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Seller's Description

MelloDia is the highly sought after 2008 Leopard 46 owners version. Designed by Morrelli & Melvin and built in South Africa by Robertson and Caine the Leopard 46 has become widely recognized as one of the most successful examples of a blue water cruising catamaran, providing a spectacular merger between comfort and reliability. MelloDia has been lovingly maintained by the current live aboard owners and boasts a plethora of features and upgrades which include:

  • Standing rigging replaced 2018
  • Running rigging replaced 2018
  • New Dave Calvert sails designed expressly for the leopard 46 (8months old)
  • Isinglass helm enclosure
  • Solar panels totaling 960 watts
  • Skymate satcom system
  • 2 wind generators
  • Watermaker
  • The list of features and upgrades just goes on….

Additional Details

Electronics Iridium sat phone (Beam RST075) Skymate Mseries sitcom system EPIRB global fix pro ACR Helm plotter: Raymarine E140w Nav. station plotter: Raymarine E120w Depth/speed: Raymarine tridata DT800 Wind indicator: Raymarine ST 60+ Autopilot: Raymarine P70 control head Compass: Plastimo GPS: Raymarine VHF 1: Raymarine 240 VHF/AIS: Raymarine AIS650 class B transponder Radar: Raymarine RD418D Stereo: Clarion CMD6 Cockpit stereo: Fusion MS-MV600 Cockpit speakers: 4 fusion speakers Salon speakers: 4 Clarion speakers TV’s in Salon and cabins DVD players for TV’s Inside equipment Electric bilge pumps Manual bilge pumps Air conditioning/heating: Cruise air units, 16000BTU unit in salon and a 12000BTU unit in both port and starboard hulls. Water-maker: Sea recovery, 120VAC Washing machine Oven: Force 10 propane, 3 burner Microwave oven Electric heads (3) two with commoderizers to combat marine head smell. Electrical Generator: Northern lights 9.5Kwt Wind generator: Two 400 watt units Solar panels: Three 320 watt panels (960 watts total) Inverter: 3000 watt Shore power inlet: Two 30amp/125VOutside equipment BBQ: Magma Cockpit cushions Cockpit/transom shower Radar reflector Primary anchor: Delta with 300’ of 3/8 chain Secondary anchor: Danforth 300’ of 1” 3 strand rode Fenders: eight large Dock lines: ten UV window covers UV hatch covers Winch covers Life raft (exp 2011)Sails and rigging Mainsail: Dave Calvert dacron marblehead sails, designed specifically for the leopard 46 (2019). Genoa: Dave Calvert dacron marblehead sails, designed specifically for the leopard 46 (2019). Asymmetric spinnaker Aluminum mast 72’ Standing rigging replaced 2018 Running rigging replaced 2018

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Specs

Designer
Morrelli & Melvin
Builder
Robertson & Caine
Associations
?
# Built
?
Hull
Catamaran
Keel
Twin
Rudder
?
Construction
FG
Also Known As
Moorings 4600

Dimensions

Length Overall
46 3 / 14.1 m
Waterline Length
44 7 / 13.6 m
Beam
24 10 / 7.6 m
Draft
4 5 / 1.4 m
Displacement
24,210 lb / 10,980 kg
Ballast
?

Rig and Sails

Type
Sloop
Reported Sail Area
1,592′² / 147.9 m²
Total Sail Area
?
Mainsail
Sail Area
?
P
?
E
?
Air Draft
70 8 / 21.6 m
Foresail
Sail Area
?
I
?
J
?
Forestay Length
?

Auxilary Power

Make
Volvo
Model
?
HP
55
Fuel Type
Diesel X 2
Fuel Capacity
188 gal / 712 l
Engine Hours
?

Accomodations

Water Capacity
206 gal / 780 l
Holding Tank Capacity
?
Headroom
?
Cabins
?

Calculations

Hull Speed
12.4 kn
Classic: 8.95 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

12.38 knots
Classic formula: 8.95 knots
Sail Area/Displacement
30.4
>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.
30.44
<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
121.9
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
121.92
<100: ultralight
100-200: light
200-300: moderate
300-400: heavy
>400: very heavy
Comfort Ratio
11.4
<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
11.41
<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

MOORINGS 4600 (charter) / LEOPARD 46 (private ownership).

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

View on MultihullCompany.com

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