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S/V Nauti Girl is a 1985 Gemini Catamaran 3000. Recent Refit. Well-equipped and ready to cruise! Gemini Cats with over 1000 boats built are America’s catamaran success story. These boats are reasonably fast off the wind, particularly if you hoist the spinnaker. S/V “Nauti Girl” will fly as long as she’s not overloaded (an important proviso aboard any multihull), The 30 foot Gemini will do surprisingly well in light air and can generally out sail most monohulls in her size range. She also has retractable rudders housed in fiberglass cassettes, which allows you to take full advantage of their boards-up shoal draft when venturing into thin water.
This catamaran for sale by owner has standing headroom that can honestly sleep four couples in a pinch (if they are very good friends), or three couples quite comfortably in private cabins (OK, a bit cozy), or a couple with several small children (or two older children who demand some space of their own). Throw in an Eight foot long galley, a decent sized head with a shower, a genuine nav desk, plus a cockpit large enough to hold half the marina, and voila, you have a veritable cruising palace at a bargain basement price.
Powered by a 2012 25 hp Yamaha High-thrust outboard with approximately 700 hours. She is an extremely efficient, low maintenance catamaran, ready to cruise the keys, Bahamas, ICW, and beyond. She needs nothing, turnkey & fully loaded! With an 18” draft (centerboards up), a 1 - gal per hour fuel burn at 5 knots, and her 14” beam she is among the most desirable models on the market! You won’t find a better more equipped boat at this price range.
Included are a recently installed 16,500 btu Mermaid air conditioner, touch screen Garmin GPS VHF W/ AIS, Raymarine auto pilot w/ remote, Nexus gauges, Air Head composting toilet, 5-cubic foot fridge (12 volt Grape Solar), 8-inch memory foam bed, 3 cabins, custom bimini, all new canvas, recently - inspected rigging, all sails in great condition including spare sails and asymmetrical spinnaker, new induction cooktop, two new point-of-use water heaters, all LED lighting included in sale. Recent insurance survey (2/2018) available. Just bring your clothes, mask, & snorkel and start your cruising lifestyle today! There are other Gems on the market, but none as clean, updated, affordable, or as well – equipped as the Nauti Girl!
She is currently cruising the Florida Keys. We sailed her down from the southern Chesapeake Bay this season and have decided to sell her in paradise rather than sail her back. Recent Upgrades
Specifications Builder: Performance Cruising Inc. Designer: Tony Smith Model: Gemini 3000 Flag: USA Year Built: 1985 Length Overall: 30’ 6” ( 9.3 m) LWL: 27’ 6” (8.4 m) Beam: 14’ 0” ( 4.27 m) Draft: Max Draft: 4’ 5” ( 1.35 m) / Min Draft: 1’ 6” ( .46 m) Displacement: 7000 lbs Mast height: 45’ 0” ( 13.7 m) Sails: Fully Battened mainsail Furling genoa Genoa Spinnaker Spare sail Stack Pack Engine: 2012 Yamaha 25hp (High Thrust) Engine Hours: 800 Cruising Speed: 6.5 Knts Max Speed: 7.5 Knts
Head room: 6 ft 1 in Cabins: 3 Heads: 1 Fresh Water 16 Gallons ( 60 l) Fuel Tankage 22 Gallons ( 83 l)
Boat Inventory
Accommodations:
Galley:
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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)
The GEMINI 31 was the first of Gemini series of cruising catamarans that became the best selling boat of its type being built in the United States. Loosely Based on the earlier ARISTOCAT 30, designed by Musters and Shaw, the 31 was superseded by the very similar Gemini 3000, which remained in production until 1990, when it was in its turn replaced by the slightly longer Gemini 3200.
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