1979 Cal 39 vs 1973 Ranger 33 — Comparison

1979 Cal 391979 Cal 39
VS
1973 Ranger 331973 Ranger 33

Specifications Side by Side

Specification1979 Cal 391973 Ranger 33
General
ManufacturerCalRanger
Year1979–19851973–1979
TypeSloopSloop
CountryUSAUSA
DesignerBill Lapworth / C. Raymond HuntGary Mull
Dimensions
LOA11.89 m (39.0 ft)10.06 m (33.0 ft)
LWL9.60 m (31.5 ft)8.23 m (27.0 ft)
Beam3.66 m (12.0 ft)3.05 m (10.0 ft)
Draft1.83 m (6.0 ft)1.52 m (5.0 ft)
Weight
Displacement8,165 kg (18,001 lbs)4,763 kg (10,501 lbs)
Ballast3,402 kg (7,500 lbs)2,041 kg (4,500 lbs)
Sailing
Sail Area63.0 m² (678 ft²)43.0 m² (463 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine30 HP15 HP
Fuel Capacity114 L (30.1 gal)57 L (15.1 gal)
Water Capacity200 L (52.8 gal)95 L (25.1 gal)
Accommodation
Berths76
Cabins22

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1979 Cal 39
15.78
1973 Ranger 33
15.43
Ballast Ratio (Higher = more stability)
1979 Cal 39
41.67
1973 Ranger 33
42.85
Capsize Ratio (Lower = safer offshore)
1979 Cal 39
0.73
1973 Ranger 33
0.73
Comfort Ratio (Higher = gentler motion)
1979 Cal 39
21.05
1973 Ranger 33
21.50

Detailed Comparison

The 1979 Cal 39 and 1973 Ranger 33 represent two takes on sloop-rigged sailing. The 1979 Cal 39 is a 1970s design by Cal from USA, while the 1973 Ranger 33 is a 1970s offering from Ranger from USA. The 1979 Cal 39 was penned by Bill Lapworth / C. Raymond Hunt. The 1973 Ranger 33 was designed by Gary Mull.

In terms of size, the 1979 Cal 39 measures 11.89m (39.0ft) overall with a beam of 3.66m, compared to the 1973 Ranger 33 at 10.06m (33.0ft) with a 3.05m beam. The 1979 Cal 39 is 1.83m longer than the 1973 Ranger 33. The 1979 Cal 39 displaces approximately 71% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 1979 Cal 39 has moderate sail power suitable for relaxed cruising with an SA/D ratio of 15.78 and 63.0 m² of sail area. The 1973 Ranger 33, with an SA/D of 15.43 and 43.0 m² of canvas, offers moderate sail power suitable for relaxed cruising. The 1979 Cal 39 has the edge in terms of raw sailing performance.

For comfort and safety, the 1979 Cal 39 offers a moderate motion comfort level (comfort ratio: 21.1) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.73). The 1973 Ranger 33 has a comfort ratio of 21.5 and a capsize screening value of 0.73. The ballast ratios are 41.7% for the 1979 Cal 39 and 42.9% for the 1973 Ranger 33, reflecting their respective approaches to stability.

Below deck, the 1979 Cal 39 provides 7 berths in 2 cabins with 200L of water capacity and 114L of fuel. The 1973 Ranger 33 offers 6 berths in 2 cabins with 95L water and 57L fuel capacity.

Verdict

For cruising: The 1973 Ranger 33 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 1979 Cal 39 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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