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Seller's Description

1987 Tall Rig Catalina sailboat. Game table, vberth, setee/dinette, quarter berth and side setee

Equipment: almost completely upgraded late 2019 through Spring 2022, lightly used since, good live aboard, excellent fast cruising boat Boat in water off Magothy River 510 draft Dutchman on main sale September 2024 Items replaced: North Sail Roller Furling Genoa, NPC Cross-Cut ND68LA with tail tales, Harken 5 sheeves and sun cover North Sail Full batten Main with 3 reefing points and (NPC Cross cut ND72MA w/tail tales and draft Sails stripe) sapphire blue sunbrella canvas (dodger, bimini, wheel cover, dodger glass cover) life lines running rigging (staysail, genoa and main) head hoses Engine Serviced and engine hoses installed Edson outboard motor mount and Garhauer motor lift glass in main cabin hatch 33lb north start steel anchor Items added to boat from late 1999 to Spring 2022: Marinco Solar day/night deck vent with light CPT Auto Pilot AIS VHF Standard Horizon Matrix Marine radio RAYMARINE ST-70 Multi-function instrument Staysail with Inner Forestay reinforced with inch aeronautical aluminum Wash down on deck Remote controlled Maxwell windless, installed in anchor locker with aeronautical inch aluminum backing plates ($12,000 installation). No tripping hazard on deck! LED interior lights 2 new GFCI adaptors Xantrex Inverter/Charger, charger does not work but a separate battery charger installed by marina, brand Pro Mariner, model Pro Sport 20. Dual Bank charger. 6 MARINE batteries, The Best 27 MAGM High Performance, 3 banks Recent Rigging tuned Other Details: Multicolor spinnaker Electric head Cockpit cushions Nav station with chart table and seat Separate quarter berth area with accordion style door enclosure CNG 2 burner stove with oven (oven never used) with cutting board on top of stove burners Blue velour interior cushions Port side dining table area makes into double berth Starboard game table area with storage and cushions for single berth 2 Fenders AC outlets and shore power 30 gallon holding tank 35-gallon fuel tank Factory Barrier bottom Edison Compass Automatic bilge pump 3 Flag halyards 25 feet of chain and 150 feet of line on anchor Head with shower seat Lifejackets, flares and horn Manuals, Receipts for labor and material Propulsion: Westerbeke 25M diesel engine, approximately 1300 hours. Approximately 116 hours on engine since items replaced or added. Approximately 150 hours on sails. 2023 Complete new air cleaner housing and filter

Specs

Designer
Frank V. Butler
Builder
Catalina Yachts
Association
Catalina 36 International Association
# Built
1766
Hull
Monohull
Keel
Fin
Rudder
Spade
Construction
FG

Dimensions

Length Overall
35 11 / 11 m
Waterline Length
30 2 / 9.2 m
Beam
10 11 / 3.4 m
Draft
4 0 / 1.2 m
Displacement
15,000 lb / 6,804 kg
Ballast
6,000 lb / 2,722 kg (Lead)

Rig and Sails

Type
Sloop
Reported Sail Area
554′² / 51.5 m²
Total Sail Area
555′² / 51.5 m²
Mainsail
Sail Area
234′² / 21.7 m²
P
39 0 / 11.9 m
E
12 0 / 3.7 m
Air Draft
50 1 / 15.3 m
Foresail
Sail Area
321′² / 29.8 m²
I
44 9 / 13.6 m
J
14 4 / 4.4 m
Forestay Length
46 11 / 14.3 m

Auxilary Power

Make
?
Model
?
HP
?
Fuel Type
?
Fuel Capacity
25 gal / 95 l
Engine Hours
?

Accomodations

Water Capacity
72 gal / 273 l
Holding Tank Capacity
?
Headroom
?
Cabins
2

Calculations

Hull Speed
8.2 kn
Classic: 7.37 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

8.24 knots
Classic formula: 7.37 knots
Sail Area/Displacement
14.6
<16: under powered

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.
14.57
<16: under powered
16-20: good performance
>20: high performance
Ballast/Displacement
40.0
>40: stiffer, more 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

40.01
<40: less stiff, less powerful
>40: stiffer, more powerful
Displacement/Length
241.9
200-300: 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
241.94
<100: ultralight
100-200: light
200-300: moderate
300-400: heavy
>400: very heavy
Comfort Ratio
26.7
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
26.67
<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
1.9
<2.0: better suited for ocean passages

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
1.93
<2: better suited for ocean passages
>2: better suited for coastal cruising

Notes

Also available with a shallower draft wing keel and tall rig.
Wing Keel
draft: 4.17’/1.27m
Disp.:14100 lbs./6396 kgs

TALL RIG:
I: 46.75’/14.25m
J: 14.33’/4.37m
P: 41.00’/12.50m
E: 13.00’/3.96m
Sail Area (100%): 601.46 ft2/55.88 m2
A MkII version was introduced in 1994 that features a larger cockpit, with modified deck and interior.

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