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1974 Islander 30 MK II
Re-listing Mattie with a lower price. I pulled the listing because I discovered that her stuffing box needed re-packing , and I wanted to make certain that she was in “sail away” condition.
Mattie is an an extremely well equipped , one owner Islander 30 MK II that was bought brand new by her owner in 1974 , and has been the family yacht , racing , cruising and enjoying The San Francisco Bay Area since brand new.
Her owners health is deteriorating and his family asked me to help sell his beloved Islander.
Her owner has maintained her very well and has lavished some very nice upgrades on her throughout the years . The fresh water cooled Yanmar Diesel and the push button Lewmar 44 electric winches ($4000. EACH)! immediately jump to mind as well as a like new inflatable dinghy.
She is 100% mechanically sound and in sail away condition , but since sitting the last year , her exterior teak could use some attention. For this reason her asking price is lower than comparable Islanders on the market.
This very popular designs suits itself well to racing , daysailing or full blown cruising. Shes also a very comfortable live aboard.
Mattie is a U.S. Coast Guard Documented Vessel.
Equipment: 1974 Islander 30 MK II Hull: Fin w/ spade rudder Rig: Sloop LOA: 30 LWL: 24.5 Beam: 10 Draft: 5 Displacement: 8,600 lbs Ballast: 3,500 lbs Designer Robert Finch
Yanmar 2GM20F fresh water cooled Diesel 16 hp , low hours with brand new raw water pump Sails: Main: Fully battened main by Doyle Sails with stack pack , lazy jacks etc . Excellent condition. 80% Genoa / Jib : approximately 110 Genoa by Doyle sails on Schaefer roller furling. Excellent condition 80% All rigging and chainplates in excellent condition Bottom: painted 2 years ago , cleaned this week and looks perfect Electronics: Apelco VHF radio Garmin wind , speed and depth instruments 2 Lewmar 44 self tailing electric , push button sheet winches 2 Lewmar 30 Spinnaker winches on coaming 2 Lewmar 16 self trailers on cabin top for halyards, sheets, etc Galley: Hillerange 2 burner gimbaled Alcohol stove w/ oven , remote tank in cockpit Deep stainless steel sink w/ manual fresh water pump , ice box and tons of storage Berths: 2 quarterberths , dinette converts to double and double V-berth Wilcox Crittenden Headmate marine toilet w/ holding tank , untested Rule electric bilge pump w/ float switch , brand new Whale manual bilge pump in cockpit Silver Marine Inflatable Dinghy 3 Inflatable PDFs , , and non inflatable PDFs , Flares , Fire Extinguishers etc. Danforthanchor and sufficient rode All fenders , tons of spares
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)
Similar to the ISLANDER BAHAMA 30.
TALL RIG:
I: 40.00’/12.19m
J: 12.80’/3.90m
P: 34.00’/10.36m
E: 11.50’/3.51m
Tot. SA: 451.50 sq.ft./41.94 m2
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