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Starter Circuit For DADB

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billhuntersemail(at)gmail
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Posted: Fri Apr 22, 2016 9:32 am Post subject: Starter Circuit For DADB

I am wiring a Dual Alternator Dual Battery system and I have a question about the starter curcuit.  

Naturally the only starter CB will be on one system bus and the question is what if that side battery is completely dead...if the second battery is still charged and I tie the bus would the second battery have sufficient power available to close the starter solenoid and start the engine?  

I know there is a discussion in the AEC about the dead battery not drawing down the good battery due to the 13.5 volts required to charge a battery but I was wondering about the starter circuit.  

Bill Hunter

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ceengland7(at)gmail.com
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Posted: Fri Apr 22, 2016 11:02 am Post subject: Starter Circuit For DADB

If you're tying the buses (and effectively, the batteries), then it's electrically the same as 'jump starting' your car using an external jump start pack.



On Fri, Apr 22, 2016 at 12:31 PM, William Hunter <billhuntersemail(at)gmail.com (billhuntersemail(at)gmail.com)> wrote:

 	  Quote: 	
		  

I am wiring a Dual Alternator Dual Battery system and I have a question about the starter curcuit.  

Naturally the only starter CB will be on one system bus and the question is what if that side battery is completely dead...if the second battery is still charged and I tie the bus would the second battery have sufficient power available to close the starter solenoid and start the engine?  

I know there is a discussion in the AEC about the dead battery not drawing down the good battery due to the 13.5 volts required to charge a battery but I was wondering about the starter circuit.  

Bill Hunter

- The Matronics AeroElectric-List Email Forum -

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

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billhuntersemail(at)gmail
Guest

Posted: Fri Apr 22, 2016 11:59 am Post subject: Starter Circuit For DADB

I've never used a jump start pack... always used jumper cables and running car.  

I will be running two Optima batteries so it will be a few steps above the jump start pack.  

Bill Hunter On Apr 22, 2016 14:08, "Charlie England" <ceengland7(at)gmail.com (ceengland7(at)gmail.com)> wrote: 	  Quote: 	
		  If you're tying the buses (and effectively, the batteries), then it's electrically the same as 'jump starting' your car using an external jump start pack.



On Fri, Apr 22, 2016 at 12:31 PM, William Hunter <billhuntersemail(at)gmail.com (billhuntersemail(at)gmail.com)> wrote:

 	  Quote: 	
		  

I am wiring a Dual Alternator Dual Battery system and I have a question about the starter curcuit.  

Naturally the only starter CB will be on one system bus and the question is what if that side battery is completely dead...if the second battery is still charged and I tie the bus would the second battery have sufficient power available to close the starter solenoid and start the engine?  

I know there is a discussion in the AEC about the dead battery not drawing down the good battery due to the 13.5 volts required to charge a battery but I was wondering about the starter circuit.  

Bill Hunter

- The Matronics AeroElectric-List Email Forum -

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

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ceengland7(at)gmail.com
Guest

Posted: Fri Apr 22, 2016 12:41 pm Post subject: Starter Circuit For DADB

Apples to apples to apples; in all       cases you're just paralleling two batteries.

       

       Draw the diagrams, and visualize all the connecting wires as       having zero length. (Obviously not reality, but will show you the       electrical circuit comparison.)

       

       Charlie

       On 4/22/2016 2:57 PM, William Hunter wrote:

     

      	  Quote: 	
		         

I've never used a jump start pack... always used         jumper cables and running car.        

I will be running two Optima batteries so it will be         a few steps above the jump start pack.        

Bill Hunter       On Apr 22, 2016 14:08, "Charlie England"         <ceengland7(at)gmail.com (ceengland7(at)gmail.com)>         wrote:          	  Quote: 	
		             If you're tying the buses (and effectively, the             batteries), then it's electrically the same as 'jump             starting' your car using an external jump start pack.

           

             On Fri, Apr 22, 2016 at 12:31 PM,               William Hunter <[url=mailto:billhuntersemail(at)gmail.com]billhuntersemail(at)gmail.com (billhuntersemail(at)gmail.com)[/url]>               wrote:

                	  Quote: 	
		                   

I am wiring a Dual Alternator Dual Battery                   system and I have a question about the starter                   curcuit.                  

Naturally the only starter CB will be on                   one system bus and the question is what if that side                   battery is completely dead...if the second battery is                   still charged and I tie the bus would the second                   battery have sufficient power available to close the                   starter solenoid and start the engine?                  

I know there is a discussion in the AEC                   about the dead battery not drawing down the good                   battery due to the 13.5 volts required to charge a                   battery but I was wondering about the starter circuit.                                  

Bill Hunter

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Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

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billhuntersemail(at)gmail
Guest

Posted: Fri Apr 22, 2016 1:48 pm Post subject: Starter Circuit For DADB

Thanks Charlie

 

..

 

Cheers!!!

 

Bill  Hunter

 

From: owner-aeroelectric-list-server(at)matronics.com [mailto:owner-aeroelectric-list-server(at)matronics.com] On Behalf Of Charlie England

Sent: Friday, April 22, 2016 12:01 PM

To: aeroelectric-list(at)matronics.com

Subject: Re: Starter Circuit For DADB

 

If you're tying the buses (and effectively, the batteries), then it's electrically the same as 'jump starting' your car using an external jump start pack.



 

On Fri, Apr 22, 2016 at 12:31 PM, William Hunter <billhuntersemail(at)gmail.com (billhuntersemail(at)gmail.com)> wrote: 	  Quote: 	
		  

I am wiring a Dual Alternator Dual Battery system and I have a question about the starter curcuit. 

Naturally the only starter CB will be on one system bus and the question is what if that side battery is completely dead...if the second battery is still charged and I tie the bus would the second battery have sufficient power available to close the starter solenoid and start the engine? 

I know there is a discussion in the AEC about the dead battery not drawing down the good battery due to the 13.5 volts required to charge a battery but I was wondering about the starter circuit. 

Bill Hunter

- The Matronics AeroElectric-List Email Forum -

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

http://www.matronics.com/Navigator?AeroElectric-List

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