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1973 Columbia 36 Mk II

Listed
Sold
$14,750 USD

Seller's Description

The Columbia 36 Mk II is known for its excellent sailing manners and is an excellent bluewater boat with several having completed circumnavigation. This particular boat is further enhanced by the seller having replaced the engine with an Electric Yacht 5kW electric motor powered by two banks of 6V batteries.

It is fully equipped for living aboard and coastal sailing. Making it a passage maker would only involve some further electrification with additional batteries and a solar/wind charging system. Solar panels can easily be added to the outer frame of the bimini.

The seller keeps this boat in top condition, thoroughly cleaning it weekly to keep mold and mildew at bay.

Within the last two years, the seller has upgraded and/or replaced the following. - Stainless anchor roller. - 2 hand held icom radios, 2 extra talk radios. - New Jabsco toilet with macerator, new lavatory sink and faucet. - 4 marine house batteries, 16 T105 6-volt marine batteries. - New power switch and wiring. - 2 extra timing belts, new air conditioning water pump, new domestic water pump. - New bilge pump. - New inflatable dingy with two motors, one gas one electric. - Life preservers, gps, hawkeye depth sounder, fish and depth sounder, stadium chairs, extra blocks, shackels, large cooler - New 1” propeller shaft, new brass propeller, new shaft coupling. - New dometic 12 volt fridge.

The vessel comes with a selection of specialty tools crimpers small and large, and more.

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Specs

Designer
William Tripp Sr.
Builder
Columbia Yachts
Associations
?
# Built
?
Hull
Monohull
Keel
Stub + Centerboard
Rudder
Spade
Construction
FG

Dimensions

Length Overall
33′ 7″ / 10.2 m
Waterline Length
27′ 11″ / 8.5 m
Beam
10′ 0″ / 3.1 m
Draft
3′ 8″ / 1.1 m — 7′ 10″ / 2.4 m
Displacement
13,000 lb / 5,897 kg
Ballast
5,700 lb / 2,585 kg (Lead)

Rig and Sails

Type
Sloop
Reported Sail Area
526′² / 48.9 m²
Total Sail Area
526′² / 48.8 m²
Mainsail
Sail Area
236′² / 21.9 m²
P
36′ 3″ / 11.1 m
E
12′ 11″ / 4 m
Air Draft
47′ 11″ / 14.6 m
Foresail
Sail Area
290′² / 26.9 m²
I
41′ 11″ / 12.8 m
J
13′ 9″ / 4.2 m
Forestay Length
44′ 2″ / 13.5 m

Auxilary Power

Make
Universal
Model
Atomic 4
HP
?
Fuel Type
Gas
Fuel Capacity
30 gal / 114 l
Engine Hours
?

Accomodations

Water Capacity
40 gal / 151 l
Holding Tank Capacity
?
Headroom
?
Cabins
?

Calculations

Hull Speed
7.7 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

7.71 knots
Classic formula: 7.09 knots
Sail Area/Displacement
15.2
<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.
15.22
<16: under powered
16-20: good performance
>20: high performance
Ballast/Displacement
43.8
>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

43.84
<40: less stiff, less powerful
>40: stiffer, more powerful
Displacement/Length
264.8
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
264.8
<100: ultralight
100-200: light
200-300: moderate
300-400: heavy
>400: very heavy
Comfort Ratio
31.3
30-40: moderate bluewater cruising boat

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
31.29
<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
1.7
<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
1.7
<2: better suited for ocean passages
>2: better suited for coastal cruising

Notes

See COLUMBIA 34 MK II for more information.

This listing is presented by PopYachts.com. Visit their website for more information or to contact the seller.

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