[C320-list] FW: Re: Are 6V Batteries Superior To 12V Batteries For DeepCycle Applications?

[Robert Seastream]

Will do.

Bob

On Jun 20, 2006, at 1:27 PM, Karl Mielenhausen _/) wrote:

>
> Robert,
>
>
>
> Both 4D's and 8D's are approx. 21" long. 4D's are 8.5" wide while 8D's  
> are 11" wide. Given the compartment size and geometry, I doubt if you  
> have 8D's. If you do, however, let me know so I can add it to my list  
> of C320 Design Changes. Your hull # also.
>
> Thanks.
>
>
>
> Karl Mielenhausen
>
> 2000 C320 Hull#690 "Silver Lining"
>
> New Bern, NC
>
> http://members.cox.net/mielen/
>
>
>
> From: Robert Seastream [mailto: seastream at adelphia.net]
>
> To: C320-List at catalina320.com
>
> Date: Sat, 17 Jun 2006 10:08:26 -0400
>
> Subject: Re: [C320-list] Are 6V Batteries Superior To 12V  
> Batteries	For	DeepCycle Applications?
>
>
>
> I've looked, but other than they're HUGE (perhaps 2-3 feet long?), I  
> <br>saw no markings on them.<br><br>On Jun 17, 2006, at 1:19 AM,  
> Orlando.Duran at AveryDennison.com wrote:<br><br>> Have you looked at  
> your batteries to see what they are? Probably a <br>> good idea to see  
> what you came equipped with....<br>><br>> cuba libre 2<br>>  
> --------------------------<br>> Regards,<br>> OD<br>><br>> Sent from  
> my BlackBerry Wireless Handheld<br>><br>><br>><br>> ----- Original  
> Message -----<br>> From: Robert Seastream  
> [seastream at adelphia.net]<br>> Sent: 06/16/2006 08:02 PM<br>> To:  
> C320-List <C320-List at catalina320.com><br>> Subject: Re: [C320-list]  
> Are 6V Batteries Superior To 12V Batteries <br>> For	DeepCycle  
> Applications?<br>><br>> What group batteries are in the 320?  I've got  
> a 2002 model year and <br>> would like to know.  I think they're 8D  
> but have heard 4D somewhere.<br>><br>> Bob<br>><br>> On Jun 16, 2006,  
> at 9:42 PM, David Gleason wrote:<br>><br>>> In years past, around 1956  
> or
> so, the auto industry started switching<br>>> from 6 volt to 12 volt  
> systems.  One of the reasons I was told was <br>>> that<br>>>  
> according to Ohms law, by increasing the voltage to 12 they were able  
> <br>>> to<br>>> reduce the size of the wiring needed to carry the same  
> amperage.  The<br>>> battery cables on 6 volt auto were twice the size  
> of what you see on <br>>> 12<br>>> volt autos.<br>>><br>>> Dave  
> Gleason<br>>> Proud Mary, #150<br>>><br>>><br>>> On Fri, 16 Jun 2006  
> 19:28:22 -0500 "Robert E. Sloat"<br>>> <resloat at comcast.net>  
> writes:<br>>>> A comment-If 6 volt batteries are better, why does  
> every sailboat<br>>>> manufacturer equip their product with 12 volts  
> batteries.  And they<br>>>> don't<br>>>> even offer a 6 volt option.   
> Their options often are upgrading so<br>>>> they must<br>>>> have made  
> the decision that the 6 volt thing is not an improvement.<br>>>>   
> ----- Original Message -----<br>>>> From: <BAdams3491 at aol.com><br>>>>  
> To: <C320-List at catalina320.com><br>>>>
> Sent: Friday, June 16, 2006 3:54 PM<br>>>> Subject: [C320-list] Are 6V  
> Batteries Superior To 12V Batteries For<br>>>> DeepCycle  
> Applications?<br>>>><br>>>><br>>>>> Seems to me we have always thought  
> the answer was yes.   This is<br>>>> from the<br>>>>> Optima Battery  
> web site:<br>>>>  
> (_http://www.1st-optima-batteries.com/faq17.asp_<br>>>>>  
> (http://www.1st-optima-batteries.com/faq17.asp) )<br>>>>><br>>>>> It's  
> popularly believed that 6 volt batteries are better for deep<br>>>>  
> cycle<br>>>>> power applications than 12 volt batteries, but it isn't  
> true. This<br>>>> myth<br>>>> likely<br>>>>> developed from the fact  
> that golf carts use 6 volt systems.<br>>>> Because golf<br>>>>  
> cart<br>>>>> batteries were the only deep cycle batteries widely  
> available for<br>>>> many<br>>>> years,<br>>>>> the best way to obtain  
> good 12 volt deep cycle power was to<br>>>> connect two 6<br>>>>> volt  
> golf cart batteries in series (or more batteries could be<br>>>>  
> connected<br>>>> in a<br>>>>>
> combination series and parallel configuration for higher  
> voltages<br>>>> like 24<br>>>> volts<br>>>>> or 36 volts.) The  
> effectiveness of that approach owed entirely to<br>>>> the<br>>>>  
> design<br>>>>> characteristics and quality of the batteries used, not  
> to the fact<br>>>> that<br>>>> the<br>>>>> batteries used produced 6  
> volts.<br>>>>><br>>>>> In reality both 6 volt batteries and 12  volt  
> batteries are simply<br>>>> built<br>>>> from<br>>>>> 2 volt cells; if  
> a battery is built with  three such cells, it's a<br>>>> 6  
> volt<br>>>>> battery. If a battery is built with six such  cells, then  
> it's a<br>>>> 12 volt<br>>>> battery.<br>>>>> To make a 12 volt system  
> by connecting two 6  volt batteries in<br>>>> series is<br>>>>  
> to<br>>>>> do nothing more than to build a 12 volt battery  with two  
> cases<br>>>> and<br>>>> external<br>>>>> interconnection. In fact,  
> every cable end connection  results in<br>>>> some<br>>>>> efficiency  
> loss, so the two 6 volt batteries, because they
> must<br>>>> be<br>>>> connected by a<br>>>>> cable, will be slightly  
> less efficient than the 12 volt unit.<br>>>>> Comments?<br>>>>>  
> Bert<br>>>>> At Ease<br>>>>>  
> #442<br>>>>><br>>>>><br>>>><br>>>><br>>>><br>>>><br>>><br>><br>><br>><b 
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