The CNB 77’ has been designed by Philippe Briand, in conjunction with the Design Office of CNB (Construction Navale Bordeaux).
Hull / Deck /KEEL construction
Hull and deck construction drawings examined by the BUREAU VERITAS.
The vessel is CE certified, “A” category
Hull, structure and Deck
The aluminum hull is welded to the inner frame following M.I.G. or T.I.G. protocols as indicated by the construction drawings. The aluminum hull plating is in 5086 H 111. The 6060 T5 grade of aluminum is used for extruded profiles.
The engine room bulkheads, the collision bulkhead as well as the bulkhead between aft cabin and aft lazarette are watertight. A removable work bench is installed in engine room. With the exception of the watertight bulkheads, limber holes of adequate dimension are cut in all locations where water could be retained.
The entire superstructure of coach roof and cockpit is made in one piece composite glass – vinylester – balsa core that is glued and bolted to the deck.
The 14,200 kg cast lead keel is bolted to the hull.
Through deck fittings are marked WATER or FUEL
Total water capacity: 2 x 835 liters (220 gal)
Total fuel capacity: 2 x 1380 liters (338 gal)
Total gray water capacity: 300 liters + 40 liters (80 + 10 gal)
Total black water capacity: 300 liters (80 gal)
The steering system is with chain and cables. The minimum rudder angle 35° each side.
Rudder blade and rudder shaft
The rudder and the rudder shaft are built of aluminum.
The rudder blade is suspended. JP3 type bearings are installed.
A welded aluminum quadrant is to the architect's plans. PAULSTRA ref. 512 951 rubber stops are installed on each.
Two carbon/wood steering wheels, diameter 1200 mm in cockpit.
Emergency steering system
An aluminum tiller is included.
CUMMINS 180 hp with approximately 4170 hrs. (10/2013)
Borg-Warner gear box ratio 2,9/1
Cruising Speed app. 8kn, max Speed app. 10kn
Bow thruster of 16hp
The engine control panel is located in aft cockpit. Sensors are ground insulated
Control panel installed in the steering cockpit.
The panel contains:
- A MORSE or similar, single lever main engine control
- An engine on/off switch
- A starting push button
- Rev counter
- oil pressure dial
- water temperature dial
- warning light and an emergency bell for the following:
- Oil pressure
- Water temperature
- Battery charge failure
- Bilge pump
The exhaust is wet type.
A siphon breaker mounted before the through hull fittings.
Propeller shaft and propeller
A three blade propeller is installed. The propeller shaft is stainless steel, 60 mm diameter.
A non-metal Hydrolube type ring is installed on the prop shaft bracket.
A CNB hydraulic shaft brake is installed on the gear box.
The "I" type cast stainless steel propeller shaft bracket is made according to the architect's plans.
ONAN 17,5 kW 50 Hz, 220 volts single phase 50Hz with sound shield. Serviced 2012/13
Approximately 6.076 hrs. (09/13)
Electric sensors and the starter are ground insulated.
The exhaust is wet type with water separator after the water-lock tank
A generator control panel is integrated in the main switchboard.
A 100 liters water heater is installed. The electric power 2200 watts. Heat exchanger is connected to the generator cooling circuit.
A GR 24 volts pump or similar with SST expansion tank is installed.
Hot and cold water are distributed to all bathrooms, to the galley and to the deck shower.
A SEA RECOVERY RC 1200 (190 l/h, 90 gal/h) water maker is installed in the engine room - with approximately 1.700 hrs. (02/2012)
Sea water circuit
Three SST sea water filters are installed in the engine room.
Sea cocks and Piping will be SST.
Zinc anodes are fitted in the circuit.
All piping, is rigid brass curved and welded piping except connections on engine and generator.
A double water separator filter type RACOR with alarm and paper filter cartridge is installed on the fuel main suction line.
Valves are installed so as to allow the separate use of the tanks.
The suction pipes are with stum boxes and non-return valves.
Two manual diaphragm pumps, HENDERSON MK V, are installed as follows:
- One in the interior, near to the engine room
- One in the cockpit
A high power emergency pump is main engine driven via an electromagnetic clutch.
A system of valves allows to pump either bilge.
Three electric bilge pumps with automatic level switch.
An electric pump is installed in the aft locker.
Grey water circuit
Discharge pump FEIT-AMFA 24V with automatic level switcher.
Engine room firefighting
An inert gas system is installed in the engine room. A manual remote control is installed in the saloon.
The refrigerator and freezer compartments are equipped with eutectic plates.
An external digital thermometer are installed for the refrigerator and the freezer.
A 2/3 HP compressor, 220V 50/60 HZ is installed in the engine room.
An 80 liters refrigerator will be installed in the saloon.
A reverse cycle 48.000 BTU, 220 V 50/60 Hz air conditioning system is installed in the engine room.
A thermostat is installed in each air conditioned compartment.
A 220 volts 50 Hz 3 wire circuit, via a ground isolation transformer is installed.
Shore power is provided aft and forward with extension cable.
This circuit is shore, generator or inverter powered.
A 24 volts "service" circuit , two wires, negative insulated is installed.
24 V DC circuit isolation is controlled by means of an indicator at the main switchboard.
Battery charger / Inverter / Batteries / Alternator
2x A 100 amps/hour MASTERVOLT 24 volts automatic battery chargers, 220 volts powered are installed in the engine room for charging service batteries.
One inverter 24/220 volts 5.000 watts sinus waves, is installed.
- 1 service battery 24V/1.000 Ah
- 1 main engine and generator starting battery 24V/115 Ah
- 1 radio emergency battery 24V/115 Ah
- 1 electronics buffer battery 24V/115 Ah
A 175 A/h main engine driven alternator charges the service batteries.
A switch allows battery service to be used for starting the main engine and the generator.
Six zinc anodes, ø 150mm, are mounted flush on the hull.
Azinc anode mounted on the propeller shaft.
NAVIGATION EQUIPMENT AND ELECTRONICS
The following equipment is installed :
B&G HYDRA PACK including :
- Speedometer, depth sounder, wind vane and wind speed sensors
- 3 analog repeaters
- 1 MFD NMEA repeater
- 1 flux gate HALCYON 2000 compass
- 1 Furuno GPS GP32 WAAS
- 1 Furuno radar M0833 C, 10,4 “ screen
- 1 Shipmate VHF RS 8400 Digital Selective Calling, with cockpit speaker
- 1x Multifunction B&G repeater installed in aft cockpit, 1x in center cockpit and 1x in owner´s cabin
- 1 B&G type II auto pilot
- IRIDIUM Satellite phone
- Mobile Satellite telephone
- Radar repeater in skipper
- INMARSAT Standard C telephone
- MAXSEA chart set with additional license for owner´s PC
- C-MAP Chart set
- TV Antenna
“panic button” in aft cockpit
2 Suunto magnetic compass
1 electronic barometer
Radar and antenna mast on the transom
Interior furniture’s wood is made in limed teak.
Floors in teak and wenge, satin finish
Deck hatches have blinds and mosquito screen.
Portholes have blinds.
Main companionway curved steps with stainless steel hand rails
MP3 wall plugs in each cabin
1x 32” LCD screen in salon
CD / DVD / MP3 player in 4 cabins
KEF Soundlight sound system in 4 cabins and salon
1 x 23” flat screen with hp in owner´s cabin
2 water proof speakers in the cockpit with fader
Locker for charts
The following equipment is installed in the galley:
- 1 micro wave oven
- 1 COMENDA professional Dish washer (3 minutes per cycle)
- 1 washing machine 3kg
- 1 gas stove
- 1 electric oven
- 1 31,000 cu ft / h range hood
- 1 fridge 10 cu ft
- 1 deep freeze 8 cu ft
- 1 cushion set for the central cockpit
- 1 cushion set for the aft cockpit
- 1 cushion set for the sunbath area
All cushions with close cells foam
The cambered deck and the cockpit are laid with 12mm teak, glued, with lines following the sheer line and notched king plank. Apparent width of planking 42mm.
All horizontal surfaces angled to provide proper drainage.
Crane for outboard engine
All fittings and hardware is polished 316L stainless steel.
Anodized chain plates with SST bushing
Bolted hatch for engine room access
Reinforcement for tracks, cleats, fairleads and winches
Cradle for life raft
1 halyard bracket
Deck shower near aft plate form
Radar and antenna mast
SST compass protection
Manual platform with teak grating
Swimming ladder built-in the platform
Hydraulic aft swimming platform
2 outboard chairs in teak
Carbon fibre folding gangway 3,2m
Rondal flush hatches on roof
HARKEN anodized aluminum winches
- 2 electric 2 speed self-tailing primary winches
- 1 electric 2 speed self-tailing main sail sheet winch
- 2 manual 2 speed self-tailing staysail and runners winches
- 1 electric 2 speed self-tailing multi-purpose winch at mast step
- 1 electric 2 speed self-tailing main sail halyard winch at mast step
- 2 manual 2 speed self-tailing multi-purpose winch at mast step
- 2 double winch handles
- 2 single winch handles
- 2 winch handle holders in the aft cockpit
- 2 winch handle holders at the mast step
2 Genoa tracks with traveler and stop
2 staysail track with traveler and stop
2 turning blocks
The upper life line is 74 cm high
SST stanchions, pulpit and push pit.
Anchor and mooring
A deck wash is installed in the anchor locker
An electric windlass LOFRAN TITAN A, 2000 watts, 24 V, is installed in the windlass locker.
120m of 14mm galvanized anchor chain, new 2011
1 x 75 lbs CQR anchor + 1 x 55 lbs FOB anchor
2 CNB custom fairleads forward
2 CNB custom fairleads middle
2 CNB custom fairleads aft
4 SST 15“ cleats
4 SST 12“ cleats
SPARS AND RIGGING
Hull Spars 3 spreader carbon fiber mast, 0,5m longer than standard Specification
PETITJEAN “park avenue” carbon boom with increased length for larger main sail surface
Automatic reefing system
Carbon fiber spinnaker pole fitted on mast
RECKMANN hydraulic Genoa furler
BAMAR electric staysail furler
Hydraulic outhaul for main sail
Forward deck light
Adjustable mast step
Park Avenue boom with lazy bag to receive the main sail
Bolted goose neck
Hydraulic boom-vang bolted fitting
Standing ROD rigging
1 Navtec hydraulic backstay ram with safety locks
- 1 mainsail halyard ø 12
- 1 mainsail topping lift ø 14
- 2 Genoa halyards ø 14
- 1 spinnaker halyard ø 14 SPECTRA
- 1 staysail halyards ø 12
- 1 mainsail sheet ø 14
- 2 Genoa sheets ø 16
- 2 runners ø 14 et ø 10
- 1 spinnaker sheet ø 16
- 1 staysail sheets ø 16
- 1 mainsail foot adjuster ø 14
- 1 boom preventer ø 14
- 2 flag halyards 30m ø 6
- 1 boom vang
- 1 backstay cylinder
- 2 turnbuckles
- 1 pump handle case
- 1 pump handle
- 1 Genoa halyard ram
- 1 boom vang
- 1 backstay cylinder
- 2 turnbuckles
- 1 pump handle case
- 1 pump handle
- 1 Genoa halyard ram
SAILS - SPRAY HOOD – CANVAS
Mainsail: INCIDENCE CUBEN FIBER
Full batten, 130 m2 6 battens, 3 reef
Reef lines led through flat blocks
Genoa: INCIDENCE CUBEN FIBER
Furler (24v) 120 m2 100%
Leech line control from clew
Staysail: INCIDENCE CUBEN FIBER
CODE 5 (290m²) with manual furler
ATN spinnaker sock
Awning and dodgers
Foldable dodger for the main companionway
Foldable dodger for the aft cabin deck hatch
ZODIAC 2 x 6 person life rafts
10 Live jackets
TENDER & LEISURE EQUIPMENT
1 ZODIAC MKIIC Futura
25hp YAMAHA outboard engine
4hp YAMAHA outboard engine