1990 Dehler 31 vs 1971 C&C 27 — Comparison

1990 Dehler 31
VS
1971 C&C 271971 C&C 27

Specifications Side by Side

Specification1990 Dehler 311971 C&C 27
General
ManufacturerDehlerC&C Yachts
Year1990–19961971–1975
TypeSloopSloop
CountryGermanyCanada
DesignerJudel/VrolijkCuthbertson & Cassian
Dimensions
LOA9.45 m (31.0 ft)8.23 m (27.0 ft)
LWL8.08 m (26.5 ft)6.55 m (21.5 ft)
Beam3.13 m (10.3 ft)2.74 m (9.0 ft)
Draft1.65 m (5.4 ft)1.37 m (4.5 ft)
Weight
Displacement3,900 kg (8,598 lbs)2,495 kg (5,501 lbs)
Ballast1,560 kg (3,439 lbs)1,043 kg (2,299 lbs)
Sailing
Sail Area44.0 m² (474 ft²)31.0 m² (334 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine15 HP10 HP
Fuel Capacity60 L (15.9 gal)38 L (10.0 gal)
Water Capacity100 L (26.4 gal)57 L (15.1 gal)
Accommodation
Berths55
Cabins21

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1990 Dehler 31
18.05
1971 C&C 27
17.13
Ballast Ratio (Higher = more stability)
1990 Dehler 31
40.00
1971 C&C 27
41.80
Capsize Ratio (Lower = safer offshore)
1990 Dehler 31
0.80
1971 C&C 27
0.81
Comfort Ratio (Higher = gentler motion)
1990 Dehler 31
18.18
1971 C&C 27
20.13

Detailed Comparison

The 1990 Dehler 31 and 1971 C&C 27 represent two takes on sloop-rigged sailing. The 1990 Dehler 31 is a 1990s design by Dehler from Germany, while the 1971 C&C 27 is a 1970s offering from C&C Yachts from Canada. The 1990 Dehler 31 was penned by Judel/Vrolijk. The 1971 C&C 27 was designed by Cuthbertson & Cassian.

In terms of size, the 1990 Dehler 31 measures 9.45m (31.0ft) overall with a beam of 3.13m, compared to the 1971 C&C 27 at 8.23m (27.0ft) with a 2.74m beam. The 1990 Dehler 31 is 1.22m longer than the 1971 C&C 27. The 1990 Dehler 31 displaces approximately 56% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 1990 Dehler 31 has good sail power for versatile performance with an SA/D ratio of 18.05 and 44.0 m² of sail area. The 1971 C&C 27, with an SA/D of 17.13 and 31.0 m² of canvas, offers good sail power for versatile performance. The 1990 Dehler 31 has the edge in terms of raw sailing performance.

For comfort and safety, the 1990 Dehler 31 offers a firm, racing-oriented motion (comfort ratio: 18.2) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.80). The 1971 C&C 27 has a comfort ratio of 20.1 and a capsize screening value of 0.81. The ballast ratios are 40.0% for the 1990 Dehler 31 and 41.8% for the 1971 C&C 27, reflecting their respective approaches to stability.

Below deck, the 1990 Dehler 31 provides 5 berths in 2 cabins with 100L of water capacity and 60L of fuel. The 1971 C&C 27 offers 5 berths in 1 cabin with 57L water and 38L fuel capacity.

Verdict

For cruising: The 1971 C&C 27 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 1990 Dehler 31 has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.

For liveaboard: Both boats provide similar accommodation, making either a viable choice for living aboard. Consider water and fuel capacity for extended stays away from marinas.

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