1978 Cape Dory 270 vs 1973 Ranger 33 — Comparison

1978 Cape Dory 270
VS
1973 Ranger 331973 Ranger 33

Specifications Side by Side

Specification1978 Cape Dory 2701973 Ranger 33
General
ManufacturerCape DoryRanger
Year1978–19851973–1979
TypeSloopSloop
CountryUSAUSA
DesignerCarl AlbergGary Mull
Dimensions
LOA8.23 m (27.0 ft)10.06 m (33.0 ft)
LWL6.40 m (21.0 ft)8.23 m (27.0 ft)
Beam2.59 m (8.5 ft)3.05 m (10.0 ft)
Draft1.14 m (3.7 ft)1.52 m (5.0 ft)
Weight
Displacement2,722 kg (6,001 lbs)4,763 kg (10,501 lbs)
Ballast1,134 kg (2,500 lbs)2,041 kg (4,500 lbs)
Sailing
Sail Area28.0 m² (301 ft²)43.0 m² (463 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFullFin
Engine & Tanks
Engine12 HP15 HP
Fuel Capacity38 L (10.0 gal)57 L (15.1 gal)
Water Capacity68 L (18.0 gal)95 L (25.1 gal)
Accommodation
Berths46
Cabins12

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1978 Cape Dory 270
14.60
1973 Ranger 33
15.43
Ballast Ratio (Higher = more stability)
1978 Cape Dory 270
41.66
1973 Ranger 33
42.85
Capsize Ratio (Lower = safer offshore)
1978 Cape Dory 270
0.74
1973 Ranger 33
0.73
Comfort Ratio (Higher = gentler motion)
1978 Cape Dory 270
24.39
1973 Ranger 33
21.50

Detailed Comparison

The 1978 Cape Dory 270 and 1973 Ranger 33 represent two takes on sloop-rigged sailing. The 1978 Cape Dory 270 is a 1970s design by Cape Dory from USA, while the 1973 Ranger 33 is a 1970s offering from Ranger from USA. The 1978 Cape Dory 270 was penned by Carl Alberg. The 1973 Ranger 33 was designed by Gary Mull.

In terms of size, the 1978 Cape Dory 270 measures 8.23m (27.0ft) overall with a beam of 2.59m, compared to the 1973 Ranger 33 at 10.06m (33.0ft) with a 3.05m beam. The 1973 Ranger 33 is 1.83m longer than the 1978 Cape Dory 270. The 1973 Ranger 33 displaces approximately 75% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 1978 Cape Dory 270 has modest sail power for its displacement with an SA/D ratio of 14.60 and 28.0 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 1973 Ranger 33 has the edge in terms of raw sailing performance.

For comfort and safety, the 1978 Cape Dory 270 offers a moderate motion comfort level (comfort ratio: 24.4) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.74). 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 1978 Cape Dory 270 and 42.9% for the 1973 Ranger 33, reflecting their respective approaches to stability.

Below deck, the 1978 Cape Dory 270 provides 4 berths in 1 cabin with 68L of water capacity and 38L of fuel. The 1973 Ranger 33 offers 6 berths in 2 cabins with 95L water and 57L fuel capacity.

Verdict

For cruising: The 1978 Cape Dory 270 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 1973 Ranger 33 has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.

For liveaboard: The 1973 Ranger 33 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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