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1983 Cape Dory Yachts Typhoon Weekender

Listed
Expired
$17,000 USD

Seller's Description

1983 Cape Dory Typhoon Hull # 1933 for sale. This Cape Dory has been owned by only 2 families. Family #1 owned from 1983 to 2012, and I, from 2012 to present. Hull 1933 spent 29 years gently floating on a pin in Smith Mountain Lake VA & Lake Mendota WI - always winter stored inside. Since 2012, day sailed on Lake Michigan and returned to inside storage mast up. Again, winter stored inside. This boat has never been sailed in salt water. My goal was to restore Hull 1933 to like new condition. Im proud to say this boat and trailer will elicit complements whenever seen. Ive been told this boat belongs in a bottle; however, she is ready to sail by new owners. Port and starboard sides are brilliant white, deck is tan, boot stripe & custom-made Loadmaster trailer are a dark burgundy, the hull is racing bronze. All teak in excellent condition. Skip gas and sail a boat! Avoid costly slip fees and take advantage of day sailing. Links to YouTube sailing videos on request. All original manuals and documentation available.

Equipment: Extensive refit since 2012: 2021 new custom mainsail and sail cradle by Neilson Sail Makers in Racine WI, window added to genoa, new Harken boom vang, inside wood stained and varnished 2020 new Honda 4hp long shaft motor 2018 bottom sanded & painted with 2 coats of Interlux Racing Bronze Fiberglass Bottomkote. 2017 new Sails East 135 Genoa, new Schaefer Roller Furling, new custom-made Loadmaster Trailer - 6000 lb., float off & on rails, 7-foot tongue extension and electric drum brakes. All teak sanded and varnished. 2015 new deck cushions 2012 bottom stripped, keel ground down eliminating all spider cracks, new bottom paint, new boot stripe, new Rickie bulkhead compass, new battery charger & electrical panel. Turnbuckles, stern light, dock lines & halyards replaced.

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Specs

Designers
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Builders
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Associations
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# Built
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Hull
Monohull
Keel
?
Rudder
?
Construction
?

Dimensions

Length Overall
18 0 / 5.5 m
Waterline Length
?
Beam
6 0 / 1.8 m
Draft
2 0 / 0.6 m
Displacement
?
Ballast
?

Rig and Sails

Type
?
Reported Sail Area
?
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
?

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

?
Classic formula: ?
Sail Area/Displacement
?

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: 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
?

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
?
<100: ultralight
100-200: light
200-300: moderate
300-400: heavy
>400: very heavy
Comfort Ratio
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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
?
<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
?

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: better suited for ocean passages
>2: better suited for coastal cruising

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