Seller's Description
Gemini 3400 catamaran cruise ready. This is a wonderful cruising boat fitted with new sails in 2019. We have cruised this boat from Long Island New York to Antigua and she is currently berthed in a marina in Fajardo Puerto Rico ready to take you on adventures around the Caribbean and further afield. Large queen size forward cabin with excellent views over the fore deck, when at anchor wake up to stunning views. Two aft double cabins one currently used as cruising storage the mattress is onboard so this can be converted back to a double berth. Large U shaped seating in the main cabin seats 6 comfortably. Galley mid ships in starboard hull, working surface midships in port hull. Comfortable composting head with shower, thru hulls in place for conversion to wet head if desired. In our 6 years cruising the composting head has been a wonderful asset, no smells no maintenance. Large cockpit with bimini we have had parties with 12 people on board. Large open hard fore deck for sunbathing or just watching the wold go by. 35lb Bruce anchor with 100ft 5/16 chain and 100ft inch rode. Additional main Fortress anchor and multiple smaller kedge anchors. Tools and spares everything you need for self contained long term cruising. New sails 2019 with zipped main cover, bottom paint 2019. 200W solar panels. USA documented.
Equipment: 27HP Westerbeke diesel Lifting propeller stern drive Main sale with zip pack Furling 120% headsail Small heavy weather head sail Hard cathedral hull stable dinghy on davits 2.3 HP Honda outboard Honda 2000 inverter generator Dometic 120V / Propane fridge Propane oven and 2 burners Auto pilot Depth gauge Water speed GPS chart plotter / fish finder Wind instruments VHF radio with AIS receiver Entertainment radio with blue tooth Battery charger MPP solar charger 200W solar panels Starter and house batteries Auto charge relay 2000W pure sine wave inverter Composting Head 2X20 gallon fresh water tanks pressure water pump Electric and engine hot water heater 35lb Bruce anchor, 100ft 5/16 chain, 100ft inch rode Fortress anchor 10ft inch chain 100ft rode 2 kedge anchors tools, spares and oil exchange pump 2 bilge pumps emergency / convenient mobile bilge pump
Specs
- Designers
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- Builders
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- Associations
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- # Built
- ?
- Hull
- Monohull
- Keel
- ?
- Rudder
- ?
- Construction
- ?
Dimensions
- Length Overall
- ?
- Waterline Length
- 111′ 6″ / 34 m
- Beam
- 45′ 11″ / 14 m
- Draft
- 6′ 6″ / 2 m
- Displacement
- ?
- Ballast
- ?
Rig and Sails
- Type
- ?
- Reported Sail Area
- ?
- Total Sail Area
- ?
Mainsail
- Sail Area
- ?
- P
- ?
- E
- ?
- Air Draft
- ?
Foresail
- Sail Area
- ?
- I
- ?
- J
- ?
- Forestay Length
- ?
Auxilary Power
- Make
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- Model
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- HP
- ?
- Fuel Type
- ?
- Fuel Capacity
- ?
- Engine Hours
- ?
Accomodations
- Water Capacity
- ?
- Holding Tank Capacity
- ?
- Headroom
- ?
- Cabins
- 4
Calculations
- Hull Speed
- ?
Hull Speed
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.
Formula
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
- Sail Area/Displacement
- ?
Sail Area / Displacement Ratio
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.
Formula
SA/D = SA ÷ (D ÷ 64)2/3
- SA: Sail area in square feet, derived by adding the mainsail area to 100% of the foretriangle area (the lateral area above the deck between the mast and the forestay).
- D: Displacement in pounds.
- Ballast/Displacement
- ?
Ballast / Displacement Ratio
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.
Formula
Ballast / Displacement * 100
- Displacement/Length
- ?
Displacement / Length Ratio
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.
Formula
D/L = (D ÷ 2240) ÷ (0.01 x LWL)³
- D: Displacement of the boat in pounds.
- LWL: Waterline length in feet
- Comfort Ratio
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Comfort Ratio
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.
Formula
Comfort ratio = D ÷ (.65 x (.7 LWL + .3 LOA) x Beam1.33)
- D: Displacement of the boat in pounds
- LWL: Waterline length in feet
- LOA: Length overall in feet
- Beam: Width of boat at the widest point in feet
- Capsize Screening
- ?
Capsize Screening Formula
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.
Formula
CSV = Beam ÷ ³√(D / 64)
- Beam: Width of boat at the widest point in feet
- D: Displacement of the boat in pounds
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