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Seller's Description

1972 Allied Seawind

Solid Full Keeled Cruiser whose sistership was the first fiberglass boat to circumnavigate

“Jasmine” is listed for sale in Danvers, MA

All decks have been recored and all standing and running rigging was replaced along with a full electrical refit

Norvane self steering wind vane with wheel drum attachment Westerbeke W30 25HP Engine Electrical System replaced 2018 Balmar Smart Gauge ICOM M700Pro SSB Radio 12V Outlets 35 watt solar panel and regulator spreader lights

Brand New Standing and Running rigging in 2018 All deck rot removed and through deck fittings epoxied and sealed All new deck paint/non-skid New teak bow sprit Custom Seafrost Engine Driven Refrigeration New Dickinson Diesel Heater Simpson Lawrence manual windlass 44lb Rocna with 175 feet of 3/8 BBB Lavac Head with 6 Gallon Flexible Holding Tank deck fitting and overboard 140% Jib 160% Genoa Battened Main and Mizzen Sails cleaned and serviced annually by North Sails Kenyon Homestrand Kerosene dual burner cooktop with full set of spares

Refit Blog: lackeysailing.com/projects/jasmine

More Photos Available upon request

Asking $12,000

Specs

Designer
Thomas Gillmer
Builder
Allied Boat Company Inc.
Associations
?
# Built
161
Hull
Monohull
Keel
Long
Rudder
Transom hung
Construction
FG

Dimensions

Length Overall
29 11 / 9.1 m
Waterline Length
24 0 / 7.3 m
Beam
8 5 / 2.6 m
Draft
4 5 / 1.4 m
Displacement
12,000 lb / 5,443 kg
Ballast
4,200 lb / 1,905 kg

Rig and Sails

Type
Ketch
Reported Sail Area
502′² / 46.6 m²
Total Sail Area
425′² / 39.5 m²
Mainsail
Sail Area
207′² / 19.2 m²
P
31 9 / 9.7 m
E
12 11 / 4 m
Air Draft
?
Foresail
Sail Area
218′² / 20.3 m²
I
35 6 / 10.8 m
J
12 2 / 3.7 m
Forestay Length
37 7 / 11.5 m
Mizzen
PY
18 2 / 5.5 m
EY
8 5 / 2.6 m

Auxilary Power

Make
Palmer /Gray Marine
Model
M-60
HP
?
Fuel Type
Gas
Fuel Capacity
12 gal / 45 l
Engine Hours
?

Accomodations

Water Capacity
30 gal / 114 l
Holding Tank Capacity
?
Headroom
?
Cabins
?

Calculations

Hull Speed
6.4 kn
Classic: 6.57 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

6.35 knots
Classic formula: 6.57 knots
Sail Area/Displacement
15.3
<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.
15.33
<16: under powered
16-20: good performance
>20: high performance
Ballast/Displacement
35.0
<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

35.0
<40: less stiff, less powerful
>40: stiffer, more powerful
Displacement/Length
386.8
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
386.76
<100: ultralight
100-200: light
200-300: moderate
300-400: heavy
>400: very heavy
Comfort Ratio
36.6
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
36.63
<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

Originally designed for Kaiser Gale Force Yachts which sold the molds to Allied Boat Co. After changing the cabin top and port arrangement, the first boat appeared in 1962.
Early builders under contract were Lunn Laminates of Port Washington, NY and F.L. Tripp & Sons, Westport, MA.
(Allied eventually had it’s own large plant in the Catskills, NY.)
The SEAWIND was the first, as well as one of the last, boats built by Allied Boat Company. In 1978 it was brought back into production and actually built simultaneously with the newer SEAWIND II.
Also offered with a sloop rig. (with mast stepped farther aft.)
I: 35.58’/10.84m
J: 13.16’/4.01m
P: 31.83’/9.70m
E: 14.25’/4.34m

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

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