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Catalina/Capri 25/250 Sailor's Forums

General Sailing Forum

Nissan 9.9

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jtbarrett
1st Mate

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USA
60 Posts

Initially Posted - 01/23/2006 : 16:08:20

Well..

I did it. I bit the bullet and bought a 2006 Nissan 9.9. My question is what are you guys using for battery power. The Nissan instructions never showed a 2 battery setup. Would it hurt the moter if I used that setup. Also type of batteries help would be useful.

thanks..
Jonathan T Barrett
'82 Sk SR #3047

Edited by - on

tinob
Master Marine Consultant

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USA
1883 Posts

Response Posted - 01/23/2006 : 16:31:40

Congratulations Jonathan, It's a fine little motor and can be powered by most 12 volt batteries. I have two deep cycle Cosco batteries running through a Guest multi switch on board. When I was breaking the motor in in the garage I had it in a plastic water pail and hooked to a garage all purpose 12 volt battery. Started right up and purred like a kitten, very quiet also. Relaitively vibration free as compared to the two stroke motor it was replacing. I hope you find it satisfactory also.

Val on the hard DAGNABIT # 3936 Patchogue, N.Y.

Edited by - on

Tom Potter
Master Marine Consultant

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USA
1913 Posts

Response Posted - 01/23/2006 : 17:40:37

Hi Jonathan, I have my motor connected to 2 deep cycle 27 series batteries hooked up in <s>series</s> parallel with no battery switches, just positive to positive and negative to negative. You'll be okay hooking up to either a one battery system or a 2 battery system, just as long as its 12 volt.

Edited by - Tom Potter on 01/23/2006 18:14:01

dlucier
Master Marine Consultant

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Virgin Islands (United Kingdom)
7583 Posts

Response Posted - 01/23/2006 : 17:47:42

<blockquote id="quote">quote:<hr height="1" noshade id="quote">Originally posted by tompotter
 Hi Jonathan, I have 2 deep cycle 27 series batteries hooked in series with no battery switches, just positive to positive and negative to negative.<hr height="1" noshade id="quote"></blockquote id="quote">

Tom,

Positive to positive, negative to negative would mean they're in parallel, right? Two 12's in series would yield 24v.

Edited by - dlucier on 01/23/2006 17:48:24

Tom Potter
Master Marine Consultant

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USA
1913 Posts

Response Posted - 01/23/2006 : 18:09:18

oops,

its been a long day, yes parallel.

Edited by - Tom Potter on 01/23/2006 18:09:33

atgep
Master Marine Consultant

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1009 Posts

Response Posted - 01/23/2006 : 19:31:59

Just two bits of caution

1. Do not ever switch the batteries while the engine is running.
2. Always have a battery hooked up.

I have mine directly wired to my double bank of batteries. My big red guest switch is wired to act like a master switch for the boat. My Batteries are wired in parallel.

Tom.

Edited by - atgep on 01/23/2006 19:32:32

Dave Bristle
Master Marine Consultant

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Djibouti
10005 Posts

Response Posted - 01/23/2006 : 22:30:14

Interesting... I recall reading in several places that I shouldn't hook up batteries in parallel--that if one goes bad, it will take out the other, and that charging both together doesn't work well.

Leon?? (...or somebody??)

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atgep
Master Marine Consultant

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1009 Posts

Response Posted - 01/23/2006 : 22:46:29

I picked up 2 new batts that had the same date of mfg. It has worked well for a year now.

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Ben
Master Marine Consultant

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USA
1234 Posts

Response Posted - 01/24/2006 : 10:00:42

I use a single group 24 marine battery and it worked well with no problems last year. Granted, I didn't use the battery for very much other than starting. Also, I never had to use my solar charger once last year, likely because I was running the engine a lot to burn through some break-in time, which always kept the battery full. I did, however, check the water level frequently, and had to add water once, I think.

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Frank Hopper
Past Commodore

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Pitcairn Island
6776 Posts

Response Posted - 01/24/2006 : 13:54:30

<blockquote id="quote">quote:<hr height="1" noshade id="quote">Originally posted by Dave Bristle
 Interesting... I recall reading in several places that I shouldn't hook up batteries in parallel--that if one goes bad, it will take out the other, and that charging both together doesn't work well.

Leon?? (...or somebody??)
<hr height="1" noshade id="quote"></blockquote id="quote">

They are always hooked up in parallel, (or isolated, but even then it would most often be two in parallel and a third isolated). The dual battery switches only have one common terminal but they have two hot terminals. Series would double the volts, parallel doubles the amps, that is a good thing. I think that sometimes esoteric circumstances generate nuanced information that is propogated as a generalization which manifests as a maritime myths, (aka urban legends). If I had a problem with one battery I would replace it, not redesign my electrical system.

Edited by - on

Tom Potter
Master Marine Consultant

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USA
1913 Posts

Response Posted - 01/24/2006 : 20:21:30

I believe people have problems with the parallel system when they hook an old battery with a new battery or mix different size battery's, i.e. a 24 with a 31 etc. Also its good to keep your jumper wires as short as possible.

Edited by - on

Dave Bristle
Master Marine Consultant

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Djibouti
10005 Posts

Response Posted - 01/24/2006 : 21:59:00

<blockquote id="quote">quote:<hr height="1" noshade id="quote">Originally posted by fhopper@mac.com
 They are always hooked up in parallel, (or isolated, but even then it would most often be two in parallel and a third isolated). The dual battery switches only have one common terminal but they have two hot terminals.
<hr height="1" noshade id="quote"></blockquote id="quote">
I understand that the A-B-Both switch puts the batteries into parallel when on the Both setting--what I question is connecting them directly to each other in parallel. I've been led to believe (maybe a "marine myth") that the A-B-Both switch should generally be on A or B, and not left on Both, so as not to leave the batteries connected together--including while charging. I guess I'd better buy "The 12-Volt Bible" for the straight story.

Edited by - on

Frank Hopper
Past Commodore

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Pitcairn Island
6776 Posts

Response Posted - 01/24/2006 : 22:21:47

hey dave,
I am sure the bible will take a position on the subject. As usual, where and how you sail makes a lot of difference. For we lake sailors amps is the deal, amps equals unlimited toys on the water and we are never more than a few minutes away from a charge. I have left the switch on "both" on my last 4 keel boats. I have never run a battery down and never had to replace a battery. I do always put new ones in a boat when I get one and have never had the same boat longer than 4 years. let me know what the bible says so I know if I am a rebel, too lazy to use the knob, or just full of crap.

later

Edited by - on

dlucier
Master Marine Consultant

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Virgin Islands (United Kingdom)
7583 Posts

Response Posted - 01/25/2006 : 09:25:32

<blockquote id="quote">quote:<hr height="1" noshade id="quote">Originally posted by Dave Bristle
 --what I question is connecting them directly to each other in parallel. I've been led to believe (maybe a "marine myth") that the A-B-Both switch should generally be on A or B, and not left on Both, so as not to leave the batteries connected together--including while charging...<hr height="1" noshade id="quote"></blockquote id="quote">

Dave,...For years, the Advisor at West Marine has recommended exactly what you have said concerning not leaving the switch on the BOTH setting. As a matter of fact, West Marine recommends NOT using a traditional OFF-1-BOTH-2 battery switch.

Check out this article from the West Advisor titled, "[url="http://www.westmarine.com/webapp/wcs/stores/servlet/westadvisor/10001/-1/10001/creatingabatterysystem.htm"]Creating a Reliable Battery System[/url]".

Edited by - on

osmepneo
Past Commodore

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USA
1420 Posts

Response Posted - 01/25/2006 : 09:57:22

I'm basically lazy!

I have two separte "systems" - one for the internal power and the other for the outboard. Works for me.

Edited by - osmepneo on 01/26/2006 09:53:51

osmepneo
Past Commodore

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USA
1420 Posts

Response Posted - 01/25/2006 : 09:58:57

BTW, Jonathan, I think you'll like the new ob. I have a Nissan 9.8 2 stroke, about the last available and I love, . . ., well I like it alot.

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tinob
Master Marine Consultant

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USA
1883 Posts

Response Posted - 01/25/2006 : 11:26:40

Hi Don,

Does your Nissan two stroke share the tilt problems of its four stroke brothers ?

Val on the hard DAGNABIT # 3936 Patchogue, N.Y.

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osmepneo
Past Commodore

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USA
1420 Posts

Response Posted - 01/25/2006 : 12:28:34

Until I figured out how it works, yes. And, then every time I sail again I need retraining. Not sure if that's the ob or the operator.

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tinob
Master Marine Consultant

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USA
1883 Posts

Response Posted - 01/26/2006 : 09:28:56

OB/OP

I go through the same retracing of steps each new season. Using different colored lines helps somewhat. But then I come to the raising of the head sail on its furler. There was a time when picking the right groove to raise the sail on resulted invariably in the wrong choice being made.

Dang senior moments!

Got that one under control now.

Val on the hard DAGNABIT # 3936 Patchogue, N.Y.

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