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Challenger 38
Designer: Howard Stern  ·  Builder: Challenger Yachts Corp.  ·  First built: 1972
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About the Challenger 38

Built during the late 1970s and early 1980s, this 38-foot sailboat emerged from an era when manufacturers were balancing traditional cruising comfort with emerging performance-oriented design philosophies. The Challenger 38 represents a thoughtful approach to mid-sized cruising, offering sailors a platform that bridges the gap between coastal exploration and extended passage-making capabilities. The design emphasizes practical sailing characteristics over pure racing performance, making it well-suited for couples or small families seeking adventure beyond protected waters. Her moderate displacement and sensible sail plan create a forgiving sailing experience that builds confidence in developing sailors while remaining engaging for more experienced crews. Notable for her solid construction methods typical of the period, the Challenger 38 was built to withstand the rigors of serious cruising. The accommodation layout prioritizes livability during extended voyages, with adequate storage and comfortable berths that make multi-day passages feasible. While production numbers remained relatively modest, the model earned respect among cruising sailors who valued reliability over flash. Today, well-maintained examples continue to serve adventurous sailors seeking capable offshore cruising boats with proven seaworthiness and manageable size for shorthanded sailing.

Core Dimensions
LOA (Length Overall) 39.92 ft / 12.17 m
LWL (Waterline Length) 34.00 ft / 10.36 m
Beam 12.83 ft / 3.91 m
Max Draft 6.00 ft / 1.83 m
Displacement 24,800.00 lb / 11,249 kg
Ballast 8,200.00 lb / 3,719 kg
Sail Area (Reported) 691.00 ft² / 64.20 m²
Design & Construction
Hull Type Fin with rudder on skeg
Rigging Type Masthead Sloop
Construction FG
Designer Howard Stern
Builder Challenger Yachts Corp.
First Built 1972
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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
13.05
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
35.81
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
1.76
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
S# (Speed Number) The Speed Number (S#) is a quick performance index. Higher values indicate a faster, more powerful design relative to its size.
Under 3.0 — Slow cruiser3.0–5.0 — Average cruiser5.0–7.0 — Performance cruiserOver 7.0 — Racer
1.62
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
Rig Dimensions
I (Foretriangle Height) 47.0
J (Foretriangle Base) 15.33
P (Mainsail Luff) 41.0
E (Mainsail Foot) 18.25
SA Fore 360.26
SA Main 374.13
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