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Seller's Description

Go to Sailing Texas classifieds for current sailboats for sale Herreshoff America 18, 1980 sailboat for sale $3,800 (Huntsville Alabama) Displacement is about 2,500# Length is 18’, Beam is 8’

More design specs can be seen here: https://sailboatdata.com/sailboat/herreshoff-america/

Delivery within a few hundred miles of Huntsville AL can be arranged for a fee.

Here’s the list of what she has:

The hull is in very good condition, as is the cabin -\ The engine is a 6Hp Tohatsu longshaft 2007. Last ran fine in 2019 just before I purchased the boat. The trailer is in fair-to-good condition with new tires (less than 800 miles on them) and new hubs (zero miles-just installed). I’m including a set of magnetic trailer lights because the hardwired lights are not working. The sail is in good condition. I had been using it on the sister boat up until last year (see pic with two boats, the one on the left is for sale). All hardware and rigging looks to be in very good working condition The cushions are in very good condition -Gelcoat above and below the water line is in very good condition. Just needs buffing & polishing -About 500 pounds of lead ingots for ballast -Rudder and tiller in good condition -No visible dings or bends in the mast, boom or gaff. Gaff jaw in good condition -All the teak is in very good condition. It is not varnished. I was told in 2019 by the previous owner the swing keel had been replaced 2016. I have not looked at it.

This is what I know needs some work:

The trailer needs a small metal plate welded over a rust hole. It came all the way from Connecticut to Alabama in that conditions without issue. It probably also needs new U-bolts to attach the axel to the springs and the springs to the trailer frame. A fuel line from the tank to the motor Permanent trailer lights The cockpit floor is soft so could use attention. My intention was to use Inject-A-Deck A squirrel took up residence in the cabin this winter and there’s still a little deodorizing to be done, but nothing too bad. I removed all the debris from the winter squatter! There is gelcoat crazing on the decks Recommend replacing the halyards and sheets

SOLD

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Specs

Designer
Halsey Herreshoff
Builder
Nowak and Williams
Associations
?
# Built
?
Hull
Monohull
Keel
Centerboard
Rudder
?
Construction
FG

Dimensions

Length Overall
18 2 / 5.5 m
Waterline Length
17 8 / 5.4 m
Beam
8 0 / 2.4 m
Draft
1 10 / 0.6 m ?
Displacement
2,500 lb / 1,134 kg
Ballast
500 lb / 227 kg (Lead)

Rig and Sails

Type
Gaff-Cat
Reported Sail Area
260′² / 24.2 m²
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
6.7 kn
Classic: 5.65 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

6.7 knots
Classic formula: 5.65 knots
Sail Area/Displacement
22.6
>20: high 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.
22.58
<16: under powered
16-20: good performance
>20: high performance
Ballast/Displacement
20.0
<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

20.02
<40: less stiff, less powerful
>40: stiffer, more powerful
Displacement/Length
199.6
100-200: light

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
199.6
<100: ultralight
100-200: light
200-300: moderate
300-400: heavy
>400: very heavy
Comfort Ratio
13.4
<20: lightweight racing 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
13.44
<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
2.4
>2.0: better suited for coastal cruising

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
2.36
<2: better suited for ocean passages
>2: better suited for coastal cruising

Notes

Later built by:
Squadron Yachts, Bristol, RI
Nauset Marine, Orleans, MA
Tooling acquired by Com-Pac Yachts (2002?).

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

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