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This beautiful, well cared for 1986 33’ Siltala Nauticat 33 is the perfect boat for The Bahamas and East Coast. The 90 horsepower Lehman easily pushes the boat at 6 knots with no assistance from the sails. Raise the sails as well and you’ll pick up about a knot under power. For a relaxing cruise, turn the engine off and just sail! Her 4 foot draft is perfect for The Bahamas, opening up your cruise to many beautiful areas that standard 5 foot draft boats can only dream of! No worries about pulling into crowded anchorages, just head for the beach and you’ll find room. Her forward V-berth forward easily sleeps 2 adults. It can be set up as a traditional V, or a cushion can be added to make the entire cabin a berth with closet space under the added cushion. As you move toward the aft, the head is on the port, featuring a manual bronze Groco type K head, sink, and shower. There is a large storage cabinet to starboard across from the head, which can be used as a traditional hanging cabinet and also has several shelves for better utilization of space. Continuing aft the galley is to starboard, with a propane Force 10 stove, double basin sink, and in counter refrigerator. To port is the U shaped settee and table (table mounted on an arm and swivel so it can be moved out of the way). Up the 3 stairs into the pilot house and you’re surrounded by windows. There is so much light. It’s a gorgeous space to enjoy the view of the islands. Glass windows surround the pilot house where you can stay out of the weather if desired. There is a spacious chart table and tons of storage under every settee. Instruments are on the dashboard, with hydraulic steering at the helm and a radar and chart plotter just forward of that. Continuing aft the second cabin has a full berth and a second head (composting). She has a second sink and ample storage in the aft cabin as well.
Equipment: New Standing Rigging 2021 Highfield CL 310 (Hypalon) 2021 Yamaha F15 4 stroke Yamaha 3hp 2 stroke 2021 Cruise RO 30 gallons/hr water maker 2021 Honda EU2200 generator Starlink antenna & modem New L2M32 engine mounts New engine oil cooler Victron Multiplus 3000 Inverter/Charger Victron Orion DC to DC converter New LiFePO4 house battery Atkins Holye Dinghy Davits Genoa, mainsail, mizzensail (reconditioned, Mack Sails, 2023) Raymarine Autopilot (new 2021) Raymarine Radar Garmin Chart Plotter Vesper AIS Transceiver ACR EPIRB Hydraulic steering 16k BTU Crusair heat pump 44lb Delta Anchor Fortress secondary anchor 250 feet 3B chain (new 2021) Mantus swivel and bridle (new 2021) 400 watts solar Victron charge controllers 300 watt wind generator Balmar 100A alternator Balmar charge controller Groco Type K head Airhead composting head
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)
Thee NAUTICAT 33 was the first boat produced by Siltala and one of the most successful.
In 1977 the raised aft deck was offered as an option and a number of other changes were made to this design during it’s production run.
An updated model, the NAUTICAT 331, was introduced in 1997.
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