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1983 Cape Dory Yachts Inc Cape Dory

Listed
Expired
$27,500 USD

Seller's Description

GIGI is a fully-equipped, cutter-rigged cruiser in good shape for its vintage. It had numerous upgrades in 2016 in preparation for an extensive international cruise which did not come to pass.It has been professionally maintained. since 2016. It sails beautifully.

Equipment: 31 Cape Dory Cutter with club-footed staysail

Mainsail, yankee and staysail

Whisker pole

25 HP Universal Motors Marine Diesel

Edson outboard motor platform

Davits and block and tackle

Swim ladder

FUSION Marine Stereo sound system (MS-IP600/MS-CD600/MS-AV600) including two speakers below decks and two above

Webasto Marine Comfort FCF air conditioning system

Ritchie compass

Wheel steering

Raymarine e7/e7D chart plotter mounted at steering pedestal

Raymarine i50 Sea Talking depth finder mounted on cabin cockpit bulkhead

Mainsail StackPack sail cover and lazy jacks

Plow anchor and auxiliary Danforth anchor, each with 50 feet of chain and lengths of anchor line

Two burner Origo 6000 alcohol stove with oven, never used

Frigoboat Refrigerator

Standard Horizon Matrix Series GX2000 25 Watt VHF/FM Marine Transceiver

Hand-held VHF

Hot water heater

Head with shower

Low engine hours

Boathook

Docklines

Bumpers

Shore power cable

Cockpit grates (2)

Masthead wind indicator

Shrouds wind indicators

cushions for berths

10’ 2018 AB Inflatable and 6 HP 2012 Yamaha outboard sold separately.

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Specs

Designer
Carl Alberg
Builder
Cape Dory Yachts
Association
Cape Dory Sailboat Owners Association
# Built
89
Hull
Monohull
Keel
Long
Rudder
?
Construction
FG

Dimensions

Length Overall
31 0 / 9.5 m
Waterline Length
23 3 / 7.1 m
Beam
9 9 / 3 m
Draft
4 9 / 1.5 m
Displacement
11,500 lb / 5,216 kg
Ballast
4,350 lb / 1,973 kg

Rig and Sails

Type
Cutter
Reported Sail Area
504′² / 46.8 m²
Total Sail Area
504′² / 46.9 m²
Mainsail
Sail Area
228′² / 21.1 m²
P
35 0 / 10.7 m
E
12 11 / 4 m
Air Draft
?
Foresail
Sail Area
277′² / 25.7 m²
I
41 0 / 12.5 m
J
13 5 / 4.1 m
Forestay Length
43 2 / 13.2 m

Auxilary Power

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

Accomodations

Water Capacity
?
Holding Tank Capacity
?
Headroom
?
Cabins
2

Calculations

Hull Speed
6.1 kn
Classic: 6.46 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

6.14 knots
Classic formula: 6.46 knots
Sail Area/Displacement
15.8
<16: under powered

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.
15.83
<16: under powered
16-20: good performance
>20: high performance
Ballast/Displacement
37.8
<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

37.83
<40: less stiff, less powerful
>40: stiffer, more powerful
Displacement/Length
407.9
>350: ultraheavy

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
407.88
<100: ultralight
100-200: light
200-300: moderate
300-400: heavy
>400: very heavy
Comfort Ratio
33.1
30-40: moderate bluewater cruising 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
33.12
<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
1.7
<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
1.73
<2: better suited for ocean passages
>2: better suited for coastal cruising

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

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