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Seller's Description

Wheel Steering, Fin keel, Air-Conditioning / Heater, many NEW items in 2018!

The Catalina 310 has a great layout below offering two double berths (not including the main cabin settee), a large head with shower and great access to the inboard diesel by hinging the companionway steps forward. Her salon is large and bright with a table for dinning and a separate cocktail table. The accommodations are cooled (and heated) by (2) 16,000 BTU air conditioners!

Extras (2018): New Raymarine Chart Plotter w/Fishfinder 12V Adapter on pedestal New mainsail sunbrella canvas. New LED TV Bottom Job LED lights in cockpit LED (RGB) Lights in master berth New coated life lines New 6V AGM Batteries 2 Stainless steal fishing pole holders Synthetic Teak ant-slip on companion way steps Helm Wheel Leather Cover

Equipment: Rigging and Sails: All lines led aft to rope clutches on either side of companionway Roller furling for headsail Mainsail Genoa Asymetrical Spinnaker w/sock Double spreader mast, anodized Internal halyards, low stretch Traveler control, with adjuster system (4) Lewmar winches Low lead genoa blocks Boom Vang, rigid adjustable type (2) Jib halyards led aft, with sheet stoppers Main halyard led aft with sheet Stopper Inboard genoa tracks Single line mainsail reefing system

2002 Universal Inboard model# M-25XPB, diesel, direct drive, 26HP

55 Gallon Fresh water tank 27 Gallon Fuel tank 17 Gallon Holding tank

Cockpit, Deck and Hull: Large cockpit with walkthrough transom for easy boarding or water access. Features and equipment include: Bimini and Windshield Dodger Magma Grill Full upgraded Sunbrella canvas, windshield and insulated companionway covers Pedestal and hatch covers Bug screens for ports & hatches Complete set of waterproof cockpit cushions (2) Aft cockpit speakers under the seats Walk-through transom with removable helm seat Stern boarding ladder with contour treads Cockpit hot and cold shower Folding cockpit table One piece fiberglass hull One piece fiberglass deck Molded-in non-skid texture surface Fiberglass hull and deck liners Double rail bow and stern pulpits Double lifelines (new 2018) Stern rail with observation seats, port and starboard Anchor locker on foredeck Handrails on cabin top, Stainless Steel

Mechanical and Electrical: 2 Cruisair 16K BTU SMX air conditioning/heating/de-humidifying system Electric anchor windlass D.C. electrical system with 4 batteries, battery monitor,selector, switch and panel with breakers A.C. Dockside Power with 6 Outlets and Polarity Indicator, with Circuit Breakers Charles 5000 Series Marine electronic battery charger Anchor light on masthead Deck light and steaming light on mast Cabin and navigation lights

Electronics: TV set Log-speedometer Plotter Wind speed and direction CD player Depthsounder Radar Autopilot VHF Radio GPS Navigation center Compass Battery Monitor

Galley: SS Deep sink Microwave Adler Barbour top and front opening refrigerator with freezer section (12V) Propane stove w/oven Pressure hot/cold water Solid surface countertop Lockers and large storage shelf

Salon: L-shaped settee to port Two seat settee to starboard Large portlights Two Bose speakers Storage lockers and shelves Chart table Large Swing-a-way LED TV Teak veneer bulkheads & teak trim interior Teak holly textured high pressure laminate sole Removable dining table Cocktail table with cupholders Forward Stateroom Centerline double berth Privacy door Four large drawers Two opening ports Opening hatch Two corner lockers Two storage shelves Aft Berth Very large athwartships berth Storage lockers and shelf Head Jabsco Marine toilet fresh water used for flushing only Large portlight with opening port Separate shower area with shower tray and sump pump All easy-clean surfaces in head compartment Hot / cold pressure water system Holding tank and deck outlet Jabsco self-priming macerator pump for overboard discharge of holding tank

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Specs

Designer
Gerry Douglas
Builder
Catalina Yachts
Association
Catalina 310 Owners Association
# Built
?
Hull
Monohull
Keel
Fin + Bulb
Rudder
Spade
Construction
FG

Dimensions

Length Overall
31 0 / 9.5 m
Waterline Length
101 8 / 31 m
Beam
37 8 / 11.5 m
Draft
18 10 / 5.8 m
Displacement
10,300 lb / 4,672 kg
Ballast
4,000 lb / 1,814 kg (Lead)

Rig and Sails

Type
Sloop
Reported Sail Area
493′² / 45.8 m²
Total Sail Area
493′² / 45.8 m²
Mainsail
Sail Area
242′² / 22.5 m²
P
37 2 / 11.4 m
E
12 11 / 4 m
Air Draft
46 9 / 14.3 m
Foresail
Sail Area
251′² / 23.3 m²
I
42 8 / 13 m
J
11 8 / 3.6 m
Forestay Length
44 3 / 13.5 m

Auxilary Power

Make
Yanmar
Model
3GM30F
HP
27
Fuel Type
Diesel
Fuel Capacity
27 gal / 102 l
Engine Hours
?

Accomodations

Water Capacity
35 gal / 132 l
Holding Tank Capacity
?
Headroom
?
Cabins
2

Calculations

Hull Speed
7.7 kn
Classic: 6.9 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

7.67 knots
Classic formula: 6.9 knots
Sail Area/Displacement
16.7
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.
16.66
<16: under powered
16-20: good performance
>20: high performance
Ballast/Displacement
38.8
<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

38.83
<40: less stiff, less powerful
>40: stiffer, more powerful
Displacement/Length
246.8
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
246.83
<100: ultralight
100-200: light
200-300: moderate
300-400: heavy
>400: very heavy
Comfort Ratio
21.9
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
21.89
<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
2.12
<2: better suited for ocean passages
>2: better suited for coastal cruising

Notes

Wing Keel draft: 4.83’/1.47m

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