Complex systems that are not fully understood may not be something one should use, or more especially, be dependent on.
“. . . you need access to the alternator. My water pump impeller . . .” Ships batteries and the engine may be where fate is seeking adventure, so Newman’s advice is outstanding IMHO. John Kirkman From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of Don Newman via CnC-List Sent: Monday, March 02, 2015 8:17 AM To: Edd Schillay; cnc-list@cnc-list.com Subject: Re: Stus-List Alternator Output Question Ed I highly recommend installing an access hatch on the fourth side. It will save your bacon some day when you need access to the alternator. My water pump impeller is on the same side and adding that hatch eliminated impeller rage. Don Newman C&C 44 905 547 1750 On Mar 1, 2015, at 13:21, Edd Schillay via CnC-List <cnc-list@cnc-list.com> wrote: Listers, As you know, I'm planning a rewire to a house and starting battery configuration. On the C&C 37+, I have access to three sides of the engine -- the only side without access is the side with the starter and the alternator. >From the diagrams I can find, the alternator output is connected to the >starter, which then runs back to the batteries. I understand the best practice >is to disconnect that wire (as well as the Orange one) and run a new wire from >the alternator output to the house bank. This would mean removing, rewiring, and reattaching the alternator, which is a little out of my comfort zone given the access. I recently read on a forum that if you have an ACR instead of an Echo charger (planning to have an ACR), then you can leave the setup as is. The charge from the alternator would go to the starting battery and then, through the ACR, charge the house bank. The ACR auto senses from each side and works both ways. My starter battery and house bank will be the same chemical make-up (Trojan flooded). I've read that it's a "best practice" to run the charging to the biggest bank, but can't find any explanation as to why. So, the question is, with the ACR, can I leave the alternator output as is or do I really need to do some "engine surgery" to run a new cable? And if the latter, why can't the system work the way that the ACR advertises? All the best, Edd ------------------------------- Edd M. Schillay Starship Enterprise NCC-1701-B C&C 37+ | City Island, NY www.StarshipSailing.com ------------------------------- 914.332.4400 | Office 914.774.9767 | Mobile ------------------------------- Sent via iPhone 6 iPhone. iTypos. iApologize _______________________________________________ Email address: CnC-List@cnc-list.com To change your list preferences, including unsubscribing -- go to the bottom of page at: http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com
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