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1971 Columbia 34 Mark II

$13,999 USD

Seller's Description

1971 Columbia 34 Mark II Sloop For Sale!!!

Awesome boat that only needs the top decking finished but is still sailable in current conditions.

  • All fresh water boat
  • Boat and trailer stored for last 20 years in climate-controlled warehouse
  • Coast Guard documented
  • Highly customized for live aboard cruising by second (current) owner
  • 7 sails included storm jib and 2 spinnakers
  • Spinnakers, spinnaker pole, whisker pole

Upgrades include:

  • Wheel steering with auto-pilot
  • Teak helmsman’s seat
  • ball bearing traveller
  • 6 screened port lights
  • Holding plate refrigeration
  • Holding plate freezer
  • Force 10 stove burners
  • Force 10 cabin heater
  • Extra 80 gallon water tank
  • Tri-color mast head light w strobe
  • Cockpit tray and table
  • Handmade polished SS fore deck hatch w solar vent
  • Solar vent in head
  • Smoked Lexan drop boards
  • Handmade polished SS main hatch framework
  • Sea-Teak Lazarette covers
  • Bimini top
  • Engine room blower
  • Fore and aft anchors
  • Spreader lights
  • Engine room automatic halon system
  • Custom maple overhead v-berth cabinets
  • Custom v-berth
  • Oak drawer sets
  • Custom tool storage compartments
  • Cabin fan
  • Lights in all lockers
  • Carpet and upholstery looks new
  • Solid glass hull has fresh epoxy bottom
  • Bilge always stays dry

https://sailboatdata.com/sailboat/columbia-34-mk-ii/?units=imperial

Specs

Designer
William H. Tripp Jr.
Builder
Columbia Yachts
Associations
?
# Built
352
Hull
Monohull
Keel
Fin
Rudder
Spade
Construction
FG

Dimensions

Length Overall
33′ 7″ / 10.2 m
Waterline Length
27′ 3″ / 8.3 m
Beam
10′ 0″ / 3.1 m
Draft
5′ 6″ / 1.7 m
Displacement
12,000 lb / 5,443 kg
Ballast
4,700 lb / 2,132 kg (Iron)

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
Palmer
Model
P-60
HP
27
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
7.6 kn
Classic: 7.01 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

7.64 knots
Classic formula: 7.01 knots
Sail Area/Displacement
16.1
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.
16.06
<16: under powered
16-20: good performance
>20: high performance
Ballast/Displacement
39.2
<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

39.17
<40: less stiff, less powerful
>40: stiffer, more powerful
Displacement/Length
262.4
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
262.44
<100: ultralight
100-200: light
200-300: moderate
300-400: heavy
>400: very heavy
Comfort Ratio
29.3
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
29.33
<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
1.75
<2: better suited for ocean passages
>2: better suited for coastal cruising

Notes

Keel/CB and shoal draft versions were also available.

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