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Seller's Description

1971 Contest 30. Heavily built and designed to handle the North Sea. Hull is solid fiberglass meaning it has no core to rot out. The hull is has no soft spots or weaknesses. Engine is a volvo penta MD2 producing 25 HP. Runs perfectly and will give the boat 5.5 kts at 1800 RPM and burn .5 gallons an hour. 15 gallons total. 3 five gallon jerry cans on deck. 3 AGM batteries. All lights external and internal are LED. Sails are in good shape. Main has three reefs. all reefing is done at the mast. New Stack Pack installed January of 2019. Head sail is on a roller furler (Furlex 200). Replaced sun protection on the jib May 2020. Jib sheets and furling lines are new. She has wheel steering with direct “rod” linkage to the rudder. The Hydrovane windvane can steer the boat via wind power and can also act as a emergency rudder. The raymarine autopilot can also connect to the Hydrovane adding the capability to hold a magnetic heading. Interior is a mixture of teak floors and varnished wood. Upon entering the cabin the nav station with GPS/VFH/circuit breaker panel is to your right. the galley is to your left. The galley top was recently redone with butcher block and coated in clear epoxy. There was previously an alcohol stove however I took it out for more space. Another can easily be put in. There is one quarter berth and the side births extend for a bigger bed. The forward berth easily sleeps two. The head is a chemical porta potty type. There is an icebox for food (no refridgeration). I bought Star Dancer because I wanted a boat that was simple, reliable and sea worthy and she has proved to be all those things. while she lacks in some of the amenities of home you get the reward of keeping things simple which means less work. If you want a boat to take you across oceans safely, this is the one for you. She is ready to sail NOW. I am only selling because I am in the military and am getting transferred to Nevada. This is not your run of the mill massed produced 30 footer. This boat will take you places safely!

Equipment: Raymarine Tiller pilot. 1st Gen Hydrovane Wind Vane VHF with ADSB in. Older Color GARMIN GPS with displayed ADS-B tracks. Rocna anchor with 30’ chain. Spare prop Rule bilge pump with external float switch. Manual bilge pump Barlow Self Tailing Winches Spinnaker Pole dodger extension for shade Hand held VHF, Flares, Flare Gun, 3 Fire Extinguishers

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Specs

Designer
Dick Zaal
Builder
Contest Yachts - Conyplex
Associations
?
# Built
80
Hull
Monohull
Keel
Fin
Rudder
Skeg
Construction
FG

Dimensions

Length Overall
29 11 / 9.1 m
Waterline Length
29 11 / 9.1 m
Beam
33 0 / 10.1 m
Draft
6 0 / 1.8 m
Displacement
8,820 lb / 4,001 kg
Ballast
4,000 lb / 1,814 kg

Rig and Sails

Type
Sloop
Reported Sail Area
362′² / 33.6 m²
Total Sail Area
362′² / 33.7 m²
Mainsail
Sail Area
153′² / 14.2 m²
P
29 11 / 9.1 m
E
10 2 / 3.1 m
Air Draft
?
Foresail
Sail Area
209′² / 19.5 m²
I
35 9 / 10.9 m
J
11 8 / 3.6 m
Forestay Length
37 7 / 11.5 m

Auxilary Power

Make
Universal
Model
Atomic 4
HP
30
Fuel Type
Gas
Fuel Capacity
?
Engine Hours
?

Accomodations

Water Capacity
?
Holding Tank Capacity
?
Headroom
?
Cabins
1

Calculations

Hull Speed
7.4 kn
Classic: 6.69 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

7.37 knots
Classic formula: 6.69 knots
Sail Area/Displacement
13.6
<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.
13.57
<16: under powered
16-20: good performance
>20: high performance
Ballast/Displacement
45.3
>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

45.34
<40: less stiff, less powerful
>40: stiffer, more powerful
Displacement/Length
254.0
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
254.01
<100: ultralight
100-200: light
200-300: moderate
300-400: heavy
>400: very heavy
Comfort Ratio
27.5
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
27.47
<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
1.7
<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
1.74
<2: better suited for ocean passages
>2: better suited for coastal cruising

Notes

IOR 1/2 ton.

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