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Re: [PSUBS-MAILIST] Batteries Bank

To: personal_submersibles@psubs.org
Subject: Re: [PSUBS-MAILIST] Batteries Bank
From: irox <irox@ix.netcom.com>
Date: Fri, 1 Oct 2010 09:23:05 -0700 (GMT-07:00)
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Reply-to: personal_submersibles@psubs.org
Sender: owner-personal_submersibles@psubs.org
Yes, $75 each, but this may not include the core fee (or shipping).
I've been monitoring the prices for batteries for the last 3years
and there seems to be a recent price drop.

I am aiming to by 125 or so of them with $10K set a side for
battery budget, giving me over 150KWh of usable energy.

Cheers!
 Ian.

-----Original Message-----
>From: Alan James <alanjames@xtra.co.nz>
>Sent: Oct 1, 2010 9:08 AM
>To: personal_submersibles@psubs.org
>Subject: Re: [PSUBS-MAILIST] Batteries Bank
>
>Hi Ian,
>Thats $75- each; surely they made a mistake.
>Is everything really that cheap in America.?
>Alan
>
>----- Original Message ----- 
>From: "irox" <irox@ix.netcom.com>
>To: <personal_submersibles@psubs.org>
>Sent: Saturday, October 02, 2010 4:12 AM
>Subject: Re: [PSUBS-MAILIST] Batteries Bank
>
>
>> 
>> Hi Alan,
>> 
>> you get 6 batteries for the $450.
>> 
>> So for 8 hours of operation it would be $168,000, or $252,000 for 12 hours.
>> 
>> Cheers!
>> Ian. 
>> 
>> -----Original Message-----
>>>From: Alan James <alanjames@xtra.co.nz>
>>>Sent: Oct 1, 2010 2:04 AM
>>>To: personal_submersibles@psubs.org
>>>Subject: Re: [PSUBS-MAILIST] Batteries Bank
>>>
>>>Hi Ian,
>>>Don't you mean 280 x 12 (hours) x $450- = $ 1,512,000
>>>Alan
>>>----- Original Message ----- 
>>>From: "irox" <irox@ix.netcom.com>
>>>To: <personal_submersibles@psubs.org>; <personal_submersibles@psubs.org>
>>>Sent: Friday, October 01, 2010 8:32 PM
>>>Subject: Re: [PSUBS-MAILIST] Batteries Bank
>>>
>>>
>>>> 
>>>> That would be roughly 280 of these per hour of operation:
>>>> http://store.wellingtongolfcars.com/ProductInfo.aspx?id=6282480
>>>> 
>>>> Costing $21,000 and weighing 10400+kgs (for one hour of operation
>>>> at 250KW).  This is just a rough estimate (not count discharge
>>>> rate performance and system inefficiencies).
>>>> 
>>>> Ian.
>>>> 
>>>> -----Original Message-----
>>>> 
>>>> From: Alan James 
>>>> 
>>>> Sent: Sep 30, 2010 11:22 PM
>>>> 
>>>> To: personal_submersibles@psubs.org
>>>> 
>>>> Subject: Re: [PSUBS-MAILIST] Batteries Bank
>>>> 
>>>> 
>>>> 
>>>> 
>>>> 
>>>> 
>>>> 
>>>> 
>>>> 
>>>> 
>>>> Hi Jon,
>>>> That depends on how much money you want to 
>>>> spend!
>>>> Roughly you could have a 1/3rd the weight of a lead 
>>>> acid battery if you went to
>>>> Lithium, but the cost is many times more. If you 
>>>> find what type of battery you want
>>>> & go on the manufacturers site or a dealers 
>>>> site they will have an amp hour rating
>>>> wich is based on 20 hours use. There should be 
>>>> specifications to help you calculate
>>>> how many amp hours you'd get drawing over an 8 hour 
>>>> period.
>>>> Another factor coming in to the equation is " how 
>>>> hard do you want to thrash your batteries?"
>>>> If you drain them below half their capacity you 
>>>> reduce their overall life expectancy.
>>>> So say you had a 12 volt 100 amp hour battery & 
>>>> you wanted to run it to 50% over 8 hours,
>>>> you might get 40 amp hours & multiplying that 
>>>> by 12 (volts) you get 480 watts.
>>>> That means 520 x 12 volt 100 amp hour 
>>>> batteries.
>>>> That's about $250,000 worth of batteries however 
>>>> you should be able to get a good discount.
>>>> They weigh more than 30kg each so that's over 15 
>>>> ton of batteries.
>>>> Regards Alan
>>>> 
>>>> 
>>>>  ----- Original Message ----- 
>>>>  From: 
>>>>  Firebolt 
>>>>  
>>>>  To: Psusbs 
>>>>  Sent: Friday, October 01, 2010 6:33 
>>>>  PM
>>>>  Subject: [PSUBS-MAILIST] Batteries 
>>>>  Bank
>>>>  
>>>> 
>>>>  Hello, this is a short question, 250 kw electric motor 
>>>>  running  for 8 hours what type/many batteries do I need? ex. ampere Hour, 
>>>>  voltage
>>>> 
>>>> 
>>>> 
>>>> ************************************************************************
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>>>
>>>
>>>
>>>
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>> 
>> 
>> 
>> 
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>> The personal submersibles mailing list complies with the US Federal
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>
>
>
>
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>The personal submersibles mailing list complies with the US Federal
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>Removal of your email address from this mailing list occurs by an
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>PSUBS.ORG
>PO Box 53
>Weare, NH  03281
>603-529-1100
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PSUBS.ORG
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Weare, NH  03281
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