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Seller's Description

Outremer 51 Catamaran For Sale By Broker Location: Port Camargue, FR Asking: 1.035.000 (EUR)

S/V Vitamin is a France based 2018 Outremer 51 catamaran for sale by broker.This Outremer 51 (version 2) is the lightest and leanest Outremer 51 ever built by the Outremer yard. The owners, who previously had an Outremer 49, spent 6 months supervising the building and outfitting of the boat to make sure it met their demanding requirements. The equipment and amenities onboard reaffirm the deliberate choice of staying light and agile: The very complete sail inventory includes two mainsails (one all purpose Hydranet mainsail from 2021 and a carbon racing mainsail), genoa, gennaker, code D and asymmetric spinnaker. Three electric winches (two primaries, a helm cabin-top winch) facilitate sail handling when short handed and two autopilots provide back-up.…

Specs

Designer
Van Peteghem/Lauriot-Prevost
Builder
Outremer (Atelier Outremer)
Associations
?
# Built
?
Hull
Catamaran
Keel
Twin Daggerboard
Rudder
?
Construction
FG

Dimensions

Length Overall
50 11 / 15.5 m
Waterline Length
51 6 / 15.7 m
Beam
?
Draft
3 7 / 1.1 m ?
Displacement
27,560 lb / 12,500 kg
Ballast
?

Rig and Sails

Type
Fractional Sloop
Reported Sail Area
1,668′² / 155 m²
Total Sail Area
?
Mainsail
Sail Area
?
P
?
E
?
Air Draft
75 7 / 23.1 m
Foresail
Sail Area
?
I
?
J
?
Forestay Length
?

Auxilary Power

Make
?
Model
?
HP
50
Fuel Type
Diesel; Saildrive
Fuel Capacity
145 gal / 550 l
Engine Hours
?

Accomodations

Water Capacity
114 gal / 430 l
Holding Tank Capacity
?
Headroom
6 5 / 2 m
Cabins
?

Calculations

Hull Speed
14.6 kn
Classic: 9.62 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

14.64 knots
Classic formula: 9.62 knots
Sail Area/Displacement
29.3
>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.
29.26
<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
89.9
<100: Ultralight

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
89.85
<100: ultralight
100-200: light
200-300: moderate
300-400: heavy
>400: very heavy
Comfort Ratio
10.8
<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
10.75
<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
3.4
>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
3.43
<2: better suited for ocean passages
>2: better suited for coastal cruising

Notes

Interior design: Darnet Design.
Max load: 15,700 kg / 34,613 lbs.
Reported Sail Area = Main + Self-tacking jib.
- Main: 95m²
- Self-tacking jib: 45m²
- Genoa: 60m²

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