Jeanneau Sun Loft 47 vs 1987 Cape Dory 40 — Comparison

Jeanneau Sun Loft 47
VS
1987 Cape Dory 40

Specifications Side by Side

SpecificationJeanneau Sun Loft 471987 Cape Dory 40
General
ManufacturerJeanneauCape Dory
Year20191987–1992
TypeSloopSloop
CountryFranceUSA
DesignerPhilippe BriandCarl Alberg
Dimensions
LOA14.20 m (46.6 ft)12.19 m (40.0 ft)
LWL13.00 m (42.7 ft)9.45 m (31.0 ft)
Beam4.49 m (14.7 ft)3.66 m (12.0 ft)
Draft2.20 m (7.2 ft)1.68 m (5.5 ft)
Weight
Displacement11,500 kg (25,353 lbs)8,618 kg (18,999 lbs)
Ballast3,200 kg (7,055 lbs)3,629 kg (8,001 lbs)
Sailing
Sail Area88.0 m² (947 ft²)64.5 m² (694 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFull
Engine & Tanks
Engine57 HP40 HP
Fuel Capacity200 L (52.8 gal)151 L (39.9 gal)
Water Capacity400 L (105.7 gal)284 L (75.0 gal)
Accommodation
Berths127
Cabins42

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
Jeanneau Sun Loft 47
17.55
1987 Cape Dory 40
15.59
Ballast Ratio (Higher = more stability)
Jeanneau Sun Loft 47
27.83
1987 Cape Dory 40
42.11
Capsize Ratio (Lower = safer offshore)
Jeanneau Sun Loft 47
0.80
1987 Cape Dory 40
0.72
Comfort Ratio (Higher = gentler motion)
Jeanneau Sun Loft 47
13.39
1987 Cape Dory 40
22.29

Detailed Comparison

The Jeanneau Sun Loft 47 and 1987 Cape Dory 40 represent two takes on sloop-rigged sailing. The Jeanneau Sun Loft 47 is a modern design by Jeanneau from France, while the 1987 Cape Dory 40 is a 1980s offering from Cape Dory from USA. The Jeanneau Sun Loft 47 was penned by Philippe Briand. The 1987 Cape Dory 40 was designed by Carl Alberg.

In terms of size, the Jeanneau Sun Loft 47 measures 14.20m (46.6ft) overall with a beam of 4.49m, compared to the 1987 Cape Dory 40 at 12.19m (40.0ft) with a 3.66m beam. The Jeanneau Sun Loft 47 is 2.01m longer than the 1987 Cape Dory 40. The Jeanneau Sun Loft 47 displaces approximately 33% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the Jeanneau Sun Loft 47 has good sail power for versatile performance with an SA/D ratio of 17.55 and 88.0 m² of sail area. The 1987 Cape Dory 40, with an SA/D of 15.59 and 64.5 m² of canvas, offers moderate sail power suitable for relaxed cruising. The Jeanneau Sun Loft 47 has the edge in terms of raw sailing performance.

For comfort and safety, the Jeanneau Sun Loft 47 offers a firm, racing-oriented motion (comfort ratio: 13.4) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.80). The 1987 Cape Dory 40 has a comfort ratio of 22.3 and a capsize screening value of 0.72. The ballast ratios are 27.8% for the Jeanneau Sun Loft 47 and 42.1% for the 1987 Cape Dory 40, reflecting their respective approaches to stability.

Below deck, the Jeanneau Sun Loft 47 provides 12 berths in 4 cabins with 400L of water capacity and 200L of fuel. The 1987 Cape Dory 40 offers 7 berths in 2 cabins with 284L water and 151L fuel capacity.

Verdict

For cruising: The 1987 Cape Dory 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 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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