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Seller's Description

Evolution of the revolutionary BALI 4.0, the BALI 4.1 innovates once again. The BALI 4.1 is the first sailing catamaran, totally bridged from its bows to its back boards, offering a fully open and ergonomic living space. It also offers a large front cockpit with sunbeds, a relaxation area on the breathtaking roof, a platform connecting the two rear skirts with a large bench and a general comfort worthy of a large catamaran.

The Bali 4.1 will still have the spaces to relax in, such as the forward cockpit with dining area, as well as a comfortable and large sunbathing area in place of the traditional trampoline. This integral foredeck area is especially comfortable for cruisers as it provides rigidity and protection from spray. That space is large enough to accommodate the whole crew; and the open space connection to the interior saloon through a large drop-down window is a great design feature.

The interior of the Bali 4.1 sailing catamaran has been redesigned by Lasta Design Studio and emphasizes light and ergonomics. There is a large amount of work and storage space in the galley, which is key for all cruisers. The signature voluminous accommodations on board are comfortable and spacious, as is the same with the other Bali models. The cruising amenities, such as full fridge and extra tankage, makes this catamaran once of the most practical for cruisers in its size range.

Equipment: Coveted 3-cabin / 2-head owner’s version, never been chartered. Like new condition with 2 x 4o hp diesel engines w/ folding props; Raymarine electronics w/ autopilot; A/C; water maker; Onan 9KW genset; solar panels; elec. winches; new inflatable dinghy w/ 6 hp Yamaha;

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Specs

Designer
Xavier Fay/Poncin/Couedel
Builder
Catana
Associations
?
# Built
?
Hull
Catamaran
Keel
Twin
Rudder
?
Construction
FG infusion/balsa above waterline

Dimensions

Length Overall
42 11 / 13.1 m
Waterline Length
131 2 / 40 m
Beam
72 2 / 22 m
Draft
13 1 / 4 m
Displacement
24,910 lb / 11,300 kg
Ballast
?

Rig and Sails

Type
Sloop
Reported Sail Area
1,010′² / 93.8 m²
Total Sail Area
?
Mainsail
Sail Area
?
P
?
E
?
Air Draft
?
Foresail
Sail Area
?
I
?
J
?
Forestay Length
?

Auxilary Power

Make
?
Model
?
HP
80
Fuel Type
Diesel X 2
Fuel Capacity
211 gal / 799 l
Engine Hours
?

Accomodations

Water Capacity
211 gal / 799 l
Holding Tank Capacity
?
Headroom
?
Cabins
3

Calculations

Hull Speed
11.0 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

11.01 knots
Classic formula: 8.62 knots
Sail Area/Displacement
19.0
16-20: good 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.
18.95
<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
157.4
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
157.43
<100: ultralight
100-200: light
200-300: moderate
300-400: heavy
>400: very heavy
Comfort Ratio
13.7
<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
13.74
<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
3.2
>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
3.2
<2: better suited for ocean passages
>2: better suited for coastal cruising

Notes

Conception: Olivier Poncin
Naval Architect: Xavier Fay
Interior design: Hervé Couedel

Mainsail area 559,7 sq ft - 52 m²
Solent 403 sq ft - 37,5 m²

CE CAT : A - 12 persons

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