If you are looking for an easy versatile sailboat that is easy to single hand or include a crew with the comfort you have found it with this 1983 Person 303.
This sailboat plan is a great daysailer or long weekender that is spacious on deck as well as below.
Relax in comfort and cruise with good visibility while positioned in the spacious cockpit even with the wheel mount helm there is room to move about.
The Islander 30 MK II can accommodate a single handler with ease or a family for a weekend venture cruising the coastline and exploring the intimate coves for an overnight anchorage.
Below there is 6-foot headroom, the galley is well-equipped. The well-insulated 5-cubic-foot icebox that drains to the bilge. The sink is serviced by both pressure and foot-operated freshwater pumps and there is a two-burner stove and oven for cooking. There is a good-sized quarter berth opposite the galley that stretches aft. Port and starboard settees in the saloon have removable seatbacks that allow them to be converted into comfy berths for sleeping. A dining table folds down from the starboard bulkhead and has a leaf that extends to the port bench to allow seating for four.
There is a large head with a handheld shower, sink and toilet. The forward cabin has a large v-berth and a small bureau next to it
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 √LWLA 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)
Thanks to ‘Capt Rob’ for providing correction.
Dimensions from builders brochure.
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