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1984 Herreshoff Tortola-Trawler Nereia Sloop

Listed

Seller's Description

Do you want a liveaboard boat? Or are you ready to cruise? Look into this spacious antique sailboat! Survey can be provided (completed January 2022). Beautifully maintained wood on the interior with a classic vibe (gimbled stove and oil lamps) and unique exterior with ratboards on the starboard shrouds, eyes painted on the bow to lead the way and tiller steering. Yet it is equipped with modern technologies including A/C, autopilot, and LED fairy lights. This is a USCG registered vessel and up to the safety standards (including lifejackets, fire extinguishers, smoke detectors, etc).

Equipment: LOA: 36.5 feet Draft: 5.5 feet Width: 11 feet Weight: 24000 lbs. Cold molded fiberglass monohull with full keel Diesel Engine: 50 hp Perkins 4-108 inboard (<1700hours) 3 tanks with 71 gallon capacity of fuel 100 gal freshwater holding tank 1 head with 13 gallon holding tank

Exterior: Sails: (new) mainsail, staysail, and (ProFurl 42) roller furling jib. Winches: 2 Lewmar 48# and 2 Lewmar 40# two-speed self tailing winches and 1 Lewmar 16# two-speed winch at the mast. Manual windlass including CQR 35# primary anchor and 40 feet of chain 200 feet of rode; Bruce 33# secondary anchor with chain and rode. Radar Reflector Bimini: added in 2019 with 3 panel Isinglass enclosure Bottom Paint: completed Oct 2022 with hard, modified epoxy antifouling paint. New 4 blade NAB propeller as of Oct 2022

Interior: Ice box Freshwater and saltwater outputs for stainless steel sink Shipmate 2 burner kerosene stove and oven Lots of galley storage Raytheon Ray 201 VHF radio Naxa TV with DVD player Mazzimo marine stereo with cassette player and speakers Cruisair 10,000 BTU marine air conditioning 30-amp shore power cord Gimbled oil lamps 2 solar power fans and 3 Hella 12V fans

Extras: Spare halyards, shrouds, and docklines Spare parts worth over $3000 (alternator, water pump, motor starter, bilge pump, throttle cable, etc.) Tools in the engine room Spare racors, fluids, oil filters, etc. Spare tiller Batteries replaced Dec 2022 (2 12V house connected in series and 1 12V engine with 950 CCA)

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Specs

Designer
L. Francis Herreshoff
Builder
Nereia Yachts (USA)
Associations
?
# Built
?
Hull
Monohull
Keel
Long
Rudder
?
Construction
Wood/FG

Dimensions

Length Overall
36 6 / 11.1 m
Waterline Length
31 9 / 9.7 m
Beam
10 11 / 3.4 m
Draft
5 6 / 1.7 m
Displacement
23,000 lb / 10,433 kg
Ballast
11,000 lb / 4,990 kg (Lead)

Rig and Sails

Type
Ketch
Reported Sail Area
673′² / 62.5 m²
Total Sail Area
?
Mainsail
Sail Area
?
P
?
E
?
Air Draft
?
Foresail
Sail Area
?
I
?
J
?
Forestay Length
?

Auxilary Power

Make
Perkins
Model
?
HP
?
Fuel Type
Diesel
Fuel Capacity
?
Engine Hours
?

Accomodations

Water Capacity
?
Holding Tank Capacity
?
Headroom
?
Cabins
1

Calculations

Hull Speed
7.7 kn
Classic: 7.55 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

7.74 knots
Classic formula: 7.55 knots
Sail Area/Displacement
13.3
<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.
13.31
<16: under powered
16-20: good performance
>20: high performance
Ballast/Displacement
47.8
>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

47.83
<40: less stiff, less powerful
>40: stiffer, more powerful
Displacement/Length
320.6
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
320.56
<100: ultralight
100-200: light
200-300: moderate
300-400: heavy
>400: very heavy
Comfort Ratio
43.7
40-50: heavy bluewater 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
43.67
<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
1.55
<2: better suited for ocean passages
>2: better suited for coastal cruising

Notes

Details varied from the original Herreshoff design. Thanks to ‘the Skipper’ for providing a lot of extra information on this yacht, not yet included.
Fiberglass version by Nereia Yachts, Wilmington, DE USA.

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

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