1974 Tartan 27 vs Catalina 315 — Comparison
1974 Tartan 27
Catalina 315
Specifications Side by Side
| Specification | 1974 Tartan 27 | Catalina 315 |
|---|---|---|
| General | ||
| Manufacturer | Tartan | Catalina |
| Year | 1974–1980 | 2014 |
| Type | Sloop | Sloop |
| Country | USA | USA |
| Designer | Sparkman & Stephens | Gerry Douglas |
| Dimensions | ||
| LOA | 8.23 m (27.0 ft) | 9.45 m (31.0 ft) |
| LWL | 6.40 m (21.0 ft) | 8.61 m (28.2 ft) |
| Beam | 2.69 m (8.8 ft) | 3.20 m (10.5 ft) |
| Draft | 1.22 m (4.0 ft) | 1.68 m (5.5 ft) |
| Weight | ||
| Displacement | 2,948 kg (6,499 lbs) | 4,536 kg (10,000 lbs) |
| Ballast | 1,361 kg (3,000 lbs) | 1,814 kg (3,999 lbs) |
| Sailing | ||
| Sail Area | 33.5 m² (361 ft²) | 44.0 m² (474 ft²) |
| Hull Material | Fiberglass | Fiberglass |
| Keel Type | Fin | Fin |
| Engine & Tanks | ||
| Engine | 10 HP | 21 HP |
| Fuel Capacity | 38 L (10.0 gal) | 76 L (20.1 gal) |
| Water Capacity | 57 L (15.1 gal) | 132 L (34.9 gal) |
| Accommodation | ||
| Berths | 5 | 5 |
| Cabins | 1 | 1 |
Performance Comparison
Detailed Comparison
The 1974 Tartan 27 and Catalina 315 represent two takes on sloop-rigged sailing. The 1974 Tartan 27 is a 1970s design by Tartan from USA, while the Catalina 315 is a modern offering from Catalina from USA. The 1974 Tartan 27 was penned by Sparkman & Stephens. The Catalina 315 was designed by Gerry Douglas.
In terms of size, the 1974 Tartan 27 measures 8.23m (27.0ft) overall with a beam of 2.69m, compared to the Catalina 315 at 9.45m (31.0ft) with a 3.20m beam. The Catalina 315 is 1.22m longer than the 1974 Tartan 27. The Catalina 315 displaces approximately 54% more than its counterpart, which significantly affects how each boat handles in different sea states.
Looking at performance, the 1974 Tartan 27 has moderate sail power suitable for relaxed cruising with an SA/D ratio of 16.56 and 33.5 m² of sail area. The Catalina 315, with an SA/D of 16.32 and 44.0 m² of canvas, offers moderate sail power suitable for relaxed cruising. The 1974 Tartan 27 has the edge in terms of raw sailing performance.
For comfort and safety, the 1974 Tartan 27 offers a moderate motion comfort level (comfort ratio: 25.1) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.75). The Catalina 315 has a comfort ratio of 18.9 and a capsize screening value of 0.77. The ballast ratios are 46.2% for the 1974 Tartan 27 and 40.0% for the Catalina 315, reflecting their respective approaches to stability.
Below deck, the 1974 Tartan 27 provides 5 berths in 1 cabin with 57L of water capacity and 38L of fuel. The Catalina 315 offers 5 berths in 1 cabin with 132L water and 76L fuel capacity.
Verdict
For cruising: The 1974 Tartan 27 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 1974 Tartan 27 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.