1979 Islander 36 vs 1978 Cape Dory 270 — Comparison

1979 Islander 36 1979 Islander 36
VS
1978 Cape Dory 270 1978 Cape Dory 270

Specifications Side by Side

Specification 1979 Islander 36 1978 Cape Dory 270
General
Manufacturer Islander Cape Dory
Year 1979–1985 1978–1985
Type Sloop Sloop
Country USA USA
Designer Alan Gurney Carl Alberg
Dimensions
LOA 10.97 m (36.0 ft) 8.23 m (27.0 ft)
LWL 8.84 m (29.0 ft) 6.40 m (21.0 ft)
Beam 3.28 m (10.8 ft) 2.59 m (8.5 ft)
Draft 1.68 m (5.5 ft) 1.14 m (3.7 ft)
Weight
Displacement 6,350 kg (13,999 lbs) 2,722 kg (6,001 lbs)
Ballast 2,722 kg (6,001 lbs) 1,134 kg (2,500 lbs)
Sailing
Sail Area 54.2 m² (583 ft²) 28.0 m² (301 ft²)
Hull Material Fiberglass Fiberglass
Keel Type Fin Full
Engine & Tanks
Engine 22 HP 12 HP
Fuel Capacity 76 L (20.1 gal) 38 L (10.0 gal)
Water Capacity 151 L (39.9 gal) 68 L (18.0 gal)
Accommodation
Berths 7 4
Cabins 2 1

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1979 Islander 36
16.06
1978 Cape Dory 270
14.60
Ballast Ratio (Higher = more stability)
1979 Islander 36
42.87
1978 Cape Dory 270
41.66
Capsize Ratio (Lower = safer offshore)
1979 Islander 36
0.71
1978 Cape Dory 270
0.74
Comfort Ratio (Higher = gentler motion)
1979 Islander 36
22.32
1978 Cape Dory 270
24.39

Detailed Comparison

The 1979 Islander 36 and 1978 Cape Dory 270 represent two takes on sloop-rigged sailing. The 1979 Islander 36 is a 1970s design by Islander from USA, while the 1978 Cape Dory 270 is a 1970s offering from Cape Dory from USA. The 1979 Islander 36 was penned by Alan Gurney. The 1978 Cape Dory 270 was designed by Carl Alberg.

In terms of size, the 1979 Islander 36 measures 10.97m (36.0ft) overall with a beam of 3.28m, compared to the 1978 Cape Dory 270 at 8.23m (27.0ft) with a 2.59m beam. The 1979 Islander 36 is 2.74m longer than the 1978 Cape Dory 270. The 1979 Islander 36 displaces approximately 133% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 1979 Islander 36 has moderate sail power suitable for relaxed cruising with an SA/D ratio of 16.06 and 54.2 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 1979 Islander 36 has the edge in terms of raw sailing performance.

For comfort and safety, the 1979 Islander 36 offers a moderate motion comfort level (comfort ratio: 22.3) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.71). The 1978 Cape Dory 270 has a comfort ratio of 24.4 and a capsize screening value of 0.74. The ballast ratios are 42.9% for the 1979 Islander 36 and 41.7% for the 1978 Cape Dory 270, reflecting their respective approaches to stability.

Below deck, the 1979 Islander 36 provides 7 berths in 2 cabins with 151L of water capacity and 76L 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 1979 Islander 36 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 Islander 36 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

VS