Pearson 31 Information, Review, Specs

Boat drawing
Make
Pearson
Model
31
Number Built
Production Year(s)
1977 - 1981

The Pearson 31, introduced in 1977, stands as a testament to Pearson Yachts' commitment to producing well-built and versatile fiberglass sailboats for the cruising and racing enthusiast. Designed by the prolific William Shaw, this monohull sloop aimed to offer a contemporary hull and rig, balancing performance with comfortable accommodations. Developed during a period of sustained growth for Pearson Yachts under Grumman's ownership, the Pearson 31 exemplifies the builder's reputation for robust construction and innovative use of fiberglass, making sailing accessible to a broad market.

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History and Design

The Pearson 31 was in production from 1977 to 1981. William Shaw, who became Chief Naval Architect for Pearson Yachts in 1964, was the designer behind this model. His design philosophy for cruising boats emphasized simplicity, reliability, and seaworthiness, believing they should be capable of handling challenging conditions while offering comfortable living spaces. The Pearson 31 specifically presented a design challenge for Shaw, who aimed for a contemporary hull and rig that could also race effectively, highlighting its dual-purpose versatility. During this era, Pearson Yachts, under Shaw's leadership, continued its rapid expansion, leveraging large manufacturing plants and a focus on fiberglass construction to produce a steady stream of models. The original Pearson 31 design was succeeded by an entirely different model, the Pearson 31-2, also designed by William Shaw, which was introduced in 1987.

Sailing Performance and Handling

The Pearson 31 is characterized by a fractional sloop rig, a fin keel, and a spade rudder, a modern configuration for its time designed to enhance performance and maneuverability. With a sail area to displacement ratio (ratio_sa_disp) of approximately 18.0, the Pearson 31 suggests a good balance for both light and moderate winds, capable of moving well without being overly tender. Its ballast to displacement ratio (ratio_bal_disp) of around 40.4% indicates a reasonably stiff boat, providing good stability and allowing it to stand up to a fair amount of wind before requiring reefs. The displacement to length ratio (ratio_disp_lwl) of approximately 283 categorizes it as a medium-displacement cruiser, offering a comfortable motion in a seaway without sacrificing too much speed. This combination aimed to deliver a yacht that was enjoyable to sail and capable of competitive performance, aligning with Shaw's goal of a versatile design. Anecdotal reviews often praise the Pearson 31 for its pleasant sailing characteristics, describing it as a well-balanced vessel.

Accommodations and Layout

While specific details on the interior layout are not extensively provided in the structured data, the Pearson 31 was designed with a roomy and luxurious interior, reflecting Pearson's typical attention to quality. Generally, sailboats of this size and era feature a traditional interior arrangement. Common layouts for similar Pearson models typically include a V-berth forward, a main salon with settees that convert into berths, a galley, and a navigation station. A head compartment is standard, often located between the V-berth and the salon or aft. Given Pearson's reputation, the interior likely features a blend of wood trim and fiberglass liners, offering a practical and durable finish. Storage would be found in lockers, drawers, and under settees. Ventilation would typically be provided by deck hatches and opening ports. The original Pearson 31's interior was noted for its traditional layout with some "new twists".

Owner's Perspectives

Owners of Pearson 31 sailboats frequently highlight their solid construction and comfortable motion. However, a common issue reported by owners of this era of Pearson yachts, including the Pearson 31, is the potential for balsa-cored decks to develop rot due to water intrusion, often around deck fittings. While this is a recurring maintenance consideration, it is often seen as a manageable problem by the owner community. The active online communities and forums, such as those associated with the Pearson Yachts Portal, serve as valuable resources where owners share knowledge, troubleshooting tips, and support, reinforcing the strong bond among Pearson enthusiasts. The enduring appeal of the Pearson 31 lies in its robust build, sensible design, and capacity for both cruising comfort and enjoyable sailing.

Measurements

Construction & Hull

Construction Material
Fiberglass (Solid)
Hull Type
Monohull Sailboat
Keel Type
Fin
Rudder
1x Spade
Ballast
3800 lbs (Lead)
Displacement
9400 lbs
Water Capacity
-
Fuel Capacity
-

Engine

Engine Make
Universal-Atomic
Engine Model
Atomic 4
Engine Type
Engine HP
25
Engine Count
1
Drive Type
Fuel Type
Gasoline
Hover over a measurement
IJPE FS LOALWL

Rig & Sails

Rig Type
Fractional Sloop
P (Main Luff)
39 ft
E (Main Foot)
13.3 ft
I (Foretriangle Height)
35 ft
J (Foretriangle Base)
11.8 ft
Forestay Length (est)
36.94 ft
Main Sail Area
259.35 sqft
Foretriangle Sail Area
206.5 sqft
Total Sail Area (Reported)
466 sqft
Total Sail Area (Calc)
465.85 sqft

Dimensions

LOA
31 ft
LWL
25 ft
Beam
10.5 ft
Draft
5.5 ft
Max Headroom
-
Air Draft
-

Calculations

Hull Speed
6.7 kn
Pounds per Inch Immersion
937.94