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Seller's Description

1985 Hunter 28.5 Diesel, Wheel and Roller Furling Genoa, Mainsail with Lazy Jacks and Stack Pack, Bimini

Basic Boat Information: Boat Name: NOLA Make: Hunter Model: 285 Year: 1985 Condition: Used Category: Sail Builder: Hunter Marine Designer: Hunter Design Construction: Fiberglass Boat Hull ID: HUN29157D585 Has Hull ID: Yes Keel Type: Fin Keel Dimensions Length: 28 ft Length Overall: 28’5 ft Waterline Length: 23’9 ft Beam: 10’6 ft Max Draft: 5’2 ft Displacement: 7,000 lb Ballast: 3,000 lb Cabins Count: 2 Engines / Speed Engines: 1 Make: Yanmar Model: 2GM Drive Type: Direct Fuel: Diesel Engine Power: 14hp Type: Inboard Year: 1985 Engine Location: Center Tanks Fuel Tanks: 1 Fuel Tank Capacity: 11 gal Water Tanks: 1 Water Tank Capacity: 27 gal Other Heads Count: 1 Drive Type: Direct Boat Class: Cruisers

Disclaimer The Company offers the details of this vessel in good faith but cannot guarantee or warrant the accuracy of this information nor warrant the condition of the vessel. A buyer should instruct his agents, or his surveyors, to investigate such details as the buyer desires validated. This vessel is offered subject to prior sale, price change, or withdrawal without notice.

Equipment: Accommodations V Berth Forward is open to Main Cabin for very open feeling of space. Can be separated by privacy curtain. Main Cabin has U shaped Settee with Drop leaf Dining Table seats 6 easily Navigation desk at aft end of Starboard Settee with VHF. Stereo with Speakers Head with Sink and Shower is to Starboard of main companionway. Galley with Sink, Two Burner Stove and Icebox is to Port of companionway Private Aft Double Berth with Hanging Locker is accessed to Port aft of Galley Deck Sails & Rigging Roller Furling Genoa Mainsail with Lazy Jacks and Stack Pack Bimini Binnacle Cover Quick mounts at binnacle Spinnaker and spinnaker pole Two Marinco Exhaust Fans One replacement Hatch Two RAM mount Cup Holders Two Robsheet Sheet Bags on aft Cabin bulkhead Swim Ladder on Transom

Electrical 12v system for Navigation Instruments/lights and Cabin Lights Shore Power Connection

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Specs

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

Dimensions

Length Overall
27 11 / 8.5 m
Waterline Length
?
Beam
10 0 / 3.1 m
Draft
4 11 / 1.5 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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