1979 Irwin 25 vs 1978 Sabre 30 — Comparison

1979 Irwin 251979 Irwin 25
VS
1978 Sabre 301978 Sabre 30

Specifications Side by Side

Specification1979 Irwin 251978 Sabre 30
General
ManufacturerIrwinSabre
Year1979–19841978–1985
TypeSloopSloop
CountryUSAUSA
DesignerTed IrwinRoger Hewson
Dimensions
LOA7.62 m (25.0 ft)9.14 m (30.0 ft)
LWL6.10 m (20.0 ft)7.47 m (24.5 ft)
Beam2.59 m (8.5 ft)2.97 m (9.7 ft)
Draft1.14 m (3.7 ft)1.37 m (4.5 ft)
Weight
Displacement2,041 kg (4,500 lbs)3,629 kg (8,001 lbs)
Ballast816 kg (1,799 lbs)1,451 kg (3,199 lbs)
Sailing
Sail Area25.8 m² (278 ft²)37.0 m² (398 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine10 HP15 HP
Fuel Capacity30 L (7.9 gal)45 L (11.9 gal)
Water Capacity38 L (10.0 gal)76 L (20.1 gal)
Accommodation
Berths55
Cabins12

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1979 Irwin 25
16.30
1978 Sabre 30
15.92
Ballast Ratio (Higher = more stability)
1979 Irwin 25
39.98
1978 Sabre 30
39.98
Capsize Ratio (Lower = safer offshore)
1979 Irwin 25
0.82
1978 Sabre 30
0.77
Comfort Ratio (Higher = gentler motion)
1979 Irwin 25
20.55
1978 Sabre 30
20.59

Detailed Comparison

The 1979 Irwin 25 and 1978 Sabre 30 represent two takes on sloop-rigged sailing. The 1979 Irwin 25 is a 1970s design by Irwin from USA, while the 1978 Sabre 30 is a 1970s offering from Sabre from USA. The 1979 Irwin 25 was penned by Ted Irwin. The 1978 Sabre 30 was designed by Roger Hewson.

In terms of size, the 1979 Irwin 25 measures 7.62m (25.0ft) overall with a beam of 2.59m, compared to the 1978 Sabre 30 at 9.14m (30.0ft) with a 2.97m beam. The 1978 Sabre 30 is 1.52m longer than the 1979 Irwin 25. The 1978 Sabre 30 displaces approximately 78% 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 1978 Sabre 30, with an SA/D of 15.92 and 37.0 m² of canvas, offers moderate sail power suitable for relaxed cruising. The 1979 Irwin 25 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 1978 Sabre 30 has a comfort ratio of 20.6 and a capsize screening value of 0.77. The ballast ratios are 40.0% for the 1979 Irwin 25 and 40.0% for the 1978 Sabre 30, 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 1978 Sabre 30 offers 5 berths in 2 cabins with 76L water and 45L fuel capacity.

Verdict

For cruising: The 1978 Sabre 30 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 1979 Irwin 25 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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