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  #1  
Old 11-08-2017, 07:52 AM
bluskydreamin bluskydreamin is offline
 
Join Date: Oct 2015
Location: midwest
Posts: 39
Default Dual B&C Voltage regulator install location

Getting ready to install both B&C VRs in the project. Anyone care to share where you mounted yours for ease of access down the road?

Thanks!
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  #2  
Old 11-08-2017, 09:46 AM
rvdave rvdave is offline
 
Join Date: Jun 2005
Posts: 248
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Behind the panel the first sub panel but wherever you mount it consider being able to adjust it if you have the adjustable version.
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  #3  
Old 11-08-2017, 10:40 AM
bruceflys bruceflys is offline
 
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Location: Ocala, FL (Leeward Air Ranch)
Posts: 91
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As my first subpanel was full, I placed two 3/4 X 3/4" angles fore-and-aft between the subpanel and the panel. The two VRs rest on and are attached to the angles with screws. B&C recommends vertical orientation, but to me solid state power electronics do not care which way they face.
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RV-10 - 8/16 project resumed after -12 completed
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  #4  
Old 11-08-2017, 04:27 PM
Richard Connell Richard Connell is offline
 
Join Date: Aug 2006
Location: Sydney Australia
Posts: 135
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Iíve been thinking about this a bit as well.
I have an 8yo flying RV7 which I built and also did a complete panel refresh around 4y ago. Iíve spent a lot of time maintaining and ďtinkeringĒ with it over this time so now that Iím building the 10 fuse I find myself continually assessing the build from a future maintenance perspective.
For example I have vowed that there will be nothing forward of the sub-panel on this plane.
I currently have a dual B&C alt setup and will likely replicate that in the 10.
Iím looking at all that space under the front row seats thinking it must be useful for all sorts of things. ADHRS / voltage regulators / busses etc.
Has anyone used this space like this? Super easy maintenance access it would appear at first glance.
Cheers
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  #5  
Old 11-08-2017, 05:42 PM
rocketman1988 rocketman1988 is offline
 
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Location: Sunman, IN
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Default And..

And your fuel line(s) run through there as well!
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  #6  
Old 11-08-2017, 09:41 PM
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vernon smith vernon smith is offline
 
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Location: Naples FL
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Default and

Yes, and it all co-mingles in the tunnel
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  #7  
Old 11-09-2017, 12:03 AM
Richard Connell Richard Connell is offline
 
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Location: Sydney Australia
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I hadnít considered the fact that there were fuel lines there.
After all there are plenty of places in the 7 where there is co-located
fuel lines and wiring.
At the margin though I can see more risk with having exposed terminals on a fuse block or the like than contiguous wires running through the area.
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  #8  
Old 11-09-2017, 06:50 AM
bluskydreamin bluskydreamin is offline
 
Join Date: Oct 2015
Location: midwest
Posts: 39
Default Location considerations

Thanks for the input guys. I was not considering the need to adjust voltage as I should have. The vertical mount suggestion from B&C may be a consideration for moisture / condensate dripping for the wiring.

The under seats location could be good real estate if your mounting components under the upper seat pan as long as you have a drip loop in the wiring.
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  #9  
Old 11-09-2017, 09:03 AM
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Bill Boyd Bill Boyd is offline
 
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Location: Landing field "12VA"
Posts: 935
Default Indeed

...and fairy neutral from a CG perspective, if you're obsessing about that sort of thing.
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  #10  
Old 11-09-2017, 10:57 AM
DRMA DRMA is offline
 
Join Date: Jan 2016
Location: Sugar Land, TX
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Quote:
Originally Posted by bruceflys View Post
. . . B&C recommends vertical orientation, but to me solid state power electronics do not care which way they face.
While the chip may not care, there may be a thermal cooling reason for the orientation. If there are heat sinks on any of the electronic devices, the orientation of the heat sink with regard to vertical can impact the ability of the heat sink to dissipate the surplus heat.

I'm not saying that is the case with the B&C regulators as I don't know if they have heat sinks, but it might be a reason for the orientation recommendation.
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Last edited by DRMA : 11-09-2017 at 10:59 AM. Reason: improved readability of sentence.
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