1987 Hylas 49 vs Dufour 520 Grand Large — Comparison

1987 Hylas 49
VS
Dufour 520 Grand Large

Specifications Side by Side

Specification1987 Hylas 49Dufour 520 Grand Large
General
ManufacturerHylasDufour
Year1987–19982012–2017
TypeSloopSloop
CountryTaiwanFrance
DesignerGerman FrersFelci Yacht Design
Dimensions
LOA14.94 m (49.0 ft)15.80 m (51.8 ft)
LWL12.19 m (40.0 ft)13.85 m (45.4 ft)
Beam4.27 m (14.0 ft)4.69 m (15.4 ft)
Draft1.98 m (6.5 ft)2.45 m (8.0 ft)
Weight
Displacement15,422 kg (34,000 lbs)14,500 kg (31,967 lbs)
Ballast6,350 kg (13,999 lbs)4,600 kg (10,141 lbs)
Sailing
Sail Area99.6 m² (1,072 ft²)110.0 m² (1,184 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine75 HP75 HP
Fuel Capacity303 L (80.0 gal)300 L (79.3 gal)
Water Capacity568 L (150.0 gal)550 L (145.3 gal)
Accommodation
Berths710
Cabins34

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1987 Hylas 49
16.33
Dufour 520 Grand Large
18.79
Ballast Ratio (Higher = more stability)
1987 Hylas 49
41.17
Dufour 520 Grand Large
31.72
Capsize Ratio (Lower = safer offshore)
1987 Hylas 49
0.69
Dufour 520 Grand Large
0.77
Comfort Ratio (Higher = gentler motion)
1987 Hylas 49
20.23
Dufour 520 Grand Large
13.64

Detailed Comparison

The 1987 Hylas 49 and Dufour 520 Grand Large represent two takes on sloop-rigged sailing. The 1987 Hylas 49 is a 1980s design by Hylas from Taiwan, while the Dufour 520 Grand Large is a modern offering from Dufour from France. The 1987 Hylas 49 was penned by German Frers. The Dufour 520 Grand Large was designed by Felci Yacht Design.

In terms of size, the 1987 Hylas 49 measures 14.94m (49.0ft) overall with a beam of 4.27m, compared to the Dufour 520 Grand Large at 15.80m (51.8ft) with a 4.69m beam. The Dufour 520 Grand Large is 0.86m longer than the 1987 Hylas 49. The 1987 Hylas 49 displaces approximately 6% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 1987 Hylas 49 has moderate sail power suitable for relaxed cruising with an SA/D ratio of 16.33 and 99.6 m² of sail area. The Dufour 520 Grand Large, with an SA/D of 18.79 and 110.0 m² of canvas, offers good sail power for versatile performance. The Dufour 520 Grand Large has the edge in terms of raw sailing performance.

For comfort and safety, the 1987 Hylas 49 offers a moderate motion comfort level (comfort ratio: 20.2) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.69). The Dufour 520 Grand Large has a comfort ratio of 13.6 and a capsize screening value of 0.77. The ballast ratios are 41.2% for the 1987 Hylas 49 and 31.7% for the Dufour 520 Grand Large, reflecting their respective approaches to stability.

Below deck, the 1987 Hylas 49 provides 7 berths in 3 cabins with 568L of water capacity and 303L of fuel. The Dufour 520 Grand Large offers 10 berths in 4 cabins with 550L water and 300L fuel capacity.

Verdict

For cruising: The 1987 Hylas 49 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 520 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 Dufour 520 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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