1978 Cape Dory 25 vs 1978 Cape Dory 270 — Comparison

1978 Cape Dory 25
VS
1978 Cape Dory 270

Specifications Side by Side

Specification1978 Cape Dory 251978 Cape Dory 270
General
ManufacturerCape DoryCape Dory
Year1978–19831978–1985
TypeSloopSloop
CountryUSAUSA
DesignerCarl AlbergCarl Alberg
Dimensions
LOA7.62 m (25.0 ft)8.23 m (27.0 ft)
LWL5.79 m (19.0 ft)6.40 m (21.0 ft)
Beam2.44 m (8.0 ft)2.59 m (8.5 ft)
Draft1.07 m (3.5 ft)1.14 m (3.7 ft)
Weight
Displacement2,041 kg (4,500 lbs)2,722 kg (6,001 lbs)
Ballast862 kg (1,900 lbs)1,134 kg (2,500 lbs)
Sailing
Sail Area25.0 m² (269 ft²)28.0 m² (301 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFullFull
Engine & Tanks
Engine10 HP12 HP
Fuel Capacity30 L (7.9 gal)38 L (10.0 gal)
Water Capacity57 L (15.1 gal)68 L (18.0 gal)
Accommodation
Berths44
Cabins11

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1978 Cape Dory 25
15.79
1978 Cape Dory 270
14.60
Ballast Ratio (Higher = more stability)
1978 Cape Dory 25
42.23
1978 Cape Dory 270
41.66
Capsize Ratio (Lower = safer offshore)
1978 Cape Dory 25
0.77
1978 Cape Dory 270
0.74
Comfort Ratio (Higher = gentler motion)
1978 Cape Dory 25
23.80
1978 Cape Dory 270
24.39

Detailed Comparison

The 1978 Cape Dory 25 and 1978 Cape Dory 270 represent two takes on sloop-rigged sailing. The 1978 Cape Dory 25 is a 1970s design by Cape Dory from USA, while the 1978 Cape Dory 270 is a 1970s offering from Cape Dory from USA. The 1978 Cape Dory 25 was penned by Carl Alberg. The 1978 Cape Dory 270 was designed by Carl Alberg.

In terms of size, the 1978 Cape Dory 25 measures 7.62m (25.0ft) overall with a beam of 2.44m, compared to the 1978 Cape Dory 270 at 8.23m (27.0ft) with a 2.59m beam. The 1978 Cape Dory 270 is 0.61m longer than the 1978 Cape Dory 25. The 1978 Cape Dory 270 displaces approximately 33% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 1978 Cape Dory 25 has moderate sail power suitable for relaxed cruising with an SA/D ratio of 15.79 and 25.0 m² of sail area. The 1978 Cape Dory 270, with an SA/D of 14.60 and 28.0 m² of canvas, offers modest sail power for its displacement. The 1978 Cape Dory 25 has the edge in terms of raw sailing performance.

For comfort and safety, the 1978 Cape Dory 25 offers a moderate motion comfort level (comfort ratio: 23.8) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.77). The 1978 Cape Dory 270 has a comfort ratio of 24.4 and a capsize screening value of 0.74. The ballast ratios are 42.2% for the 1978 Cape Dory 25 and 41.7% for the 1978 Cape Dory 270, reflecting their respective approaches to stability.

Below deck, the 1978 Cape Dory 25 provides 4 berths in 1 cabin with 57L of water capacity and 30L of fuel. The 1978 Cape Dory 270 offers 4 berths in 1 cabin with 68L water and 38L 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 1978 Cape Dory 25 has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.

For liveaboard: Both boats provide similar accommodation, making either a viable choice for living aboard. Consider water and fuel capacity for extended stays away from marinas.

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Or view individual specs: 1978 Cape Dory 25 · 1978 Cape Dory 270