1979 Irwin 25 vs 2000 Hallberg-Rassy 31 — Comparison

1979 Irwin 25 1979 Irwin 25
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2000 Hallberg-Rassy 31 2000 Hallberg-Rassy 31

Specifications Side by Side

Specification 1979 Irwin 25 2000 Hallberg-Rassy 31
General
Manufacturer Irwin Hallberg-Rassy
Year 1979–1984 2000–2010
Type Sloop Sloop
Country USA Sweden
Designer Ted Irwin German Frers
Dimensions
LOA 7.62 m (25.0 ft) 9.47 m (31.1 ft)
LWL 6.10 m (20.0 ft) 8.25 m (27.1 ft)
Beam 2.59 m (8.5 ft) 3.18 m (10.4 ft)
Draft 1.14 m (3.7 ft) 1.60 m (5.2 ft)
Weight
Displacement 2,041 kg (4,500 lbs) 4,600 kg (10,141 lbs)
Ballast 816 kg (1,799 lbs) 1,850 kg (4,079 lbs)
Sailing
Sail Area 25.8 m² (278 ft²) 44.5 m² (479 ft²)
Hull Material Fiberglass Fiberglass
Keel Type Fin Fin
Engine & Tanks
Engine 10 HP 21 HP
Fuel Capacity 30 L (7.9 gal) 80 L (21.1 gal)
Water Capacity 38 L (10.0 gal) 140 L (37.0 gal)
Accommodation
Berths 5 5
Cabins 1 2

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1979 Irwin 25
16.30
2000 Hallberg-Rassy 31
16.35
Ballast Ratio (Higher = more stability)
1979 Irwin 25
39.98
2000 Hallberg-Rassy 31
40.22
Capsize Ratio (Lower = safer offshore)
1979 Irwin 25
0.82
2000 Hallberg-Rassy 31
0.77
Comfort Ratio (Higher = gentler motion)
1979 Irwin 25
20.55
2000 Hallberg-Rassy 31
20.39

Detailed Comparison

The 1979 Irwin 25 and 2000 Hallberg-Rassy 31 represent two takes on sloop-rigged sailing. The 1979 Irwin 25 is a 1970s design by Irwin from USA, while the 2000 Hallberg-Rassy 31 is a 2000s offering from Hallberg-Rassy from Sweden. The 1979 Irwin 25 was penned by Ted Irwin. The 2000 Hallberg-Rassy 31 was designed by German Frers.

In terms of size, the 1979 Irwin 25 measures 7.62m (25.0ft) overall with a beam of 2.59m, compared to the 2000 Hallberg-Rassy 31 at 9.47m (31.1ft) with a 3.18m beam. The 2000 Hallberg-Rassy 31 is 1.85m longer than the 1979 Irwin 25. The 2000 Hallberg-Rassy 31 displaces approximately 125% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 1979 Irwin 25 has moderate sail power suitable for relaxed cruising with an SA/D ratio of 16.30 and 25.8 m² of sail area. The 2000 Hallberg-Rassy 31, with an SA/D of 16.35 and 44.5 m² of canvas, offers moderate sail power suitable for relaxed cruising. The 2000 Hallberg-Rassy 31 has the edge in terms of raw sailing performance.

For comfort and safety, the 1979 Irwin 25 offers a moderate motion comfort level (comfort ratio: 20.6) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.82). The 2000 Hallberg-Rassy 31 has a comfort ratio of 20.4 and a capsize screening value of 0.77. The ballast ratios are 40.0% for the 1979 Irwin 25 and 40.2% for the 2000 Hallberg-Rassy 31, reflecting their respective approaches to stability.

Below deck, the 1979 Irwin 25 provides 5 berths in 1 cabin with 38L of water capacity and 30L of fuel. The 2000 Hallberg-Rassy 31 offers 5 berths in 2 cabins with 140L water and 80L fuel capacity.

Verdict

For cruising: The 1979 Irwin 25 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 2000 Hallberg-Rassy 31 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.

Compare Different Boats

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