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Seagoing Systems Brochure: Yanmar Marine Engines

Seagoing Systems Brochure: Yanmar Marine Engines

Seagoing Systems Brochure: Yanmar Marine Engines

Product catalog summary
Technical Specifications:
The document outlines the specifications of a Yanmar base engine, which is a 4-stroke, vertical, water-cooled diesel engine with a maximum output of 39.6 kW (53.1 hp) at 3000 rpm. It has a displacement of 2.19 liters, a bore x stroke of 88 x 90 mm, and consists of 4 in-line cylinders with a direct injection combustion system. The dry weight without gear is 201 kg (443 lbs).
Hybrid Propulsion System:
Hybrid Marine Ltd. offers integrated hybrid systems for small craft, which can be installed during initial construction or retrofitted. The parallel hybrid system connects to the shaft in parallel with the diesel engine, enhancing efficiency during low to mid-power cruising. The electric drive is designed to meet mid-range power needs, allowing for smaller components and cost-effectiveness.
System Functions and Features:
The system allows for quiet electric operation while maintaining the diesel engine for high power needs. It regenerates electrical energy from the propeller while sailing and can operate as a standalone diesel generator. Features include improved fuel consumption, extended cruising range, built-in redundancy, user-friendly controls, and compatibility with renewable energy sources.
Operational Insights:
The hybrid system simplifies installation compared to standalone diesel generators and offers cost-effective solutions. During low to mid-power cruising, the electric motor uses battery-stored energy, and when depleted, the main engine recharges the batteries. The system can regenerate electricity while sailing, although this adds drag. In heavy seas, the generator backs off to allow full diesel power.
Generator and Motor Capabilities:
The system offers generator options of 5kW, 9kW, and 13kW. The standard system uses a 10kW motor, with a 20kW motor as an option. For example, a Malo 46’ yacht can achieve over 2/3 of its hull speed using the electric drive in calm conditions.
Battery Range:
The range depends on the boat size, battery bank size, and desired speed. A 40’ auxiliary vessel with four 200Ah batteries can travel for around 2 hours at 5-6 knots.
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Catalog excerpts

Seagoing Systems Brochure: Yanmar Marine Engines-1

Technical Drawing YANMAR HYBRID PROPULSION Yanmar Base Engine Specification Configuration 4-stroke, vertical, water-cooled diesel Combustion system Direct injection Dry weight without gear DEALER STAMP Hybrid Marine Ltd., 11 Melville St, Sandown, Isle Of Wight, P036 8LF Tel: 01983 403236 Email: [email protected] www.hybridmarine.co.uk E. P. Barrus Ltd., Glen Way, Launton Road, Bicester, Oxfordshire, OX26 4UR Tel: 01869 363636 Fax: 01869 363673 Email: [email protected] www.barrus.co.uk

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Seagoing Systems Brochure: Yanmar Marine Engines-2

Hybrid Electric Power & Propulsion Systems System Functions l Whisper quiet electric operation yet the vessels standard diesel engine remains available to meet high end power requirements Whilst sailing the system regenerates a useful amount of electrical energy from the rotating propeller Since no plumbing or external water cooling is required for the hybrid motor/generator then fitting the system is much simpler than installing a separate diesel generator. Purchase, installation and servicing costs are lower than those of a standalone diesel generator plus in addition you get all the extra...

 Open the catalog to page 2

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