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1977 Charpentier design Trireme 43

Listed

Seller's Description

Vessel rebuild needed and systems upgrades

Must sell due to health problems. Low price to help offset cost of rebuild. All Reasonable Offers Considered. We can help hook you up with a reasonably priced professional boat transporter to move her to your location or a boatyard.

Vessel is currently hauled-out on the hard on our property, inside her boat “bow” shed. Photos span a number of years (date printed on them) and show her under full sail, at the dock as a liveaboard, as well as in her current state hauled out for major refit.

Recommend buyer has experience with steel boats or is a welder, as well as experience refitting vessels, and willing to put in the work to get her back on the water for blue-water cruising or use as a live-aboard.

History and Performance: For sale by the original owner, a professional mariner, who built her along with two sisterships in Biot, France. Trireme design by renowned French naval architect Francois Charpentier. Has the strength and durability of a steel hull, while doing a minimum of 6.5 to 7 knots, faster in the right conditions, with the flexibility of a cutter ketch rig. Interior is beautifully finished and comfortable as a live-aboard.

She has given us many enjoyable and successful seasons cruising and chartering in the Med and the Caribbean, including sailing school and blue-water crossings, and a liveaboard in Florida and elsewhere. Due to her steel hull and blue-water capability, she is ideal for the PNW and beyond.

Equipment: 43 ft LOD, 49 ft LOA w sprit for cutter rig Hull: welded mild steel, three hard chines Bottom 5 mm (3/16 in. or 0.20 decimal inch) Topsides 4 mm (3/16 in. approx. or 0.16 decimal inch) Deck/Coachroof 3 mm (1/8 in. or 0.12 decimal inch)

6 ft. 2 in. headroom throughout Two staterooms, sleeps 6 (full-width cabin with double bed aft; port and stbd bunk beds forward that can easily be redesigned to a double-berth Center-cockpit, wheel steering to a quadrant Ketch rigged, deck stepped main and mizzen aluminum masts Vetus 33hp engine, model 414A102, approx. 300 hours Misc. boat gear, equipment, sails, etc.

Hull strongly built, sound -exterior repainting due, touch-up of some bilge rust Cockpit wood coaming -rebuild/add new dodger Gear, fittings, masts, engine removed to on-site storage for refit -reinstall Some equipment and systems old - upgrade or replace due to age Sails good

Last major refit in 1997: Hull, topsides, and deck painted S/steel chainplates, bowsprit, and deck fitting upgrades, new s/steel stanchions Engine serviced Interior upgrades

Currently protected from the elements inside its boat shed Import Duty Paid

Also Available: Boat bow shed -fully dismantlable Metal boat stands Boat shed stairs

Specs

Designers
?
Builders
?
Associations
?
# Built
?
Hull
Monohull
Keel
?
Rudder
?
Construction
?

Dimensions

Length Overall
49 0 / 14.9 m
Waterline Length
?
Beam
13 1 / 4 m
Draft
6 1 / 1.9 m
Displacement
?
Ballast
?

Rig and Sails

Type
?
Reported Sail Area
?
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
2

Calculations

Hull Speed
?

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

?
Classic formula: ?
Sail Area/Displacement
?

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: under powered
16-20: good performance
>20: high performance
Ballast/Displacement
?

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

?
<40: less stiff, less powerful
>40: stiffer, more powerful
Displacement/Length
?

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
?
<100: ultralight
100-200: light
200-300: moderate
300-400: heavy
>400: very heavy
Comfort Ratio
?

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
?
<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
?

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

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

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