Electric Yacht User Group

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Electric Yacht User Group

User group for Electric Yacht

Website: http://www.electricyacht.com
Members: 33
Latest Activity: Jun 16

Discussion Forum

Wow, AGM 3 Replies

I had one of my 6v 200A, golf cart, Sams batteries go out after a year of being in service (1 month out of warranty of course) so I decided to go the local interstate battery dealer, just out…Continue

Started by gilbert landin. Last reply by gilbert landin Jul 20, 2013.

Electric Yacht System Works Great!!

My Mood 34 is back in the water. The Electric Yacht 260i system works perfectly. Docking and getting to the mooring are so much easier with all of the torque available instantly.Continue

Started by Skip Barbour Jul 9, 2013.

Electric seas conversion

Richard, We are the last sailing lobster boat in the state of Maine but the first to go electric. My son and I found the old Sarah Mead in a barn ready to be burned when we bought her and started the…Continue

Started by Randy Jones Nov 15, 2012.

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Comment by Richard Mair on July 29, 2013 at 11:25pm

When there is enough wind to sail there is always power. One trip we motored for 3 hours then the wind came up. We used the regen all night to charge the house battery then shut it off the last 3 hours before we would need to power in to anchor. Batteries were up to 99% when we needed them. Only used 10% when we anchored.

I will post on some of the hard parts when we start going up  the River.

One thing I would like to do. A switch to Lithium Batteries would reduce generator run time after a trip when we need to top up the lead acid.

Richard

Comment by Richard Mair on July 14, 2013 at 8:50am
We are about to start a trip I never thought about when we went electric. I plan to send in comments on stages of the trip as it wont be nonstop. Going up the St Lawrence so there will be motoring imvolved.
Richard IntoThe Blue
Comment by Nate Jones on November 16, 2012 at 8:34pm

Comment by Richard Thomas on November 16, 2012 at 1:48am

Good photos and discussion on your websites, Randy and James.  It is helpful to hear what equipment you used and how you rate it.  I'll look forward to more photos and discussions as you proceed with the installation and testing.  Thanks for sharing.

Comment by James Sizemore on November 15, 2012 at 8:53am
I am most likely still a week away from testing my setup, but I do have lots of pictures http://www.deny.org
Comment by Richard Thomas on November 15, 2012 at 2:01am

Randy, I hope you document and take photos of your install.  In the near future, I will be installing a 360 in the 47' cutter that I am building here in New Mexico, and will need any guidance I can get.  I was interested to read your thoughts about the ABYC standards on electrical systems in boats.  I'm building a boat from scratch and have been building my electrical system as I went along - doing common sense things like using only marine grade wire and connecters and to solder all slices.  Here in New Mexico I doubt there is any marine surveyors I could ask about things.  Is there any guidance on the web that would be useful?

Comment by Randy Jones on November 14, 2012 at 10:59pm

 

As we get ready to install our new Electric Yacht 360 drive system in our 45’ Friendship Sloop, a little American Boat and Yacht Council ( A.B.Y.C.) research needs to be done first. As a boat builder, mechanic and marine surveyor with S.A.M.S. I often survey boats that have been modified or repaired by the owner. The problem starts when the ABYC standards are not followed by the owner. A wire is not just any wire. Its use, load and the environment it will be used in are all factors that must be considered. Wet cell batteries or AGM all need to be installed so that they are safe and perform as needed. ABYC answers all these questions and has the recommendations you need to follow when doing work on your boat so that it is safe and you can get insurance.

 I will admit, the ABYC standard reads like a law book, weighs 50 pounds, and will put you to sleep, but the good news is you don’t have to read it. Most, if not all, marine surveyors love boats and love to show off their knowledge, call one for the answers. I’ll bet you will get the answer you need and help making sure your conversion is safe and ABYC compliant at little or no cost.

 For us we need to bring AC power onto the boat that never had AC power. We need to make sure our AC power inlet and downstream wiring is all ABYC compliant and up to today’s standards. When we are 20 miles off the coast and it picks up to 30+ Knots, I’ll have enough to worry about. Following the ABYC Standards could make all the difference.

Comment by Randy Jones on October 25, 2012 at 9:49pm

 A trick for anyone converting a wooden boat.

  Use Cedarific cat litter to pull oil from the frames and planks. It won't dry out or dissolve the hard seam compound or melt any wooden finish like varnish or paint. 

Fill the bilge let sit for about a week the vacume it out smells great ( just don't let the cat near the boat).  Any left over will float next spring and can go through a bilge pump without binding it up. 

Comment by Randy Jones on October 21, 2012 at 5:56am

In Maine we have a unique program that allows a commercial documented vessel to replace a old "dirty Diesel" with a new clean or Tier II engine. Well we are a commercial documented vessel and we applied and got the matching grant funding to switch out our old engine to a clean electric one. In fact we are the first vessel in Maine to do so. 

The grant stipulates that we drill a hole in the block to prove that the old engine has been removed from service. Well it is near deer season up here so we put  hole in the block Maine style.  We shot it   God love the Federal Government

 And it was Gary's wife's rifle that we used!!!!  

Comment by Skip Barbour on October 13, 2012 at 12:45am

 

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David Brill posted a discussion

First test run

Had the first test run of our 52' ketch under electric power. Although it was only a short run around the marina, all systems performed extremely well. Much more control with lower revs possible. Minimum revs with the old diesel were 210 at the prop which equated to 3 knots. Now I can get the prop down to 50rpm. More control in reverse with the slower prop revs also.Looking forward to installing a generator which will allow us to venture out for a few days and give her a real test run.See More
7 hours ago
Mark Frasca added a discussion to the group SolidNav User Group
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8 flash error code

My 2008 SolidNav Explorer has been cutting back to 1/2 power from time to time, for over a year. If I am gojng anywhere I do not use that much power anyway so the issue has not been a problem but I do want to fix it. Today I checked for an error code and I am getting 8 flashes on my Sevcon MiliPac when it cuts back. The code is an over heat indication and I know it isn't overheating because it can happen seconds after throttling up. Any thoughts out there?thanks, MarkSee More
9 hours ago
Serge Plante is now a member of Electric Seas
Wednesday
D. Carl HArris updated their profile
Aug 26
Brad O'Connell posted a discussion

Significant voltage drop

Hi everyone,I have an electric yacht motor, driven by 8 Trojan T105 batteries, wired in series to produce 48Vdc. I have owned the system and the batteries for  7 years. I have noticed this year that I am getting really significant voltage drops while underway.I can see the motor controller display going from 48 down to 24 Vdc, all within an hour, under what I consider to be normal cruising conditions and amp draw.I guess there may be two problems.1) A resistance problem- maybe thermally induced…See More
Aug 26
D. Carl HArris posted a discussion

Introduction

Hello,I just joined the group and am looking forward to learning about electric conversions.My wife, Myra, and I have sailed for the past 30 years and currently own a Morgan OI 28.  Spirit still has the original Volvo MD-7A, but the next time the engine requires more than oil, diesel or filters, the electric conversion will begin.  For now I will keep quiet and read all the info on the forums. Glad to be here,CarlSee More
Aug 22
D. Carl HArris is now a member of Electric Seas
Aug 22
Capt. Mike posted a discussion

Harbor test 2014

Just posted some data on the annual harbor test I do with my Thoosa 9000 EP system. Including comparison to the 2013 data:http://biankablog.blogspot.com/2014/08/electric-propulsion-harbor-test-2014.htmlCapt. Mikehttp://biankablog.blogspot.comSee More
Aug 18
Doug Greenwald posted a discussion

Introduction

Hello,I'm Doug and I just discovered this forum and its wealth of info. I've been active in the EV car world for 4 years now, and have continually watched the marine industry make its inroads with electric propulsion over the past several years. I think I'm ready to make the commitment to electric for my Nonsuch 30 "Such is Life"  currently moored in Anacortes, Wa... but soon to relocate in Everett Wa.Having her closer to home will allow this type of major retrofit to happen. The goal is to…See More
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