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  1. Seaboats Main
  2. Recent Sales

SOLD - NEW BUILD - Mumby 48 Performance Alloy Sailing Catamaran


Listing ID - 4761-1


DescriptionMumby 48 Performance Alloy Sailing Catamaran
Date Launched
Built to Order
Length14.63m (48ft)
Beam7.5m (24ft 7in)
Draft0.9m (2ft 11in)
LocationCambodia
Price NotesBuild Time 14 months from date of contract signing.
View As PDF 

LOA: 14.6m/48ft
LWL: 14.4m/47ft
Beam: 7.4m/ 24.3ft
BWL: 1.176m/3.85ft - hull waterline beam
Hull Draught: 0.55m/1.8ft
Kick up rudders down: 0.720m/2.4ft
Draught with dagger board dow:n 1.8m/5.9ft
 
Light displacement: 6.100kg
Designed cruising displacement: 7.400kg 
Max displacement for performance: 8.700kg
 
Bridge deck clearance at: 7.4 tons 0.89m/2.92ft
MCT 180 kg per cm. Moment to trim.
Hull Wetted surface area including rudders 38.4 sq metre.
LCB 7.732meters aft from waterline.
Total drag at 9kts 278kg
Effective power required 29 hp
Engines 2 x 30hp shaft drive with folding propellers
 
Water tanks: 2x at 250L- 400L customizable
Fuel tanks: 2x at 185L and 470L. A total range of 1960*nm at 6kt one eng or 1000* at 8kts 2 eng 
 
Mast: 18.5m/61ft.. Air draught 21m/69ft
Boom: 6.2m/20.4ft
Sail area main 76sqm; Genoa 48sqm; Spinnaker 145sqm; staysail/storm 10 / 6 sqm; Screecher 90sqm
 
Winches. Primary 2pc x 52 st2sp. [Trims 62st2sp] main sheet, furling line 2pc x.52st2sp. on mast halyards reefing lines 3pc x 42 2sp.
 
Hulls are 4mm 5083 aluminium. cabin top, decks are 3mm 5083 aluminium.
 
*Our average day run on "Trim" after the last 32000 n miles {circumnavigation via south Africa} was 238 miles / 24 hours. top speed reached a few times was 22kts.
 
Structural
Hull, Bulkheads, Main Deck, Superstructure constructed using certified (DNV or similar class) marine grade 5083 aluminum.
Designed by Tim Mumby.
 
Propeller Shaft Stern Tube
Rudder Shaft Tube
Fully welded Thru hulls for S/W cooling and ancillary supply
Overboard discharges integral, welded
Davit to launch and retrieve tender
 
Mast and rig
AllYacht Spars mast, boom, rigging, running rigging and halyards.
AllYacht Spars Headsail foils package.
Mainsail traveller system Deck Layout and Gear: 3 m radial track
behind cockpit with Lewmar or similar mainsheet traveller and 2 x
40ST self-tailing winches.
Primary winches 2 x 46ST. Mast winches 2 x 40ST. Halyards, outhaul
etc are also handled at the base of the mast. Roller furling on jib.
Standard Lewmar or similar deck equipment fitted for jib and screecher
furling.
Aluminum forward beam.
Aluminum pulpit and pushpit rails
Heavy Duty PVC Mesh (10mm sqaures)Trampoline
 
Sails
Mainsail Offshore Fully Batten
Measurements TBA : Area 79 m2
10 oz US Dacron Crosscut with Twin Ply Leech
Webbing on batten pockets both sides
3 reefs, flying foot, Overhead Leechline
PNP Batten Receptacles included
Battens and Battcars included
 
Furling Headsail Offshore
Measurements TBA : Area 48 m2
10 oz US Dacron Crosscut
UV Cover Sunbrella
Luff Foam
 
Asymmetric Spinnaker Offshore
Measurements TBA : Area 145 m2
1.5 oz Nylon FullRadial Cut
Spinnaker Sock included
3 Colours included
Stand Sailbag
 
Staysail Offshore 10 m2 / 6 m2 with hanks on
10 oz Dacron Storm Orange Crosscut
 
Hull Finishing
Primer- Epoxy- Maestria, 2 coats interior & exterior
Fairing Compound
Paint- Enamel, Maestria, 2 coats, yacht finish
Antifouling paint Jotun 2 coats
Zincs- Bolt on Type- 4 Minimum
Saloon Door to Cockpit- Weatherproof hinged aluminum commercial door with Window - Seamac
Windshields- 10 mm clear safety glass
Windows- tempered 6mm glass tinted 4 opening in Salon, storm covers
Window Screens on all opening windows in salon
Deck hatches built per plans or Lewmar or similar manufacture
 
Tanks, Piping & Pumps
Calorifier- immersion heater?
Grey water Tank - 200 Gal Fiberglass
Sewage Tank - 60L aluminum
Fresh Water Tanks 2 - aluminum 500L Total
Diesel Fuel Tanks - 2 at 185L and 470L
Diesel Fuel Piping
Fresh water piping and fittings
Shore Water Supply Fitting
Accumulator Pressure Tank
Salt Water piping PVC/drains
Through hull fittings – welded aluminum
Seacock Valves – Marelon
Sea Strainers
Check Valves
Tank Vents
Tank Fill Plate s/piping
Tank monitoring system BEP Marine
Hydraulic Steering Lines/helm pump, Seafirst
Bilge Pumping- Manual Amazon
Bilge pumps-electric with float switches and control panel, Jabsco
Salt Water washdown Pump, Jabsco
Shower Drain Pump with Float Switch, Rule
Fresh water Pressure Pump, Jabsco 38LPM, accumulator tank
Grey Water Discharge Pump with Y-Valve
Waste Macerator/Discharge Pump with Y-Valve
Waste Piping, low odor
Waste pump-out fitting
 
Mechanical
Propeller- 2 or 3 blade – Gori or similar folding x 2
Propeller Shaft Coupling x 2
Propeller Shaft- 38mm minimum 316 L standard SAE Taper x 2
Cutlass Bearings, Johnson x 2 sets
Dripless Shaft Seal, Duramax or Deep Sea x 2
Spur Line Cutter on Propeller Shafts
Main Diesel Propulsion 2 x FNM 13HPE 40HP@4,000rpm
Marine gear 2 x Hurth ZF or Technomarine
Main Engine Exhaust Pipes
Engine Space Ventilation Blowers - 1 inlet, 1 exhaust
Main Engine Mufflers - Halyard or similar
Parts Locker
Rudders - per plan
Rudder Stock- S/S 316L
Rudder Stock Packing Box
Rudder Bearing/Upper
Rudder Bearing/Lower
Steering per plan
Battery Ventilation System
Engine Room Ventilation Ducts
Engine Room Soundproofing
 
Electrical
DC-AC Inverter/Charger-Victron 3000W
SOLAR PANELS - 8 Panels at 365W each. 2880 watts
Mechanical Engine Starting Battery- 2 x 8D Lifeline
House Batteries- 6 x 8D Lifeline
Battery Boxes with Covers for all battery sets
Battery Switches
Power management system and battery monitoring, Victron
50 Amp Shore Power Cord Reel,
Electrical Wiring- Tinned Copper- Marine
Grade- Ancor- color coded per ABYC
Electrical Panel 230/120 VAC / 24VDC with Ammeters & Voltmeters
Lighting System Wiring 12 VDC
Light Fixtures- Quartz Ceiling/LED
Light Fixtures- Fluorescent LED
Light Fixtures- Weatherproof LED
Light Fixtures- Courtesy LED
Light Fixtures- Reading Lights LED
Sockets 230/120 VAC in each cabin & Passageway
Sockets 12 VDC- Cockpit and Saloon
Light Switches- Wall type for cabin & exterior lighting
PVC Conduit for all power wiring
Radio/TV Wiring
Engine Alarm System
 
Electronics
Client Supply
 
Main Deck Equipment
12VDC Windlass/Capstan with local control at Bow
Waterproof hatch for Dual Chain Locker
Bow Roller, Anchor 60lb CQR, chain 3/8” High Test, rope 3⁄4” Hawse Plates
Stainless Steel Bollard
Mooring cleats welded on aluminum
Vents
Escape/Ventilation Hatch- Lewmar or similar
Handrails- Welded 32mm aluminum with 38mm Stanchions H/C Fresh Water Cockpit Shower
Salt/Fresh Water Washdown Taps- Bow & Stern
Deck Filler Fresh Water- Port & Starboard
Deck Filler Diesel Fuel- Port & Starboard
 
Cockpit Equipment
Navigation Anchor Lights
Red/Green Side lights
Mast head light
Flood lighting on mast
Engine Instrument Panel
Stainless Steel Destroyer type steering wheel
Engine Throttle/Transmission Controls- Cable, Morse, twin engine
Engine Tachometer – Digital / Analogue
Engine Water Temperature
Engine Oil Pressure
Engine Oil Temperature
Engine Ammeter
Engine Hour Meter
Compass- Binnacle Mount
Rudder Angle Indicator
Pilot’s Seat
Passenger Seat
Dinette Seating /Storage
Pedestal Table
Gear Lockers
Access Ladder- Stainless & Teak
Air Horn with compressor
Rigging for Flags
Welded aluminum Railings
 
Interior Finish
Marine plywood or Nidacore subfloor- painted
Composite panel for walls and ceilings
Solid timber – Trim
Floor coverings
Cork Flooring – Galley
GRP moldings for heads/bathroom
Interior Doors & quality hardware
Upholstery/Cushions
 
Galley
Refrigerator/freezer standalone 10 cu ft
Chest freezer
3-Burner ceramic cook top electric/gas
230/120 VAC Outlet, 4 gang
Convection/Microwave oven
Corian or other Galley Counter
Base Cabinets
Galley Overhead Cupboards
Stainless Steel Double Sink
Faucet with pull-out sprayer
Cutting Board
 
Saloon/Lounge
L-Shaped Dinette Table- Converts to Bed
Seating as per plan
Safety grab bars, fiddles placed at practical places
Radio/TV Outlet
230/120 VAC Outlet, 2 gang
 
Master Stateroom
Bed Frame- Queen size
Hanging lockers lined, with shelf & light
Bedside Table
Chest of drawers
230/120 VAC Outlet
Reading lights
Recessed Overhead LED lights with wall switch
Radio/TV Outlet
 
Forward Cabin [port and starboard]
Double bed
Hanging lockers- lined with shelf & light
Desk/drawer unit
230/120 VAC Outlet
Reading light
Recessed Overhead LED lights with wall switch
Radio/TV Outlet
 
Heads
Porcelain Electric head, Tecma [household size]
Shower
GRP Vanity with Corian or other countertop & S/S sink
Medicine Cabinet with Mirror & Storage
Ventilation Blower
Shower Faucet
Shower Head
Shower Curtain
Soap Dish / Toothbrush Holder
Towel Rod to Handrail Strength
 
Engine Room
Soundproofing
Perforated Stainless or Aluminum wall sheathing
Aluminum Checker plate Flooring
Fluorescent lights with wall switch
230/120 VAC Outlet, 2 gang
 
Safety Equipment
Fire Extinguishers
 
Additional
Electrical and mechanical drawings plus vessel manual


The details of all vessels are offered in good faith but we cannot guarantee or warrant the accuracy of this information nor warrant the condition of the vessel. Any buyer should instruct their agents, or their surveyors, to investigate such details as the buyer desires validated. This vessel is offered subject to sale, price change, location or withdrawal without notice.

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