1989 J/35 vs 1987 Cape Dory 40 — Comparison

1989 J/35
VS
1987 Cape Dory 40

Specifications Side by Side

Specification1989 J/351987 Cape Dory 40
General
ManufacturerJ/BoatsCape Dory
Year1989–19931987–1992
TypeSloopSloop
CountryUSAUSA
DesignerRod JohnstoneCarl Alberg
Dimensions
LOA10.67 m (35.0 ft)12.19 m (40.0 ft)
LWL9.14 m (30.0 ft)9.45 m (31.0 ft)
Beam3.43 m (11.3 ft)3.66 m (12.0 ft)
Draft1.98 m (6.5 ft)1.68 m (5.5 ft)
Weight
Displacement5,216 kg (11,499 lbs)8,618 kg (18,999 lbs)
Ballast2,268 kg (5,000 lbs)3,629 kg (8,001 lbs)
Sailing
Sail Area57.6 m² (620 ft²)64.5 m² (694 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFull
Engine & Tanks
Engine18 HP40 HP
Fuel Capacity57 L (15.1 gal)151 L (39.9 gal)
Water Capacity76 L (20.1 gal)284 L (75.0 gal)
Accommodation
Berths67
Cabins22

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1989 J/35
19.46
1987 Cape Dory 40
15.59
Ballast Ratio (Higher = more stability)
1989 J/35
43.48
1987 Cape Dory 40
42.11
Capsize Ratio (Lower = safer offshore)
1989 J/35
0.79
1987 Cape Dory 40
0.72
Comfort Ratio (Higher = gentler motion)
1989 J/35
16.84
1987 Cape Dory 40
22.29

Detailed Comparison

The 1989 J/35 and 1987 Cape Dory 40 represent two takes on sloop-rigged sailing. The 1989 J/35 is a 1980s design by J/Boats from USA, while the 1987 Cape Dory 40 is a 1980s offering from Cape Dory from USA. The 1989 J/35 was penned by Rod Johnstone. The 1987 Cape Dory 40 was designed by Carl Alberg.

In terms of size, the 1989 J/35 measures 10.67m (35.0ft) overall with a beam of 3.43m, compared to the 1987 Cape Dory 40 at 12.19m (40.0ft) with a 3.66m beam. The 1987 Cape Dory 40 is 1.52m longer than the 1989 J/35. The 1987 Cape Dory 40 displaces approximately 65% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 1989 J/35 has good sail power for versatile performance with an SA/D ratio of 19.46 and 57.6 m² of sail area. The 1987 Cape Dory 40, with an SA/D of 15.59 and 64.5 m² of canvas, offers moderate sail power suitable for relaxed cruising. The 1989 J/35 has the edge in terms of raw sailing performance.

For comfort and safety, the 1989 J/35 offers a firm, racing-oriented motion (comfort ratio: 16.8) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.79). The 1987 Cape Dory 40 has a comfort ratio of 22.3 and a capsize screening value of 0.72. The ballast ratios are 43.5% for the 1989 J/35 and 42.1% for the 1987 Cape Dory 40, reflecting their respective approaches to stability.

Below deck, the 1989 J/35 provides 6 berths in 2 cabins with 76L of water capacity and 57L of fuel. The 1987 Cape Dory 40 offers 7 berths in 2 cabins with 284L water and 151L fuel capacity.

Verdict

For cruising: The 1987 Cape Dory 40 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 1989 J/35 has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.

For liveaboard: The 1987 Cape Dory 40 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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