1978 Bristol 40 vs Dufour 470 — Comparison
1978 Bristol 40
Dufour 470
Specifications Side by Side
| Specification | 1978 Bristol 40 | Dufour 470 |
|---|---|---|
| General | ||
| Manufacturer | Bristol | Dufour |
| Year | 1978–1983 | 2018 |
| Type | Sloop | Sloop |
| Country | USA | France |
| Designer | Ted Hood | Felci Yacht Design |
| Dimensions | ||
| LOA | 12.19 m (40.0 ft) | 14.23 m (46.7 ft) |
| LWL | 9.14 m (30.0 ft) | 12.80 m (42.0 ft) |
| Beam | 3.35 m (11.0 ft) | 4.39 m (14.4 ft) |
| Draft | 1.68 m (5.5 ft) | 2.25 m (7.4 ft) |
| Weight | ||
| Displacement | 8,165 kg (18,001 lbs) | 11,200 kg (24,692 lbs) |
| Ballast | 3,402 kg (7,500 lbs) | 3,500 kg (7,716 lbs) |
| Sailing | ||
| Sail Area | 62.4 m² (672 ft²) | 94.0 m² (1,012 ft²) |
| Hull Material | Fiberglass | Fiberglass |
| Keel Type | Fin | Fin |
| Engine & Tanks | ||
| Engine | 35 HP | 57 HP |
| Fuel Capacity | 114 L (30.1 gal) | 220 L (58.1 gal) |
| Water Capacity | 189 L (49.9 gal) | 440 L (116.2 gal) |
| Accommodation | ||
| Berths | 7 | 10 |
| Cabins | 2 | 4 |
Performance Comparison
Detailed Comparison
The 1978 Bristol 40 and Dufour 470 represent two takes on sloop-rigged sailing. The 1978 Bristol 40 is a 1970s design by Bristol from USA, while the Dufour 470 is a modern offering from Dufour from France. The 1978 Bristol 40 was penned by Ted Hood. The Dufour 470 was designed by Felci Yacht Design.
In terms of size, the 1978 Bristol 40 measures 12.19m (40.0ft) overall with a beam of 3.35m, compared to the Dufour 470 at 14.23m (46.7ft) with a 4.39m beam. The Dufour 470 is 2.04m longer than the 1978 Bristol 40. The Dufour 470 displaces approximately 37% more than its counterpart, which significantly affects how each boat handles in different sea states.
Looking at performance, the 1978 Bristol 40 has moderate sail power suitable for relaxed cruising with an SA/D ratio of 15.63 and 62.4 m² of sail area. The Dufour 470, with an SA/D of 19.07 and 94.0 m² of canvas, offers good sail power for versatile performance. The Dufour 470 has the edge in terms of raw sailing performance.
For comfort and safety, the 1978 Bristol 40 offers a moderate motion comfort level (comfort ratio: 24.8) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.67). The Dufour 470 has a comfort ratio of 13.7 and a capsize screening value of 0.79. The ballast ratios are 41.7% for the 1978 Bristol 40 and 31.3% for the Dufour 470, reflecting their respective approaches to stability.
Below deck, the 1978 Bristol 40 provides 7 berths in 2 cabins with 189L of water capacity and 114L of fuel. The Dufour 470 offers 10 berths in 4 cabins with 440L water and 220L fuel capacity.
Verdict
For cruising: The 1978 Bristol 40 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 Dufour 470 has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.
For liveaboard: The Dufour 470 offers more sleeping accommodation, making it better suited for extended living aboard. Consider water and fuel capacity for extended stays away from marinas.
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Or view individual specs: 1978 Bristol 40 · Dufour 470