1978 Bristol 40 vs Hanse 315 — Comparison

1978 Bristol 401978 Bristol 40
VS
Hanse 315

Specifications Side by Side

Specification1978 Bristol 40Hanse 315
General
ManufacturerBristolHanse
Year1978–19832010–2016
TypeSloopSloop
CountryUSAGermany
DesignerTed Hoodjudel/vrolijk & co
Dimensions
LOA12.19 m (40.0 ft)9.65 m (31.7 ft)
LWL9.14 m (30.0 ft)8.55 m (28.1 ft)
Beam3.35 m (11.0 ft)3.15 m (10.3 ft)
Draft1.68 m (5.5 ft)1.65 m (5.4 ft)
Weight
Displacement8,165 kg (18,001 lbs)4,200 kg (9,259 lbs)
Ballast3,402 kg (7,500 lbs)1,200 kg (2,646 lbs)
Sailing
Sail Area62.4 m² (672 ft²)41.5 m² (447 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine35 HP15 HP
Fuel Capacity114 L (30.1 gal)85 L (22.5 gal)
Water Capacity189 L (49.9 gal)120 L (31.7 gal)
Accommodation
Berths74
Cabins21

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1978 Bristol 40
15.63
Hanse 315
16.20
Ballast Ratio (Higher = more stability)
1978 Bristol 40
41.67
Hanse 315
28.57
Capsize Ratio (Lower = safer offshore)
1978 Bristol 40
0.67
Hanse 315
0.78
Comfort Ratio (Higher = gentler motion)
1978 Bristol 40
24.80
Hanse 315
17.75

Detailed Comparison

The 1978 Bristol 40 and Hanse 315 represent two takes on sloop-rigged sailing. The 1978 Bristol 40 is a 1970s design by Bristol from USA, while the Hanse 315 is a modern offering from Hanse from Germany. The 1978 Bristol 40 was penned by Ted Hood. The Hanse 315 was designed by judel/vrolijk & co.

In terms of size, the 1978 Bristol 40 measures 12.19m (40.0ft) overall with a beam of 3.35m, compared to the Hanse 315 at 9.65m (31.7ft) with a 3.15m beam. The 1978 Bristol 40 is 2.54m longer than the Hanse 315. The 1978 Bristol 40 displaces approximately 94% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 1978 Bristol 40 has moderate sail power suitable for relaxed cruising with an SA/D ratio of 15.63 and 62.4 m² of sail area. The Hanse 315, with an SA/D of 16.20 and 41.5 m² of canvas, offers moderate sail power suitable for relaxed cruising. The Hanse 315 has the edge in terms of raw sailing performance.

For comfort and safety, the 1978 Bristol 40 offers a moderate motion comfort level (comfort ratio: 24.8) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.67). The Hanse 315 has a comfort ratio of 17.8 and a capsize screening value of 0.78. The ballast ratios are 41.7% for the 1978 Bristol 40 and 28.6% for the Hanse 315, reflecting their respective approaches to stability.

Below deck, the 1978 Bristol 40 provides 7 berths in 2 cabins with 189L of water capacity and 114L of fuel. The Hanse 315 offers 4 berths in 1 cabin with 120L water and 85L fuel capacity.

Verdict

For cruising: The 1978 Bristol 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 Hanse 315 has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.

For liveaboard: The 1978 Bristol 40 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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