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You can afford this ultimate Bahamas cruiser. From its 18” draft (rudders and swing keels up) to the steps in the sterns for easy boarding from the 10’6” ridged bottom inflatable or returning from a swim, this catamaran is designed from the hulls up for comfortable island living. So easy to handle either under power or sail, with a good turn of speed.
The livable layout has 3 private staterooms. The owners stateroom has a full Queen size with lots of storage and mirrored counter. The 2 aft staterooms are considered doubles with closets and drawers and closing doors for privacy. The 8’ galley has room to cook for a group. with sink, stove/oven and refrigerator situated for easy access. A new, nearly maintenance free LaVac head and a power shower sump. If you have never had a LaVac you will love this feature, no odor and no nasty rebuild kits, Ever!! The huge “U” shaped dinette can seat 6 large adults but fits two lounging adults in real comfort. A full-size chart table and work bench with massive tool storage complete this very well thought out interior. The fore deck will tan 5 and the cockpit will dance 4 with an easy to move around topside layout. Boat is in above average condition and ready to go. Motivated Seller due to life plan change.
Equipment: Full batten main, 150 roller furling jib, 2 guardian anchors, with chain and 150’ rode, spare 30 lb. Danforth type with chain and rode. 2018 10’6” rigid bottom inflatable, 3hp Yamaha two stroke, 2 autohelm 4000 autopilots, Raytheon RC 630 10” screen chart plotter(with 2016 Bahamas C Map chip) Tri data wind, boat speed and depth, Horizon VHF, Nearly new LaVac head. Fuel 40 gal. Water 60 gal. holding 25 gal., 100 watt solar panel on dingy davits.
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 3400 was the predecessor to the GEMINI 105 and the first in the series to have molded transom steps. A new kick-up rudder system was developed for the new transom design. Like all Gemini models the 3400 has kick-up centerboards which are housed in low aspect ratio fixed keels which serve as protection for the under-slung rudders from damage when grounding.
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