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Seller's Description

West Wight Potter 15, 2013 sailboat for sale 2014 Yamaha 2.5 hp Outboard Motor (4 stroke) EZ loader Trailer (great condition) Sails and lines (great condition) Cabin cushions (great condition) Anchor Sailboat and trailer registration are all current Have clear titles for sailboat, trailer and motor Boat has been kept in indoor storage and is in excellent condition inside and out $10,000 Boat is located in Crosby, TX (near Houston)

Boat Specifications: Length Overall 15’ 0” Length waterline 12’ 0” Beam 5’ 6” Draft Keel Up 6” Keel Down 3’ 0” Keel Weight 100 lb Boat Weight w/ Keel 475 lb Aft Cabin Height 3’ 9” Motor Capacity 2-4 hp Mast Height above deck 15’ 6” or phone (832) 654-6838 six-eight-three-eight

Specs

Designers
Herb Stewart
Stanley T. Smith
Builder
International Marine
Associations
?
# Built
?
Hull
Monohull
Keel
Centerboard
Rudder
?
Construction
FG

Dimensions

Length Overall
14 11 / 4.6 m
Waterline Length
12 0 / 3.7 m
Beam
5 6 / 1.7 m
Draft
0 5 / 0.2 m 2 11 / 0.9 m
Displacement
470 lb / 215 kg
Ballast
100 lb / 45 kg

Rig and Sails

Type
Sloop
Reported Sail Area
87′² / 8.1 m²
Total Sail Area
?
Mainsail
Sail Area
?
P
?
E
?
Air Draft
?
Foresail
Sail Area
?
I
?
J
?
Forestay Length
?

Auxilary Power

Make
?
Model
?
HP
?
Fuel Type
?
Fuel Capacity
?
Engine Hours
?

Accomodations

Water Capacity
?
Holding Tank Capacity
?
Headroom
?
Cabins
?

Calculations

Hull Speed
6.4 kn
Classic: 4.64 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

6.42 knots
Classic formula: 4.64 knots
Sail Area/Displacement
22.9
>20: high 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.
22.89
<16: under powered
16-20: good performance
>20: high performance
Ballast/Displacement
20.9
<40: less stiff, less 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

20.93
<40: less stiff, less powerful
>40: stiffer, more powerful
Displacement/Length
122.2
100-200: light

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
122.22
<100: ultralight
100-200: light
200-300: moderate
300-400: heavy
>400: very heavy
Comfort Ratio
5.8
<20: lightweight racing boat

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
5.81
<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
2.8
>2.0: better suited for coastal cruising

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
2.83
<2: better suited for ocean passages
>2: better suited for coastal cruising

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

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