1979 Irwin 25 vs Bavaria Cruiser 34 — Comparison

1979 Irwin 25 1979 Irwin 25
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Bavaria Cruiser 34 Bavaria Cruiser 34

Specifications Side by Side

Specification 1979 Irwin 25 Bavaria Cruiser 34
General
Manufacturer Irwin Bavaria
Year 1979–1984 2010–2017
Type Sloop Sloop
Country USA Germany
Designer Ted Irwin Farr Yacht Design
Dimensions
LOA 7.62 m (25.0 ft) 10.25 m (33.6 ft)
LWL 6.10 m (20.0 ft) 9.15 m (30.0 ft)
Beam 2.59 m (8.5 ft) 3.42 m (11.2 ft)
Draft 1.14 m (3.7 ft) 1.80 m (5.9 ft)
Weight
Displacement 2,041 kg (4,500 lbs) 5,500 kg (12,125 lbs)
Ballast 816 kg (1,799 lbs) 1,700 kg (3,748 lbs)
Sailing
Sail Area 25.8 m² (278 ft²) 50.0 m² (538 ft²)
Hull Material Fiberglass Fiberglass
Keel Type Fin Fin
Engine & Tanks
Engine 10 HP 18 HP
Fuel Capacity 30 L (7.9 gal) 90 L (23.8 gal)
Water Capacity 38 L (10.0 gal) 180 L (47.6 gal)
Accommodation
Berths 5 6
Cabins 1 2

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1979 Irwin 25
16.30
Bavaria Cruiser 34
16.30
Ballast Ratio (Higher = more stability)
1979 Irwin 25
39.98
Bavaria Cruiser 34
30.91
Capsize Ratio (Lower = safer offshore)
1979 Irwin 25
0.82
Bavaria Cruiser 34
0.78
Comfort Ratio (Higher = gentler motion)
1979 Irwin 25
20.55
Bavaria Cruiser 34
18.28

Detailed Comparison

The 1979 Irwin 25 and Bavaria Cruiser 34 represent two takes on sloop-rigged sailing. The 1979 Irwin 25 is a 1970s design by Irwin from USA, while the Bavaria Cruiser 34 is a modern offering from Bavaria from Germany. The 1979 Irwin 25 was penned by Ted Irwin. The Bavaria Cruiser 34 was designed by Farr Yacht Design.

In terms of size, the 1979 Irwin 25 measures 7.62m (25.0ft) overall with a beam of 2.59m, compared to the Bavaria Cruiser 34 at 10.25m (33.6ft) with a 3.42m beam. The Bavaria Cruiser 34 is 2.63m longer than the 1979 Irwin 25. The Bavaria Cruiser 34 displaces approximately 169% 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 Bavaria Cruiser 34, with an SA/D of 16.30 and 50.0 m² of canvas, offers moderate sail power suitable for relaxed cruising. The Bavaria Cruiser 34 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 Bavaria Cruiser 34 has a comfort ratio of 18.3 and a capsize screening value of 0.78. The ballast ratios are 40.0% for the 1979 Irwin 25 and 30.9% for the Bavaria Cruiser 34, 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 Bavaria Cruiser 34 offers 6 berths in 2 cabins with 180L water and 90L 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 Bavaria Cruiser 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 Bavaria Cruiser 34 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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