Cruisers & Sailing Forums - Search Results

Views: 17,796

Posted By gael

Re: Review of Boatyards in Chaguaramas, Trinidad

There are 2 spots where to leave the boat:
1- In the Yatch club(TTSA) , nearly 2km from the main Chaguaramas facility.
Very calm ,very nice pool and club, exepted when the wind come from SE ,...

Forum: Atlantic & the Caribbean

01-06-2017, 10:42

Replies: 23

LiFePO4 Batteries: Discussion Thread for Those Using Them as House Banks

Views: 17,796

Posted By gael

Re: Review of Boatyards in Chaguaramas, Trinidad

Hi terrysandling,
My sailboat is still on Powerboat, since 2012 an so far so good....
Camao is an aluminium "midle size" boat (50ft) .
For boat handling, the crew know its job. They are...

Forum: Lithium Power Systems

01-08-2015, 13:56

Replies: 7,793

Views: 1,550,777

Posted By gael

Re: LiFePO4 Batteries: Discussion Thread for Those Using Them as House Banks

Just FYI, I run a skilla 50Amp charger on my 2x 26 / 130Ah banks since 2010, living on board.
The skilla is configured as a 28V voltage supply and let the 50Amp current clamp limits the charge...

Forum: Lithium Power Systems

15-06-2015, 06:51

Replies: 7,793

LiFePO4 Batteries: Discussion Thread for Those Using Them as House Banks

Views: 1,550,777

Posted By gael

Re: LiFePO4 Batteries: Discussion Thread for Those Using Them as House Banks

Does the Tesla car base on LiPoFe or LiCo chemistry?
Any way it need something as 140V pack for propulsion. Far away from ours careabout I'm afraid.
I dnt expect to much from the car...

Forum: Lithium Power Systems

07-06-2015, 08:32

Replies: 7,793

LiFePO4 Batteries: Discussion Thread for Those Using Them as House Banks

Views: 1,550,777

Posted By gael

Re: LiFePO4 Batteries: Discussion Thread for Those Using Them as House Banks

I guess a bit more complicated. >
It is true that Voltage is not enougth , but also conflicts between current source are more difficult to handle w/o communication through the various monitor.
For...

Forum: Navigation

24-04-2015, 19:57

Replies: 2

Grenada to Tahiti June/July

Views: 1,464

Posted By gael

Re: Grenada to Tahiti June/July

--------------------------------------------------------------------
Thunderstorms are not my favorite... you confirmed what I had anticipate. May be with a North route I could escape a bit from...

Forum: Navigation

24-04-2015, 11:56

Replies: 2

Grenada to Tahiti June/July

Views: 1,464

Posted By gael

Grenada to Tahiti June/July

Hi,
I'm looking to a possible route from Grenada to Tahiti, starting early june from Grenada, crossing panama e/o june and Panama Tahiti non stop in July.
Any suggestion or advice regarding the...

24-04-2015, 11:47

Replies: 80

Views: 23,413

Posted By gael

Re: Monitoring LiFePO4 Lithium Batteries

-----------------------------------------------------------------------
Thanks David,
Ok for the 2KW Xantrex.
I understand you had you have 2 separated banks. Are you coupling two bat's for...

23-04-2015, 12:09

Replies: 80

LiFePO4 Batteries: Discussion Thread for Those Using Them as House Banks

Views: 23,413

Posted By gael

Re: Monitoring LiFePO4 Lithium Batteries

Hi David
Couldnt be the rigth thread but...
I'm leaving on board with 2 * 24V /130Ah CALB based cell batteries since 2010. So far so good.
I understand you are also cooking using your LiPoFe...

Forum: Lithium Power Systems

15-03-2015, 09:05

Replies: 7,793

Views: 1,550,777

Posted By gael

Re: LiFePO4 Batteries: Discussion Thread for Those Using Them as House Banks

Hi spiv,
I guess someday we should have a thread "how to retrofit" "lead 2 Lithium transition"....
600amps lithium is -let say- confortable... but have you in mind to go to a full electric...

Forum: Lithium Power Systems

23-06-2014, 10:32

Replies: 7,793

LiFePO4 Batteries: Discussion Thread for Those Using Them as House Banks

Views: 1,550,777

Posted By gael

Re: LiFePO4 Batteries: Discussion Thread for Those Using Them as House Banks

After 4 years using my Li banks, one concern I have is about the alternator.
As the Li batteries can accept an high C charge during almost all the charging time , the alternator become pretty...

Forum: Propellers & Drive Systems

23-03-2014, 15:39

Replies: 2

Volvo MS25S-A Saildrive replacement

Views: 2,644

Posted By gael

Re: Volvo MS25S-A Saildrive replacement

Hi Jason,
No (yet) corrosion on my MS25, fitted on an aluminium boat. But the engine is totally isolated regarding th DC current.
I got some corrosion in a locker. Two very famous shipyards...

Forum: Atlantic & the Caribbean

23-03-2014, 09:05

Replies: 23

LiFePO4 Batteries: Discussion Thread for Those Using Them as House Banks

Views: 17,796

Posted By gael

Re: Review of Boatyards in Chaguaramas, Trinidad

Hi,
Regarding the price , difficult to say. Cheaper compare to European rate anyway. I had a large job done on my boat last year and I found skilled people but also lot of underskilled...

Forum: Lithium Power Systems

14-02-2014, 01:31

Replies: 7,793

Views: 1,550,777

Posted By gael

Re: LiFePO4 Batteries: Discussion Thread for Those Using Them as House Banks

Hopfully scientists are still moving on!
New Polymer Could End Battery Fires, Quadruple Efficiency | Autopia | Wired.com (https://www.wired.com/autopia/2014/02/batteries-flammable-polymer/)

11-02-2014, 02:45

Replies: 80

Views: 23,413

Posted By gael

Re: monitoring LiFePO4 lithium batteries

Hi,
You will find a lot of information on the Genasun site. To be short
the BMS handle the 8cell monitors (for 24V) It checks individually every cells for V , température , balance and the...

09-02-2014, 02:18

Replies: 80

LiFePO4 Batteries: Discussion Thread for Those Using Them as House Banks

Views: 23,413

Posted By gael

Re: monitoring LiFePO4 lithium batteries

Hi sparrowhawk,

Two 130Ah/24V pack with CALB prismatic cells.
- BMS from Genasun. So with HV and LV alarms and cells balance.
- Two Victron BMV600 for Ah monitoring and HV and LV...

Forum: Lithium Power Systems

08-02-2014, 02:27

Replies: 7,793

Views: 1,550,777

Posted By gael

Re: LiFePO4 Batteries: Discussion Thread for Those Using Them as House Banks

Thanks for fwding these threads. Very interesting in the medic' contexts.
I can understand this is a promessing approach if the total generator internal impedance must be kept low as possible.
...

Forum: Lithium Power Systems

21-01-2014, 10:31

Replies: 7,793

LiFePO4 Batteries: Discussion Thread for Those Using Them as House Banks

Views: 1,550,777

Posted By gael

Re: LiFePO4 Batteries: Discussion Thread for Those Using Them as House Banks

Hi Charlie,
Sorry I miss your reply..; but just rsponded to Dave for a same question.
rgds
gael

Forum: Lithium Power Systems

21-01-2014, 10:09

Replies: 7,793

LiFePO4 Batteries: Discussion Thread for Those Using Them as House Banks

Views: 1,550,777

Posted By gael

Re: LiFePO4 Batteries: Discussion Thread for Those Using Them as House Banks

Tesla is using the 18650 form factor , but the cells are quite exotic anode and cathode variants produced for tesla by Panasonic.

Having done a lot of work on 18650 cells , there's no advantage...

Forum: Lithium Power Systems

21-01-2014, 01:19

Replies: 7,793

LiFePO4 Batteries: Discussion Thread for Those Using Them as House Banks

Views: 1,550,777

Posted By gael

Re: LiFePO4 Batteries: Discussion Thread for Those Using Them as House Banks

What about building a pack using 18650 cylindrical cells/ If you want serious discharge rates https://www.hobbyking.com/hobbyking/store/__16575__A123_3_3VB_Lithium_Ion_2300mAh_Single_Cell_Battery.html...

Forum: Lithium Power Systems

20-11-2013, 05:17

Replies: 7,793

LiFePO4 Batteries: Discussion Thread for Those Using Them as House Banks

Views: 1,550,777

Posted By gael

Re: LiFePO4 Batteries: Discussion Thread for Those Using Them as House Banks

[QUOTE=hellosailor;1395087]gael-
Contact the maker and check the ratings on your breakers. Conventional breaker contacts will flash over and weld shut when exposed to some 3500A of current, and...

Forum: Lithium Power Systems

19-11-2013, 09:31

Replies: 7,793

LiFePO4 Batteries: Discussion Thread for Those Using Them as House Banks

Views: 1,550,777

Posted By gael

Re: LiFePO4 Batteries: Discussion Thread for Those Using Them as House Banks

Hi Typhoon,
This a good question. I have regular breakers rated to 100Amps on each banks ( 2 in my case), just between the "+" connector and its LVC relay.
Also you should avoid to connect...

Forum: Lithium Power Systems

03-08-2013, 01:00

Replies: 7,793

LiFePO4 Batteries: Discussion Thread for Those Using Them as House Banks

Views: 1,550,777

Posted By gael

Re: LiFePO4 Batteries: Discussion Thread for Those Using Them as House Banks

Hi ,
Runing dayly basis since 2009 with my CALB 130Ah.
Every couple of days I crank the watermaker so 0.25C for one hour.
Time to time climbing on the mast my 200pounds with the windlass
...

Forum: Atlantic & the Caribbean

02-08-2013, 06:42

Replies: 23

Views: 17,796

Posted By gael

Re: Review of Boatyards in Chaguaramas, Trinidad

Gael again, regarding the hole out in PowerBoat.
Camao has a 9ft , T shape keel not easy to hole out and every time I have to hole out, I'm a bit nervous. Theirs travellifts are in good...

Forum: Atlantic & the Caribbean

02-08-2013, 06:33

Replies: 23