1979 Islander 36 vs 1976 Cape Dory 30 Cutter — Comparison

1979 Islander 36 1979 Islander 36
VS
1976 Cape Dory 30 Cutter 1976 Cape Dory 30 Cutter

Specifications Side by Side

Specification 1979 Islander 36 1976 Cape Dory 30 Cutter
General
Manufacturer Islander Cape Dory
Year 1979–1985 1976–1983
Type Sloop Cutter
Country USA USA
Designer Alan Gurney Carl Alberg
Dimensions
LOA 10.97 m (36.0 ft) 9.14 m (30.0 ft)
LWL 8.84 m (29.0 ft) 7.16 m (23.5 ft)
Beam 3.28 m (10.8 ft) 2.74 m (9.0 ft)
Draft 1.68 m (5.5 ft) 1.37 m (4.5 ft)
Weight
Displacement 6,350 kg (13,999 lbs) 4,082 kg (8,999 lbs)
Ballast 2,722 kg (6,001 lbs) 1,814 kg (3,999 lbs)
Sailing
Sail Area 54.2 m² (583 ft²) 40.2 m² (433 ft²)
Hull Material Fiberglass Fiberglass
Keel Type Fin Full
Engine & Tanks
Engine 22 HP 18 HP
Fuel Capacity 76 L (20.1 gal) 57 L (15.1 gal)
Water Capacity 151 L (39.9 gal) 76 L (20.1 gal)
Accommodation
Berths 7 5
Cabins 2 1

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1979 Islander 36
16.06
1976 Cape Dory 30 Cutter
15.99
Ballast Ratio (Higher = more stability)
1979 Islander 36
42.87
1976 Cape Dory 30 Cutter
44.44
Capsize Ratio (Lower = safer offshore)
1979 Islander 36
0.71
1976 Cape Dory 30 Cutter
0.69
Comfort Ratio (Higher = gentler motion)
1979 Islander 36
22.32
1976 Cape Dory 30 Cutter
27.25

Detailed Comparison

The 1979 Islander 36 and 1976 Cape Dory 30 Cutter represent different approaches to sailboat design. The 1979 Islander 36 is a 1970s design by Islander from USA, while the 1976 Cape Dory 30 Cutter is a 1970s offering from Cape Dory from USA. The 1979 Islander 36 was penned by Alan Gurney. The 1976 Cape Dory 30 Cutter 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 1976 Cape Dory 30 Cutter at 9.14m (30.0ft) with a 2.74m beam. The 1979 Islander 36 is 1.83m longer than the 1976 Cape Dory 30 Cutter. The 1979 Islander 36 displaces approximately 56% 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 1976 Cape Dory 30 Cutter, with an SA/D of 15.99 and 40.2 m² of canvas, offers moderate sail power suitable for relaxed cruising. 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 1976 Cape Dory 30 Cutter has a comfort ratio of 27.3 and a capsize screening value of 0.69. The ballast ratios are 42.9% for the 1979 Islander 36 and 44.4% for the 1976 Cape Dory 30 Cutter, 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 1976 Cape Dory 30 Cutter offers 5 berths in 1 cabin with 76L water and 57L fuel capacity.

Verdict

For cruising: The 1976 Cape Dory 30 Cutter 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

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