2007 Dufour 425 Grand Large vs 1977 Cal 33 — Comparison
Specifications Side by Side
| Specification | 2007 Dufour 425 Grand Large | 1977 Cal 33 |
|---|---|---|
| General | ||
| Manufacturer | Dufour | Cal |
| Year | 2007–2012 | 1977–1982 |
| Type | Sloop | Sloop |
| Country | France | USA |
| Designer | Umberto Felci | Bill Lapworth / C. Raymond Hunt |
| Dimensions | ||
| LOA | 12.77 m (41.9 ft) | 10.06 m (33.0 ft) |
| LWL | 11.12 m (36.5 ft) | 8.08 m (26.5 ft) |
| Beam | 4.01 m (13.2 ft) | 3.20 m (10.5 ft) |
| Draft | 2.00 m (6.6 ft) | 1.60 m (5.2 ft) |
| Weight | ||
| Displacement | 9,000 kg (19,842 lbs) | 5,216 kg (11,499 lbs) |
| Ballast | 2,800 kg (6,173 lbs) | 2,177 kg (4,799 lbs) |
| Sailing | ||
| Sail Area | 77.0 m² (829 ft²) | 43.0 m² (463 ft²) |
| Hull Material | Fiberglass | Fiberglass |
| Keel Type | Fin | Fin |
| Engine & Tanks | ||
| Engine | 40 HP | 18 HP |
| Fuel Capacity | 140 L (37.0 gal) | 68 L (18.0 gal) |
| Water Capacity | 280 L (74.0 gal) | 114 L (30.1 gal) |
| Accommodation | ||
| Berths | 8 | 6 |
| Cabins | 3 | 2 |
Performance Comparison
Detailed Comparison
The 2007 Dufour 425 Grand Large and 1977 Cal 33 represent two takes on sloop-rigged sailing. The 2007 Dufour 425 Grand Large is a 2000s design by Dufour from France, while the 1977 Cal 33 is a 1970s offering from Cal from USA. The 2007 Dufour 425 Grand Large was penned by Umberto Felci. The 1977 Cal 33 was designed by Bill Lapworth / C. Raymond Hunt.
In terms of size, the 2007 Dufour 425 Grand Large measures 12.77m (41.9ft) overall with a beam of 4.01m, compared to the 1977 Cal 33 at 10.06m (33.0ft) with a 3.20m beam. The 2007 Dufour 425 Grand Large is 2.71m longer than the 1977 Cal 33. The 2007 Dufour 425 Grand Large displaces approximately 73% more than its counterpart, which significantly affects how each boat handles in different sea states.
Looking at performance, the 2007 Dufour 425 Grand Large has good sail power for versatile performance with an SA/D ratio of 18.08 and 77.0 m² of sail area. The 1977 Cal 33, with an SA/D of 14.53 and 43.0 m² of canvas, offers modest sail power for its displacement. The 2007 Dufour 425 Grand Large has the edge in terms of raw sailing performance.
For comfort and safety, the 2007 Dufour 425 Grand Large offers a firm, racing-oriented motion (comfort ratio: 16.1) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.77). The 1977 Cal 33 has a comfort ratio of 22.6 and a capsize screening value of 0.74. The ballast ratios are 31.1% for the 2007 Dufour 425 Grand Large and 41.7% for the 1977 Cal 33, reflecting their respective approaches to stability.
Below deck, the 2007 Dufour 425 Grand Large provides 8 berths in 3 cabins with 280L of water capacity and 140L of fuel. The 1977 Cal 33 offers 6 berths in 2 cabins with 114L water and 68L fuel capacity.
Verdict
For cruising: The 1977 Cal 33 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 2007 Dufour 425 Grand Large has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.
For liveaboard: The 2007 Dufour 425 Grand Large 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: 2007 Dufour 425 Grand Large · 1977 Cal 33