1990 Dehler 31 vs 1998 Island Packet 37 — Comparison

1990 Dehler 31
VS
1998 Island Packet 37

Specifications Side by Side

Specification1990 Dehler 311998 Island Packet 37
General
ManufacturerDehlerIsland Packet
Year1990–19961998–2005
TypeSloopCutter
CountryGermanyUSA
DesignerJudel/VrolijkBob Johnson
Dimensions
LOA9.45 m (31.0 ft)11.28 m (37.0 ft)
LWL8.08 m (26.5 ft)9.45 m (31.0 ft)
Beam3.13 m (10.3 ft)3.66 m (12.0 ft)
Draft1.65 m (5.4 ft)1.37 m (4.5 ft)
Weight
Displacement3,900 kg (8,598 lbs)8,165 kg (18,001 lbs)
Ballast1,560 kg (3,439 lbs)3,266 kg (7,200 lbs)
Sailing
Sail Area44.0 m² (474 ft²)58.0 m² (624 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFull
Engine & Tanks
Engine15 HP40 HP
Fuel Capacity60 L (15.9 gal)170 L (44.9 gal)
Water Capacity100 L (26.4 gal)303 L (80.0 gal)
Accommodation
Berths56
Cabins22

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1990 Dehler 31
18.05
1998 Island Packet 37
14.53
Ballast Ratio (Higher = more stability)
1990 Dehler 31
40.00
1998 Island Packet 37
40.00
Capsize Ratio (Lower = safer offshore)
1990 Dehler 31
0.80
1998 Island Packet 37
0.73
Comfort Ratio (Higher = gentler motion)
1990 Dehler 31
18.18
1998 Island Packet 37
22.28

Detailed Comparison

The 1990 Dehler 31 and 1998 Island Packet 37 represent different approaches to sailboat design. The 1990 Dehler 31 is a 1990s design by Dehler from Germany, while the 1998 Island Packet 37 is a 1990s offering from Island Packet from USA. The 1990 Dehler 31 was penned by Judel/Vrolijk. The 1998 Island Packet 37 was designed by Bob Johnson.

In terms of size, the 1990 Dehler 31 measures 9.45m (31.0ft) overall with a beam of 3.13m, compared to the 1998 Island Packet 37 at 11.28m (37.0ft) with a 3.66m beam. The 1998 Island Packet 37 is 1.83m longer than the 1990 Dehler 31. The 1998 Island Packet 37 displaces approximately 109% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 1990 Dehler 31 has good sail power for versatile performance with an SA/D ratio of 18.05 and 44.0 m² of sail area. The 1998 Island Packet 37, with an SA/D of 14.53 and 58.0 m² of canvas, offers modest sail power for its displacement. The 1990 Dehler 31 has the edge in terms of raw sailing performance.

For comfort and safety, the 1990 Dehler 31 offers a firm, racing-oriented motion (comfort ratio: 18.2) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.80). The 1998 Island Packet 37 has a comfort ratio of 22.3 and a capsize screening value of 0.73. The ballast ratios are 40.0% for the 1990 Dehler 31 and 40.0% for the 1998 Island Packet 37, reflecting their respective approaches to stability.

Below deck, the 1990 Dehler 31 provides 5 berths in 2 cabins with 100L of water capacity and 60L of fuel. The 1998 Island Packet 37 offers 6 berths in 2 cabins with 303L water and 170L fuel capacity.

Verdict

For cruising: The 1998 Island Packet 37 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 Dehler 31 has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.

For liveaboard: The 1998 Island Packet 37 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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Or view individual specs: 1990 Dehler 31 · 1998 Island Packet 37