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1987 Prout Snowgoose Elite

Listed
Expired
$82,500 USD

Seller's Description

Major improvements done between 2020-2022.

Dragonfly is a spacious, well built bluewater Prout Snowgoose Elite catamaran originally from the UK. We have lived on her since 2020 and have spent the majority of the time doing a big refit. She is upgraded, runs fully on solar and is cruiser ready! When we werent making improvements we sailed her from St Croix, USVI to Florida and then through the Bahamas where her shallow draft took us to gorgeous less traveled waters and amazing beaches! She is turn key ready, set up for a solo sailor but has plenty of room for more. Perfect for a couple or small family and ready for the Bahamas again or further afield. She is a reliable and capable sailboat proving herself with a circumnavigation in the early 2000s. She has 3 berths, one double in the aft starboard pontoon, one double in the aft port pontoon and the largest forward amidship (queen size mattress). Two fridges/freezers (Run off solar, no need for a generator) Two fresh water tanks which hold 150 gallons of fresh water total with inspection hatches. Tanks can be isolated. Salt water foot pump at sink One composting Airhead installed 2021 One direct overboard head, rebuilt 2021

Rebuilt Sillette drive leg New propane system (high quality Trident parts) New bottom job (epoxy barrier coats/anti foul) Replaced 5 seacocks and through hulls with Forespar Marelon and 1 with bronze Groco. LED navigation lights, anchor light, indoor lights (pull almost no power)

This boat is ready to cruise immediately and truly a turnkey vessel. Just bring a bathing suit and head out! We are very safety conscious and experienced cruisers and have made upgrades with this in mind. Delivery is possible to anywhere on the East Coast for a fee and we are willing to train the new owner if you need help learning the ropes!

Equipment: 4 Sunpower 170watt flexible panels added to Bimini. 2 Victron solar charge controllers 4 Renogy 100amp hour deep cycle AGM batteries (December 2021) Renogy 1000 watt pure sine inverter Foruno Radar Raytheon Hydraulic Autopilot Ray marine Depth sounder Ray marine wind instruments

Primary anchor: 55lbs Mantus anchor with 200ft HT G4 5/16 chain Secondary anchor: Fortress 20ft chain with 250ft 7/16 3 strand nylon line Muir Windlass Installed new Seastar steering cylinder 2022

Yanmar 3hm35f inboard engine Replaced heat exchanger and exhaust manifold New exhaust elbow and exhaust hose Rebuilt raw water pump All new cooling hoses New secondary fuel filter New fuel lift pump New high pressure oil lines All routine maintenance has been done periodically. Engine starts easily and runs well.

New oversized standing rigging 2017 Fully battened Mainsail with stack pack on boom. Roller furling Staysail & Genoa Light air Drifter head sail All sails in good condition.

Carib RIB Dinghy 105 15hp Yamaha 2 stroke 2018 Perfect for the Bahamas. Gets on plane easily to access dive spots or to get into town.

Emergency tiller Epirb IridiumGo (2021/ like new/ plus marine antenna package) Handheld VHF SGC SSB radio and pactor 3 modem (not installed but on boat) Comes with isolated back stay for antenna. New Whale Manual Bilge Pumps New Plastimo Helm Compass Binoculars Flare gun/ flares Fire extinguishers Life jackets Back deck shower Coconut fiber bricks for head Tons of spare parts for every system aboard.

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Specs

Designer
Prout
Builder
Prout & Sons
Associations
?
# Built
?
Hull
Catamaran
Keel
Twin
Rudder
?
Construction
FG

Dimensions

Length Overall
37 0 / 11.3 m
Waterline Length
33 0 / 10.1 m
Beam
16 0 / 4.9 m
Draft
2 9 / 0.9 m
Displacement
11,500 lb / 5,216 kg
Ballast
?

Rig and Sails

Type
Cutter
Reported Sail Area
600′² / 55.7 m²
Total Sail Area
?
Mainsail
Sail Area
?
P
?
E
?
Air Draft
?
Foresail
Sail Area
?
I
?
J
?
Forestay Length
?

Auxilary Power

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

Accomodations

Water Capacity
?
Holding Tank Capacity
?
Headroom
?
Cabins
3

Calculations

Hull Speed
10.1 kn
Classic: 7.7 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

10.14 knots
Classic formula: 7.7 knots
Sail Area/Displacement
18.8
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.
18.84
<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
142.8
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
142.78
<100: ultralight
100-200: light
200-300: moderate
300-400: heavy
>400: very heavy
Comfort Ratio
12.6
<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
12.59
<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
2.9
>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
2.88
<2: better suited for ocean passages
>2: better suited for coastal cruising

Notes

Updated version of the SNOWGOOSE 37. More beam and some changes to hull shape.
The SNOWGOOSE 37 (all iterations) was enormously popular with more than 500 built.

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