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Sail-World.com : Electric Outboards - They just get better
Electric Outboards - They just get better
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German outboard manufacturer Torqeedo has just introduced a new electric outboard suitable for sailing boats and catamarans, which they claim is more efficient than any previous.
The new Cruise 4.0 R was introduced at this year’s METS in Amsterdam, Netherlands, and is available from a distributor in Queensland (see end of story). With an overall efficiency of more than 50%, the manufacturers claim that the Cruise 4.0 R converts supplied battery power better into propulsion than any other outboard. This means that users get more power and range from the same battery supply.
The new, powerful Cruise model runs on 48 V. Offering 97 kg of thrust, the Cruise 4.0 R has the thrust equivalent to a 9.9 hp internal combustion outboard. More importantly, the propulsive power, measured as speed times thrust after all losses including propeller losses, compares to an 8 hp gas outboard in displacement mode.
'When talking about electric propulsion for boats, battery power is always the limiting factor. Therefore it's paramount to use the limited battery power as efficiently as possible,' said Torqeedo managing partner Christoph Ballin.
'For electric outboards, overall efficiencies range between 20% for trolling motors and up to 35% for stronger electric propulsion motors. The overall efficiencies for internal combustion outboards are significantly lower than that,' said Ballin. 'We don't know of any other outboard that even gets close to the efficiency levels we offer.'
Designed specifically for remote steering and throttle, the new, lightweight Cruise 4.0 R offers further unique advantages for boaters. An integrated board computer combines information from the motor, the batteries and a built-in GPS. The board computer lets boaters have their battery charge, speed and remaining range at current speed always under control.
The new Cruise 4.0 R is a good choice for boats on green lakes, pontoon boats, dinghies, sailboats and catamarans. It operates on a 48 V lead-gel or AGM battery bank or two high-performance lithium-manganese batteries available from Torqeedo's Power series.
Each electric outboard comes standard with a cable set, fuse, main-switch, remote throttle control with integrated board computer and magnetic on/off switch as well as a link-arm to connect to standard steering systems.
Australian Stockist for the product is:
Claude Desjardins
264 Duke Rd
Doonan, Queensland,
AUS-4562
Australia
Ph: + 61 410 538 334
claude@desjardins.com.au
To contact Torqeedo GmbH, click HERE .
Click HERE for a list of local stockists round the world.
by Martin Flory
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http://www.sail-world.com/index.cfm?nid=51170
12:21 AM Tue 25 Nov 2008 GMT
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