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1967 Allied Seawind

$40,000 USD

Seller's Description

“Stardust” recently returned from a trip from the USVI to the Grenadines. She has been fully restored and outfitted for a circumnavigation.

If desired, the purchase includes one week of free cruising lessons, taught by her owner. Possible topics include voyage planning, proper anchoring, wind vane operation basic engine maintenance, electrical repair, and how to catch dinner etc.

Included is her custom Divinycell cored 6.5 foot tender “Cricket”.

Take a look at her under sail here:

Equipment: Features:

New Awlgrip sprayed 3 coats 2022 New Awlgrip deck paint with KiwiGrip nonskid 2022-2023 New Vulcan 33 2023 New 2 x 200 ft New England 5/8 Rode 2022 New 200 ft 5/16 G4 chain for primary deployment Mizzen mast fully repainted 2021 New main mast 1990 New mizzen mast bulkhead 2020 New custom mizzen mast base 2022 New custom mizzen masthead 2022 New custom main mast saddle SS 2020 New standing rigging 2021 New chainplates with new covers 2021 New bow pulpit 2021 New stern pulpit 2021 New Main sail 2023 New Mizzen sail 2023 New storm jib 2023 New Main boom 2022 New Mizzen boom 2022 New Monitor Windvane 2022 New Pelagic Autopilot 2021 New Aluminum toe rails 2022 New Mahogany bowsprit 2018 New Teak coamings 2023 New Teak tiller 2023 New Lewmar 16St winches for staysail/storm job 2023 New custom turtle hatch cover 2023 New custom hard dodger 2023 New cutlass bearing 2023 New prop shaft 2019 Rebuilt injector pump and injectors 2021 New injector lines 2021 Custom 50 Gallon integral water tank 2022 All new seacocks with flanged bases 2022 New custom SS compression post 2023 New inner stay with SS hound for storm jib or yankee. New Michigan wheel propeller 2023 New 400 Watt AIR X Wind Turbine W carbon fiber blades 2021-2022 New custom anodized aluminum turbine mount 2021-2022 New Icom AIS receiver 2022 Icomm SSB Receiver and Tuner - no antenna New Furuno 16m radar 2022 New Antennas and coax 2021 New ZF Hurth 15m transmission All new electrical wiring - 2021 New masthead tri-color light 2021 2 New Paneltronics breaker panels New rule bilge pump and float switch 2021 200 Watts solar panel 400 watt Midnight solar “The kid” Solar controller 400 Watt-Hr AGM 6D batteries 2021 New shower with sump pump in head 2023-2024 All new electrical wiring - 2021 Custom built refrigerator box with 4” insulation New isotherm refrigerator 2021 New fixed plexiglass dead lights Interior repainted, revarnished, and oiled All lockers painted with Interlux 2000e Gudgeons and Pintles resurfaces and sleeved - 2022 Repainted engine

There are lots of other items being included with the sale which are not listed. If you have any questions please feel free to contact us.



Thomas Gillmer
Allied Boat Company Inc.
# Built
Transom hung


Length Overall
29 11 / 9.1 m
Waterline Length
24 0 / 7.3 m
12,000 lb / 5,443 kg
4,200 lb / 1,905 kg

Rig and Sails

Reported Sail Area
502′² / 46.6 m²
Total Sail Area
425′² / 39.5 m²
Sail Area
207′² / 19.2 m²
31 9 / 9.7 m
12 11 / 4 m
Air Draft
Sail Area
218′² / 20.3 m²
35 6 / 10.8 m
12 2 / 3.7 m
Forestay Length
37 7 / 11.5 m
18 2 / 5.5 m
8 5 / 2.6 m

Auxilary Power

Palmer /Gray Marine
Fuel Type
Fuel Capacity
12 gal / 45 l
Engine Hours


Water Capacity
30 gal / 114 l
Holding Tank Capacity


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.


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
<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.


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
<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.


Ballast / Displacement * 100

<40: less stiff, less powerful
>40: stiffer, more powerful
>350: ultraheavy

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.


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
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.


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
<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.


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


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

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