and 41.7% for the 1979 Cal 39, reflecting their respective approaches to stability.

Below deck, the Jeanneau Sun Fast 3600 provides 5 berths in 1 cabin with 120L 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 Jeanneau Sun Fast 3600 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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