2005 Dehler 34 vs 1979 Cal 39 — Comparison

2005 Dehler 342005 Dehler 34
VS
1979 Cal 391979 Cal 39

Specifications Side by Side

Specification2005 Dehler 341979 Cal 39
General
ManufacturerDehlerCal
Year2005–20121979–1985
TypeSloopSloop
CountryGermanyUSA
DesignerJudel/VrolijkBill Lapworth / C. Raymond Hunt
Dimensions
LOA10.30 m (33.8 ft)11.89 m (39.0 ft)
LWL9.10 m (29.9 ft)9.60 m (31.5 ft)
Beam3.25 m (10.7 ft)3.66 m (12.0 ft)
Draft1.80 m (5.9 ft)1.83 m (6.0 ft)
Weight
Displacement4,800 kg (10,582 lbs)8,165 kg (18,001 lbs)
Ballast1,700 kg (3,748 lbs)3,402 kg (7,500 lbs)
Sailing
Sail Area50.0 m² (538 ft²)63.0 m² (678 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine18 HP30 HP
Fuel Capacity50 L (13.2 gal)114 L (30.1 gal)
Water Capacity100 L (26.4 gal)200 L (52.8 gal)
Accommodation
Berths67
Cabins22

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
2005 Dehler 34
17.85
1979 Cal 39
15.78
Ballast Ratio (Higher = more stability)
2005 Dehler 34
35.42
1979 Cal 39
41.67
Capsize Ratio (Lower = safer offshore)
2005 Dehler 34
0.77
1979 Cal 39
0.73
Comfort Ratio (Higher = gentler motion)
2005 Dehler 34
17.15
1979 Cal 39
21.05

Detailed Comparison

The 2005 Dehler 34 and 1979 Cal 39 represent two takes on sloop-rigged sailing. The 2005 Dehler 34 is a 2000s design by Dehler from Germany, while the 1979 Cal 39 is a 1970s offering from Cal from USA. The 2005 Dehler 34 was penned by Judel/Vrolijk. The 1979 Cal 39 was designed by Bill Lapworth / C. Raymond Hunt.

In terms of size, the 2005 Dehler 34 measures 10.30m (33.8ft) overall with a beam of 3.25m, compared to the 1979 Cal 39 at 11.89m (39.0ft) with a 3.66m beam. The 1979 Cal 39 is 1.59m longer than the 2005 Dehler 34. The 1979 Cal 39 displaces approximately 70% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 2005 Dehler 34 has good sail power for versatile performance with an SA/D ratio of 17.85 and 50.0 m² of sail area. The 1979 Cal 39, with an SA/D of 15.78 and 63.0 m² of canvas, offers moderate sail power suitable for relaxed cruising. The 2005 Dehler 34 has the edge in terms of raw sailing performance.

For comfort and safety, the 2005 Dehler 34 offers a firm, racing-oriented motion (comfort ratio: 17.2) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.77). The 1979 Cal 39 has a comfort ratio of 21.1 and a capsize screening value of 0.73. The ballast ratios are 35.4% for the 2005 Dehler 34 and 41.7% for the 1979 Cal 39, reflecting their respective approaches to stability.

Below deck, the 2005 Dehler 34 provides 6 berths in 2 cabins with 100L of water capacity and 50L of fuel. The 1979 Cal 39 offers 7 berths in 2 cabins with 200L water and 114L fuel capacity.

Verdict

For cruising: The 1979 Cal 39 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 2005 Dehler 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 1979 Cal 39 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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