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  #1  
Old 01-17-2018, 03:31 PM
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bkervaski bkervaski is offline
 
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Location: Birmingham, Alabama
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Default Garmin Ammeter Shunt .. where to mount?

G3X Touch folks .. where are you guys installing your Ammeter Shunt?
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#140376 RV-14A QB IO-390 Thunderbolt
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Progress: Engine and Fuel System Testing

Last edited by bkervaski : 01-17-2018 at 03:37 PM.
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  #2  
Old 01-17-2018, 04:11 PM
Nova RV Nova RV is offline
 
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Under battery. Seemed like a good place in between the alternator and the pass through for the wire without needing any crazy bends or turns. Remember you need 1amp fuses in each leg off the shunt to the G3X.
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  #3  
Old 01-17-2018, 05:40 PM
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bkervaski bkervaski is offline
 
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Quote:
Remember you need 1amp fuses in each leg off the shunt to the G3X.
Hmm.. what are you guys using for this? Just in-line fuses?
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  #4  
Old 01-17-2018, 06:05 PM
JDA_BTR JDA_BTR is offline
 
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Fusible link for me.... 20AWG for the signal wire with a 1-2" length of 24AWG at the shunt end. Reminds me I need to source some fiberglass sleeve....
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  #5  
Old 01-17-2018, 06:19 PM
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Thermos Thermos is offline
 
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Quote:
Originally Posted by Nova RV View Post
Under battery. Seemed like a good place in between the alternator and the pass through for the wire without needing any crazy bends or turns. Remember you need 1amp fuses in each leg off the shunt to the G3X.
+1, right next to the 60a ANL fuse.

HTH,

Dave
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RV-7 avionics, cowling, baffles
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  #6  
Old 01-18-2018, 07:22 AM
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Jared_Solomon Jared_Solomon is offline
 
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Location: Powder Springs, GA
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Default Here's my setup

Here's my setup. Garmin G3X shunt and ANL fuse. I used 24ga wire to make fuseable links.

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Powder Springs, GA
2018 Dues Paid
RV-14A (N214WJ) - Flying since Sept 2017
RV-7A (N211WJ) Flying since 2009 (SOLD)
RV-7A (N132RD) bought flying 2014 (SOLD)

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  #7  
Old 01-18-2018, 07:23 AM
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bkervaski bkervaski is offline
 
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@Jared_Solomon clean .. I like it! Thanks.
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  #8  
Old 01-18-2018, 07:28 AM
Nova RV Nova RV is offline
 
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Someone posted a link to small 1 amp fuses for electronics use, I think I got some from Digikey, they look like tiny resistors. I'm not using an ANL but a 60 amp CB in the cabin.

Digikey PN F2313-ND
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Last edited by Nova RV : 01-18-2018 at 07:34 AM. Reason: Add part #
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  #9  
Old 01-18-2018, 11:46 AM
n982sx n982sx is offline
 
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Location: Chicago, IL
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I have two shunts and current limiters since I have added a second alternator and power bus.

My primary shunt/limiter set up looks almost identical to Jared's post above.

I'm posting this image of my second shunt/limiter to show the fusible links I used instead of inline or panel mounted fuses. I had a bunch on hand left over from my first aircraft build. One amp inline fuses would work just as well.

The second set of contactors are for a ground power bus and to crossfeed my two power buses together. All straight out of the Aeroelectric book.

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