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1966 International 500

Listed
Expired
$14,500 USD

Seller's Description

32’ classic fiberglass cruising yawl in excellent condition. Solidfiberglass hull, epoxy barrier coated, no blisters. Beta 20 diesel engine with only 188 hours. Harken roller furling. New main and genoa, by Quantum Sails. Aluminum mast and boom, slab reefing. Garmin Chartplotter and Radar. Awlgrip navy blue hull. Encapsulated lead keel.

Equipment: Accommodations: 6’ headroom. Sleeps 5, two on V-berth forward, one each in starboard settee, port settee/pullout transom berth, and port pilot berth. Forward hatch for ventilation. Small hanging locker.

New Raritan head with holding tank. Vanity sink in head compartment.

Portable folding table for main cabin and cockpit. Storage shelves and lockers throughout.

Galley includes two burner alcohol stove, stainless steel sink, and large ice box. Dish, cup, pots and pans storage.

Deck: Lewmar delta-style anchor, chain and rode for stainless bow roller. Anchor locker forward with hawse pipe. Danforth anchor, chain, and rode.

Cockpit dodger and side panels.

Stainless steel swim ladder

Navigation: Garmin Chartplotter and Radar. VHF, Masthead windex wind indicator, Ritchie compass, heel indicator. Raymarine Tiller Pilot. Firdell Radar Reflector.

Electrical: Two AGM 12 volt batteries with selector switch. Cabin lights throughout.

Mechanical and Engine: Beta 20 diesel engine with 188 hours, well maintained.

Electric and manual bilge pumps.

Sails and Rigging: Aluminum masts (main and mizzen), booms, and spinnaker pole. Harken roller furling for genoa. New Quantum Sails mainsail and genoa. Slab reefing for mainsail. Mizzen sail is in very good condition.

Tankage: 20 gallon Monel fuel tank, 40 gallon Monel water tank. Rigid holding tank with deck pumpout

Specs

Designer
Robert G. Henry Jr.
Builder
DeDood and Sohn Yacht und Boatwerks (GER)
Associations
?
# Built
14
Hull
Monohull
Keel
Long
Rudder
?
Construction
Wood/FG

Dimensions

Length Overall
31 11 / 9.8 m
Waterline Length
23 5 / 7.2 m
Beam
8 9 / 2.7 m
Draft
4 9 / 1.5 m
Displacement
11,200 lb / 5,080 kg
Ballast
?

Rig and Sails

Type
Sloop
Reported Sail Area
496′² / 46.1 m²
Total Sail Area
506′² / 47 m²
Mainsail
Sail Area
275′² / 25.6 m²
P
35 5 / 10.8 m
E
15 5 / 4.7 m
Air Draft
?
Foresail
Sail Area
231′² / 21.5 m²
I
38 5 / 11.7 m
J
12 0 / 3.7 m
Forestay Length
40 3 / 12.3 m

Auxilary Power

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

Accomodations

Water Capacity
?
Holding Tank Capacity
?
Headroom
?
Cabins
2

Calculations

Hull Speed
6.3 kn
Classic: 6.49 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

6.28 knots
Classic formula: 6.49 knots
Sail Area/Displacement
15.9
<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.
15.85
<16: under powered
16-20: good performance
>20: high performance
Ballast/Displacement
?

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: less stiff, less powerful
>40: stiffer, more powerful
Displacement/Length
385.7
300-400: heavy

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
385.71
<100: ultralight
100-200: light
200-300: moderate
300-400: heavy
>400: very heavy
Comfort Ratio
37.2
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
37.23
<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
1.55
<2: better suited for ocean passages
>2: better suited for coastal cruising

Notes

14 INTERNATIONAL 500s built by DeDood were delivered to various yacht brokers and shipyards along the Eastern Seaboard of the United States during the late 1950s and early 1960s. Later, some were built of Fiberglass.

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

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