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Voyage 440

Voyage 440 is a 43′ 11″ / 13.4 m catamaran sailboat designed by Alexander Simonis and built by Voyage Yachts.

Designer
Alexander Simonis
Builder
Voyage Yachts
Associations
?
# Built
?
Hull
Catamaran
Keel
Stub
Rudder
Partial Skeg
Construction
FG
Also Known As

Dimensions

Length Overall
43′ 11″ / 13.4 m
Waterline Length
41′ 4″ / 12.6 m
Beam
24′ 10″ / 7.6 m
Draft
3′ 2″ / 1 m — ?
Displacement
16,200 lb / 7,348 kg
Ballast
6,800 lb / 3,084 kg ()

Rig and Sails

Type
Fractional Sloop
Reported Sail Area
1,174′² / 109.1 m²
Total Sail Area
?
Mainsail
Sail Area
645′² / 59.9 m²
P
?
E
?
Air Draft
62′ 0″ / 18.9 m
Foresail
Sail Area
376′² / 34.9 m²
I
?
J
?
Forestay Length
?

Auxilary Power

Make
2 x Yanmar
Model
HP
40
Fuel Type
Fuel Capacity
106 gal / 401 l

Accomodations

Water Capacity
106 gal / 401 l
Holding Tank Capacity
?
Headroom
?
Cabins
4

Calculations

Hull Speed
12.6 kn
Classic: 8.62 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

12.59 knots
Classic formula: 8.62 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.
29.34
<16: under powered
16-20: good performance
>20: high performance
Ballast/Displacement
42.0
>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

41.98
<40: less stiff, less powerful
>40: stiffer, more powerful
Displacement/Length
102.4
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
102.38
<100: ultralight
100-200: light
200-300: moderate
300-400: heavy
>400: very heavy
Comfort Ratio
8.2
<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
8.18
<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
3.9
>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
3.93
<2: better suited for ocean passages
>2: better suited for coastal cruising

Notes

The Voyage 440 is a performance, luxury, bluewater cruising catamaran. The spacious galley up combines with the saloon and cockpit to form an exceptional entertainment area. All cabins have queen-size beds. The layout options offer either the Owners version with three queen-size cabins, and a choice of two or three head / showers; or the Charter version with four queen-size cabins, and four head / showers. The deck has been designed for safety and shorthanded sailing with all controls led aft to the coachroof winches. The 440 also features a generous performance sail plan. The ample deck and trampoline area allow for comfortable outdoor activities, and the large cockpit is shaded by a bimini with hardtop walkway aft. The traveler arch features a step-through to the dive platform.

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