2005 Dehler 34 vs 1991 Westerly Seahawk — Comparison

2005 Dehler 34 2005 Dehler 34
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1991 Westerly Seahawk 1991 Westerly Seahawk

Specifications Side by Side

Specification 2005 Dehler 34 1991 Westerly Seahawk
General
Manufacturer Dehler Westerly
Year 2005–2012 1991–1997
Type Sloop Sloop
Country Germany UK
Designer Judel/Vrolijk Ed Dubois
Dimensions
LOA 10.30 m (33.8 ft) 10.36 m (34.0 ft)
LWL 9.10 m (29.9 ft) 8.53 m (28.0 ft)
Beam 3.25 m (10.7 ft) 3.35 m (11.0 ft)
Draft 1.80 m (5.9 ft) 1.80 m (5.9 ft)
Weight
Displacement 4,800 kg (10,582 lbs) 6,123 kg (13,499 lbs)
Ballast 1,700 kg (3,748 lbs) 2,495 kg (5,501 lbs)
Sailing
Sail Area 50.0 m² (538 ft²) 48.0 m² (517 ft²)
Hull Material Fiberglass Fiberglass
Keel Type Fin Fin
Engine & Tanks
Engine 18 HP 28 HP
Fuel Capacity 50 L (13.2 gal) 114 L (30.1 gal)
Water Capacity 100 L (26.4 gal) 220 L (58.1 gal)
Accommodation
Berths 6 7
Cabins 2 3

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
2005 Dehler 34
17.85
1991 Westerly Seahawk
14.57
Ballast Ratio (Higher = more stability)
2005 Dehler 34
35.42
1991 Westerly Seahawk
40.75
Capsize Ratio (Lower = safer offshore)
2005 Dehler 34
0.77
1991 Westerly Seahawk
0.73
Comfort Ratio (Higher = gentler motion)
2005 Dehler 34
17.15
1991 Westerly Seahawk
22.81

Detailed Comparison

The 2005 Dehler 34 and 1991 Westerly Seahawk represent two takes on sloop-rigged sailing. The 2005 Dehler 34 is a 2000s design by Dehler from Germany, while the 1991 Westerly Seahawk is a 1990s offering from Westerly from UK. The 2005 Dehler 34 was penned by Judel/Vrolijk. The 1991 Westerly Seahawk was designed by Ed Dubois.

In terms of size, the 2005 Dehler 34 measures 10.30m (33.8ft) overall with a beam of 3.25m, compared to the 1991 Westerly Seahawk at 10.36m (34.0ft) with a 3.35m beam. The 1991 Westerly Seahawk is 0.06m longer than the 2005 Dehler 34. The 1991 Westerly Seahawk displaces approximately 28% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 2005 Dehler 34 has good sail power for versatile performance with an SA/D ratio of 17.85 and 50.0 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 2005 Dehler 34 has the edge in terms of raw sailing performance.

For comfort and safety, the 2005 Dehler 34 offers a firm, racing-oriented motion (comfort ratio: 17.2) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.77). The 1991 Westerly Seahawk has a comfort ratio of 22.8 and a capsize screening value of 0.73. The ballast ratios are 35.4% for the 2005 Dehler 34 and 40.8% for the 1991 Westerly Seahawk, reflecting their respective approaches to stability.

Below deck, the 2005 Dehler 34 provides 6 berths in 2 cabins with 100L of water capacity and 50L 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 2005 Dehler 34 has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.

For liveaboard: The 1991 Westerly Seahawk 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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