1980 Peterson 34 vs 1971 C&C 27 — Comparison

1980 Peterson 34
VS
1971 C&C 271971 C&C 27

Specifications Side by Side

Specification1980 Peterson 341971 C&C 27
General
ManufacturerPetersonC&C Yachts
Year1980–19861971–1975
TypeSloopSloop
CountryUSACanada
DesignerDoug PetersonCuthbertson & Cassian
Dimensions
LOA10.36 m (34.0 ft)8.23 m (27.0 ft)
LWL8.53 m (28.0 ft)6.55 m (21.5 ft)
Beam3.28 m (10.8 ft)2.74 m (9.0 ft)
Draft1.83 m (6.0 ft)1.37 m (4.5 ft)
Weight
Displacement5,216 kg (11,499 lbs)2,495 kg (5,501 lbs)
Ballast2,268 kg (5,000 lbs)1,043 kg (2,299 lbs)
Sailing
Sail Area51.1 m² (550 ft²)31.0 m² (334 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine18 HP10 HP
Fuel Capacity76 L (20.1 gal)38 L (10.0 gal)
Water Capacity114 L (30.1 gal)57 L (15.1 gal)
Accommodation
Berths65
Cabins21

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1980 Peterson 34
17.26
1971 C&C 27
17.13
Ballast Ratio (Higher = more stability)
1980 Peterson 34
43.48
1971 C&C 27
41.80
Capsize Ratio (Lower = safer offshore)
1980 Peterson 34
0.76
1971 C&C 27
0.81
Comfort Ratio (Higher = gentler motion)
1980 Peterson 34
19.98
1971 C&C 27
20.13

Detailed Comparison

The 1980 Peterson 34 and 1971 C&C 27 represent two takes on sloop-rigged sailing. The 1980 Peterson 34 is a 1980s design by Peterson from USA, while the 1971 C&C 27 is a 1970s offering from C&C Yachts from Canada. The 1980 Peterson 34 was penned by Doug Peterson. The 1971 C&C 27 was designed by Cuthbertson & Cassian.

In terms of size, the 1980 Peterson 34 measures 10.36m (34.0ft) overall with a beam of 3.28m, compared to the 1971 C&C 27 at 8.23m (27.0ft) with a 2.74m beam. The 1980 Peterson 34 is 2.13m longer than the 1971 C&C 27. The 1980 Peterson 34 displaces approximately 109% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 1980 Peterson 34 has good sail power for versatile performance with an SA/D ratio of 17.26 and 51.1 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 1980 Peterson 34 has the edge in terms of raw sailing performance.

For comfort and safety, the 1980 Peterson 34 offers a firm, racing-oriented motion (comfort ratio: 20.0) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.76). The 1971 C&C 27 has a comfort ratio of 20.1 and a capsize screening value of 0.81. The ballast ratios are 43.5% for the 1980 Peterson 34 and 41.8% for the 1971 C&C 27, reflecting their respective approaches to stability.

Below deck, the 1980 Peterson 34 provides 6 berths in 2 cabins with 114L of water capacity and 76L 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 1980 Peterson 34 has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.

For liveaboard: The 1980 Peterson 34 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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