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Seller's Description

Sonrisa is a 1996 Hunter 280 located in Alexandria VA, with a shoal draft (3 6) and can easily be sailed singlehandedly. We had numerous adventures on her up and down the Potomac and on the Chesapeake Bay. It is time for us to move to a bigger boat, which will allow you to set sail on this little cruiser.

The interior of Sonrisa is spacious, bright, and inviting, with an open design that makes the space feel much bigger for a boat of this size; with white easy to maintain finishes, and a teak and holly cabin sole. Good light and ventilation are provided by multiple windows, hatch and ports, and the companionway that is protected with a Bugbuster insect screen.

The v-berth can be extended to double adult size, has an overhead hatch, and port and starboard reading lights.

The salon has a wraparound settee with storage lockers under, the dinette table can be converted to a double berth, and there is a hanging locker on the port side.

The head is to the portside of the companionway; with a Jabsco head, manual pump (2018), PVC holding tank and hoses (2018), Corian countertop with molded sink, recessed storage, mirror and dome light, handheld shower (2018), and faucet (2018), upper and lower cabinets, storage locker, and port.

The aft cabin is comfortable and well ventilated, has a double berth with storage lockers under, hull and cockpit ports, one window, two lights and a fan.

The well-designed L-shaped galley to starboard allows food preparation at the dock, anchor or underway. The galley has a deep stainless-steel sink with pressure hot and cold water, insulated top loading ice box, the Corian counter tops have a foldable extension, and there are lower and upper storage compartments. The Origo 4100 two burner alcohol stove is safe and simple to use, with a port above the stove and the companion way that provide good ventilation while cooking.

Equipment: Electrical 110V/12V 1 Shorepower inlet 1 Shorepower cable Battery Charger 5 Gallon Water heater Air Conditioning (2018) Electric bilge pump (2018) LED lights (2018) 3x 12VAGM Batteries (2018)

Electronics Raymarine Chartplotter Raymarine ST60 Depthsounder Raymarine ST60 Wind Instrument Raymarine ST60 Knotmeter VHF Radio Speakers in cabin and cockpit Raymarine ST-400 Autopilot (2018) Raymarine windvane/windspeed (2021)

Deck and Cockpit Single bowroller Rub Rail Danforth Anchor Anchor well S/S handholds on coachroof 2 x Self-tailing winches on coachroof 2 x Self-tailing winches on coamings Cockpit table Perch seats on stern rail Cockpit storage locker Removable transom to access swim platform S/S swim ladder Dodger (Windows in 2018) Bimini (2018)

Sails & Rigging B & R Fractional Rig Mainsail 110% Genoa Furling forestay

Engine 20HP Yanmar 2GM-20F. Professionally maintained Engine cover (companionway steps) can be easily removed for all around access. High-Capacity alternator (2019) Leakless stuffing box (2020) Three blade propeller (2020)

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Specs

Designer
Rob Mazza
Builder
Hunter Marine
Associations
?
# Built
?
Hull
Monohull
Keel
Fin + Bulb
Rudder
Spade
Construction
FG

Dimensions

Length Overall
27 11 / 8.5 m
Waterline Length
23 7 / 7.2 m
Beam
9 6 / 2.9 m
Draft
3 6 / 1.1 m
Displacement
6,500 lb / 2,948 kg
Ballast
2,100 lb / 953 kg

Rig and Sails

Type
Sloop
Reported Sail Area
428′² / 39.8 m²
Total Sail Area
338′² / 31.4 m²
Mainsail
Sail Area
190′² / 17.7 m²
P
31 7 / 9.7 m
E
12 0 / 3.7 m
Air Draft
?
Foresail
Sail Area
148′² / 13.8 m²
I
31 5 / 9.6 m
J
9 4 / 2.9 m
Forestay Length
32 10 / 10 m

Auxilary Power

Make
Yanmar
Model
?
HP
18
Fuel Type
Diesel
Fuel Capacity
20 gal / 76 l
Engine Hours
?

Accomodations

Water Capacity
40 gal / 151 l
Holding Tank Capacity
?
Headroom
?
Cabins
2

Calculations

Hull Speed
7.5 kn
Classic: 6.51 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: 6.51 knots
Sail Area/Displacement
19.7
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.
19.66
<16: under powered
16-20: good performance
>20: high performance
Ballast/Displacement
32.3
<40: less stiff, less 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

32.33
<40: less stiff, less powerful
>40: stiffer, more powerful
Displacement/Length
221.0
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
221.04
<100: ultralight
100-200: light
200-300: moderate
300-400: heavy
>400: very heavy
Comfort Ratio
19.6
<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
19.62
<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
2.07
<2: better suited for ocean passages
>2: better suited for coastal cruising

Notes

Wing Keel version: draft = 3.5’.

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

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