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Seller's Description

Flag Francais Double Cabin(s) 4 Heads 2

L.O.A. 12.40 m Beam 7.09 m Displacement 7 300 kg Draft 1.20 m

ENGINE Engine Hours 2000h Engines 2 x Volvo Penta D1-30 (2015) Engines HP 2 x 30 Hp Sail drive Volvo Penta 130 S B (2015)

ELECTRICS Alternator size and type Mitsubishi 115A x 2 Service Battery 3 x 12V/145 Ah (2018) Engine Battery 2 x 12V/75 Ah (2019) Inverter 300 W (2019) Solar panel 2 x 110w Electrical socket 220 v Charger system Dolphin 12V/40 A

Equipment: TANKAGE Fuel 240 L Holdings 60 L Water 800 L

INVENTORY Hot water heater Quick 25 L (2007) WC 2 x manuals Sink size and type x 2 Stove Eno 2 x burners Salt water pump Refrigerator x 2 Dock lines 2 x 20 m Primary anchor Delta 20 kg x 50 m of chain Secondary anchor Britany 16 kg Bimini Davits Cockpit cushions Standing rigging(2012) Windlass Lofrans tiger 12V 1200w Stack pack with lazy jacks (2017) Fenders 8 2 List all winch sizes and brand 1 x el harken 40, 2 x harken 46, harken 32

SAILS Mainsail 56 m (2019) Genoa furler 38 m

ELECTRONICS Wind speed and direction Raymarine ST60 Compass Plastimo offshore 10S Chart plotter Raymarine a75 WIFI Autopilot Raymarine ST 6002 Depth sounder Raymarine ST60 tridata VHF Radio Raymarine ray55e

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Specs

Designer
Van Peteghem/Lauriot-Prevost
Builders
CNB
Jeanneau
Lagoon Catamaran
Associations
?
# Built
250
Hull
Catamaran
Keel
Twin
Rudder
?
Construction
FG

Dimensions

Length Overall
40 7 / 12.4 m
Waterline Length
133 6 / 40.7 m
Beam
76 5 / 23.3 m
Draft
12 9 / 3.9 m
Displacement
15,960 lb / 7,240 kg
Ballast
?

Rig and Sails

Type
Sloop
Reported Sail Area
957′² / 88.9 m²
Total Sail Area
?
Mainsail
Sail Area
?
P
?
E
?
Air Draft
60 0 / 18.3 m
Foresail
Sail Area
?
I
?
J
?
Forestay Length
?

Auxilary Power

Make
?
Model
?
HP
54
Fuel Type
Diesel X2
Fuel Capacity
53 gal / 201 l
Engine Hours
?

Accomodations

Water Capacity
12 gal / 45 l
Holding Tank Capacity
?
Headroom
?
Cabins
4

Calculations

Hull Speed
11.3 kn
Classic: 8.29 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

11.33 knots
Classic formula: 8.29 knots
Sail Area/Displacement
24.2
>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.
24.15
<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
127.0
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
126.96
<100: ultralight
100-200: light
200-300: moderate
300-400: heavy
>400: very heavy
Comfort Ratio
8.1
<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
8.09
<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
4.2
>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
4.17
<2: better suited for ocean passages
>2: better suited for coastal cruising

Notes

The LAGOON 410 (built in France) replaced the LAGOON 42 (built by TPI in US).
A later, updated version was called the LAGOON 410-S2.

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