1965 Pearson Vanguard vs 1974 O'Day 23 — Comparison

1965 Pearson Vanguard1965 Pearson Vanguard
VS
1974 O'Day 231974 O'Day 23

Specifications Side by Side

Specification1965 Pearson Vanguard1974 O'Day 23
General
ManufacturerPearsonO'Day
Year1965–19721974–1983
TypeSloopSloop
CountryUSAUSA
DesignerPhilip RhodesC. Raymond Hunt
Dimensions
LOA9.83 m (32.3 ft)6.93 m (22.7 ft)
LWL7.01 m (23.0 ft)5.79 m (19.0 ft)
Beam2.84 m (9.3 ft)2.24 m (7.3 ft)
Draft1.22 m (4.0 ft)1.02 m (3.3 ft)
Weight
Displacement4,082 kg (8,999 lbs)816 kg (1,799 lbs)
Ballast1,678 kg (3,699 lbs)295 kg (650 lbs)
Sailing
Sail Area36.0 m² (388 ft²)17.5 m² (188 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFullFin
Engine & Tanks
Engine10 HP5 HP
Fuel Capacity38 L (10.0 gal)11 L (2.9 gal)
Water Capacity57 L (15.1 gal)15 L (4.0 gal)
Accommodation
Berths54
Cabins11

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1965 Pearson Vanguard
14.32
1974 O'Day 23
20.38
Ballast Ratio (Higher = more stability)
1965 Pearson Vanguard
41.11
1974 O'Day 23
36.15
Capsize Ratio (Lower = safer offshore)
1965 Pearson Vanguard
0.71
1974 O'Day 23
0.96
Comfort Ratio (Higher = gentler motion)
1965 Pearson Vanguard
25.31
1974 O'Day 23
11.39

Detailed Comparison

The 1965 Pearson Vanguard and 1974 O'Day 23 represent two takes on sloop-rigged sailing. The 1965 Pearson Vanguard is a classic design by Pearson from USA, while the 1974 O'Day 23 is a 1970s offering from O'Day from USA. The 1965 Pearson Vanguard was penned by Philip Rhodes. The 1974 O'Day 23 was designed by C. Raymond Hunt.

In terms of size, the 1965 Pearson Vanguard measures 9.83m (32.3ft) overall with a beam of 2.84m, compared to the 1974 O'Day 23 at 6.93m (22.7ft) with a 2.24m beam. The 1965 Pearson Vanguard is 2.90m longer than the 1974 O'Day 23. The 1965 Pearson Vanguard displaces approximately 400% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 1965 Pearson Vanguard has modest sail power for its displacement with an SA/D ratio of 14.32 and 36.0 m² of sail area. The 1974 O'Day 23, with an SA/D of 20.38 and 17.5 m² of canvas, offers generous sail power for spirited sailing. The 1974 O'Day 23 has the edge in terms of raw sailing performance.

For comfort and safety, the 1965 Pearson Vanguard offers a moderate motion comfort level (comfort ratio: 25.3) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.71). The 1974 O'Day 23 has a comfort ratio of 11.4 and a capsize screening value of 0.96. The ballast ratios are 41.1% for the 1965 Pearson Vanguard and 36.2% for the 1974 O'Day 23, reflecting their respective approaches to stability.

Below deck, the 1965 Pearson Vanguard provides 5 berths in 1 cabin with 57L of water capacity and 38L of fuel. The 1974 O'Day 23 offers 4 berths in 1 cabin with 15L water and 11L fuel capacity.

Verdict

For cruising: The 1965 Pearson Vanguard 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 1974 O'Day 23 has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.

For liveaboard: The 1965 Pearson Vanguard 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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