1990 J/40 vs 1988 Westerly Corsair — Comparison

1990 J/40
VS
1988 Westerly Corsair1988 Westerly Corsair

Specifications Side by Side

Specification1990 J/401988 Westerly Corsair
General
ManufacturerJ/BoatsWesterly
Year1990–19951988–1994
TypeSloopSloop
CountryUSAUK
DesignerRod JohnstoneEd Dubois
Dimensions
LOA12.30 m (40.4 ft)11.00 m (36.1 ft)
LWL10.21 m (33.5 ft)9.14 m (30.0 ft)
Beam3.65 m (12.0 ft)3.50 m (11.5 ft)
Draft2.08 m (6.8 ft)1.07 m (3.5 ft)
Weight
Displacement7,711 kg (17,000 lbs)6,350 kg (13,999 lbs)
Ballast3,402 kg (7,500 lbs)2,450 kg (5,401 lbs)
Sailing
Sail Area72.5 m² (780 ft²)50.0 m² (538 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinBilge
Engine & Tanks
Engine35 HP28 HP
Fuel Capacity114 L (30.1 gal)100 L (26.4 gal)
Water Capacity189 L (49.9 gal)200 L (52.8 gal)
Accommodation
Berths67
Cabins23

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1990 J/40
18.87
1988 Westerly Corsair
14.81
Ballast Ratio (Higher = more stability)
1990 J/40
44.12
1988 Westerly Corsair
38.58
Capsize Ratio (Lower = safer offshore)
1990 J/40
0.74
1988 Westerly Corsair
0.76
Comfort Ratio (Higher = gentler motion)
1990 J/40
17.98
1988 Westerly Corsair
19.55

Detailed Comparison

The 1990 J/40 and 1988 Westerly Corsair represent two takes on sloop-rigged sailing. The 1990 J/40 is a 1990s design by J/Boats from USA, while the 1988 Westerly Corsair is a 1980s offering from Westerly from UK. The 1990 J/40 was penned by Rod Johnstone. The 1988 Westerly Corsair was designed by Ed Dubois.

In terms of size, the 1990 J/40 measures 12.30m (40.4ft) overall with a beam of 3.65m, compared to the 1988 Westerly Corsair at 11.00m (36.1ft) with a 3.50m beam. The 1990 J/40 is 1.30m longer than the 1988 Westerly Corsair. The 1990 J/40 displaces approximately 21% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 1990 J/40 has good sail power for versatile performance with an SA/D ratio of 18.87 and 72.5 m² of sail area. The 1988 Westerly Corsair, with an SA/D of 14.81 and 50.0 m² of canvas, offers modest sail power for its displacement. The 1990 J/40 has the edge in terms of raw sailing performance.

For comfort and safety, the 1990 J/40 offers a firm, racing-oriented motion (comfort ratio: 18.0) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.74). The 1988 Westerly Corsair has a comfort ratio of 19.6 and a capsize screening value of 0.76. The ballast ratios are 44.1% for the 1990 J/40 and 38.6% for the 1988 Westerly Corsair, reflecting their respective approaches to stability.

Below deck, the 1990 J/40 provides 6 berths in 2 cabins with 189L of water capacity and 114L of fuel. The 1988 Westerly Corsair offers 7 berths in 3 cabins with 200L water and 100L fuel capacity.

Verdict

For cruising: The 1988 Westerly Corsair 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 1990 J/40 has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.

For liveaboard: The 1988 Westerly Corsair 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

Looking for a different matchup? Browse All Boats

Or view individual specs: 1990 J/40 · 1988 Westerly Corsair