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Seller's Description

A vacation every week, all season long….

This 1968 Grampian 31 Custom Sailboat (34’ with bow sprit,) Sleeps 4, is in great condition, and has only been sailed in fresh water- But is ocean-worthy! Teak & bronze everywhere! Our boat was well-loved & maintained, but has not done much sailing since her Captain passed away. She deserves better!

8/07/03 Boat Survey Available, & Record of Work Done Since Then

Deck, other than cockpit, needs painting- both types of paint included, quart of anti-skid is unopened.

Equipment: 1987 Yanmar Diesel Engine Model #3 GMF 20HP3 Cylinders (have service manual), Full Keel Sloop, which allows for smooth sailing over high waves, Classic Bronze Port Light, Bronze Thru-Hulls With Ball Valve, All Bronze Ports and Screens, Bronze Stanchions, Stainless Steel Bow Pulpit/Rail is Stainless Steel, Stern Pulpit is Stainless Steel, 3 Wooden Bow Sprit, Lifelines are Vinyl-Covered Stainless Steel Wire, Bronze Cleats/Chocks, 2 Wooden Hatches, Very Good Ventilation.

Cabin Interior: V-Berth, Plus 2 in Main Cabin, One Head, Bronze Faucet and Light Fixtures, Refrigerator, Stainless Steel Sink, Gimbaled Propane Stove/Oven, Bronze With Ball Valve Water Intakes, Two Cabin Lockers, Storage Under Setees, All Cushions in Like New Condition, Stereo, Raw Water Cooling System, Edson Steering System

Newer Electrical System, BRAND NEW West Marine hybrid dual purpose 675 starting & deep cycle batteries. Rotary Battery Switches Over Motor, Fuse Panel in the Galley, Red and Green Analog Volt Meter, One Shore Power Inlet Aft of Cockpit, 30 Amp, Weather Protected. Shore Power Cord 30 Amp 50. Fresh Water Portable Tank w/ Built-In Bladder, Bronze Pump, covered trash receptacle.

Deck Winches: Self Tailing. 1 Southcoast Bronze, 2 Barlow 15, 2 Barlow 24 Bronze; Self Tayline, 2 MH #3, Roller Furling Jib - Cruising Design, Roller Furling Main - Hyde. Bronze Depth Finder.

Extras: Winter Canvas Cover w/ Frame, Boat Hooks, Mooring Lines, Fenders. Extra C-Me Sails, Record of Work Done, 2 Gale Force Viking 275 Inflatable Life Jackets, 1 West Marine Inflatable Life Jacket, 1 Stearns Inflatable Life Jacket, Cockpit Cushions, 3 Deck Chairs, Lake Erie & Lake Ontario Ports O Call Manual, Charts, Weems & Plath Parallel Plotter #120, Manuals for All Systems Included.

NEVER USED! Still-in-the-package Extras: ATM Topclimber for attaching to a halyard and hoisting to the mast head, Olin Alert/Locate Marine Signal Kit, Garmin GPSmap 168 Sounder w/internal antenna, SHURflo Marine Automatic Demand Pump, Standard Horizon 150 Series Marine Instruments, SONY Marine FM/AM Digital Media Player w/USB/iPod Connection and Tune Tray, Plastimo Bilge Pump 925, Victory Breaker Panel, Trisco Tiple Gauge: Indicates Ammeter, Oil Pressure Gauge, & Temperature Gauge, Standard Horizon Speed/Temp Impeller, Gigaware Composite A/V Cable for iPod or iPhone, 30 Flat Speaker Wire, 12V Power Outlet, ABi Standard Hatch Hinges (Polished Brass), ABi Hatch Lift Handle (Polished Brass), fan, Dolphin Premium Fender, 4 Fender Covers.

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Specs

Designer
Sparkman & Stephens
Builder
Grampian Marine
Association
Grampian Owners Marina
# Built
30
Hull
Monohull
Keel
?
Rudder
?
Construction
FG

Dimensions

Length Overall
31 0 / 9.5 m
Waterline Length
31 0 / 9.5 m
Beam
8 4 / 2.6 m
Draft
4 4 / 1.3 m
Displacement
16,800 lb / 7,620 kg
Ballast
6,800 lb / 3,084 kg

Rig and Sails

Type
Sloop
Reported Sail Area
639′² / 59.4 m²
Total Sail Area
?
Mainsail
Sail Area
?
P
?
E
?
Air Draft
?
Foresail
Sail Area
?
I
?
J
?
Forestay Length
?

Auxilary Power

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

Accomodations

Water Capacity
?
Holding Tank Capacity
?
Headroom
?
Cabins
?

Calculations

Hull Speed
6.5 kn
Classic: 6.87 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

6.49 knots
Classic formula: 6.87 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.
15.59
<16: under powered
16-20: good performance
>20: high performance
Ballast/Displacement
40.5
>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

40.47
<40: less stiff, less powerful
>40: stiffer, more powerful
Displacement/Length
414.8
>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
414.78
<100: ultralight
100-200: light
200-300: moderate
300-400: heavy
>400: very heavy
Comfort Ratio
39.6
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
39.55
<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
1.6
<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
1.59
<2: better suited for ocean passages
>2: better suited for coastal cruising

Notes

S&S design #1718. Also sold as the WALTON 37. Some were sold as bare hull/kit boats.
Thanks to CLASSIC 37 owner Evan for supplying this information.

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

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