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Tartan 4100
Designer: Tim Jackett  ·  Builder: Tartan Marine (Usa)  ·  First built: 1996
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About the Tartan 4100

Designed by Tim Jackett and launched in 1996, this 41-foot cruiser represents Tartan Marine's commitment to building quality American sailboats that balance performance with comfort. The 4100's moderate displacement of 19,000 pounds and fin keel with bulb configuration deliver respectable sailing performance while maintaining the stability needed for serious coastal and offshore cruising. The masthead sloop rig carries 810 square feet of sail area, providing a healthy sail area-to-displacement ratio of 18.27 that ensures spirited performance in light to moderate conditions. Her 35.75-foot waterline length translates to a theoretical hull speed of just over 8 knots, making this a capable passage-maker for couples or small crews planning extended cruises. With a comfort ratio of 24.53, the Tartan 4100 strikes an appealing balance between motion comfort and sailing ability—stiff enough to carry sail well, yet comfortable enough for extended time aboard. The capsize screening value of 2.03 indicates good stability characteristics suitable for offshore work. Tartan's reputation for solid fiberglass construction and thoughtful design details makes the 4100 an attractive option for sailors seeking a well-built American cruiser capable of handling both weekend coastal sailing and longer blue-water adventures.

Core Dimensions
LOA (Length Overall) 41.25 ft / 12.57 m
LWL (Waterline Length) 35.75 ft / 10.90 m
Beam 13.50 ft / 4.11 m
Max Draft 7.00 ft / 2.13 m
Displacement 19,000.00 lb / 8,618 kg
Ballast 6,400.00 lb / 2,903 kg
Sail Area (Reported) 810.00 ft² / 75.25 m²
Design & Construction
Hull Type Fin w/bulb & spade rudder
Rigging Type Masthead Sloop
Construction FG
Designer Tim Jackett
Builder Tartan Marine (USA)
First Built 1996
Related Sailboats ["First 41S5 Beneteau" · "J/41" · "Oceanis 411 Beneteau" · "Passport 41" · "Bristol 411"]
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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
 102
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
 18.27
Ballast/Displacement Ballast to Displacement ratio shows what percentage of the boat's total weight is ballast. Higher values generally mean better initial stability and stiffer sail carrying.
30–35% — Typical cruiser35–45% — Stiff performance boatOver 45% — Racing oriented
 33.68
Displacement/Length Displacement to Length ratio measures how heavy a boat is relative to its waterline length. Lower values mean a lighter, faster boat.
Under 100 — Ultralight racer100–200 — Light cruiser/racer200–300 — Moderate cruiser300–400 — Heavy cruiserOver 400 — Very heavy
 185.64
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
 24.53
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
 2.03
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. 8.01 kn
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
 3.04
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. 1,724.47 pounds/inch
SA/Displacement (Calc) Calculated Sail Area to Displacement ratio using actual measured sail dimensions rather than reported values. More precise than the reported SA/Disp figure. 18.29
Rig Dimensions
I (Foretriangle Height) 54.00 ft / 16.46 m
J (Foretriangle Base) 15.00 ft / 4.57 m
P (Mainsail Luff) 47.75 ft / 14.55 m
E (Mainsail Foot) 17.00 ft / 5.18 m
SA Fore 405.00 ft² / 37.63 m²
SA Main 405.88 ft² / 37.71 m²
SA Total (100%) 810.88 ft² / 75.33 m²
Est. Forestay Length 56.04 ft / 17.08 m
Mast Height (DWL) 58.50 ft / 17.83 m
Engine & Accommodations
Engine Make Yanmar
Engine Type Diesel
Horsepower 47
Fuel Capacity 50 gals / 189 L
Water Capacity 100 gals / 379 L
How It Compares

vs. J/41, Oceanis 411 Beneteau, Passport 41

This boat Similar boats
Dimensions
LOA
Tartan 4100 ★
41.3 ft
J/41
41.3 ft
Oceanis 411 Beneteau
41.3 ft
Passport 41
41.3 ft
LWL
Tartan 4100 ★
35.8 ft
J/41
34.5 ft
Oceanis 411 Beneteau
35.1 ft
Passport 41
33.4 ft
Beam
Tartan 4100 ★
13.5 ft
J/41
13.1 ft
Oceanis 411 Beneteau
13.5 ft
Passport 41
12.7 ft
Displacement
Tartan 4100 ★
19 lbs
J/41
17 lbs
Oceanis 411 Beneteau
20 lbs
Passport 41
22 lbs
Ballast
Tartan 4100 ★
6 lbs
J/41
7 lbs
Oceanis 411 Beneteau
7 lbs
Passport 41
8 lbs
Sail Area
Tartan 4100 ★
810 sq ft
J/41
792 sq ft
Oceanis 411 Beneteau
775 sq ft
Passport 41
—
Performance
PHRF Rating (lower = faster)
Tartan 4100 ★
102 s/nm
J/41
—
Oceanis 411 Beneteau
—
Passport 41
132 s/nm
SA / Displacement (higher = more powerful)
Tartan 4100 ★
18.3
J/41
17.8
Oceanis 411 Beneteau
16.8
Passport 41
—
Ballast / Disp (higher = stiffer)
Tartan 4100 ★
33.7 %
J/41
41.2 %
Oceanis 411 Beneteau
35.2 %
Passport 41
37.3 %
Comfort Ratio (higher = more comfortable offshore)
Tartan 4100 ★
24.5
J/41
31.9
Oceanis 411 Beneteau
26.1
Passport 41
—
Capsize Screening (lower = safer)
Tartan 4100 ★
2.03
J/41
1.60
Oceanis 411 Beneteau
1.98
Passport 41
—
Displacement / Length (lower = lighter)
Tartan 4100 ★
185
J/41
156
Oceanis 411 Beneteau
207
Passport 41
272
Hull Speed
Tartan 4100 ★
8.0 kts
J/41
9.4 kts
Oceanis 411 Beneteau
7.9 kts
Passport 41
—
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