1986 Valiant 40 vs 1982 Island Packet 31 — Comparison

1986 Valiant 40 1986 Valiant 40
VS
1982 Island Packet 31 1982 Island Packet 31

Specifications Side by Side

Specification 1986 Valiant 40 1982 Island Packet 31
General
Manufacturer Valiant Island Packet
Year 1986–2001 1982–1994
Type Cutter Cutter
Country USA USA
Designer Bob Perry Bob Johnson
Dimensions
LOA 12.19 m (40.0 ft) 9.45 m (31.0 ft)
LWL 9.75 m (32.0 ft) 8.08 m (26.5 ft)
Beam 3.71 m (12.2 ft) 3.35 m (11.0 ft)
Draft 1.83 m (6.0 ft) 1.22 m (4.0 ft)
Weight
Displacement 9,072 kg (20,000 lbs) 5,897 kg (13,001 lbs)
Ballast 3,629 kg (8,001 lbs) 2,449 kg (5,399 lbs)
Sailing
Sail Area 70.3 m² (757 ft²) 49.2 m² (530 ft²)
Hull Material Fiberglass Fiberglass
Keel Type Modified full Full
Engine & Tanks
Engine 40 HP 25 HP
Fuel Capacity 189 L (49.9 gal) 114 L (30.1 gal)
Water Capacity 340 L (89.8 gal) 189 L (49.9 gal)
Accommodation
Berths 7 5
Cabins 2 2

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1986 Valiant 40
16.42
1982 Island Packet 31
15.32
Ballast Ratio (Higher = more stability)
1986 Valiant 40
40.00
1982 Island Packet 31
41.53
Capsize Ratio (Lower = safer offshore)
1986 Valiant 40
0.71
1982 Island Packet 31
0.74
Comfort Ratio (Higher = gentler motion)
1986 Valiant 40
22.13
1982 Island Packet 31
25.11

Detailed Comparison

The 1986 Valiant 40 and 1982 Island Packet 31 represent two takes on cutter-rigged sailing. The 1986 Valiant 40 is a 1980s design by Valiant from USA, while the 1982 Island Packet 31 is a 1980s offering from Island Packet from USA. The 1986 Valiant 40 was penned by Bob Perry. The 1982 Island Packet 31 was designed by Bob Johnson.

In terms of size, the 1986 Valiant 40 measures 12.19m (40.0ft) overall with a beam of 3.71m, compared to the 1982 Island Packet 31 at 9.45m (31.0ft) with a 3.35m beam. The 1986 Valiant 40 is 2.74m longer than the 1982 Island Packet 31. The 1986 Valiant 40 displaces approximately 54% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 1986 Valiant 40 has moderate sail power suitable for relaxed cruising with an SA/D ratio of 16.42 and 70.3 m² of sail area. The 1982 Island Packet 31, with an SA/D of 15.32 and 49.2 m² of canvas, offers moderate sail power suitable for relaxed cruising. The 1986 Valiant 40 has the edge in terms of raw sailing performance.

For comfort and safety, the 1986 Valiant 40 offers a moderate motion comfort level (comfort ratio: 22.1) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.71). The 1982 Island Packet 31 has a comfort ratio of 25.1 and a capsize screening value of 0.74. The ballast ratios are 40.0% for the 1986 Valiant 40 and 41.5% for the 1982 Island Packet 31, reflecting their respective approaches to stability.

Below deck, the 1986 Valiant 40 provides 7 berths in 2 cabins with 340L of water capacity and 189L of fuel. The 1982 Island Packet 31 offers 5 berths in 2 cabins with 189L water and 114L fuel capacity.

Verdict

For cruising: The 1982 Island Packet 31 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 1986 Valiant 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 1986 Valiant 40 offers more sleeping accommodation, making it better suited for extended living aboard. Consider water and fuel capacity for extended stays away from marinas.

Compare Different Boats

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