1963 Cal 40 vs 1987 Cape Dory 40 — Comparison

1963 Cal 401963 Cal 40
VS
1987 Cape Dory 40

Specifications Side by Side

Specification1963 Cal 401987 Cape Dory 40
General
ManufacturerCalCape Dory
Year1963–19721987–1992
TypeSloopSloop
CountryUSAUSA
DesignerBill LapworthCarl Alberg
Dimensions
LOA12.19 m (40.0 ft)12.19 m (40.0 ft)
LWL9.14 m (30.0 ft)9.45 m (31.0 ft)
Beam3.35 m (11.0 ft)3.66 m (12.0 ft)
Draft1.83 m (6.0 ft)1.68 m (5.5 ft)
Weight
Displacement7,030 kg (15,498 lbs)8,618 kg (18,999 lbs)
Ballast2,722 kg (6,001 lbs)3,629 kg (8,001 lbs)
Sailing
Sail Area61.3 m² (660 ft²)64.5 m² (694 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFull
Engine & Tanks
Engine22 HP40 HP
Fuel Capacity76 L (20.1 gal)151 L (39.9 gal)
Water Capacity114 L (30.1 gal)284 L (75.0 gal)
Accommodation
Berths67
Cabins22

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1963 Cal 40
16.97
1987 Cape Dory 40
15.59
Ballast Ratio (Higher = more stability)
1963 Cal 40
38.72
1987 Cape Dory 40
42.11
Capsize Ratio (Lower = safer offshore)
1963 Cal 40
0.70
1987 Cape Dory 40
0.72
Comfort Ratio (Higher = gentler motion)
1963 Cal 40
21.35
1987 Cape Dory 40
22.29

Detailed Comparison

The 1963 Cal 40 and 1987 Cape Dory 40 represent two takes on sloop-rigged sailing. The 1963 Cal 40 is a classic design by Cal from USA, while the 1987 Cape Dory 40 is a 1980s offering from Cape Dory from USA. The 1963 Cal 40 was penned by Bill Lapworth. The 1987 Cape Dory 40 was designed by Carl Alberg.

In terms of size, the 1963 Cal 40 measures 12.19m (40.0ft) overall with a beam of 3.35m, compared to the 1987 Cape Dory 40 at 12.19m (40.0ft) with a 3.66m beam. The 1987 Cape Dory 40 displaces approximately 23% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 1963 Cal 40 has moderate sail power suitable for relaxed cruising with an SA/D ratio of 16.97 and 61.3 m² of sail area. The 1987 Cape Dory 40, with an SA/D of 15.59 and 64.5 m² of canvas, offers moderate sail power suitable for relaxed cruising. The 1963 Cal 40 has the edge in terms of raw sailing performance.

For comfort and safety, the 1963 Cal 40 offers a moderate motion comfort level (comfort ratio: 21.4) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.70). The 1987 Cape Dory 40 has a comfort ratio of 22.3 and a capsize screening value of 0.72. The ballast ratios are 38.7% for the 1963 Cal 40 and 42.1% for the 1987 Cape Dory 40, reflecting their respective approaches to stability.

Below deck, the 1963 Cal 40 provides 6 berths in 2 cabins with 114L of water capacity and 76L of fuel. The 1987 Cape Dory 40 offers 7 berths in 2 cabins with 284L water and 151L fuel capacity.

Verdict

For cruising: The 1987 Cape Dory 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 1963 Cal 40 has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.

For liveaboard: The 1987 Cape Dory 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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