Jeanneau Sun Loft 47 vs 1983 Tartan 37 — Comparison

Jeanneau Sun Loft 47
VS
1983 Tartan 371983 Tartan 37

Specifications Side by Side

SpecificationJeanneau Sun Loft 471983 Tartan 37
General
ManufacturerJeanneauTartan
Year20191983–1989
TypeSloopSloop
CountryFranceUSA
DesignerPhilippe BriandSparkman & Stephens
Dimensions
LOA14.20 m (46.6 ft)11.28 m (37.0 ft)
LWL13.00 m (42.7 ft)9.14 m (30.0 ft)
Beam4.49 m (14.7 ft)3.56 m (11.7 ft)
Draft2.20 m (7.2 ft)1.83 m (6.0 ft)
Weight
Displacement11,500 kg (25,353 lbs)7,258 kg (16,001 lbs)
Ballast3,200 kg (7,055 lbs)3,084 kg (6,799 lbs)
Sailing
Sail Area88.0 m² (947 ft²)57.0 m² (614 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine57 HP30 HP
Fuel Capacity200 L (52.8 gal)114 L (30.1 gal)
Water Capacity400 L (105.7 gal)200 L (52.8 gal)
Accommodation
Berths127
Cabins42

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
Jeanneau Sun Loft 47
17.55
1983 Tartan 37
15.45
Ballast Ratio (Higher = more stability)
Jeanneau Sun Loft 47
27.83
1983 Tartan 37
42.49
Capsize Ratio (Lower = safer offshore)
Jeanneau Sun Loft 47
0.80
1983 Tartan 37
0.74
Comfort Ratio (Higher = gentler motion)
Jeanneau Sun Loft 47
13.39
1983 Tartan 37
21.48

Detailed Comparison

The Jeanneau Sun Loft 47 and 1983 Tartan 37 represent two takes on sloop-rigged sailing. The Jeanneau Sun Loft 47 is a modern design by Jeanneau from France, while the 1983 Tartan 37 is a 1980s offering from Tartan from USA. The Jeanneau Sun Loft 47 was penned by Philippe Briand. The 1983 Tartan 37 was designed by Sparkman & Stephens.

In terms of size, the Jeanneau Sun Loft 47 measures 14.20m (46.6ft) overall with a beam of 4.49m, compared to the 1983 Tartan 37 at 11.28m (37.0ft) with a 3.56m beam. The Jeanneau Sun Loft 47 is 2.92m longer than the 1983 Tartan 37. The Jeanneau Sun Loft 47 displaces approximately 58% 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 1983 Tartan 37, with an SA/D of 15.45 and 57.0 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 1983 Tartan 37 has a comfort ratio of 21.5 and a capsize screening value of 0.74. The ballast ratios are 27.8% for the Jeanneau Sun Loft 47 and 42.5% for the 1983 Tartan 37, 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 1983 Tartan 37 offers 7 berths in 2 cabins with 200L water and 114L fuel capacity.

Verdict

For cruising: The 1983 Tartan 37 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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