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1979 Union Polaris 36

Listed
Expired
$68,000 USD

Seller's Description

This boat is a rare find on the Northeast coast, but it suits her well. As an iconic Robert Perry designed double-ender, she handles these waters superbly since she was built for bluewater world cruising.

This beauty stands above the competition since she has had an engine upgrade and the teak decks have been removed!!

This boat is essentially the same boat as a Hans Christian or a Tayana but built at a different Taiwan shipyard (the Union Shipyard, hence the name Union Polaris). These hulls were built rugged and designed and built to handle any sea.

She has a full complement of sails that will last for many years. Her worm-gear steering is bullet proof and when tied to the autopilot or wind vane, this boat can put some miles on without tiring the crew.

Her electric windlass is recent and her 300 feet of chain rode will handle most any anchorage. The Trojan batteries are two years old and her electric head is beloved by the seller for its ease of use.

She has a woodstove for winter and an air conditioner (hardly used here in New England) for summer. Her solar panels mounted on the arch easily keep the batteries charged.

Don’t wait too long to arrange a showing on this one. The seller has purchased his new boat and is very motivated.

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Specs

Designer
Robert Perry
Builder
Union Yacht Co. (Tiawan)
Associations
?
# Built
160
Hull
Monohull
Keel
Long
Rudder
?
Construction
FG (solid laminate)

Dimensions

Length Overall
36 8 / 11.2 m
Waterline Length
31 11 / 9.8 m
Beam
11 3 / 3.5 m
Draft
6 0 / 1.8 m
Displacement
22,000 lb / 9,979 kg
Ballast
7,800 lb / 3,538 kg (Iron)

Rig and Sails

Type
Cutter
Reported Sail Area
786′² / 73 m²
Total Sail Area
786′² / 73 m²
Mainsail
Sail Area
333′² / 30.9 m²
P
40 7 / 12.4 m
E
16 4 / 5 m
Air Draft
?
Foresail
Sail Area
453′² / 42.1 m²
I
47 8 / 14.5 m
J
18 11 / 5.8 m
Forestay Length
51 4 / 15.7 m

Auxilary Power

Make
Volvo
Model
?
HP
32
Fuel Type
Diesel
Fuel Capacity
65 gal / 246 l
Engine Hours
?

Accomodations

Water Capacity
100 gal / 379 l
Holding Tank Capacity
?
Headroom
?
Cabins
?

Calculations

Hull Speed
7.9 kn
Classic: 7.58 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

7.93 knots
Classic formula: 7.58 knots
Sail Area/Displacement
16.0
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.
16.02
<16: under powered
16-20: good performance
>20: high performance
Ballast/Displacement
35.5
<40: less stiff, less 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

35.45
<40: less stiff, less powerful
>40: stiffer, more powerful
Displacement/Length
300.1
275-350: 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
300.06
<100: ultralight
100-200: light
200-300: moderate
300-400: heavy
>400: very heavy
Comfort Ratio
39.9
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
39.91
<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
1.62
<2: better suited for ocean passages
>2: better suited for coastal cruising

Notes

According to designer, Robert Perry, the HANS CHRISTIAN 36, MARINER POLARIS, UNION POLARIS 36, and EO 36 are all nearly the same, which, in turn, are lengthened versions of the HANS CHRISTIAN 34, the boat he was originally commissioned to design but, of which, few were built.
(previously listed here as UNION POLARIS 36).

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

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