Monday, April 30, 2012

Re: [Electric Boats] Electric Boats messages being cloned to a blogsite

 

wouldn't who is tell you who owns the domain?
 
...  How beautiful it is to do nothing, then rest afterwards
    

From: Myles Twete <matwete@comcast.net>
To: electricboats@yahoogroups.com
Sent: Monday, April 30, 2012 7:19 AM
Subject: [Electric Boats] Electric Boats messages being cloned to a blogsite

 
Moderator Notice:
 
It has come to my attention that the messages in this group are being copied to an external blogsite:
It is my guess that one of our members is doing this copying or cloning.
If you know who is doing this, please let me know.
If it is you, please cease and desist and remove yourself from this group immediately.
 
While we do not restrict membership to this group, we do cull the membership of spammers and we try to protect the 4000+ members' identities from spammers or bots as we can.  The only thing more I can think of to do is to change the list to a restricted membership group where I need to approve each new member and not just new member posts.
 
Suggestions can be emailed to me offline if you have any.
1.       Again, whoever you are that is doing this (here's the website tpainisonaboat.blogspot.com ), please stop this NOW.


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[Electric Boats] Electric Boats messages being cloned to a blogsite

 

Moderator Notice:

 

It has come to my attention that the messages in this group are being copied to an external blogsite:

It is my guess that one of our members is doing this copying or cloning.

If you know who is doing this, please let me know.

If it is you, please cease and desist and remove yourself from this group immediately.

 

While we do not restrict membership to this group, we do cull the membership of spammers and we try to protect the 4000+ members' identities from spammers or bots as we can.  The only thing more I can think of to do is to change the list to a restricted membership group where I need to approve each new member and not just new member posts.

 

Suggestions can be emailed to me offline if you have any.

1.       Again, whoever you are that is doing this (here's the website tpainisonaboat.blogspot.com ), please stop this NOW.

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Re: [Electric Boats] Sail Boat project

 

Nick,
 
In a Macgregor?
Seems kinda like putting a Ferrari engine in a mid 80's Chrysler sedan, no?
 
From: Nick <nstoika@yahoo.com>
To: electricboats@yahoogroups.com
Sent: Saturday, April 28, 2012 4:15 PM
Subject: [Electric Boats] Sail Boat project

 
I'm selling a 25 feet McGregor that has been a "project" for an electrical boat......due to personal issues I moved to Europe so the Boat is still in "project" stage in Lake Tahoe California.
nstoika@yahoo.com



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Saturday, April 28, 2012

[Electric Boats] Battery Investigation cont'd

 

Got back on board after two weeks. Only had solar panels keeping things topped up.  The parasitic load on the suspect battery was disconnected too. Firing up the Dual Pro charger showed that all four batteries were now pretty much in sync charge wise:
Which was a big improvement from when I first started and the last battery in the string would not complete a charge. One thing left to do is a load test. Which I should get to this week.
 
Capt. Mike
 

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[Electric Boats] Sail Boat project

 

I'm selling a 25 feet McGregor that has been a "project" for an electrical boat......due to personal issues I moved to Europe so the Boat is still in "project" stage in Lake Tahoe California.
nstoika@yahoo.com

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Re: [Electric Boats] Re: I wrote an article about lead-acid batteries

 

In a multicell battery the better cells achieve full charge  first and then gas. Thats why the amount of water you add afterwards may be different per cell. If difference is large battery is declining.
There is more info in the Kindle article re charging rates.
You wouldn't think such a simple task could get so complex.
Kirk
 
...  How beautiful it is to do nothing, then rest afterwards
    

From: sir <white74@telus.net>
To: electricboats@yahoogroups.com
Sent: Friday, April 27, 2012 10:58 PM
Subject: [Electric Boats] Re: I wrote an article about lead-acid batteries

 


--- In electricboats@yahoogroups.com, Kirk McLoren <kirkmcloren@...> wrote:
>
> http://ezinearticles.com/?The-Lead-Acid-Battery---Its-Care-and-Feeding-for-Long-Life&id=7012742
>
> ...  How beautiful it is to do nothing, then rest afterwards
>
Good article useful as a primer for those just getting the idea of energy storage
do you plan to add anything about LiFePO4 cells?
I found the part about balancing cells of interest but not sure how to achieve this with multi-cell batteries.
brings me full circle in my decision about single cells vs. multi-cell
Back to the Hawkers I think.
just need a good source for high load diodes
for my switching / charging matrix
and a comparator circuit for balancing / equalizing

William White
SV Rangatira
1974 Discovery 32 -2 Sloop
Farymann A40 hybrid



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[Electric Boats] new system from scratch, am i on the right track please?

 

pardon any lack of protocol but this is the first time i have ever joined a forum seeking practical advice.
usually it's by going somewhere to get it first hand, trawling the net for data/spec sheets or off to a library, BUT what info is out there on electric drive systems is so eclectic, contradictory, disjointed or just plain rare that i admit although i'm pretty sure i am on the right track, i would very much appreciate and be grateful for any help or experience anyone can share, and i'm happy to return the favour.

it seems better to use a diesel generator to produce DC with a large enough capacity to power the electric drive motor(s) directly for the times when i need cruising speed.
this will let me get away from the "usual" AC output genset that has to be converted to DC before being sent to the motor controllers(s).

add a battery bank of the same DC voltage as the generators output and the motor controllers input.

add a single phase battery charger for shore power top up.

add a 230 VAC output inverter to run the onboard appliances.

if i can get my hot water from the genset that about finishes the system?

if i am heading in the right direction, i will bore you with the boat details, but i thought i would get the theory right before moving on to the practice.

thanking everyone in advance

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