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1976 Clark Boat Company San Juan 24

Listed

Seller's Description

This is a wonderful boat to sail; fast, stable and comfortable. We have always kept her & the 9.9 Long Shaft Johnston Motor, we bought new a few years ago, well maintained and serviced. In 2023 our mechanic gave it a “Overall Inspection & Service” they confirmed it’s in good shape. Has been reliable & starts like a top.

We are a couple that loved cruising this boat part time in the summer for over 35 years but now in our 70’s it’s time to sell her. We never raced this boat (so none of that stress and wear & tear were experienced). She was moored in fresh water for a # of years & the last several in Bellingham WA.

Very easy to operate with all lines accessible from the Cockpit. Traveler located above Cabin.

Brand NEW: Deck Refinished and Texturing, Companion Way Teak Hatch and Tiller, Stainless Steel Safety Cable Railing, Compass, 2 Gas Tanks and Tubing, Main, Dock and Traveler Lines, Traveler.

Standing Rigging & Other Lines, Electrical, Running Lights, Battery and Charger in Good Condition.

All Windows in Good Condition & don’t Leak (never have).

Main, Genoa & Jib Sails are on the older side but have worked fine for us cruising Puget Sound & the San Juan Islands in light & heavy seas. This boat sails great in Light Wind too…a PLUS in the PNW.

INTERIOR: in Excellent Condition with a Great Layout. Always been Dry, PLUS we have always stored her with HEAT. Very CLEAN, All Surfaces Sanitized.

CUSHIONS (Interior & Exterior) were professionally redone, always been on hydro-vent, are in Excellent Condition.

Can Sleep 4: V Berth 6’7”Long X 5’-4”Wide with custom oak rack. (Storage Below). Aft Berth 6’2”Long x 32” Wide (Storage below) Table folds down making a Double Berth can extend to a full Double Bed with exterior cushions and still have an aisle. (Storage below seats & table)

Additional Storage: Accessed from interior under the Center of the Cockpit. Fits a Ladder, 2nd Large Cooler and Dry Box for Sail Storage.

Equipment: Features: (continued)

GALLEY: On Starboard Wall Long Teak Lined & Edged SHELF extends beyond Aft Berth.

Counter with wood/straps to secure a Stove and Sink w/Pump Faucet (Space for 5 Galloon plus Tank Below Cabinet left of Counter).

Kitchen Cabinet with 2 Deep and Tall Shelves (Water below to floor level)

Long teak kitchen Drawer

2nd Kitchen Cabinet holds Small Propane Tanks, Canned Goods etc.

DINING: 2 Comfortable Cushioned Bench Seats seats 4. * Room for a Large Cooler next to Bench Seat by Wall ( and still have passage to V Berth for an Adult) ALSO Large Cooler can seat 2 Adults at end of Table. Teak Table with 2 Wall Brackets all in excellent shape. (Enclosed Storage below both Seats)

NOTE: It is easy for an Adult to sit on the Large Cooler and Pivot Working in the Kitchen Area and back to Dining Table making meal prep easy.

COCKPIT: 3 Bench Seats w/Comfortable Cushions in Excellent Condition.

Long Cockpit Bench (Port Side) Deep. Holds 2 Gas Cans/tubing, All Fenders, Deck Brush, Buckets for Cleaning Supplies, Winch Handle and Tiller Ex

Specs

Designer
Bruce Kirby
Builder
Clark Boat Company
Association
Quarter Ton Class
# Built
1200
Hull
Monohull
Keel
Fin
Rudder
Spade
Construction
FG

Dimensions

Length Overall
24 0 / 7.3 m
Waterline Length
19 5 / 5.9 m
Beam
8 0 / 2.4 m
Draft
4 0 / 1.2 m
Displacement
3,200 lb / 1,451 kg
Ballast
1,650 lb / 748 kg (Lead)

Rig and Sails

Type
Sloop
Reported Sail Area
246′² / 22.9 m²
Total Sail Area
247′² / 22.9 m²
Mainsail
Sail Area
104′² / 9.7 m²
P
25 11 / 7.9 m
E
8 0 / 2.4 m
Air Draft
?
Foresail
Sail Area
143′² / 13.2 m²
I
29 11 / 9.1 m
J
9 6 / 2.9 m
Forestay Length
31 5 / 9.6 m

Auxilary Power

Make
?
Model
?
HP
?
Fuel Type
?
Fuel Capacity
?
Engine Hours
?

Accomodations

Water Capacity
?
Holding Tank Capacity
?
Headroom
?
Cabins
1

Calculations

Hull Speed
7.1 kn
Classic: 5.92 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

7.1 knots
Classic formula: 5.92 knots
Sail Area/Displacement
18.1
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.
18.13
<16: under powered
16-20: good performance
>20: high performance
Ballast/Displacement
51.6
>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

51.55
<40: less stiff, less powerful
>40: stiffer, more powerful
Displacement/Length
193.0
100-200: light

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
192.95
<100: ultralight
100-200: light
200-300: moderate
300-400: heavy
>400: very heavy
Comfort Ratio
14.8
<20: lightweight racing 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
14.75
<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
2.2
>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
2.17
<2: better suited for ocean passages
>2: better suited for coastal cruising

Notes

From IOR 1/4 ton prototype.

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

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