1984 Dehler 25 vs 1983 Pearson 31 — Comparison

1984 Dehler 25
VS
1983 Pearson 311983 Pearson 31

Specifications Side by Side

Specification1984 Dehler 251983 Pearson 31
General
ManufacturerDehlerPearson
Year1984–19921983–1990
TypeSloopSloop
CountryGermanyUSA
DesignerE.G. van de StadtWilliam Shaw
Dimensions
LOA7.50 m (24.6 ft)9.45 m (31.0 ft)
LWL6.30 m (20.7 ft)7.77 m (25.5 ft)
Beam2.50 m (8.2 ft)3.10 m (10.2 ft)
Draft1.35 m (4.4 ft)1.52 m (5.0 ft)
Weight
Displacement1,800 kg (3,968 lbs)4,309 kg (9,500 lbs)
Ballast680 kg (1,499 lbs)1,814 kg (3,999 lbs)
Sailing
Sail Area22.5 m² (242 ft²)40.0 m² (431 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine8 HP18 HP
Fuel Capacity25 L (6.6 gal)68 L (18.0 gal)
Water Capacity40 L (10.6 gal)114 L (30.1 gal)
Accommodation
Berths46
Cabins12

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1984 Dehler 25
15.46
1983 Pearson 31
15.35
Ballast Ratio (Higher = more stability)
1984 Dehler 25
37.78
1983 Pearson 31
42.10
Capsize Ratio (Lower = safer offshore)
1984 Dehler 25
0.82
1983 Pearson 31
0.76
Comfort Ratio (Higher = gentler motion)
1984 Dehler 25
18.41
1983 Pearson 31
21.43

Detailed Comparison

The 1984 Dehler 25 and 1983 Pearson 31 represent two takes on sloop-rigged sailing. The 1984 Dehler 25 is a 1980s design by Dehler from Germany, while the 1983 Pearson 31 is a 1980s offering from Pearson from USA. The 1984 Dehler 25 was penned by E.G. van de Stadt. The 1983 Pearson 31 was designed by William Shaw.

In terms of size, the 1984 Dehler 25 measures 7.50m (24.6ft) overall with a beam of 2.50m, compared to the 1983 Pearson 31 at 9.45m (31.0ft) with a 3.10m beam. The 1983 Pearson 31 is 1.95m longer than the 1984 Dehler 25. The 1983 Pearson 31 displaces approximately 139% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 1984 Dehler 25 has moderate sail power suitable for relaxed cruising with an SA/D ratio of 15.46 and 22.5 m² of sail area. The 1983 Pearson 31, with an SA/D of 15.35 and 40.0 m² of canvas, offers moderate sail power suitable for relaxed cruising. The 1984 Dehler 25 has the edge in terms of raw sailing performance.

For comfort and safety, the 1984 Dehler 25 offers a firm, racing-oriented motion (comfort ratio: 18.4) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.82). The 1983 Pearson 31 has a comfort ratio of 21.4 and a capsize screening value of 0.76. The ballast ratios are 37.8% for the 1984 Dehler 25 and 42.1% for the 1983 Pearson 31, reflecting their respective approaches to stability.

Below deck, the 1984 Dehler 25 provides 4 berths in 1 cabin with 40L of water capacity and 25L of fuel. The 1983 Pearson 31 offers 6 berths in 2 cabins with 114L water and 68L fuel capacity.

Verdict

For cruising: The 1983 Pearson 31 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 1984 Dehler 25 has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.

For liveaboard: The 1983 Pearson 31 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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