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1980 Hunter Cherubini

Listed
Expired
$13,500 USD

Seller's Description

Safe and good sailing cruiser. Easy to single-hand. Live aboard comfort. New teak & holly cabin floor and new cushions in salon and cockpit.

Equipment: - Sails in good condition, 150 (Harken roller furling) genoa - Oversized Harken self-tailing sheet winches - Refurbished Yanmar diesel engine (2020) - New external ballast keel bolts (2020) - New automatic bilge pump (2021) - New brass through hull fittings (2020) - Reinforced skeg & rudder (2020) - New drive shaft & propeller (2020) - New battery charger (2020) - New marine radio with cockpit mic (2020) - New 6 gallon hot water heater (2020) - Head includes shower

Specs

Designer
John Cherubini
Builder
Hunter Marine
Associations
?
# Built
1000
Hull
Monohull
Keel
Fin
Rudder
Skeg
Construction
FG (solid hull and balsa deck)

Dimensions

Length Overall
29 11 / 9.1 m
Waterline Length
25 9 / 7.9 m
Beam
10 0 / 3.1 m
Draft
4 0 / 1.2 m
Displacement
9,700 lb / 4,400 kg
Ballast
4,100 lb / 1,860 kg

Rig and Sails

Type
Sloop
Reported Sail Area
453′² / 42.1 m²
Total Sail Area
453′² / 42.1 m²
Mainsail
Sail Area
197′² / 18.3 m²
P
34 2 / 10.4 m
E
11 6 / 3.5 m
Air Draft
?
Foresail
Sail Area
257′² / 23.8 m²
I
39 11 / 12.2 m
J
12 9 / 3.9 m
Forestay Length
41 11 / 12.8 m

Auxilary Power

Make
Yanmar
Model
?
HP
?
Fuel Type
Diesel
Fuel Capacity
12 gal / 45 l
Engine Hours
?

Accomodations

Water Capacity
33 gal / 125 l
Holding Tank Capacity
?
Headroom
?
Cabins
1

Calculations

Hull Speed
7.5 kn
Classic: 6.8 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

7.49 knots
Classic formula: 6.8 knots
Sail Area/Displacement
15.9
<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.
15.94
<16: under powered
16-20: good performance
>20: high performance
Ballast/Displacement
42.3
>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

42.27
<40: less stiff, less powerful
>40: stiffer, more powerful
Displacement/Length
253.5
200-300: 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
253.5
<100: ultralight
100-200: light
200-300: moderate
300-400: heavy
>400: very heavy
Comfort Ratio
25.0
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
24.96
<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
1.9
<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
1.91
<2: better suited for ocean passages
>2: better suited for coastal cruising

Notes

Shoal draft: 4.3’.
A keel/cb version was also available.

Tall Rig:
I: 42.00’/12.80m
J: 12.83’/3.91m
P: 37.00’/11.28m
E: 10.70’ / 3.26m
Total (100% main +fore.): 467.38 ft2/43.42 m2
an unfinished (kit) version was called the QUEST 30.

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