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Ny 40 Peterson
Designer: Doug Peterson  ·  Builder: O. J. Young /New Orleans Marine/Palmer Johnson  ·  First built: 1977
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About the Ny 40 Peterson

Designed by the respected Peterson design office, the Ny 40 Peterson is a performance-oriented sailboat that reflects the studio's reputation for producing capable, well-balanced offshore and bluewater cruising vessels. Peterson designs from this era are generally known for their seakeeping ability, efficient hull forms, and a blend of speed and seaworthiness that appeals to serious sailors looking for capable offshore passages. While detailed specifications for this particular model remain limited, boats carrying the Peterson name typically share a heritage of thoughtful engineering suited to demanding conditions beyond sheltered coastal waters. Prospective buyers drawn to the Ny 40 will likely find a yacht built with offshore capability in mind, offering a rewarding sailing experience for those who prioritize performance alongside practical cruising comfort. For anyone researching the Ny 40 Peterson, connecting with class associations, existing owners, or specialist brokers will be the most reliable path to uncovering detailed performance data, construction quality assessments, and firsthand accounts of life aboard. This is a boat worth investigating further for the discerning offshore cruising sailor.

Core Dimensions
LOA (Length Overall) 39.50 ft / 12.04 m
LWL (Waterline Length) 32.50 ft / 9.91 m
Beam 12.83 ft / 3.91 m
Max Draft 7.16 ft / 2.18 m
Displacement 18,500.00 lb / 8,391 kg
Ballast 6,800.00 lb / 3,084 kg
Ballast Type Lead
Design & Construction
Hull Type Fin w/spade rudder
Rigging Type Masthead Sloop
Construction FG
Designer Doug Peterson
Builder O. J. Young /New Orleans Marine/Palmer Johnson
First Built 1977
Last Built 1978
Number Built 21
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Performance Ratios
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
36.76
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
240.59
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. 8.94 pounds/inch
Rig Dimensions
I (Foretriangle Height) 17.15
J (Foretriangle Base) 17.00 ft / 5.18 m
P (Mainsail Luff) 747.00 ft² / 69.40 m²
E (Mainsail Foot) Westerbeke
How It Compares

vs. Fast Passage 39, Islander 40, Passport 40

This boat Similar boats
Dimensions
LOA
Ny 40 Peterson ★
39.5 ft
Fast Passage 39
39.5 ft
Islander 40
39.5 ft
Passport 40
39.4 ft
LWL
Ny 40 Peterson ★
32.5 ft
Fast Passage 39
33.5 ft
Islander 40
30.8 ft
Passport 40
33.4 ft
Beam
Ny 40 Peterson ★
12.8 ft
Fast Passage 39
11.8 ft
Islander 40
11.8 ft
Passport 40
12.7 ft
Displacement
Ny 40 Peterson ★
18 lbs
Fast Passage 39
21 lbs
Islander 40
17 lbs
Passport 40
22 lbs
Ballast
Ny 40 Peterson ★
6 lbs
Fast Passage 39
7 lbs
Islander 40
7 lbs
Passport 40
8 lbs
Sail Area
Ny 40 Peterson ★
Fast Passage 39
799 sq ft
Islander 40
734 sq ft
Passport 40
762 sq ft
Performance
PHRF Rating (lower = faster)
Ny 40 Peterson ★
Fast Passage 39
132 s/nm
Islander 40
Passport 40
141 s/nm
SA / Displacement (higher = more powerful)
Ny 40 Peterson ★
Fast Passage 39
16.9
Islander 40
17.8
Passport 40
15.2
Ballast / Disp (higher = stiffer)
Ny 40 Peterson ★
36.8 %
Fast Passage 39
35.7 %
Islander 40
Passport 40
37.3 %
Comfort Ratio (higher = more comfortable offshore)
Ny 40 Peterson ★
Fast Passage 39
34.2
Islander 40
29.3
Passport 40
34.0
Capsize Screening (lower = safer)
Ny 40 Peterson ★
Fast Passage 39
1.72
Islander 40
1.84
Passport 40
1.79
Displacement / Length (lower = lighter)
Ny 40 Peterson ★
240
Fast Passage 39
249
Islander 40
Passport 40
272
Hull Speed
Ny 40 Peterson ★
Fast Passage 39
7.8 kts
Islander 40
7.4 kts
Passport 40
7.8 kts
Speed Number (higher = faster)
Ny 40 Peterson ★
Fast Passage 39
2.2
Islander 40
2.2
Passport 40
1.9
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