Sailing Yacht SEA BUNNY

Mechanical and Electrical

Sea Bunny's systems

Sea Bunny has a Volvo Penta main engine, generator, inverter, watermaker supporting us


Engine

VOLVO PENTA MD22P 57hp (2001), MS25-A reduction gearbox with 8 degree down-angle (2006), shaft drive replaced with a similar ZF-Hurth ZF25MA in November 2008.

Propeller

Brunton Autoprop H6 self pitching rebladed 2006 on fitting the new gearbox.


Fixed blade propeller carried as spare

Batteries

Three independent 12v battery banks. One battery of 90 A-Hrs (2004) dedicated to engine start and charged by an engine driven 60 A alternator. One bank of 570 A-Hrs (2010) dedicated to domestic services charged by a Balmar 160A engine driven alternator (2010) through Balmar intelligent regulator. Third battery (2009) for generator starting, charged by auxiliary circuit on generator.

Domestic battery charging

Two battery chargers 50amp each (2003) powered by shore power or generator. Linklite battery monitor. Air-X (2004) and Air Breeze (2009) wind generators. 2 x 135W Kyocera solar panels (2009). Additional 40 W solar panel (2001).  Aquair 100 towed generator used on long passages.

Shore power

220/240 V shore power circuit with galvanic isolation, earth leakage and overload protection.

Water heating

Engine calorifier and 220v immersion heater replaced 2009

Cabin heating/cooling

Mikunu warm air system ducted to cabins and heads.


8000BTU/hr built-in air conditioner to main cabin (2009)

Generator

Pajuro 4, 4 kVA powered by a Farymann single-cylinder diesel engine(2005). Mounted in a sound-reducing enclosure in the engine compartment.

Inverter

2000VA Prowatt pure sine wave (2010) supplying AC sockets when generator or shorepower are not available.

Water-maker

Spectra DC system 60l/hr (2001).

Fresh water

Hot and cold pressurised water system (pump new 2006) to galley, heads and bathing shower.

Sea water

Pressurised sea water system piped to anchor locker for anchor and deck washdown and to galley.

 

 

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Last Updated from Rebak, Langkawi on 4 November 2011

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