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Seller's Description

PRICE REDUCED – Good solid boat located on Lake Champlain. Easy to sail and can be fast when she needs to be. I’m the second owner. Boat has only been in fresh water since built. Collapsible dinette table. Bottom completely re-done in 2016. New interior cabin cushions in 2017. New primary winches in 2018. New 12v electrical panel and LED navigational lights in 2019. Steel cradle for winter storage included as well. Full compliment of sails. One main, three jib sails and three symmetrical spinnakers. Aluminum spinnaker pole. $14,250 or best offer. Sale price includes remainder of season on Mooring at Port Henry Marina. Zodiac dingy available with 6 HP Honda motor under separate negotiated sale price.

Equipment: 3GM30F Yanmar diesel engine Lewmar 30 self tailing primary winches Signet Marine gauges Lewmar 33lb Danforth Anchor with 100’ rode and 10’ chain with new bow roller installed in 2017 Steel Cradle Zodiac Aero floor 9’ dinghy 6hp Honda outboard (dinghy and motor can be purchased as sperate sale) Dock lines Folding boarding ladder Emergency rudder Safety equipment

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Specs

Designer
William Shaw
Builder
Pearson Yachts
Associations
?
# Built
?
Hull
Monohull
Keel
Fin
Rudder
Spade
Construction
FG

Dimensions

Length Overall
31 0 / 9.5 m
Waterline Length
31 0 / 9.5 m
Beam
4 11 / 1.5 m
Draft
4 11 / 1.5 m
Displacement
9,400 lb / 4,264 kg
Ballast
3,800 lb / 1,724 kg (Lead)

Rig and Sails

Type
Sloop
Reported Sail Area
466′² / 43.3 m²
Total Sail Area
466′² / 43.3 m²
Mainsail
Sail Area
259′² / 24.1 m²
P
39 0 / 11.9 m
E
13 3 / 4.1 m
Air Draft
?
Foresail
Sail Area
206′² / 19.2 m²
I
35 0 / 10.7 m
J
11 9 / 3.6 m
Forestay Length
36 11 / 11.3 m

Auxilary Power

Make
Universal
Model
Atomic 4
HP
25
Fuel Type
Gas
Fuel Capacity
?
Engine Hours
?

Accomodations

Water Capacity
?
Holding Tank Capacity
?
Headroom
?
Cabins
1

Calculations

Hull Speed
7.3 kn
Classic: 6.7 kn

Hull Speed

The theoretical maximum speed that a displacement hull can move efficiently through the water is determined by it's waterline length and displacement. It may be unable to reach this speed if the boat is underpowered or heavily loaded, though it may exceed this speed given enough power. Read more.

Formula

Classic hull speed formula:

Hull Speed = 1.34 x √LWL

A more accurate formula devised by Dave Gerr in The Propeller Handbook replaces the Speed/Length ratio constant of 1.34 with a calculation based on the Displacement/Length ratio.

Max Speed/Length ratio = 8.26 ÷ Displacement/Length ratio.311
Hull Speed = Max Speed/Length ratio x √LWL

7.25 knots
Classic formula: 6.7 knots
Sail Area/Displacement
16.7
16-20: good performance

Sail Area / Displacement Ratio

A measure of the power of the sails relative to the weight of the boat. The higher the number, the higher the performance, but the harder the boat will be to handle. This ratio is a "non-dimensional" value that facilitates comparisons between boats of different types and sizes. Read more.

Formula

SA/D = SA ÷ (D ÷ 64)2/3

  • SA: Sail area in square feet, derived by adding the mainsail area to 100% of the foretriangle area (the lateral area above the deck between the mast and the forestay).
  • D: Displacement in pounds.
16.74
<16: under powered
16-20: good performance
>20: high performance
Ballast/Displacement
40.4
>40: stiffer, more powerful

Ballast / Displacement Ratio

A measure of the stability of a boat's hull that suggests how well a monohull will stand up to its sails. The ballast displacement ratio indicates how much of the weight of a boat is placed for maximum stability against capsizing and is an indicator of stiffness and resistance to capsize.

Formula

Ballast / Displacement * 100

40.43
<40: less stiff, less powerful
>40: stiffer, more powerful
Displacement/Length
268.6
200-275: moderate

Displacement / Length Ratio

A measure of the weight of the boat relative to it's length at the waterline. The higher a boat’s D/L ratio, the more easily it will carry a load and the more comfortable its motion will be. The lower a boat's ratio is, the less power it takes to drive the boat to its nominal hull speed or beyond. Read more.

Formula

D/L = (D ÷ 2240) ÷ (0.01 x LWL)³

  • D: Displacement of the boat in pounds.
  • LWL: Waterline length in feet
268.59
<100: ultralight
100-200: light
200-300: moderate
300-400: heavy
>400: very heavy
Comfort Ratio
23.5
20-30: coastal cruiser

Comfort Ratio

This ratio assess how quickly and abruptly a boat’s hull reacts to waves in a significant seaway, these being the elements of a boat’s motion most likely to cause seasickness. Read more.

Formula

Comfort ratio = D ÷ (.65 x (.7 LWL + .3 LOA) x Beam1.33)

  • D: Displacement of the boat in pounds
  • LWL: Waterline length in feet
  • LOA: Length overall in feet
  • Beam: Width of boat at the widest point in feet
23.49
<20: lightweight racing boat
20-30: coastal cruiser
30-40: moderate bluewater cruising boat
40-50: heavy bluewater boat
>50: extremely heavy bluewater boat
Capsize Screening
2.0
<2.0: better suited for ocean passages

Capsize Screening Formula

This formula attempts to indicate whether a given boat might be too wide and light to readily right itself after being overturned in extreme conditions. Read more.

Formula

CSV = Beam ÷ ³√(D / 64)

  • Beam: Width of boat at the widest point in feet
  • D: Displacement of the boat in pounds
1.99
<2: better suited for ocean passages
>2: better suited for coastal cruising

Notes

A second PEARSON 31 (PEARSON 31-2), introduced in 1987, is an entirely different design (though also from William Shaw).

This listing is presented by SailboatListings.com. Visit their website for more information or to contact the seller.

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