2003 Catalina 310 vs 1975 Ericson 25+ — Comparison
2003 Catalina 310
1975 Ericson 25+
Specifications Side by Side
| Specification | 2003 Catalina 310 | 1975 Ericson 25+ |
|---|---|---|
| General | ||
| Manufacturer | Catalina | Ericson |
| Year | 2003–2007 | 1975–1982 |
| Type | Sloop | Sloop |
| Country | USA | USA |
| Designer | Gerry Douglas | Bruce King |
| Dimensions | ||
| LOA | 9.45 m (31.0 ft) | 7.62 m (25.0 ft) |
| LWL | 8.38 m (27.5 ft) | 6.25 m (20.5 ft) |
| Beam | 3.30 m (10.8 ft) | 2.44 m (8.0 ft) |
| Draft | 1.52 m (5.0 ft) | 1.22 m (4.0 ft) |
| Weight | ||
| Displacement | 4,536 kg (10,000 lbs) | 1,905 kg (4,200 lbs) |
| Ballast | 1,814 kg (3,999 lbs) | 726 kg (1,601 lbs) |
| Sailing | ||
| Sail Area | 45.3 m² (488 ft²) | 25.0 m² (269 ft²) |
| Hull Material | Fiberglass | Fiberglass |
| Keel Type | Fin | Fin |
| Engine & Tanks | ||
| Engine | 18 HP | 7 HP |
| Fuel Capacity | 76 L (20.1 gal) | 23 L (6.1 gal) |
| Water Capacity | 114 L (30.1 gal) | 45 L (11.9 gal) |
| Accommodation | ||
| Berths | 6 | 4 |
| Cabins | 2 | 1 |
Performance Comparison
Detailed Comparison
The 2003 Catalina 310 and 1975 Ericson 25+ represent two takes on sloop-rigged sailing. The 2003 Catalina 310 is a 2000s design by Catalina from USA, while the 1975 Ericson 25+ is a 1970s offering from Ericson from USA. The 2003 Catalina 310 was penned by Gerry Douglas. The 1975 Ericson 25+ was designed by Bruce King.
In terms of size, the 2003 Catalina 310 measures 9.45m (31.0ft) overall with a beam of 3.30m, compared to the 1975 Ericson 25+ at 7.62m (25.0ft) with a 2.44m beam. The 2003 Catalina 310 is 1.83m longer than the 1975 Ericson 25+. The 2003 Catalina 310 displaces approximately 138% more than its counterpart, which significantly affects how each boat handles in different sea states.
Looking at performance, the 2003 Catalina 310 has moderate sail power suitable for relaxed cruising with an SA/D ratio of 16.80 and 45.3 m² of sail area. The 1975 Ericson 25+, with an SA/D of 16.54 and 25.0 m² of canvas, offers moderate sail power suitable for relaxed cruising. The 2003 Catalina 310 has the edge in terms of raw sailing performance.
For comfort and safety, the 2003 Catalina 310 offers a firm, racing-oriented motion (comfort ratio: 18.8) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.80). The 1975 Ericson 25+ has a comfort ratio of 20.1 and a capsize screening value of 0.79. The ballast ratios are 40.0% for the 2003 Catalina 310 and 38.1% for the 1975 Ericson 25+, reflecting their respective approaches to stability.
Below deck, the 2003 Catalina 310 provides 6 berths in 2 cabins with 114L of water capacity and 76L of fuel. The 1975 Ericson 25+ offers 4 berths in 1 cabin with 45L water and 23L fuel capacity.
Verdict
For cruising: The 1975 Ericson 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 2003 Catalina 310 has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.
For liveaboard: The 2003 Catalina 310 offers more sleeping accommodation, making it better suited for extended living aboard. Consider water and fuel capacity for extended stays away from marinas.