1979 Peterson 44 vs Jeanneau Sun Loft 47 — Comparison
Specifications Side by Side
| Specification | 1979 Peterson 44 | Jeanneau Sun Loft 47 |
|---|---|---|
| General | ||
| Manufacturer | Peterson | Jeanneau |
| Year | 1979–1986 | 2019 |
| Type | Sloop | Sloop |
| Country | USA | France |
| Designer | Doug Peterson | Philippe Briand |
| Dimensions | ||
| LOA | 13.41 m (44.0 ft) | 14.20 m (46.6 ft) |
| LWL | 10.67 m (35.0 ft) | 13.00 m (42.7 ft) |
| Beam | 3.86 m (12.7 ft) | 4.49 m (14.7 ft) |
| Draft | 2.13 m (7.0 ft) | 2.20 m (7.2 ft) |
| Weight | ||
| Displacement | 9,979 kg (22,000 lbs) | 11,500 kg (25,353 lbs) |
| Ballast | 4,082 kg (8,999 lbs) | 3,200 kg (7,055 lbs) |
| Sailing | ||
| Sail Area | 79.0 m² (850 ft²) | 88.0 m² (947 ft²) |
| Hull Material | Fiberglass | Fiberglass |
| Keel Type | Fin | Fin |
| Engine & Tanks | ||
| Engine | 40 HP | 57 HP |
| Fuel Capacity | 151 L (39.9 gal) | 200 L (52.8 gal) |
| Water Capacity | 265 L (70.0 gal) | 400 L (105.7 gal) |
| Accommodation | ||
| Berths | 7 | 12 |
| Cabins | 3 | 4 |
Performance Comparison
Detailed Comparison
The 1979 Peterson 44 and Jeanneau Sun Loft 47 represent two takes on sloop-rigged sailing. The 1979 Peterson 44 is a 1970s design by Peterson from USA, while the Jeanneau Sun Loft 47 is a modern offering from Jeanneau from France. The 1979 Peterson 44 was penned by Doug Peterson. The Jeanneau Sun Loft 47 was designed by Philippe Briand.
In terms of size, the 1979 Peterson 44 measures 13.41m (44.0ft) overall with a beam of 3.86m, compared to the Jeanneau Sun Loft 47 at 14.20m (46.6ft) with a 4.49m beam. The Jeanneau Sun Loft 47 is 0.79m longer than the 1979 Peterson 44. The Jeanneau Sun Loft 47 displaces approximately 15% more than its counterpart, which significantly affects how each boat handles in different sea states.
Looking at performance, the 1979 Peterson 44 has good sail power for versatile performance with an SA/D ratio of 17.31 and 79.0 m² of sail area. The Jeanneau Sun Loft 47, with an SA/D of 17.55 and 88.0 m² of canvas, offers good sail power for versatile performance. The Jeanneau Sun Loft 47 has the edge in terms of raw sailing performance.
For comfort and safety, the 1979 Peterson 44 offers a firm, racing-oriented motion (comfort ratio: 19.2) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.72). The Jeanneau Sun Loft 47 has a comfort ratio of 13.4 and a capsize screening value of 0.80. The ballast ratios are 40.9% for the 1979 Peterson 44 and 27.8% for the Jeanneau Sun Loft 47, reflecting their respective approaches to stability.
Below deck, the 1979 Peterson 44 provides 7 berths in 3 cabins with 265L of water capacity and 151L of fuel. The Jeanneau Sun Loft 47 offers 12 berths in 4 cabins with 400L water and 200L fuel capacity.
Verdict
For cruising: The 1979 Peterson 44 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 Jeanneau Sun Loft 47 has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.
For liveaboard: The Jeanneau Sun Loft 47 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: 1979 Peterson 44 · Jeanneau Sun Loft 47