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Seller's Description

The owner bought this boat in 2019

General condition and any additional information

Would be interested in trading for a 35-38 Pilot House Sailboat. Looking to move to the Pacific North West and need to stay warm while at sea. By the way, this would make a great live aboard for a single person in sunny southern California! Cheers!

Standard features

Hunter 31 would make a terrific Entry Level Racing Boat.

As you board the Hunter 31, you can easily see why this boat is special. The foredeck is uncluttered, and both the standing and running rigging are in excellent condition. The cockpit is large and roomy with self-tailing winches in the right places, lots of storage and perfectly proportioned pedestal steering. The BG instruments are easily readable in direct sunlight, and all lines are led aft for ease of sail trim.

The mast head rig features swept spreaders. The deck is uncluttered, except for lifelines, genoa track and shrouds, the latter attached nearer the coachroof than to the outside rail. The shroud placement allows crew to move more easily fore and aft for sail changes or foredeck work. The lifeline stanchions are mounted outboard, creating additional room on deck. The cockpit lockers are large enough to stow all sails and other equipment. Theres a big-boat feel once you go below. Headroom is 6 feet 3 inches in the spacious saloon, but the V-berth is tight for two adults. The head with sink and toilet is just outside the V-berth and fitted with a privacy door. The overall layout is social, with a U-shaped galley to starboard that allows the cook to converse or otherwise take part in the goings on. The galley has a two-burner stove (build to suit), sink and an icebox. It is abutted by a dinette that seats four. The port side features a settee and full navigation station with chart table and light. Plentiful windows provide light and cross ventilation. The boat carries 35 gallons of water.

The hull was laid in 1984 and were fitted with a 13-horsepower, freshwater-cooled, Yanmar diesel. Later boats were beefed up with a 16-horsepower engine. Panels allow for good engine access. The boat carries 18 gallons of fuel.

Improvements to the hull, deck, rigging, engine, or interior

UPGRADES in 2021 include:

• New Stanchion block storage for Whisker Pole • New Topping lift for Whisker Pole • New Standing Rigging New Shaffer Jib Furler • New Spinnaker System • New Lazy Jack System • New Propane Galley Stove/ Oven (3-burner) with Propane Rail Storage (ultra-safe) • New Anchor and SS Chain

UPGRADES in 2020 include:

• New Backstay rigging and Shaffer Blocks • Passed Rigging Inspection (IYS) • Raritan Marine Toilet with Silent Seat • Complete Winch Rebuilt with Wincher Self-tailing upgrades • New Sheets, Halyards and dock lines • Dynema Topping Lift • Rebuild Boom Assembly to accommodate single reefing configuration • Reconditioned Main Sail and 135 Jib with UV Trim Installed • New Cable Gates • Bottom Paint with Interlux Ultra • New Zincs • Prop and shaft reconditioning • BG Instrument in NavPods on NEMA 2000 backbone • New Raw Water Thru Hull • G-12 mast plate upgrades for improved compression • New Running, steaming, deck and anchor lighting. • New LED cabinet lighting • New ICom VHF IC-M506 Radio with Cockpit Command Mic • New VHF Antenna and BG GPS/ Compass • New Water Pump with Inline filter • Slip Transfer available (No Waiting List) • New Batteries and Terminal Blocks • New Battery Charger • USCG Legal placards • New windows, screens and rubber gaskets • New Fire Extinguisher • New Windex and Clinometer • New Bilge Pump • Engine Compartment Fireproofing/ Soundproofing • Yanmar Fuel System Re-build, Oil Change, Belts and Filters, Raw Water Pump, muffler and anti-syphon vent, mixing elbow hoses etc. Box of Spare Parts for new owner. • New Sunbrella Sail Cover

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Specs

Designer
Cortland Steck
Builder
Hunter Marine
Associations
?
# Built
?
Hull
Monohull
Keel
Fin
Rudder
Spade
Construction
FG

Dimensions

Length Overall
31 3 / 9.6 m
Waterline Length
26 2 / 8 m
Beam
10 11 / 3.3 m
Draft
5 3 / 1.6 m
Displacement
9,700 lb / 4,400 kg
Ballast
4,000 lb / 1,814 kg

Rig and Sails

Type
Sloop
Reported Sail Area
458′² / 42.6 m²
Total Sail Area
458′² / 42.5 m²
Mainsail
Sail Area
206′² / 19.1 m²
P
37 5 / 11.4 m
E
10 11 / 3.4 m
Air Draft
47 4 / 14.4 m
Foresail
Sail Area
252′² / 23.4 m²
I
41 11 / 12.8 m
J
12 0 / 3.7 m
Forestay Length
43 8 / 13.3 m

Auxilary Power

Make
Yanmar
Model
?
HP
16
Fuel Type
Diesel
Fuel Capacity
18 gal / 68 l
Engine Hours
?

Accomodations

Water Capacity
33 gal / 125 l
Holding Tank Capacity
?
Headroom
?
Cabins
?

Calculations

Hull Speed
7.7 kn
Classic: 6.87 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

7.7 knots
Classic formula: 6.87 knots
Sail Area/Displacement
16.1
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.
16.11
<16: under powered
16-20: good performance
>20: high performance
Ballast/Displacement
41.2
>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

41.23
<40: less stiff, less powerful
>40: stiffer, more powerful
Displacement/Length
239.5
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
239.5
<100: ultralight
100-200: light
200-300: moderate
300-400: heavy
>400: very heavy
Comfort Ratio
22.2
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
22.18
<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
2.1
>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
2.05
<2: better suited for ocean passages
>2: better suited for coastal cruising

Notes

Shoal draft: 4.0’/1.22m
Disp. (Shoal draft): 9900 lbs/4494 kg

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

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