November 2010 Blog Posts (3)

S/V Intrepid Voyage Log: Okinawa, Japan

Sailing an electric powered boat around the world

shisa By Greg Martin The voyage of Project Intrepid Seas begins on the beautiful subtropical Pacific island of Okinawa. Situated at 26 deg. 3o' N, 127 deg. 45' E, Okinawa is the southern-most prefecture of Japan. Okinawa, the main island in the Ryukyu Archipelago…

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Added by Greg Martin on November 20, 2010 at 6:00pm — No Comments

The Conversion of NB Worcester to Electric Drive

Worcester NB Blog Edwin Osborn has an interesting blog about his experiences converting his Colecraft 38' ex-hire boat to run on electric. An interesting experience with lots of technical details- check it out…

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Added by David Jones on November 4, 2010 at 5:30pm — 1 Comment

Day 30: Planet Solar Continues Round the Globe Challenge | Electric Seas

planetsolar_departs_monaco By Greg Martin On September 27, 2010, Turanor Planet Solar, a solar powered catamaran built in Germany, set off from Monaco on a planned 160 day voyage around the world. The vessel, 31 meters in length and covered with 537 square meters of solar panels is powered entirely by photovoltaic energy. The vessel's solar panels can create…

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Added by Greg Martin on November 1, 2010 at 7:30pm — No Comments

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Profile IconChris Munson and Ernest Galvan joined Electric Seas
yesterday
Ernest Galvan posted a discussion

ASMO Controller--Data Logging?

I have an ASMO Thoosa 9000 system in my Ericson 30+  Does someone have a guide to pulling data out of the system?  I have heard that the controller keeps some event data.  I notice when I open the controller black box, that the big green brick inside has an RS 232 port. Is that just for programming, or can one also pull data out of it?  I've like to be able to keep a log of what's happening with the motor and battery system.  Thanks. --Ernie GalvanZenergy, Ericson 30+See More
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Jeff Nicholas posted a discussion

question on changing belts

How difficult is it to change the belts on a The QuietTorque™ 20.0 from Electric Yacht?  any videos available?jeffSee More
May 20
Jeff Nicholas posted a discussion

AC or DC motors which is most efficent

I'm building a Kahuna Nui pilothouse cutter and want to install electric rather than a diesel engine. The plans call for a 38 hp beta marine. So I'm researching options.question:1. AC or DC motors which is most efficient?2.Belt drive or direct gear driven?3. AC or DC motors which has better re-generation?JeffSee More
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Gregory Cantwell posted a discussion

From The Beginning

Hi, I am a new member.  I sail a 1980 Ericson 25+.  LOA 25.5; displacement 5000 lb., fractional rig, sloop.  Until a couple of years ago, my aux. power was small, stock Volvo/Penta, with a saildrive.  When my motor seized, I got an outboard 9.9 and hung it off the back, which is not pretty, and interferes with swim ladder; must be removed when on mooring for a variety of reasons; and prop exposed in Buzzards Bay seas sometimes.  I sail out of New Bedford.  I am planning on taking the…See More
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Profile IconGregory Cantwell and Daniel cutter joined Electric Seas
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Bob Jennings posted a discussion

Why 48 volt motors?

I've noticed the majority of vendors base their EP motors on 48 volts, how come?I saw a Greenstar Marine product at the Portland boat show & the size 10 motor was 24 volts, their larger motor was 48. I think Mastervolt also has a 24 v motor in the smaller size also.That got me to thinking why 48 volts? Is it because golf cart motors are 48 & that became the starting point for recreational EP?  If you could find/get a motor that ran on 24 volts, it would be far easier to have a larger…See More
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Dennis Gibbons posted a discussion

Tesla Battery

Tesla has announced a 7kw battery system for home use.  Could this not be a game changer for electric boating in general.   See More
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Skip Laird is now a member of Electric Seas
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Pep posted a discussion

New to electric seas and electric boating

Hi group,This is our first post, so a brief introduction:We just bought a 43 foot catamaran with twin solomon drives. 5kw each.We are used to old honest yanmar diesels, so this electric propulsion is quite new for us.Also we have not a fully understanding of the system so we will run into technical questions.Hopefully this group can help us out a little. We will share of course on how we fare with this new direction.cheers, PepSee More
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