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Go Back   SailNet Community > On Board > Gear & Maintenance > 1989 Hunter 40 - A million questions.
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Thread: 1989 Hunter 40 - A million questions. Reply to Thread
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Topic Review (Newest First)
2 Days Ago 10:30 AM
smackdaddy
Re: 1989 Hunter 40 - A million questions.

Cool - thanks Miti.
2 Days Ago 04:34 AM
mitiempo
Re: 1989 Hunter 40 - A million questions.

The shunt goes in the negative wire right after the house bank negative post. You are showing the shunt in the positive.

There should be only 2 positive wires on the ACR - start battery positive and house battery positive. You show 4.

Best to wire your house batteries into one permanent bank. It both makes wiring/use simpler and the batteries will last longer.
2 Days Ago 09:10 PM
smackdaddy
Re: 1989 Hunter 40 - A million questions.

Okay - so another nitpicky detail. As you can see in the following diagram (which needs to be updated since I've added the new batteries and the new shunt) - I have 2 "system" negatives running out forward and aft. One runs from House Bank 1, forward into a conduit toward the engine. The other runs from House Bank 2, aft into the generator compartment but I'm not sure where it terminates:



Any ideas?

Also - Faster, to my understanding, the "Main Battery" in that diagram above is for the entire house bank. The Aux Battery is the starter.

(PS - Thanks Ralph. Maine's articles are gold. I now understand about "jumping the shunt" - and I assume the negative running toward the engine is the system ground - and the one running aft toward the generator space is the panel ground. But I'm just wanting some assurance as I don't want to screw this up.)
3 Days Ago 01:10 PM
RTB
Re: 1989 Hunter 40 - A million questions.

I'm terrible at explaining stuff. I guess you've already read this? - Installing A Battery Monitor Photo Gallery by Compass Marine How To at pbase.com

Ralph
3 Days Ago 11:12 PM
mitiempo
Re: 1989 Hunter 40 - A million questions.

Faster is correct. Any loads connected between the shunt and the battery do not get counted.
3 Days Ago 09:23 PM
Faster
Re: 1989 Hunter 40 - A million questions.

The shunt has to be in series with your system loads.. I'd wire it exactly as shown. Leaving the existing ground strap in place would short out the shunt, methinks. Looks like the shunt is only going to track usage on your 'main battery' (typically house bank) as drawn, and not the aux/starter - I believe that's how ours is wired as well.
4 Days Ago 04:52 PM
smackdaddy
Re: 1989 Hunter 40 - A million questions.

Okay - I'm working on the LinkPro wiring and have a question. As you can see, the diagram has the "System Ground" coming directly into the shunt - then the negatives for the batteries coming from that shunt.



Do I literally need to take the system ground (which is currently on a battery) directly into the shunt? Or can I just run another extension from that same terminal over to the shunt and leave the system ground where it is?

Also, should I run the negative and positive from the same battery? Or split between the 2 batteries in the same bank? Or split between banks (negative to one of the batteries in one bank, and positibe to one of the batteries in the other bank)?

Thanks.
4 Days Ago 10:24 AM
smackdaddy
Re: 1989 Hunter 40 - A million questions.

Quote:
Originally Posted by chall03 View Post
...we figured being good cruisers we needed HF despite having the sat phone(with a reputable provider...
Yeah, you'd hate to have the fact that you RebelHearted on your Sailing CV.
4 Days Ago 07:58 AM
chall03
Re: 1989 Hunter 40 - A million questions.

Quote:
Originally Posted by smackdaddy View Post
I'm soon going to put together a blog post regarding all the money I've wasted on stuff I thought I'd need - or stuff I thought I could score a good deal on - but didn't for one reason or another. .
Yep.

My first Liferaft was a great bargain. $300 on Ebay. Recertification was $1300.
I told them to forget the recertification and then bought a new raft for $1700.
A lesson learn't for $300.

....and don't get me started on HF radios.

We had an old, poorly installed HF radio. It died. We never actually used it, but hey even though there is now some debate about their continued value we figured being good cruisers we needed HF despite having the sat phone(with a reputable provider ) and generally being in VHF range most of the time.

So several thousand $$$$ later I now have a new Icom, perfectly installed that we have used twice.
1 Week Ago 05:33 PM
smackdaddy
Re: 1989 Hunter 40 - A million questions.

Quote:
Originally Posted by Don0190 View Post
I've long decided that unless you have been out before and are CERTAIN of what you need that you should just cover the basics and get other things once you have proven to yourself it worth spending money on.
I'm not really that way. I want to prepare as best I can before I head out. I'd much rather have stuff I don't end up needing than be out there and not have stuff I need.

Quote:
Originally Posted by RTB View Post
Since you're in a "self torture" mode, what's still on your "to do" list, and "things to buy" list?

Ralph
Honestly, I think I'm in pretty good shape at this point. Over the next couple of visits I'll be working on the engine (changing oil, fuel filters, impeller, etc.). Then I also need to clean and lube the main sail track and a few other minor things.

All the major stuff is pretty much done from what I can see right now.
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