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Lager 40
Designer: Joubert/Nivelt  ·  Builder: Wiggers Custom Yachts  ·  First built: 1984
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About the Lager 40

With extremely limited documentation available, the Lager 40 represents one of sailing's more enigmatic designs from what appears to be a smaller or regional manufacturer. This 40-foot sailboat likely emerged during an era when many builders were experimenting with innovative approaches to yacht design, though specific details about its origins and characteristics remain elusive. Given its size classification, the Lager 40 would theoretically be positioned for serious coastal cruising and potentially offshore passages, assuming it follows conventional design principles for boats of this length. The lack of widespread information suggests this was either a limited production run or a design that didn't achieve broad market penetration, making it a rare find for sailors seeking something distinctive. For prospective buyers, the scarcity of available specifications presents both intrigue and caution. While unique boats can offer special character and exclusivity, the limited documentation means potential owners would need to conduct thorough physical inspections and possibly rely on marine surveyors familiar with lesser-known designs. The Lager 40 would likely appeal most to experienced sailors who appreciate uncommon vessels and are comfortable with the challenges that can accompany ownership of rare boats.

Core Dimensions
LOA (Length Overall) 39.67 ft / 12.09 m
LWL (Waterline Length) 33.25 ft / 10.13 m
Beam 12.67 ft / 3.86 m
Max Draft 7.16 ft / 2.18 m
Displacement 12,300.00 lb / 5,579 kg
Ballast 6,700.00 lb / 3,039 kg
Sail Area (Reported) 801.00 ft² / 74.42 m²
Design & Construction
Hull Type Fin w/spade rudder
Rigging Type Fractional Sloop
Construction FG w/klegecell core
Designer Joubert/Nivelt
Builder Wiggers Custom Yachts
First Built 1984
Related Sailboats ["X 402" · "J/39" · "X 1 Ton" · "Cc 40 2" · "Centurion 40"]
Owner Reviews

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Performance Ratios
PHRF Rating PHRF (Performance Handicap Racing Fleet) is a national racing handicap measured in seconds per nautical mile. Lower values indicate faster boats. Ratings are sourced from US Sailing's national database (median across 60+ regional fleets).
Under 0 — Ultralight racer0–90 — Performance racer90–150 — Cruiser/racer150–210 — Typical cruiserOver 210 — Heavy/slow cruiser
63
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
24.14
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
18.37
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
2.2
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. 7.73
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
4.32
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) 48.08
J (Foretriangle Base) 14.08
P (Mainsail Luff) 51.25
E (Mainsail Foot) 18.0
SA Fore 338.48
SA Main 461.25
How It Compares

vs. Cc 40 2, J/39, X 1 Ton

This boat Similar boats
Dimensions
LOA
Lager 40 ★
39.7 ft
Cc 40 2
39.6 ft
J/39
39.8 ft
X 1 Ton
39.8 ft
LWL
Lager 40 ★
33.3 ft
Cc 40 2
31.5 ft
J/39
33.5 ft
X 1 Ton
33.1 ft
Beam
Lager 40 ★
12.7 ft
Cc 40 2
12.7 ft
J/39
13.0 ft
X 1 Ton
12.9 ft
Displacement
Lager 40 ★
12 lbs
Cc 40 2
17 lbs
J/39
16 lbs
X 1 Ton
13 lbs
Ballast
Lager 40 ★
6 lbs
Cc 40 2
7 lbs
J/39
6 lbs
X 1 Ton
Sail Area
Lager 40 ★
801 sq ft
Cc 40 2
743 sq ft
J/39
720 sq ft
X 1 Ton
818 sq ft
Performance
PHRF Rating (lower = faster)
Lager 40 ★
63 s/nm
Cc 40 2
J/39
45 s/nm
X 1 Ton
SA / Displacement (higher = more powerful)
Lager 40 ★
24.1
Cc 40 2
18.1
J/39
16.9
X 1 Ton
23.5
Comfort Ratio (higher = more comfortable offshore)
Lager 40 ★
18.4
Cc 40 2
26.3
J/39
33.7
X 1 Ton
19.2
Capsize Screening (lower = safer)
Lager 40 ★
2.20
Cc 40 2
1.97
J/39
1.61
X 1 Ton
2.19
Hull Speed
Lager 40 ★
7.7 kts
Cc 40 2
7.5 kts
J/39
9.4 kts
X 1 Ton
7.7 kts
Speed Number (higher = faster)
Lager 40 ★
4.3
Cc 40 2
2.4
J/39
X 1 Ton
4.0
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