1975 Cape Dory Typhoon vs 1978 Cape Dory 270 — Comparison

1975 Cape Dory Typhoon 1975 Cape Dory Typhoon
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1978 Cape Dory 270 1978 Cape Dory 270

Specifications Side by Side

Specification 1975 Cape Dory Typhoon 1978 Cape Dory 270
General
Manufacturer Cape Dory Cape Dory
Year 1975–1988 1978–1985
Type Sloop Sloop
Country USA USA
Designer Carl Alberg Carl Alberg
Dimensions
LOA 5.79 m (19.0 ft) 8.23 m (27.0 ft)
LWL 4.57 m (15.0 ft) 6.40 m (21.0 ft)
Beam 1.83 m (6.0 ft) 2.59 m (8.5 ft)
Draft 0.76 m (2.5 ft) 1.14 m (3.7 ft)
Weight
Displacement 680 kg (1,499 lbs) 2,722 kg (6,001 lbs)
Ballast 272 kg (600 lbs) 1,134 kg (2,500 lbs)
Sailing
Sail Area 10.6 m² (114 ft²) 28.0 m² (301 ft²)
Hull Material Fiberglass Fiberglass
Keel Type Full Full
Engine & Tanks
Engine 5 HP 12 HP
Fuel Capacity 8 L (2.1 gal) 38 L (10.0 gal)
Water Capacity 15 L (4.0 gal) 68 L (18.0 gal)
Accommodation
Berths 2 4
Cabins 1 1

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1975 Cape Dory Typhoon
13.94
1978 Cape Dory 270
14.60
Ballast Ratio (Higher = more stability)
1975 Cape Dory Typhoon
40.00
1978 Cape Dory 270
41.66
Capsize Ratio (Lower = safer offshore)
1975 Cape Dory Typhoon
0.83
1978 Cape Dory 270
0.74
Comfort Ratio (Higher = gentler motion)
1975 Cape Dory Typhoon
19.19
1978 Cape Dory 270
24.39

Detailed Comparison

The 1975 Cape Dory Typhoon and 1978 Cape Dory 270 represent two takes on sloop-rigged sailing. The 1975 Cape Dory Typhoon 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 1975 Cape Dory Typhoon was penned by Carl Alberg. The 1978 Cape Dory 270 was designed by Carl Alberg.

In terms of size, the 1975 Cape Dory Typhoon measures 5.79m (19.0ft) overall with a beam of 1.83m, compared to the 1978 Cape Dory 270 at 8.23m (27.0ft) with a 2.59m beam. The 1978 Cape Dory 270 is 2.44m longer than the 1975 Cape Dory Typhoon. The 1978 Cape Dory 270 displaces approximately 300% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 1975 Cape Dory Typhoon has modest sail power for its displacement with an SA/D ratio of 13.94 and 10.6 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 270 has the edge in terms of raw sailing performance.

For comfort and safety, the 1975 Cape Dory Typhoon offers a firm, racing-oriented motion (comfort ratio: 19.2) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.83). The 1978 Cape Dory 270 has a comfort ratio of 24.4 and a capsize screening value of 0.74. The ballast ratios are 40.0% for the 1975 Cape Dory Typhoon and 41.7% for the 1978 Cape Dory 270, reflecting their respective approaches to stability.

Below deck, the 1975 Cape Dory Typhoon provides 2 berths in 1 cabin with 15L of water capacity and 8L 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 270 has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.

For liveaboard: The 1978 Cape Dory 270 offers more sleeping accommodation, making it better suited for extended living aboard. Consider water and fuel capacity for extended stays away from marinas.

Compare Different Boats

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