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Seller's Description

What an amazing example of the Catalina 320.Current owners have taken it to the next level- with top of the line upgrades. Must see to believe.

Interior V-berth sleeping with hanging lockers. Private quarter berth sleeping with mattress topper. Galley with propane stove/oven Refrigertor/freezer Sink with hot/cold pressure water 6 gal hot water heater Sette dining space, with drop down adjustable table for additional sleeping space. Head with 2021 composting toilet- Airhead brand. Seller kept original toilet, should new owner want to hook up original head and holding tank. Electronics 2- 4D marine batteries Victron smart battery monitor and controller with 150 watt solar panels- 2018 AC invertor- 2020

CompassDepth finderRaymarine autopilot- 2017B & G Chartplotter/GPS- 2017Raymarine- knot meter- 2017ICOM- VHF- 2001Alpine stereo- 2001 Seatalk NG backbone, Raymarine HE5, windspeed indicator- 2017 Sails, canvas, etc Roller furling Dodger Bimini Helm cover Precision Tri mainsail- 2021 Precision Tri 130 genoa- 2021

Equipment: Recent major maintenance Roughly $20K in Recent Major Maintenance

  • 2017 New lifelines extra custom gate ($1000)

  • 2017 New anemometer and speed transducer (1000)

  • 2017 New tachometer and oil sensor (150)

  • 2018 New water heater installed bypass valves (400)

  • 2018 New cutlass bearing, stuffing box. (550)

  • 2018 New Exhaust Elbow (850)

  • 2019 Recalked and inspected chainplates

  • 2019 New lifeline repair on Portside due to accident

  • 2019 Sanded bottom to bare fiberglass then 4 coats of interprotect and 2 top coats micron CSC (more than $1K in paint several weeks of labor. Yard estimate = $5920)

  • 2020 All New standing rigging LED anchor lite. (4800)

  • 2020 All New running rigging (900)

  • 2021 New Precision Sails (3800)

  • 2021 New ignition switch (50)

  • 2021 Bottom paint (200) Owner upgrades More than $13K in Upgrades since 2017:

  • 2017 New Rocna achor chain rode docklines. ($650)

  • 2017 New Midship Cleats ($200)

  • 2017 New Seatalk NG network/NMEA2000 backbone, Raymarine itc5, i70?s,evo 1000 Autopilot p70 controller, B&G Vulcan 7fs chartplotter, and new NavPOD (3300)

  • 2017 New Caframo fans (four each) (200)

  • 2018 New Victron smart battery monitor (200)

  • 2018 New Victron Solar MPPT controller, solar panel install (300) canvas work (250)

  • 2018 New Winter Cover (3200)

  • 2019 New folding Lewmar wheel (950) wheelstick ($130)

  • 2020 New AC inverter (400)

  • 2021 New raspberry pi Chart plotter Monitor USB usb hub cellular modem antenna seatalk converter (600) ? can remove if not wanted.

  • 2021 New AirHead Composting Toilet (1000) ? can restore old head if preferred

  • 2021 New Martek Davits (2000)
  • 2017 Takacat dinghy, inflatable- slow leak in 1 pontoon.
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Specs

Designer
Gerry Douglas
Builder
Catalina Yachts
Association
Catalina 320 International Association
# Built
?
Hull
Monohull
Keel
Fin + Bulb
Rudder
Spade
Construction
FG

Dimensions

Length Overall
31 11 / 9.8 m
Waterline Length
27 11 / 8.5 m
Beam
?
Draft
4 5 / 1.4 m
Displacement
11,300 lb / 5,126 kg
Ballast
4,000 lb / 1,814 kg

Rig and Sails

Type
Sloop
Reported Sail Area
520′² / 48.3 m²
Total Sail Area
520′² / 48.4 m²
Mainsail
Sail Area
252′² / 23.4 m²
P
37 11 / 11.6 m
E
13 3 / 4 m
Air Draft
?
Foresail
Sail Area
269′² / 25 m²
I
43 6 / 13.3 m
J
12 4 / 3.8 m
Forestay Length
45 3 / 13.8 m

Auxilary Power

Make
Yanmar
Model
3GM30F
HP
27
Fuel Type
Diesel
Fuel Capacity
?
Engine Hours
?

Accomodations

Water Capacity
?
Holding Tank Capacity
?
Headroom
?
Cabins
?

Calculations

Hull Speed
8.1 kn
Classic: 7.09 kn

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

8.05 knots
Classic formula: 7.09 knots
Sail Area/Displacement
16.5
16-20: good performance

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.
16.52
<16: under powered
16-20: good performance
>20: high performance
Ballast/Displacement
35.4
<40: less stiff, less powerful

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

35.39
<40: less stiff, less powerful
>40: stiffer, more powerful
Displacement/Length
230.2
200-275: moderate

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
230.18
<100: ultralight
100-200: light
200-300: moderate
300-400: heavy
>400: very heavy
Comfort Ratio
22.2
20-30: coastal cruiser

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
22.21
<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
2.1
>2.0: better suited for coastal cruising

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
2.09
<2: better suited for ocean passages
>2: better suited for coastal cruising

Notes

Draft for winged keel vers: 1.3m/4.25’
Updated MARK II version introduced in 1999.

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