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Ln 27 Lockley Newport
Designer: Stuart Windley/Harry Sindle  ·  Builder: Lockley-Newport  ·  First built: 1979
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About the Ln 27 Lockley Newport

Built during the 1980s, this 27-foot sailboat represents a practical approach to coastal cruising and day sailing. The Lockley Newport emerged from an era when builders focused on creating affordable, seaworthy vessels for recreational sailors seeking reliable performance without excessive complexity. While detailed specifications remain scarce, the design philosophy appears centered on traditional sailing characteristics with moderate displacement and a practical rig configuration. The boat's proportions suggest it was intended primarily for coastal waters and protected bay sailing, though capable sailors could venture into near-offshore conditions with proper preparation. The Lockley Newport's construction reflects typical fiberglass boatbuilding standards of its time, emphasizing durability over cutting-edge performance. Its beam and overall dimensions indicate reasonable interior space for weekend cruising or extended day sails, making it suitable for small families or couples seeking an entry-level cruising sailboat. Despite limited production numbers, these boats have developed a modest following among sailors who appreciate straightforward, no-nonsense sailing characteristics. The design prioritizes ease of handling over racing performance, making it particularly appealing to newer sailors or those seeking a reliable coastal cruiser without the maintenance demands of larger, more complex vessels.

Core Dimensions
LOA (Length Overall) 26.67 ft / 8.13 m
LWL (Waterline Length) 21.50 ft / 6.55 m
Beam 8.00 ft / 2.44 m
Max Draft 3.50 ft / 1.07 m
Displacement 5,200.00 lb / 2,359 kg
Ballast 2,000.00 lb / 907 kg
Sail Area (Reported) 317.00 ft² / 29.45 m²
Design & Construction
Hull Type Fin w/spade rudder
Rigging Type Masthead Sloop
Construction FG
Designer Stuart Windley/Harry Sindle
Builder Lockley-Newport
First Built 1979
Owner Reviews

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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
16.95
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
21.84
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
1.85
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. 6.21
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
2.33
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. 614.57
Rig Dimensions
I (Foretriangle Height) 30.0
J (Foretriangle Base) 11.25
P (Mainsail Luff) 28.25
E (Mainsail Foot) 10.5
SA Fore 168.75
SA Main 148.31
How It Compares

vs. Cal 2 27, Islander 27, Tanzer 27

This boat Similar boats
Dimensions
LOA
Ln 27 Lockley Newport ★
26.7 ft
Cal 2 27
26.6 ft
Islander 27
26.6 ft
Tanzer 27
26.6 ft
LWL
Ln 27 Lockley Newport ★
21.5 ft
Cal 2 27
22.1 ft
Islander 27
20.0 ft
Tanzer 27
22.5 ft
Beam
Ln 27 Lockley Newport ★
8.0 ft
Cal 2 27
9.3 ft
Islander 27
8.0 ft
Tanzer 27
9.5 ft
Displacement
Ln 27 Lockley Newport ★
5 lbs
Cal 2 27
6 lbs
Islander 27
4 lbs
Tanzer 27
6 lbs
Ballast
Ln 27 Lockley Newport ★
2 lbs
Cal 2 27
3 lbs
Islander 27
1 lbs
Tanzer 27
2 lbs
Sail Area
Ln 27 Lockley Newport ★
317 sq ft
Cal 2 27
374 sq ft
Islander 27
325 sq ft
Tanzer 27
Performance
PHRF Rating (lower = faster)
Ln 27 Lockley Newport ★
Cal 2 27
Islander 27
228 s/nm
Tanzer 27
216 s/nm
SA / Displacement (higher = more powerful)
Ln 27 Lockley Newport ★
17.0
Cal 2 27
16.9
Islander 27
20.4
Tanzer 27
Ballast / Disp (higher = stiffer)
Ln 27 Lockley Newport ★
Cal 2 27
Islander 27
41.5 %
Tanzer 27
36.3 %
Comfort Ratio (higher = more comfortable offshore)
Ln 27 Lockley Newport ★
21.8
Cal 2 27
22.8
Islander 27
18.1
Tanzer 27
Capsize Screening (lower = safer)
Ln 27 Lockley Newport ★
1.85
Cal 2 27
1.97
Islander 27
2.00
Tanzer 27
Displacement / Length (lower = lighter)
Ln 27 Lockley Newport ★
Cal 2 27
Islander 27
228
Tanzer 27
242
Hull Speed
Ln 27 Lockley Newport ★
6.2 kts
Cal 2 27
6.3 kts
Islander 27
6.0 kts
Tanzer 27
Speed Number (higher = faster)
Ln 27 Lockley Newport ★
2.3
Cal 2 27
1.9
Islander 27
2.7
Tanzer 27
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