2003 Dehler 42 DS vs 1991 Westerly Seahawk — Comparison

2003 Dehler 42 DS
VS
1991 Westerly Seahawk1991 Westerly Seahawk

Specifications Side by Side

Specification2003 Dehler 42 DS1991 Westerly Seahawk
General
ManufacturerDehlerWesterly
Year2003–20101991–1997
TypeSloopSloop
CountryGermanyUK
DesignerJudel/VrolijkEd Dubois
Dimensions
LOA12.77 m (41.9 ft)10.36 m (34.0 ft)
LWL11.20 m (36.7 ft)8.53 m (28.0 ft)
Beam3.93 m (12.9 ft)3.35 m (11.0 ft)
Draft2.10 m (6.9 ft)1.80 m (5.9 ft)
Weight
Displacement8,800 kg (19,401 lbs)6,123 kg (13,499 lbs)
Ballast3,000 kg (6,614 lbs)2,495 kg (5,501 lbs)
Sailing
Sail Area78.0 m² (840 ft²)48.0 m² (517 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine40 HP28 HP
Fuel Capacity100 L (26.4 gal)114 L (30.1 gal)
Water Capacity200 L (52.8 gal)220 L (58.1 gal)
Accommodation
Berths77
Cabins33

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
2003 Dehler 42 DS
18.59
1991 Westerly Seahawk
14.57
Ballast Ratio (Higher = more stability)
2003 Dehler 42 DS
34.09
1991 Westerly Seahawk
40.75
Capsize Ratio (Lower = safer offshore)
2003 Dehler 42 DS
0.76
1991 Westerly Seahawk
0.73
Comfort Ratio (Higher = gentler motion)
2003 Dehler 42 DS
16.03
1991 Westerly Seahawk
22.81

Detailed Comparison

The 2003 Dehler 42 DS and 1991 Westerly Seahawk represent two takes on sloop-rigged sailing. The 2003 Dehler 42 DS is a 2000s design by Dehler from Germany, while the 1991 Westerly Seahawk is a 1990s offering from Westerly from UK. The 2003 Dehler 42 DS was penned by Judel/Vrolijk. The 1991 Westerly Seahawk was designed by Ed Dubois.

In terms of size, the 2003 Dehler 42 DS measures 12.77m (41.9ft) overall with a beam of 3.93m, compared to the 1991 Westerly Seahawk at 10.36m (34.0ft) with a 3.35m beam. The 2003 Dehler 42 DS is 2.41m longer than the 1991 Westerly Seahawk. The 2003 Dehler 42 DS displaces approximately 44% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 2003 Dehler 42 DS has good sail power for versatile performance with an SA/D ratio of 18.59 and 78.0 m² of sail area. The 1991 Westerly Seahawk, with an SA/D of 14.57 and 48.0 m² of canvas, offers modest sail power for its displacement. The 2003 Dehler 42 DS has the edge in terms of raw sailing performance.

For comfort and safety, the 2003 Dehler 42 DS offers a firm, racing-oriented motion (comfort ratio: 16.0) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.76). The 1991 Westerly Seahawk has a comfort ratio of 22.8 and a capsize screening value of 0.73. The ballast ratios are 34.1% for the 2003 Dehler 42 DS and 40.8% for the 1991 Westerly Seahawk, reflecting their respective approaches to stability.

Below deck, the 2003 Dehler 42 DS provides 7 berths in 3 cabins with 200L of water capacity and 100L of fuel. The 1991 Westerly Seahawk offers 7 berths in 3 cabins with 220L water and 114L fuel capacity.

Verdict

For cruising: The 1991 Westerly Seahawk 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 2003 Dehler 42 DS has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.

For liveaboard: Both boats provide similar accommodation, making either a viable choice for living aboard. Consider water and fuel capacity for extended stays away from marinas.

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