Monday, January 28, 2013

Re: [Electric Boats] New member on the Bay Of Quinte

 

If you come through Montreal, let me know. Would love to check out your boat. I am at the Royal St Lawrence YC in Dorval. I will gladly buy you a beer in exchange for a tour of your boat :-)

/Jason

On Jan 28, 2013, at 10:07, Richard Mair <fullkeel2000@yahoo.ca> wrote:

 

This looks very possible. As an example we are running an electric yacht 100ibl in an Alberg 30. We can run 4 hours at 3.2 knots from a 200 amp agm lifeline pack to 50% discharge. Draw at this speed 20 amps. We had her doing 4.7 once but this is over 100 amps, all on 48 volts.. I would expect you would use a bit more current because of the extra weight. You would probably be better off with a 180ibl or a system around that power rating.
Nice looking boat.
We expect to be on lake Ontario sometime this summer. Plan to blog about out trip up the St.Lawrence and will put a link here. Hope this gives you some idea of what is possible.
Richard


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From: sv_ironmaiden <james.pilchak@gmail.com>;
To: <electricboats@yahoogroups.com>;
Subject: [Electric Boats] New member on the Bay Of Quinte
Sent: Sat, Jan 26, 2013 3:29:13 PM

 

Hello,

I am a new member of this group, thought I'd introduce myself.

I had been interested in electric propulsion for a while before going to the recent boat show in Toronto. After talking to a few diesel companies about replacing the Volvo MD11C in my boat, I became even more interested...

My boat is a 27' Vollenhovense Bol. She is a Dutch, 11,000 lb steel, gaff rigged double-ender with leeboards.


The existing engine works well enough, but I have read enough to know repairs are expensive. If anything other than basic maintenance is required I will repower.

Outside of sailing, quite often the wife and I motor around in the evening (I live wasterfront, and keep the boat on my dock) for an hour or so. Would be amazing to do this without the clatter and stink of a diesel beneath us.

The plan is to install a series hybrid.

I'm thinking:

5 to 10 KW BLDC motor, gear reduction as needed
battery bank 48V? 72V?
dual remote start generators
associated chargers, controllers, etc...

The MD11C with reverse gear is about 500lbs, so this is how much weight I have to replace. The motor resides under the cockpit, totally separate from the cabin. I want to keep all generators, batteries in this area.

My original thinking was to use two Honda eu2000i generators with the parallel kit, but they don't have remote start. I have found similar small inverter generators with remote so I will have to go with those. I had considered using one bigger genny, but like the flexibility and redundancy of two smaller. I will make my own control system to start and stop the generators as needed, probably using an Arduino microprocessor board. This way I can automatically start one, or both depending on load and balance runtime.

I hope to make them as quiet as possible with proper ventilation and soundproofing.

In the end I'd like the capability of 1 to 2 hours at 2 to 3 knots on battery. If possible I'd like unlimited (other than by gas storage capacity) range at 3 to 4 knots using the generators .

I considered diesel generator/generators but they seem to cut into my weight allotment too quickly. I also considered going with water cooled generators, but again, they get heavy, and I'd like to remove through hulls wherever possible. I am converting to a composting head so I can get rid of all through hulls in the cabin.

I haven't figured it all out yet, so if I say anything that is obviously wrong or unrealistic, please let me know.

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[Electric Boats] Re: New member on the Bay Of Quinte

 

what a beautiful boat!
I would love to see some pictures of the inside.
mike

--- In electricboats@yahoogroups.com, "sv_ironmaiden" wrote:
>
> Hello,
> I am a new member of this group, thought I'd introduce myself.
> I had been interested in electric propulsion for a while before going to
> the recent boat show in Toronto. After talking to a few diesel companies
> about replacing the Volvo MD11C in my boat, I became even more
> interested...
> My boat is a 27' Vollenhovense Bol. She is a Dutch, 11,000 lb steel,
> gaff rigged double-ender with leeboards.
> Here she is.
> The existing engine works well enough, but I have read enough to know
> repairs are expensive. If anything other than basic maintenance is
> required I will repower.
> Outside of sailing, quite often the wife and I motor around in the
> evening (I live wasterfront, and keep the boat on my dock) for an hour
> or so. Would be amazing to do this without the clatter and stink of a
> diesel beneath us.
> The plan is to install a series hybrid.
> I'm thinking:
> 5 to 10 KW BLDC motor, gear reduction as neededbattery bank 48V?
> 72V?dual remote start generatorsassociated chargers, controllers, etc...
> The MD11C with reverse gear is about 500lbs, so this is how much weight
> I have to replace. The motor resides under the cockpit, totally separate
> from the cabin. I want to keep all generators, batteries in this area.
> My original thinking was to use two Honda eu2000i generators with the
> parallel kit, but they don't have remote start. I have found similar
> small inverter generators with remote so I will have to go with those. I
> had considered using one bigger genny, but like the flexibility and
> redundancy of two smaller. I will make my own control system to start
> and stop the generators as needed, probably using an Arduino
> microprocessor board. This way I can automatically start one, or both
> depending on load and balance runtime.
> I hope to make them as quiet as possible with proper ventilation and
> soundproofing.
> In the end I'd like the capability of 1 to 2 hours at 2 to 3 knots on
> battery. If possible I'd like unlimited (other than by gas storage
> capacity) range at 3 to 4 knots using the generators .
> I considered diesel generator/generators but they seem to cut into my
> weight allotment too quickly. I also considered going with water cooled
> generators, but again, they get heavy, and I'd like to remove through
> hulls wherever possible. I am converting to a composting head so I can
> get rid of all through hulls in the cabin.
> I haven't figured it all out yet, so if I say anything that is obviously
> wrong or unrealistic, please let me know.
>

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Re: [Electric Boats] New member on the Bay Of Quinte

 

Opps should have been wjen they swotched to brushless.


Sent from Yahoo! Mail on Android


From: Richard Mair <fullkeel2000@yahoo.ca>;
To: electricboats@yahoogroups.com <electricboats@yahoogroups.com>; VE7YID@yahoo.com <VE7YID@yahoo.com>;
Subject: Re: [Electric Boats] New member on the Bay Of Quinte
Sent: Mon, Jan 28, 2013 8:53:26 PM

 

ibl is what electric yacht call the system. They did this when they switched to bridhless.
AGM is abdorbed glass mat. Which is a dry leadacid battery. No acid to spill. They also have lower internal resistance.
Richard


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From: VE7YID@yahoo.com <VE7YID@yahoo.com>;
To: <electricboats@yahoogroups.com>;
Subject: Re: [Electric Boats] New member on the Bay Of Quinte
Sent: Mon, Jan 28, 2013 8:29:01 PM

 


what do ibl  and agm  translated mean? thanks -Eirik
--- On Mon, 1/28/13, Richard Mair <fullkeel2000@yahoo.ca> wrote:

From: Richard Mair <fullkeel2000@yahoo.ca>
Subject: Re: [Electric Boats] New member on the Bay Of Quinte
To: "electricboats@yahoogroups.com" <electricboats@yahoogroups.com>, "james.pilchak@gmail.com" <james.pilchak@gmail.com>
Date: Monday, January 28, 2013, 7:07 AM

 
This looks very possible. As an example we are running an electric yacht 100ibl in an Alberg 30. We can run 4 hours at 3.2 knots from a 200 amp agm lifeline pack to 50% discharge. Draw at this speed 20 amps. We had her doing 4.7 once but this is over 100 amps, all on 48 volts.. I would expect you would use a bit more current because of the extra weight. You would probably be better off with a 180ibl or a system around that power rating.
Nice looking boat.
We expect to be on lake Ontario sometime this summer. Plan to blog about out trip up the St.Lawrence and will put a link here. Hope this gives you some idea of what is possible.
Richard


Sent from Yahoo! Mail on Android

From: sv_ironmaiden <james.pilchak@gmail.com>;
To: <electricboats@yahoogroups.com>;
Subject: [Electric Boats] New member on the Bay Of Quinte
Sent: Sat, Jan 26, 2013 3:29:13 PM

 
Hello,

I am a new member of this group, thought I'd introduce myself.

I had been interested in electric propulsion for a while before going to the recent boat show in Toronto. After talking to a few diesel companies about replacing the Volvo MD11C in my boat, I became even more interested...

My boat is a 27' Vollenhovense Bol. She is a Dutch, 11,000 lb steel, gaff rigged double-ender with leeboards.


The existing engine works well enough, but I have read enough to know repairs are expensive. If anything other than basic maintenance is required I will repower.

Outside of sailing, quite often the wife and I motor around in the evening (I live wasterfront, and keep the boat on my dock) for an hour or so. Would be amazing to do this without the clatter and stink of a diesel beneath us.

The plan is to install a series hybrid.

I'm thinking:

5 to 10 KW BLDC motor, gear reduction as needed
battery bank 48V? 72V?
dual remote start generators
associated chargers, controllers, etc...

The MD11C with reverse gear is about 500lbs, so this is how much weight I have to replace. The motor resides under the cockpit, totally separate from the cabin. I want to keep all generators, batteries in this area.

My original thinking was to use two Honda eu2000i generators with the parallel kit, but they don't have remote start. I have found similar small inverter generators with remote so I will have to go with those. I had considered using one bigger genny, but like the flexibility and redundancy of two smaller. I will make my own control system to start and stop the generators as needed, probably using an Arduino microprocessor board. This way I can automatically start one, or both depending on load and balance runtime.

I hope to make them as quiet as possible with proper ventilation and soundproofing.

In the end I'd like the capability of 1 to 2 hours at 2 to 3 knots on battery. If possible I'd like unlimited (other than by gas storage capacity) range at 3 to 4 knots using the generators .

I considered diesel generator/generators but they seem to cut into my weight allotment too quickly. I also considered going with water cooled generators, but again, they get heavy, and I'd like to remove through hulls wherever possible. I am converting to a composting head so I can get rid of all through hulls in the cabin.

I haven't figured it all out yet, so if I say anything that is obviously wrong or unrealistic, please let me know.

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Re: [Electric Boats] New member on the Bay Of Quinte

 

ibl is what electric yacht call the system. They did this when they switched to bridhless.
AGM is abdorbed glass mat. Which is a dry leadacid battery. No acid to spill. They also have lower internal resistance.
Richard


Sent from Yahoo! Mail on Android


From: VE7YID@yahoo.com <VE7YID@yahoo.com>;
To: <electricboats@yahoogroups.com>;
Subject: Re: [Electric Boats] New member on the Bay Of Quinte
Sent: Mon, Jan 28, 2013 8:29:01 PM

 


what do ibl  and agm  translated mean? thanks -Eirik
--- On Mon, 1/28/13, Richard Mair <fullkeel2000@yahoo.ca> wrote:

From: Richard Mair <fullkeel2000@yahoo.ca>
Subject: Re: [Electric Boats] New member on the Bay Of Quinte
To: "electricboats@yahoogroups.com" <electricboats@yahoogroups.com>, "james.pilchak@gmail.com" <james.pilchak@gmail.com>
Date: Monday, January 28, 2013, 7:07 AM

 
This looks very possible. As an example we are running an electric yacht 100ibl in an Alberg 30. We can run 4 hours at 3.2 knots from a 200 amp agm lifeline pack to 50% discharge. Draw at this speed 20 amps. We had her doing 4.7 once but this is over 100 amps, all on 48 volts.. I would expect you would use a bit more current because of the extra weight. You would probably be better off with a 180ibl or a system around that power rating.
Nice looking boat.
We expect to be on lake Ontario sometime this summer. Plan to blog about out trip up the St.Lawrence and will put a link here. Hope this gives you some idea of what is possible.
Richard


Sent from Yahoo! Mail on Android

From: sv_ironmaiden <james.pilchak@gmail.com>;
To: <electricboats@yahoogroups.com>;
Subject: [Electric Boats] New member on the Bay Of Quinte
Sent: Sat, Jan 26, 2013 3:29:13 PM

 
Hello,

I am a new member of this group, thought I'd introduce myself.

I had been interested in electric propulsion for a while before going to the recent boat show in Toronto. After talking to a few diesel companies about replacing the Volvo MD11C in my boat, I became even more interested...

My boat is a 27' Vollenhovense Bol. She is a Dutch, 11,000 lb steel, gaff rigged double-ender with leeboards.


The existing engine works well enough, but I have read enough to know repairs are expensive. If anything other than basic maintenance is required I will repower.

Outside of sailing, quite often the wife and I motor around in the evening (I live wasterfront, and keep the boat on my dock) for an hour or so. Would be amazing to do this without the clatter and stink of a diesel beneath us.

The plan is to install a series hybrid.

I'm thinking:

5 to 10 KW BLDC motor, gear reduction as needed
battery bank 48V? 72V?
dual remote start generators
associated chargers, controllers, etc...

The MD11C with reverse gear is about 500lbs, so this is how much weight I have to replace. The motor resides under the cockpit, totally separate from the cabin. I want to keep all generators, batteries in this area.

My original thinking was to use two Honda eu2000i generators with the parallel kit, but they don't have remote start. I have found similar small inverter generators with remote so I will have to go with those. I had considered using one bigger genny, but like the flexibility and redundancy of two smaller. I will make my own control system to start and stop the generators as needed, probably using an Arduino microprocessor board. This way I can automatically start one, or both depending on load and balance runtime.

I hope to make them as quiet as possible with proper ventilation and soundproofing.

In the end I'd like the capability of 1 to 2 hours at 2 to 3 knots on battery. If possible I'd like unlimited (other than by gas storage capacity) range at 3 to 4 knots using the generators .

I considered diesel generator/generators but they seem to cut into my weight allotment too quickly. I also considered going with water cooled generators, but again, they get heavy, and I'd like to remove through hulls wherever possible. I am converting to a composting head so I can get rid of all through hulls in the cabin.

I haven't figured it all out yet, so if I say anything that is obviously wrong or unrealistic, please let me know.

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Re: [Electric Boats] New member on the Bay Of Quinte

 


what do ibl  and agm  translated mean? thanks -Eirik
--- On Mon, 1/28/13, Richard Mair <fullkeel2000@yahoo.ca> wrote:

From: Richard Mair <fullkeel2000@yahoo.ca>
Subject: Re: [Electric Boats] New member on the Bay Of Quinte
To: "electricboats@yahoogroups.com" <electricboats@yahoogroups.com>, "james.pilchak@gmail.com" <james.pilchak@gmail.com>
Date: Monday, January 28, 2013, 7:07 AM

 
This looks very possible. As an example we are running an electric yacht 100ibl in an Alberg 30. We can run 4 hours at 3.2 knots from a 200 amp agm lifeline pack to 50% discharge. Draw at this speed 20 amps. We had her doing 4.7 once but this is over 100 amps, all on 48 volts.. I would expect you would use a bit more current because of the extra weight. You would probably be better off with a 180ibl or a system around that power rating.
Nice looking boat.
We expect to be on lake Ontario sometime this summer. Plan to blog about out trip up the St.Lawrence and will put a link here. Hope this gives you some idea of what is possible.
Richard


Sent from Yahoo! Mail on Android

From: sv_ironmaiden <james.pilchak@gmail.com>;
To: <electricboats@yahoogroups.com>;
Subject: [Electric Boats] New member on the Bay Of Quinte
Sent: Sat, Jan 26, 2013 3:29:13 PM

 
Hello,

I am a new member of this group, thought I'd introduce myself.

I had been interested in electric propulsion for a while before going to the recent boat show in Toronto. After talking to a few diesel companies about replacing the Volvo MD11C in my boat, I became even more interested...

My boat is a 27' Vollenhovense Bol. She is a Dutch, 11,000 lb steel, gaff rigged double-ender with leeboards.


The existing engine works well enough, but I have read enough to know repairs are expensive. If anything other than basic maintenance is required I will repower.

Outside of sailing, quite often the wife and I motor around in the evening (I live wasterfront, and keep the boat on my dock) for an hour or so. Would be amazing to do this without the clatter and stink of a diesel beneath us.

The plan is to install a series hybrid.

I'm thinking:

5 to 10 KW BLDC motor, gear reduction as needed
battery bank 48V? 72V?
dual remote start generators
associated chargers, controllers, etc...

The MD11C with reverse gear is about 500lbs, so this is how much weight I have to replace. The motor resides under the cockpit, totally separate from the cabin. I want to keep all generators, batteries in this area.

My original thinking was to use two Honda eu2000i generators with the parallel kit, but they don't have remote start. I have found similar small inverter generators with remote so I will have to go with those. I had considered using one bigger genny, but like the flexibility and redundancy of two smaller. I will make my own control system to start and stop the generators as needed, probably using an Arduino microprocessor board. This way I can automatically start one, or both depending on load and balance runtime.

I hope to make them as quiet as possible with proper ventilation and soundproofing.

In the end I'd like the capability of 1 to 2 hours at 2 to 3 knots on battery. If possible I'd like unlimited (other than by gas storage capacity) range at 3 to 4 knots using the generators .

I considered diesel generator/generators but they seem to cut into my weight allotment too quickly. I also considered going with water cooled generators, but again, they get heavy, and I'd like to remove through hulls wherever possible. I am converting to a composting head so I can get rid of all through hulls in the cabin.

I haven't figured it all out yet, so if I say anything that is obviously wrong or unrealistic, please let me know.



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Re: [Electric Boats] New member on the Bay Of Quinte

 

This looks very possible. As an example we are running an electric yacht 100ibl in an Alberg 30. We can run 4 hours at 3.2 knots from a 200 amp agm lifeline pack to 50% discharge. Draw at this speed 20 amps. We had her doing 4.7 once but this is over 100 amps, all on 48 volts.. I would expect you would use a bit more current because of the extra weight. You would probably be better off with a 180ibl or a system around that power rating.
Nice looking boat.
We expect to be on lake Ontario sometime this summer. Plan to blog about out trip up the St.Lawrence and will put a link here. Hope this gives you some idea of what is possible.
Richard


Sent from Yahoo! Mail on Android


From: sv_ironmaiden <james.pilchak@gmail.com>;
To: <electricboats@yahoogroups.com>;
Subject: [Electric Boats] New member on the Bay Of Quinte
Sent: Sat, Jan 26, 2013 3:29:13 PM

 

Hello,

I am a new member of this group, thought I'd introduce myself.

I had been interested in electric propulsion for a while before going to the recent boat show in Toronto. After talking to a few diesel companies about replacing the Volvo MD11C in my boat, I became even more interested...

My boat is a 27' Vollenhovense Bol. She is a Dutch, 11,000 lb steel, gaff rigged double-ender with leeboards.


The existing engine works well enough, but I have read enough to know repairs are expensive. If anything other than basic maintenance is required I will repower.

Outside of sailing, quite often the wife and I motor around in the evening (I live wasterfront, and keep the boat on my dock) for an hour or so. Would be amazing to do this without the clatter and stink of a diesel beneath us.

The plan is to install a series hybrid.

I'm thinking:

5 to 10 KW BLDC motor, gear reduction as needed
battery bank 48V? 72V?
dual remote start generators
associated chargers, controllers, etc...

The MD11C with reverse gear is about 500lbs, so this is how much weight I have to replace. The motor resides under the cockpit, totally separate from the cabin. I want to keep all generators, batteries in this area.

My original thinking was to use two Honda eu2000i generators with the parallel kit, but they don't have remote start. I have found similar small inverter generators with remote so I will have to go with those. I had considered using one bigger genny, but like the flexibility and redundancy of two smaller. I will make my own control system to start and stop the generators as needed, probably using an Arduino microprocessor board. This way I can automatically start one, or both depending on load and balance runtime.

I hope to make them as quiet as possible with proper ventilation and soundproofing.

In the end I'd like the capability of 1 to 2 hours at 2 to 3 knots on battery. If possible I'd like unlimited (other than by gas storage capacity) range at 3 to 4 knots using the generators .

I considered diesel generator/generators but they seem to cut into my weight allotment too quickly. I also considered going with water cooled generators, but again, they get heavy, and I'd like to remove through hulls wherever possible. I am converting to a composting head so I can get rid of all through hulls in the cabin.

I haven't figured it all out yet, so if I say anything that is obviously wrong or unrealistic, please let me know.

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Saturday, January 26, 2013

Re: [Electric Boats] Re: Electro-sailing around New York

 

Pat

Thanks for that info. I forgot to make them public. I will do it soon.

Mike

Sent from on board BIANKA
http://biankablog.blogspot.com
From: "greenpjs04" <forums@greensdomain.com>
Sender: electricboats@yahoogroups.com
Date: Sat, 26 Jan 2013 19:44:05 +0000
To: <electricboats@yahoogroups.com>
ReplyTo: electricboats@yahoogroups.com
Subject: [Electric Boats] Re: Electro-sailing around New York

 

Hi Mike,
I have enjoyed watching your videos. I am familiar with the area but not from the water so I enjoyed seeing things from a different perspective. Anyway, the first two videos played fine, but the videos in the third link say, "This video is private" when I try to view them.

Pat

--- In electricboats@yahoogroups.com, Mike wrote:
>
> Back in October 2012 a few days before Hurricane Sandy blew through the area I made a extended motor sail with my electric propulsion system. The winds were light to non existent for most of the trip. So I had to use my Thoosa 9000 EP and the Honda generator for almost the entire 40 nautical miles. Actually operated under battery for the first two and half hours. Then went into "hybrid mode"  Honda ran for over five hours on a single tank of gas while I electro-sailed using my NG-1 battery charger at 16 amps to provide the power. Quite a nice trip despite the lack of wind. Here are some videos of the cruise:
>
> http://biankablog.blogspot.com/2013/01/electro-sailing-around-new-york-part-one.html
> http://biankablog.blogspot.com/2013/01/electrosailing-around-new-york-part-two.html
>
> http://biankablog.blogspot.com/2013/01/electro-sailing-around-new-york-part.html
>

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[Electric Boats] Re: Electro-sailing around New York

 

Hi Mike,
I have enjoyed watching your videos. I am familiar with the area but not from the water so I enjoyed seeing things from a different perspective. Anyway, the first two videos played fine, but the videos in the third link say, "This video is private" when I try to view them.

Pat

--- In electricboats@yahoogroups.com, Mike wrote:
>
> Back in October 2012 a few days before Hurricane Sandy blew through the area I made a extended motor sail with my electric propulsion system. The winds were light to non existent for most of the trip. So I had to use my Thoosa 9000 EP and the Honda generator for almost the entire 40 nautical miles. Actually operated under battery for the first two and half hours. Then went into "hybrid mode"  Honda ran for over five hours on a single tank of gas while I electro-sailed using my NG-1 battery charger at 16 amps to provide the power. Quite a nice trip despite the lack of wind. Here are some videos of the cruise:
>
> http://biankablog.blogspot.com/2013/01/electro-sailing-around-new-york-part-one.html
> http://biankablog.blogspot.com/2013/01/electrosailing-around-new-york-part-two.html
>
> http://biankablog.blogspot.com/2013/01/electro-sailing-around-new-york-part.html
>

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Re: [Electric Boats] Hello Everyone

 

Hello Jim,
 
I converted a Tartan 27-2 and live on Long Island. The conversion has worked out very well. If I may be of any help, let me know!
 
Fred Liesegang

From: Jim Licata <james_licata@hotmail.com>
To: electricboats@yahoogroups.com
Sent: Sunday, December 30, 2012 1:11 PM
Subject: [Electric Boats] Hello Everyone
 
Hello All, I'm Jim and this is my first post. Currently I sail a 1984 Elite 324 mostly on the Hudson river and Long Island sound area. This winter I'm looking into alternatives for replacing the original Volvo 2002 diesel. There do not appear to be any conversion specialists in the area, so I'll be looking to learn enough to take on this conversion.  With any luck when I'm done I can share my experience with others in my area, possibly starting a trend. Jim - Sailing on the Hudson        
To: electricboats@yahoogroups.comFrom: rwsandersii@hotmail.comDate: Sun, 30 Dec 2012 05:56:35 +0000Subject: [Electric Boats] Re: Hello, everyone  
I'm in Lee's Summit. I bought a new Compac 27 that I convinced the Hutchins folks to put a SolidNav in. Sadly I'm still waiting to get her in the water (life has bowled me over the last few years). Where do you sail? Richard in MO. --- In mailto:electricboats%40yahoogroups.com, "junkrigsailor" <junkrigsailor@...> wrote: > > Hi. I'm posting from home near Richmond, MO. I have a Nor'Sea 27 sailboat with a Chinese Junk rig and small diesel inboard. I am considering converting to a diesel / electric hybrid by adding an electric motor aft of the diesel, above the propeller shaft, and using a chain drive from the motor to the shaft. Why chain? Because split sprockets are readily available, and split sprockets and chain can be opened up to install around an existing shaft without a lot of teardown and reassembly. > The plan, should it work out, would be to use sail as my primary source of motive power, electric as preferred secondary power, and the diesel for longer distance travel. I see using the electric by putting the diesel's transmission in neutral - some friction loss, but not a great deal. Possibly I would use the electric to boost the diesel, a wimpy Yanmar SVE8, about 7 1/2 hp and not a lot for an 8,000 lb boat, and under other circumstances let the electric be driven by the diesel as a charger. > It seems likely that members here are aware of the Steyr Motors Parallel Hybrid system, as shown here: http://www.steyr-motors.com/marine-diesel-engines/2-4-and-6-cylinder/full-hybrid-propulsion-system-diesel-and-electric/ I've just borrowed their concept with the idea of retrofitting it to a (significantly lesser) existing diesel installation. > This won't happen tomorrow or next week. I have quite a bit of work to do on the boat before I even consider the electric motor, but I thought I would do well to hang around here and learn for a while. >

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