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1971 Columbia 34 MKII

Long Beach, California, United States
$11,000 $10,000 USD

Located in Long Beach, California, this 34-foot used Columbia 34 MKII is a cruising sloop sailboat for sale. The Columbia is a sophisticated, highly engineered light displacement carbon fiber racing yacht designed for a wide variety of uses.

Head out confidently onto the water with a 9.9hp Mercury Pro Kicker engine onboard. The 34 MKII has lots of space and has the amenities necessary for cruising by a crew or small family.

With ample room to sleep 7 comfortably, spend the night aboard your Columbia sailboat at your favorite waterfront spot in Catalina. It would even make a nice live-aboard! This sailboat boasts a great BBQ if you catch some fish while out on the water.

The sellers have been to Catalina Island about a dozen times with the boat. They said it takes them about 6 hours to get there from their dock. Don’t miss out on your opportunity to own this Columbia cruiser sailboat!.

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

View on PopYachts.com

Specs

Designer
Wirth Munroe
Builder
Columbia Yachts
Associations
?
# Built
?
Hull
Monohull
Keel
Stub + Centerboard
Rudder
Spade
Construction
FG

Dimensions

Length Overall
33 11 / 10.4 m
Waterline Length
23 7 / 7.2 m
Beam
9 10 / 3 m
Draft
3 6 / 1.1 m 8 0 / 2.4 m
Displacement
10,500 lb / 4,763 kg
Ballast
4,200 lb / 1,905 kg

Rig and Sails

Type
Sloop
Reported Sail Area
466′² / 43.3 m²
Total Sail Area
466′² / 43.3 m²
Mainsail
Sail Area
240′² / 22.3 m²
P
31 11 / 9.8 m
E
14 11 / 4.6 m
Air Draft
?
Foresail
Sail Area
226′² / 21 m²
I
36 9 / 11.2 m
J
12 3 / 3.8 m
Forestay Length
38 9 / 11.8 m

Auxilary Power

Make
Universal
Model
Atomic 4
HP
?
Fuel Type
Gas
Fuel Capacity
?
Engine Hours
?

Accomodations

Water Capacity
?
Holding Tank Capacity
?
Headroom
?
Cabins
?

Calculations

Hull Speed
6.5 kn
Classic: 6.51 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

6.45 knots
Classic formula: 6.51 knots
Sail Area/Displacement
15.6
<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.
15.55
<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

40.0
<40: less stiff, less powerful
>40: stiffer, more powerful
Displacement/Length
357.1
>350: ultraheavy

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
357.13
<100: ultralight
100-200: light
200-300: moderate
300-400: heavy
>400: very heavy
Comfort Ratio
28.4
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
28.44
<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
1.8
<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
1.81
<2: better suited for ocean passages
>2: better suited for coastal cruising

Notes

The COLUMBIA 34 seems to be a slightly later variant of the COLUMBIA 33 (CARIBBEAN). Some were sold as kits.


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