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Valiant 40 Ph
Designer: Bob Perry  ·  Builder: Valiant /Uniflite  ·  First built: 1981
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About the Valiant 40 Ph

Built during Valiant's celebrated era of offshore cruising sailboats, the Valiant 40 Ph represents the shipyard's commitment to creating seaworthy vessels capable of serious bluewater passages. This model carries forward the design philosophy that made Valiant synonymous with reliable ocean cruising throughout the late 20th century. The Ph designation suggests this variant incorporated specific modifications or updates to the original Valiant 40 platform, though detailed specifications remain scarce in contemporary records. What's clear is that this boat shares the DNA of Valiant's reputation for building sturdy, well-balanced cruisers that prioritize safety and comfort over pure speed. Valiant yachts earned their stripes among serious cruising sailors who valued solid construction and predictable handling characteristics over flashy performance numbers. The company's boats were known for their ability to handle rough weather with confidence, making them popular choices for couples and small crews planning extended voyages. While racing pedigree wasn't the primary focus, the Valiant 40 Ph would have offered respectable performance under sail, with the kind of steady, dependable sailing characteristics that make long passages more comfortable and less stressful for the crew aboard.

Core Dimensions
LOA (Length Overall) 39.88 ft / 12.16 m
LWL (Waterline Length) 34.00 ft / 10.36 m
Beam 12.33 ft / 3.76 m
Max Draft 6.00 ft / 1.83 m
Displacement 22,500.00 lb / 10,206 kg
Ballast 7,700.00 lb / 3,493 kg
Sail Area (Reported) 753.00 ft² / 69.96 m²
Design & Construction
Hull Type Fin with rudder on skeg
Rigging Type Masthead Sloop
Construction FG
Designer Bob Perry
Builder Valiant /Uniflite
First Built 1981
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Performance Ratios
SA/Displacement Sail Area to Displacement ratio measures how much sail power a boat has relative to its weight. Higher values mean more performance and speed.
Under 14 — Heavy cruiser, slow14–18 — Cruising sailboat18–22 — Cruiser/racerOver 22 — Performance racer
15.18
Comfort Ratio Ted Brewer's Comfort Ratio predicts how comfortable a boat will feel in offshore conditions. Higher values mean a steadier, more comfortable motion in a seaway.
Under 20 — Uncomfortably rough20–30 — Acceptable coastal30–40 — Good offshore comfortOver 40 — Very comfortable offshore
34.26
Capsize Screening Formula The USHS Capsize Screening Formula estimates offshore capsize risk. Lower is safer — values under 2.0 are considered acceptable for offshore sailing.
Under 2.0 — Safe for offshore2.0–2.2 — Borderline offshoreOver 2.2 — Coastal use recommended
1.75
Hull Speed Hull Speed is the theoretical maximum speed of a displacement hull, calculated from waterline length. Most cruising sailboats reach this speed in moderate conditions. 7.81
Pounds/Inch Immersion Pounds per Inch Immersion (PPI) tells you how much weight is needed to sink the boat one inch. Useful for calculating how additional gear and stores affect waterline. 1.0
How It Compares

vs. Swan 391, Tashiba 40, Valiant 40 200 235

This boat Similar boats
Dimensions
LOA
Valiant 40 Ph ★
39.9 ft
Swan 391
39.9 ft
Tashiba 40
39.9 ft
Valiant 40 200 235
39.9 ft
LWL
Valiant 40 Ph ★
34.0 ft
Swan 391
33.1 ft
Tashiba 40
34.5 ft
Valiant 40 200 235
34.0 ft
Beam
Valiant 40 Ph ★
12.3 ft
Swan 391
12.4 ft
Tashiba 40
12.8 ft
Valiant 40 200 235
12.3 ft
Displacement
Valiant 40 Ph ★
22 lbs
Swan 391
18 lbs
Tashiba 40
29 lbs
Valiant 40 200 235
23 lbs
Ballast
Valiant 40 Ph ★
7 lbs
Swan 391
6 lbs
Tashiba 40
10 lbs
Valiant 40 200 235
8 lbs
Sail Area
Valiant 40 Ph ★
753 sq ft
Swan 391
767 sq ft
Tashiba 40
865 sq ft
Valiant 40 200 235
Performance
PHRF Rating (lower = faster)
Valiant 40 Ph ★
Swan 391
90 s/nm
Tashiba 40
138 s/nm
Valiant 40 200 235
SA / Displacement (higher = more powerful)
Valiant 40 Ph ★
15.2
Swan 391
17.4
Tashiba 40
14.7
Valiant 40 200 235
Ballast / Disp (higher = stiffer)
Valiant 40 Ph ★
Swan 391
Tashiba 40
34.5 %
Valiant 40 200 235
35.7 %
Comfort Ratio (higher = more comfortable offshore)
Valiant 40 Ph ★
34.3
Swan 391
29.0
Tashiba 40
41.5
Valiant 40 200 235
Capsize Screening (lower = safer)
Valiant 40 Ph ★
1.75
Swan 391
1.87
Tashiba 40
1.67
Valiant 40 200 235
Displacement / Length (lower = lighter)
Valiant 40 Ph ★
Swan 391
Tashiba 40
315
Valiant 40 200 235
267
Hull Speed
Valiant 40 Ph ★
7.8 kts
Swan 391
7.7 kts
Tashiba 40
7.9 kts
Valiant 40 200 235
Speed Number (higher = faster)
Valiant 40 Ph ★
Swan 391
2.4
Tashiba 40
1.5
Valiant 40 200 235
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