1984 J/29 vs 1984 Dehler 25 — Comparison

1984 J/29
VS
1984 Dehler 25

Specifications Side by Side

Specification1984 J/291984 Dehler 25
General
ManufacturerJ/BoatsDehler
Year1984–19901984–1992
TypeSloopSloop
CountryUSAGermany
DesignerRod JohnstoneE.G. van de Stadt
Dimensions
LOA8.99 m (29.5 ft)7.50 m (24.6 ft)
LWL7.62 m (25.0 ft)6.30 m (20.7 ft)
Beam3.28 m (10.8 ft)2.50 m (8.2 ft)
Draft1.83 m (6.0 ft)1.35 m (4.4 ft)
Weight
Displacement3,266 kg (7,200 lbs)1,800 kg (3,968 lbs)
Ballast1,497 kg (3,300 lbs)680 kg (1,499 lbs)
Sailing
Sail Area41.1 m² (442 ft²)22.5 m² (242 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine10 HP8 HP
Fuel Capacity38 L (10.0 gal)25 L (6.6 gal)
Water Capacity38 L (10.0 gal)40 L (10.6 gal)
Accommodation
Berths54
Cabins11

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1984 J/29
18.97
1984 Dehler 25
15.46
Ballast Ratio (Higher = more stability)
1984 J/29
45.84
1984 Dehler 25
37.78
Capsize Ratio (Lower = safer offshore)
1984 J/29
0.89
1984 Dehler 25
0.82
Comfort Ratio (Higher = gentler motion)
1984 J/29
15.99
1984 Dehler 25
18.41

Detailed Comparison

The 1984 J/29 and 1984 Dehler 25 represent two takes on sloop-rigged sailing. The 1984 J/29 is a 1980s design by J/Boats from USA, while the 1984 Dehler 25 is a 1980s offering from Dehler from Germany. The 1984 J/29 was penned by Rod Johnstone. The 1984 Dehler 25 was designed by E.G. van de Stadt.

In terms of size, the 1984 J/29 measures 8.99m (29.5ft) overall with a beam of 3.28m, compared to the 1984 Dehler 25 at 7.50m (24.6ft) with a 2.50m beam. The 1984 J/29 is 1.49m longer than the 1984 Dehler 25. The 1984 J/29 displaces approximately 81% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 1984 J/29 has good sail power for versatile performance with an SA/D ratio of 18.97 and 41.1 m² of sail area. The 1984 Dehler 25, with an SA/D of 15.46 and 22.5 m² of canvas, offers moderate sail power suitable for relaxed cruising. The 1984 J/29 has the edge in terms of raw sailing performance.

For comfort and safety, the 1984 J/29 offers a firm, racing-oriented motion (comfort ratio: 16.0) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.89). The 1984 Dehler 25 has a comfort ratio of 18.4 and a capsize screening value of 0.82. The ballast ratios are 45.8% for the 1984 J/29 and 37.8% for the 1984 Dehler 25, reflecting their respective approaches to stability.

Below deck, the 1984 J/29 provides 5 berths in 1 cabin with 38L of water capacity and 38L of fuel. The 1984 Dehler 25 offers 4 berths in 1 cabin with 40L water and 25L fuel capacity.

Verdict

For cruising: The 1984 Dehler 25 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 1984 J/29 has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.

For liveaboard: The 1984 J/29 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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Or view individual specs: 1984 J/29 · 1984 Dehler 25