1970 Irwin 34 vs 1972 Ericson 32 — Comparison

1970 Irwin 34
VS
1972 Ericson 321972 Ericson 32

Specifications Side by Side

Specification1970 Irwin 341972 Ericson 32
General
ManufacturerIrwinEricson
Year1970–19781972–1978
TypeSloopSloop
CountryUSAUSA
DesignerTed IrwinBruce King
Dimensions
LOA10.36 m (34.0 ft)9.75 m (32.0 ft)
LWL8.23 m (27.0 ft)7.62 m (25.0 ft)
Beam3.20 m (10.5 ft)3.05 m (10.0 ft)
Draft1.52 m (5.0 ft)1.52 m (5.0 ft)
Weight
Displacement5,443 kg (12,000 lbs)4,309 kg (9,500 lbs)
Ballast2,177 kg (4,799 lbs)1,814 kg (3,999 lbs)
Sailing
Sail Area47.9 m² (516 ft²)39.0 m² (420 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFullFin
Engine & Tanks
Engine18 HP15 HP
Fuel Capacity76 L (20.1 gal)57 L (15.1 gal)
Water Capacity114 L (30.1 gal)95 L (25.1 gal)
Accommodation
Berths66
Cabins22

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1970 Irwin 34
15.73
1972 Ericson 32
14.97
Ballast Ratio (Higher = more stability)
1970 Irwin 34
40.00
1972 Ericson 32
42.10
Capsize Ratio (Lower = safer offshore)
1970 Irwin 34
0.73
1972 Ericson 32
0.75
Comfort Ratio (Higher = gentler motion)
1970 Irwin 34
22.58
1972 Ericson 32
21.98

Detailed Comparison

The 1970 Irwin 34 and 1972 Ericson 32 represent two takes on sloop-rigged sailing. The 1970 Irwin 34 is a 1970s design by Irwin from USA, while the 1972 Ericson 32 is a 1970s offering from Ericson from USA. The 1970 Irwin 34 was penned by Ted Irwin. The 1972 Ericson 32 was designed by Bruce King.

In terms of size, the 1970 Irwin 34 measures 10.36m (34.0ft) overall with a beam of 3.20m, compared to the 1972 Ericson 32 at 9.75m (32.0ft) with a 3.05m beam. The 1970 Irwin 34 is 0.61m longer than the 1972 Ericson 32. The 1970 Irwin 34 displaces approximately 26% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 1970 Irwin 34 has moderate sail power suitable for relaxed cruising with an SA/D ratio of 15.73 and 47.9 m² of sail area. The 1972 Ericson 32, with an SA/D of 14.97 and 39.0 m² of canvas, offers modest sail power for its displacement. The 1970 Irwin 34 has the edge in terms of raw sailing performance.

For comfort and safety, the 1970 Irwin 34 offers a moderate motion comfort level (comfort ratio: 22.6) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.73). The 1972 Ericson 32 has a comfort ratio of 22.0 and a capsize screening value of 0.75. The ballast ratios are 40.0% for the 1970 Irwin 34 and 42.1% for the 1972 Ericson 32, reflecting their respective approaches to stability.

Below deck, the 1970 Irwin 34 provides 6 berths in 2 cabins with 114L of water capacity and 76L of fuel. The 1972 Ericson 32 offers 6 berths in 2 cabins with 95L water and 57L fuel capacity.

Verdict

For cruising: The 1970 Irwin 34 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 1970 Irwin 34 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

Looking for a different matchup? Browse All Boats

Or view individual specs: 1970 Irwin 34 · 1972 Ericson 32