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Alc 40 Le Comte
Designer: S&S/D. Le Comte  ·  Builder: Le Comte  ·  First built: 1971
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About the Alc 40 Le Comte

With limited specifications available, the Alc 40 Le Comte represents a somewhat obscure entry in the 40-foot sailing yacht category. Based on its size designation, this vessel falls into the popular mid-size cruising range that typically appeals to sailors seeking a balance between performance and comfort for extended coastal adventures. French yacht designs from this era often emphasized seaworthiness and practical cruising capabilities, suggesting the Le Comte likely incorporates traditional European sailing philosophies focused on robust construction and reliable offshore performance. The 40-foot length places it in an ideal size range for couples or small families looking to undertake serious coastal cruising or even ocean passages. Without detailed specifications readily available, prospective buyers should expect to conduct thorough individual research and inspections when considering this model. The relative scarcity of information may indicate limited production numbers, which could affect parts availability and resale considerations. However, this same rarity might appeal to sailors seeking a distinctive vessel that stands apart from more common production boats in marina slips. For those drawn to French yacht design heritage and willing to invest time in research, the Alc 40 Le Comte may offer unique character and sailing qualities worth investigating further through direct inspection and sea trials.

Core Dimensions
LOA (Length Overall) 39.54 ft / 12.05 m
LWL (Waterline Length) 30.17 ft / 9.20 m
Beam 11.67 ft / 3.56 m
Max Draft 5.75 ft / 1.75 m
Displacement 15,400.00 lb / 6,985 kg
Ballast 7,000.00 lb / 3,175 kg
Sail Area (Reported) 597.00 ft² / 55.46 m²
Design & Construction
Hull Type Fin with rudder on skeg
Rigging Type Masthead Sloop
Construction FG
Designer S&S/D. Le Comte
Builder Le Comte
First Built 1971
Last Built 1990
Related Sailboats ["Carter 40" · "Cal 40" · "Swan 40 Ss" · "Cc 40 1" · "Pj 40 Ss"]
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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
15.49
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
27.36
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
1.88
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. 7.36
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
2.02
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) 46.6
J (Foretriangle Base) 15.6
P (Mainsail Luff) 40.8
E (Mainsail Foot) 11.44
SA Fore 363.48
SA Main 233.38
How It Compares

vs. Cal 40, Cc 40 1, Swan 40 Ss

This boat Similar boats
Dimensions
LOA
Alc 40 Le Comte ★
39.5 ft
Cal 40
39.3 ft
Cc 40 1
39.6 ft
Swan 40 Ss
39.3 ft
LWL
Alc 40 Le Comte ★
30.2 ft
Cal 40
30.3 ft
Cc 40 1
28.7 ft
Swan 40 Ss
28.5 ft
Beam
Alc 40 Le Comte ★
11.7 ft
Cal 40
11.0 ft
Cc 40 1
11.8 ft
Swan 40 Ss
10.8 ft
Displacement
Alc 40 Le Comte ★
15 lbs
Cal 40
15 lbs
Cc 40 1
18 lbs
Swan 40 Ss
19 lbs
Ballast
Alc 40 Le Comte ★
7 lbs
Cal 40
6 lbs
Cc 40 1
7 lbs
Swan 40 Ss
7 lbs
Sail Area
Alc 40 Le Comte ★
597 sq ft
Cal 40
Cc 40 1
756 sq ft
Swan 40 Ss
709 sq ft
Performance
PHRF Rating (lower = faster)
Alc 40 Le Comte ★
Cal 40
120 s/nm
Cc 40 1
Swan 40 Ss
126 s/nm
SA / Displacement (higher = more powerful)
Alc 40 Le Comte ★
15.5
Cal 40
Cc 40 1
17.2
Swan 40 Ss
16.0
Ballast / Disp (higher = stiffer)
Alc 40 Le Comte ★
Cal 40
40.0 %
Cc 40 1
42.1 %
Swan 40 Ss
41.6 %
Comfort Ratio (higher = more comfortable offshore)
Alc 40 Le Comte ★
27.4
Cal 40
Cc 40 1
34.1
Swan 40 Ss
38.7
Capsize Screening (lower = safer)
Alc 40 Le Comte ★
1.88
Cal 40
Cc 40 1
1.77
Swan 40 Ss
1.63
Displacement / Length (lower = lighter)
Alc 40 Le Comte ★
Cal 40
240
Cc 40 1
354
Swan 40 Ss
364
Hull Speed
Alc 40 Le Comte ★
7.4 kts
Cal 40
Cc 40 1
7.2 kts
Swan 40 Ss
7.2 kts
Speed Number (higher = faster)
Alc 40 Le Comte ★
2.0
Cal 40
Cc 40 1
1.4
Swan 40 Ss
1.3
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