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Upgrades/recent work:
New Dodger w/ makrolon windows 11/2019 All New Canvas except for wheel cover 2020/2021 New mainsail cover 10/2020 New customer mattress in the V berth 10/2020 All new interior cushions 11/2020 New Raritan super flush head and hoses 6/2021 New seals on 4 opening port windows in the V berth and bathroom 2019 New boom vang 10/2021 New bottom paint 2/2022 New bottom stripe 2/2022 New faucet in the bathroom sink 2018 New Kenwood stereo with CD player 2019 Hull and Deck compounded, buffed, waxed 4/2022 New Stuffing box and prop shaft 8/2018 New starter battery 2019, one new house battery 2019 Lifesling 2018
Equipment: Sails and rigs:
Mainsail with lazy jacks Headsail on Harken roller furler 2x Lewmar #30 ST primary winches 1 single speed #20 cabin top winch Standing rigging replaced in 2007 Running rigging Clutch All lines led aft Boom kicker and boom vang Rocna #35 bow anchor with chain Stern anchor Maxwell electric windlass w/ remote control in cockpit Covers for windlass, rails, mainsail, propane tanks, companion way, winches, engine gauges, dodger, and outboard. Extender for connecting the dodger to the Bimini. Tohatsu 3.5 4 stroke outboard engine for dinghy, Cockpit cushions Yanmar 2gm2 2 cyl inboard diesel with 525 engine hours 18hp
Galley: Hillarange 2 burner propane stove w/oven Very large icebox 2x SS sinks with teak covers Storage lockers Foldout counter extension for extra workspace Pressure water Hot water heater Magma BBQ
Electrical: Xantrex Link 20 battery charger 2x AGM batteries in battery box in lazarette
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.
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
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.
SA/D = SA ÷ (D ÷ 64)2/3
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.
Ballast / Displacement * 100
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.
D/L = (D ÷ 2240) ÷ (0.01 x LWL)³
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.
Comfort ratio = D ÷ (.65 x (.7 LWL + .3 LOA) x Beam1.33)
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.
CSV = Beam ÷ ³√(D / 64)
Same hull as the ISLANDER 30 MKII.
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