Hunter 306 vs 1979 Cal 39 — Comparison

Hunter 306Hunter 306
VS
1979 Cal 391979 Cal 39

Specifications Side by Side

SpecificationHunter 3061979 Cal 39
General
ManufacturerHunterCal
Year1999–20041979–1985
TypeSloopSloop
CountryUSAUSA
DesignerGlenn HendersonBill Lapworth / C. Raymond Hunt
Dimensions
LOA9.25 m (30.3 ft)11.89 m (39.0 ft)
LWL8.08 m (26.5 ft)9.60 m (31.5 ft)
Beam3.10 m (10.2 ft)3.66 m (12.0 ft)
Draft1.65 m (5.4 ft)1.83 m (6.0 ft)
Weight
Displacement3,990 kg (8,796 lbs)8,165 kg (18,001 lbs)
Ballast1,588 kg (3,501 lbs)3,402 kg (7,500 lbs)
Sailing
Sail Area43.0 m² (463 ft²)63.0 m² (678 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine18 HP30 HP
Fuel Capacity57 L (15.1 gal)114 L (30.1 gal)
Water Capacity114 L (30.1 gal)200 L (52.8 gal)
Accommodation
Berths67
Cabins22

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
Hunter 306
17.37
1979 Cal 39
15.78
Ballast Ratio (Higher = more stability)
Hunter 306
39.80
1979 Cal 39
41.67
Capsize Ratio (Lower = safer offshore)
Hunter 306
0.78
1979 Cal 39
0.73
Comfort Ratio (Higher = gentler motion)
Hunter 306
19.11
1979 Cal 39
21.05

Detailed Comparison

The Hunter 306 and 1979 Cal 39 represent two takes on sloop-rigged sailing. The Hunter 306 is a 1990s design by Hunter from USA, while the 1979 Cal 39 is a 1970s offering from Cal from USA. The Hunter 306 was penned by Glenn Henderson. The 1979 Cal 39 was designed by Bill Lapworth / C. Raymond Hunt.

In terms of size, the Hunter 306 measures 9.25m (30.3ft) overall with a beam of 3.10m, compared to the 1979 Cal 39 at 11.89m (39.0ft) with a 3.66m beam. The 1979 Cal 39 is 2.64m longer than the Hunter 306. The 1979 Cal 39 displaces approximately 105% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the Hunter 306 has good sail power for versatile performance with an SA/D ratio of 17.37 and 43.0 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 Hunter 306 has the edge in terms of raw sailing performance.

For comfort and safety, the Hunter 306 offers a firm, racing-oriented motion (comfort ratio: 19.1) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.78). The 1979 Cal 39 has a comfort ratio of 21.1 and a capsize screening value of 0.73. The ballast ratios are 39.8% for the Hunter 306 and 41.7% for the 1979 Cal 39, reflecting their respective approaches to stability.

Below deck, the Hunter 306 provides 6 berths in 2 cabins with 114L of water capacity and 57L 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 Hunter 306 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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