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Seller's Description

S/V Brizo is a 2000 owners version Catana Ocean Class 431 catamaran with a tall rig, for sale by owner. She is well built for speed, comfort, and safety. Easily handled by 2 people, or one experienced sailor. Nearly everything aboard is new and best available option within the last few years. Brizo has been well maintained and cared for over the last 4 years while cruising the Sea of Cortez. Prior to that, she received a thorough update including new engines, electronics and rigging. Truly turnkey and capable of easily staying off grid for as long as you can feed yourself without the need to run engines or worry about water or power.

Equipment: Sails & Rigging North Sails radial cut jib 2019 Zoom sails radial cut main -Hydranet dyneema blend- 2021- incredible sail North sails Tradewinds Sail 2020. Easy rollup on screecher halyard. North symmetrical spin w sock- very good Patterson asymmetric spin w sock- good Standing rigging replaced 2019. Forestay is wire, shrouds are Colligo Dux. All running rigging is less than 4 years old and is specced at the best possible for application. V-100 vectran main halyard Only polyester lines are where some stretch is welcome.Electrical 2021-2022 4x 200Ah Victron Lithium batteries Victron Lynx BMS Victron Lynx power in Bus Victron Lynx distributor 2x Victron 30amp DC-DC chargers. Safe and easy charging from alternators Victron Quattro 3000W inverter charger Victron Color Control GX Victron 712 smart battery monitor New A/C panel- 115v 50 amp SmartPlug shore power inlet and 50ft cord All new 115v GFCI outlets Warm LED fixtures in all ceiling locations 4/0 marine cable run from engine rooms to battery box in salon 2020. Can easily handle 4-500 amps 2x 350 watt monocrystalline solar panels on custom stainless bimini mounts 2020 4x 125 watt monocrystalline solar panels on davits 2022 Each solar array has a VictronVE-can MPPT controller. Wired connection to Victron system. Air conditioners installed in 2020. Dometic 16k in salon and 10k in stateroom (can run on lithium bank) Mast pulled and rewired with new LED fixtures 2019Engines & Mechanical 2x Volvo D2-40F engines 2019 750 and 570 hours 2x Volvo 130S saildrives 2019 Saildrive seals replaced at haulout 2023 Rod steering so you can feel what’s going on and don’t worry about leaks Optima start battery at each engine 2022

Watermaker Spectra 380C 15GPH DC watermaker Can be run with one or two feed pumps depending on need. Clark pump rebuilt by Spectra in 2019 Two feed pumps both replaced in 2022 Two new feed pumps as spares New 40in membrane in 2020 New 40in membrane as spare Most hoses and connections have been replaced relatively recently. Uses about 20 amps Quiet enough that we ran it often overnight and wake up to a full tank. Electronics All electronics replaced 2019 B&G unless otherwise specified 12 Zeus chart plotter at nav station 7 Vulcan at each helm H5000 hydra CPU H5000 wind instrument H5000 Boat speed GPS 9 axis solid state compass AIS transponder Autopilot- SImrad NAC-3 Autopilot drive- Raymarine linear. Spare drive unit included 4G Radar Autopilot keypad at Stb helm H5000 display in cockpit 2x Triton displays in cockpit Forward scan sonar Pepwave router w 2 sim slots 2x Network switches Fusion stereo, NMEA2k, two fusion amps. IridiumGo hardwired w external antennae Standard Horizon NMEA 2000 VHF at nav w/mic at helm LMR-400 VHF cable up mast w new antenna 2019 ICOM 710 SSB Anchor & Docking Lewmar V3 windlass 2019 Lewmar wireless windlass remote Lewmar wired remote with chain counter Rocna 40kg anchor 2019 300ft 5/16 G4 chain spliced to 200ft of 8 plait rode 2019 Two backup FX anchors with appropriate chain and rode

Miscellaneous Trampoline replaced w Sunrise tramp in 2019. Laced with dyneema for no squeak. Bottom painted w two coats 2023 All fans replaced with Caframo Sirroco II units 2022. They’re the best. Boat is ready to go cruising immediately.

Specs

Designers
?
Builders
?
Associations
?
# Built
?
Hull
Catamaran
Keel
?
Rudder
?
Construction
?

Dimensions

Length Overall
43 0 / 13.1 m
Waterline Length
?
Beam
24 0 / 7.3 m
Draft
2 7 / 0.8 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
?
Model
?
HP
?
Fuel Type
?
Fuel Capacity
?
Engine Hours
?

Accomodations

Water Capacity
?
Holding Tank Capacity
?
Headroom
?
Cabins
2

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

?
Classic formula: ?
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.
?
<16: under powered
16-20: good performance
>20: high performance
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

?
<40: less stiff, less powerful
>40: stiffer, more powerful
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
?
<100: ultralight
100-200: light
200-300: moderate
300-400: heavy
>400: very heavy
Comfort Ratio
?

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
?
<20: lightweight racing boat
20-30: coastal cruiser
30-40: moderate bluewater cruising boat
40-50: heavy bluewater boat
>50: extremely heavy bluewater boat
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
?
<2: better suited for ocean passages
>2: better suited for coastal cruising

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