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2005 Island Packet 485

Listed
$469,900 USD

Seller's Description

Price Just Reduced 2nd Owner TurnKey Condition Professionally Maintained Deck Buffed and Waxed, June 2024

Equipment: Garmin 8616 Chartplotter, helm, 2021 Garmin 8612 Chartplotter, nav station, 2021 Garmin Auto pilot GHC 20 w/remote, 2021 Garmin AIS 800 Transceiver, 2021 Garmin GXM 54 Satellite Weather/Radio, 2021 Garmin wired G Wind transducer, 2021 Airmar UDST Triducer - speed, depth, temp, 2021 Garmin GMI Display x 3, 2021 Garmin Fanthom 24 in Radar, 2021 Garmin VHF 210 w/remote GHS 11 handset at helm and remote speaker below, 2021 Furuno Navtex receiver (warnings), 2021 Fusion MS RA-770 stereo w/4 zones, 2021 200W JL power amp, 2021 Garmin PS51 TH Pantascope forward Sonar, 2021 AIS Fog horn connected to speaker on mast Mast mounted loud hailer Shakespeare TV antenna, 2020 2 ea Samsung Smart TV, 2020 Peplink H2 dome dual cellular receiver/WiFi/Internet system w/onboard router Boat Command remote alarm/monitoring system remote A/C/lights on/off EPIRB Weems & Plath OGM LED tri-color anchor/nav light w/strobe (auto off in day light) Davis windex Tri-lens radar reflector Roller furling in-mast mainsail, 2020, Advanced Sails Roller furling genoa and staysail, 2020, serviced 2024 Cruising Spinnaker,PeakSails, like new, 2016 2ea Harken electric primary winches(2 speed) Harken electric cabin top winch w/cockpit controls 1000# remote control stern davit system, 2020 Hyundai 305W Solar panels mounted on davits 4 ea Polished SS Dorade style cowl vents w/guards Muir Cheetah 2500 anchor windlass Varnished teak cockpit table w/fiddles and hinged leaves Raw water deckwash 8 man life raft, 2020, needs recertification 10.4’ Achilles hard bottom w/center console w/25hp Suzuki, 2015 Bottom paint, 2021 Plow anchor Racor 50 anchorMasPower 10KW generator, 1200 hrs, 2021 Magnum remote/auto off/on Rainman watermaker 27 gal/hr(new) 10ea Lifeline AGM batteries, 2020 Charles 12K VA International Universal ISO transformer Magnum Inverter/charger 2000 w ME-RC50 remote monitor(house system) 100 amp battery charger/inverter

Heart Echo charger (generator/anchor and bow thruster) Balmar 110amp Alternator and regulator, isolator VacuFlush electric heads w/tank monitors and dedicated flush tank Maretron Ultrasound tank readers x 3 Floating electronic black tank reader Xintex wired CO detector Washer/dryer in the storage lazaretteFrigoboat Keel cooled refrigerator/freezer Force 10 3-burner stove w/oven Microwave/air fryer combo

Specs

Designer
Robert K. Johnson
Builder
Island Packet Yachts
Associations
?
# Built
?
Hull
Monohull
Keel
Long
Rudder
?
Construction
FG

Dimensions

Length Overall
47′ 11″ / 14.6 m
Waterline Length
43′ 2″ / 13.2 m
Beam
15′ 3″ / 4.7 m
Draft
5′ 2″ / 1.6 m
Displacement
44,150 lb / 20,026 kg
Ballast
16,000 lb / 7,257 kg (Lead)

Rig and Sails

Type
Cutter
Reported Sail Area
1,234′² / 114.6 m²
Total Sail Area
1,058′² / 98.3 m²
Mainsail
Sail Area
480′² / 44.6 m²
P
49′ 2″ / 15 m
E
19′ 5″ / 5.9 m
Air Draft
63′ 5″ / 19.4 m
Foresail
Sail Area
578′² / 53.7 m²
I
59′ 3″ / 18.1 m
J
19′ 5″ / 5.9 m
Forestay Length
62′ 4″ / 19 m

Auxilary Power

Make
?
Model
?
HP
110
Fuel Type
Diesel
Fuel Capacity
300 gal / 1,136 l
Engine Hours
?

Accomodations

Water Capacity
300 gal / 1,136 l
Holding Tank Capacity
?
Headroom
?
Cabins
3

Calculations

Hull Speed
9.8 kn
Classic: 8.8 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

9.81 knots
Classic formula: 8.8 knots
Sail Area/Displacement
15.8
<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.
15.81
<16: under powered
16-20: good performance
>20: high performance
Ballast/Displacement
36.2
<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

36.24
<40: less stiff, less powerful
>40: stiffer, more powerful
Displacement/Length
244.9
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
244.88
<100: ultralight
100-200: light
200-300: moderate
300-400: heavy
>400: very heavy
Comfort Ratio
39.0
30-40: moderate bluewater cruising 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
38.95
<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
1.7
<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
1.73
<2: better suited for ocean passages
>2: better suited for coastal cruising

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