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1980 Dufour GibSea 37 Ketch

Listed
Expired
$25,000 USD

Seller's Description

Fully Loaded for Liveaboard, and Ready to Sail! It is the best time to start your caribbean sailing life!!! Best way to keep Social Distancing, Quarantine, and Isolation!! Price 25000 euro Location: Martinique This boat is a highly reliable boat with its tough and thick hull. she is very easy to handle and provides good secured feeling and safety with a center cockpit. It has lots and lots of storage space, which is very convenient! It sleeps 6 comfortably.

Equipment: More detailed below for your reference 2 x Lewmar 48/2-speed self-tailing winches for the headsails. The boat has been extended in the back to accommodate going up and down the boat with a fiberglass construction that is integrally part of the boat. ENGINE: PERKINS 4108 / 40HP 6008h. (rebuilt at 4000h); New injection pump(2019); New exhaust system (2019); New diesel pump (2019); New raw water pump bearing (2018); 2 blades propeller; Carbon shaft seal; ELECTRICITY -Solar charger MPPT 75/15; -Shore charger 110/220V CRISTEC; -3 batteries (285 Amp. Totals(New July 2019) 1 starter battery(New July 2019); -2 solar panels (85W each); -Battery monitor Xantrex Link 10; -Inverter 450W; -Wind generator APOLLO 1000W charger (to be installed); -Honda 1000 generator; INDEPENDENT CHARGING SYSTEM GOAL ZRO system; Separate battery and solar panel (105W) with integrated inverter; We use that system to independently charge our 2 laptops, phones, tablets, lamps, etc; SAILS Mainsail, Furling Genoa PRO FURL 40 (bearing is a lil’ old), Trinquette & Foc on Removable inner stay, which is new of 2019, Mizzen sail new of 2017; WATER 2 Flexible tanks 260 L 120 L; Fuel Diesel tank is 160 L NAVIGATION GPS Furuno; Radar Furuno; Autopilot Raymarine St400 with remote control; Hydraulic system 2 spare Autohelm 3000 cockpit autopilot; ANCHORING Spade anchor Danforth anchor; 60m galvanized chain bought in the US rope 15m; Windlass Lofran Cayman 88; TOOLS Lithium battery cordless tools; Drill, round saw, Jigsaw, Grinder; 110V tools: 2 x orbital sanders large-diameter polisher; other regular tools, ratchet, screwdrivers, etc; SAFETY Viking liferaft or 6 persons (needs revision); Emergency beacon KANNAD; IRRIDIUM sat phone; 4 inflatable PFD with harness; All flares, though some may need to be changed to be up to date; Sea anchor; Dinghy 3D tender UT260RCA Hypalon,260cm - 4 persons(Brand New December 2019); Outboard - 9.8HP Nissan(in Good shape 2017) Honda 2.3hp (2018) USA warranty is 5 years; Stainless steel cable and locks for dinghy Easy lift system at the back of the boat for dinghy OTHER EQUIPMENT 1x20L gaz bottle 2x10L gaz bottle a new life buoy(2019) Mast ladder (2017) Barracuda sewing machine for sails and canvas (2018); Rubber bumper. new, to be installed; WIFI system with antenna booster (Coastal Marine) new 2018; GALLEY customized with drawers and lots of storage; Oven - ENO; New stainless steel sink (new 2018); New water top (New Oct 2019) Fridge 12 volts (4 amp/h); Domestic Waeco CDF-45(Good isolation, very power economized); TOILET/SHOWER Inside toilet Jabsco(brand new Oct 2019), Gray water tank (mandatory in the states and other countries ) The separate shower system is outside – A USB charge pump you immerse in a bucket linked to a showerhead. We charge it every month and a half. Very convenient and saves lots of water and electricity. The pipes for the inner shower are still in place, we just don’t use them. There is a bilge pump in the toilet for that purpose. the chainplates reinforced with epoxy and portions of the roof (which is Balsa). Things to be done: Mainly in esthetics. Polish the wood and repainting parts inside, as relining the bulkheads in the 2 cabins. The dodger is getting old too, it’s totally ok to sail. Length:11.4 m Breadth: 3.75 m Depth: 1.92 m

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Specs

Designers
?
Builders
?
Associations
?
# Built
?
Hull
Monohull
Keel
?
Rudder
?
Construction
?

Dimensions

Length Overall
?
Waterline Length
121 4 / 37 m
Beam
9 10 / 3 m
Draft
9 10 / 3 m
Displacement
?
Ballast
?

Rig and Sails

Type
?
Reported Sail Area
?
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
2

Calculations

Hull Speed
?

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

?
Classic formula: ?
Sail Area/Displacement
?

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: under powered
16-20: good performance
>20: high performance
Ballast/Displacement
?

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: less stiff, less powerful
>40: stiffer, more powerful
Displacement/Length
?

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
?
<100: ultralight
100-200: light
200-300: moderate
300-400: heavy
>400: very heavy
Comfort Ratio
?

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
?
<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
?

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

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