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Beautiful Islander 36 one of the SF Bays best sailing boats. Islanders love the high wind and its classic design is perfect for coastal and bay sailing. Alan Gurneys most successful design is still as beautiful today as it was thirty years ago. This boat has a cruiserracer design offering a great combination for both comfort and performance. As a cruiser, this boat has an open galley, a dining table to seat 6 or fold away, allowing for an open entertainment area. This boat, Tenacious, can sleep up to 6, has 1 head with a sink and plenty of room for storage. Known for its well-balanced sail plan, the combination of bulb keel and skeg hung rudder makes for a good turn of speed. Many Islanders have circumnavigated and their solid construction has proven to provide this beauty with an excellent cruising platform. Tenacious has been maintained to a high level and includes many upgrades - Rod Rigging - Hydraulic Vang - New NorthSail Full Batten Main - New Hood Furling Reefing Jib - 2 Spinnakers - Oversized Winches - Professionally rewired, LED lighting - New Battery ChargerInverter - GPS speedbaring instruments - Teak sole.
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)
With nearly 800 boats built this was one of the most successful models from Islander Yachts.
During it’’s production history the ISLANDER 36 was delivered with the following engines (in a an approximate cronological order):
Universal Atomic 4 -Gas
Palmer P-60 - Gas
Perkins 4-108 - Diesel
Westerbeke L-25 - Diesel
Pathfinder - Diesel
Yanmar - Diesel
It is said that the molds for the ISLANDER 36 were purchased by Newport Offshore Yachts of CA, USA in 1986. But it is not known if any other boats were built after this date.
SHOAL DRAFT: 4.8’/1.46m
TALL RIG:
I(IG):47.00’ / 14.33m
J: 14.48’ / 4.41m
P: 41.30’ / 12.59m
E: 12.80’ / 3.90m
This listing is presented by SailboatListings.com. Visit their website for more information or to contact the seller.
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