1986 J/28 vs 1975 Cape Dory Typhoon — Comparison

1986 J/28
VS
1975 Cape Dory Typhoon1975 Cape Dory Typhoon

Specifications Side by Side

Specification1986 J/281975 Cape Dory Typhoon
General
ManufacturerJ/BoatsCape Dory
Year1986–19901975–1988
TypeSloopSloop
CountryUSAUSA
DesignerRod JohnstoneCarl Alberg
Dimensions
LOA8.66 m (28.4 ft)5.79 m (19.0 ft)
LWL7.32 m (24.0 ft)4.57 m (15.0 ft)
Beam3.05 m (10.0 ft)1.83 m (6.0 ft)
Draft1.68 m (5.5 ft)0.76 m (2.5 ft)
Weight
Displacement2,948 kg (6,499 lbs)680 kg (1,499 lbs)
Ballast1,361 kg (3,000 lbs)272 kg (600 lbs)
Sailing
Sail Area37.6 m² (405 ft²)10.6 m² (114 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFull
Engine & Tanks
Engine12 HP5 HP
Fuel Capacity38 L (10.0 gal)8 L (2.1 gal)
Water Capacity57 L (15.1 gal)15 L (4.0 gal)
Accommodation
Berths52
Cabins11

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1986 J/28
18.59
1975 Cape Dory Typhoon
13.94
Ballast Ratio (Higher = more stability)
1986 J/28
46.17
1975 Cape Dory Typhoon
40.00
Capsize Ratio (Lower = safer offshore)
1986 J/28
0.85
1975 Cape Dory Typhoon
0.83
Comfort Ratio (Higher = gentler motion)
1986 J/28
17.20
1975 Cape Dory Typhoon
19.19

Detailed Comparison

The 1986 J/28 and 1975 Cape Dory Typhoon represent two takes on sloop-rigged sailing. The 1986 J/28 is a 1980s design by J/Boats from USA, while the 1975 Cape Dory Typhoon is a 1970s offering from Cape Dory from USA. The 1986 J/28 was penned by Rod Johnstone. The 1975 Cape Dory Typhoon was designed by Carl Alberg.

In terms of size, the 1986 J/28 measures 8.66m (28.4ft) overall with a beam of 3.05m, compared to the 1975 Cape Dory Typhoon at 5.79m (19.0ft) with a 1.83m beam. The 1986 J/28 is 2.87m longer than the 1975 Cape Dory Typhoon. The 1986 J/28 displaces approximately 334% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 1986 J/28 has good sail power for versatile performance with an SA/D ratio of 18.59 and 37.6 m² of sail area. The 1975 Cape Dory Typhoon, with an SA/D of 13.94 and 10.6 m² of canvas, offers modest sail power for its displacement. The 1986 J/28 has the edge in terms of raw sailing performance.

For comfort and safety, the 1986 J/28 offers a firm, racing-oriented motion (comfort ratio: 17.2) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.85). The 1975 Cape Dory Typhoon has a comfort ratio of 19.2 and a capsize screening value of 0.83. The ballast ratios are 46.2% for the 1986 J/28 and 40.0% for the 1975 Cape Dory Typhoon, reflecting their respective approaches to stability.

Below deck, the 1986 J/28 provides 5 berths in 1 cabin with 57L of water capacity and 38L of fuel. The 1975 Cape Dory Typhoon offers 2 berths in 1 cabin with 15L water and 8L fuel capacity.

Verdict

For cruising: The 1975 Cape Dory Typhoon 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 1986 J/28 has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.

For liveaboard: The 1986 J/28 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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