----------------------------------------------------------
                           AeroElectric-List Digest Archive
                                      ---
                     Total Messages Posted Mon 05/20/13: 4
           ----------------------------------------------------------
 
 
Today's Message Index:
----------------------
 
     1. 10:10 AM - Re: Z13/8 all electric airplane  (jonlaury)
     2. 12:13 PM - Re: Radio interference  (robintaylor)
     3. 12:37 PM - Re: Re: Radio interference  (Steve Sundquist)
     4. 06:46 PM - Re: Re: Radio interference  (Vern Little)
 
 
 
________________________________  Message 1  _____________________________________


Time: 10:10:28 AM PST US
Subject: AeroElectric-List: Re: Z13/8 all electric airplane
From: "jonlaury" <jonlaury@impulse.net>


[quote="Bob McC"]Jon;

Did you look at  schematic Z13/8 to see what is being discussed?? There is
no "field" associated with the AUX alternator as it's a PM type. ..

Bob McC


>  --


Both Bobs,
There's the disconnect :(
I parachuted into this thread with a bias toward a non-PM alternator backup because
that's what mine is and I'd used 13/8 as a foundation for my system.

Sorry for the confusion.

John


Read this topic online here:

http://forums.matronics.com/viewtopic.php?p=400995#400995


________________________________  Message 2  _____________________________________


Time: 12:13:13 PM PST US
Subject: AeroElectric-List: Re: Radio interference
From: "robintaylor" <robintaylor@airteccc.co.uk>


Hi Bob,
I have disconnected the audio output from the Skyviews and the noise goes away.
Thanks,
Robin


Read this topic online here:

http://forums.matronics.com/viewtopic.php?p=401001#401001


________________________________  Message 3  _____________________________________


Time: 12:37:58 PM PST US
From: Steve Sundquist <sttwig@gmail.com>
Subject: Re: AeroElectric-List: Re: Radio interference


Did you connect a ground wire to the case of the Skyview per their 
instructions toward the bottom of page 4-17: To minimize the possibility 
of audio humming, a 16 AWG wire may optionally be connected between 
the ground point for the intercom/audio panel/radio(s) and SkyView 
display case(s). To attach the wire to the SkyView display case, a 4-40 
x 3/16 long screw maybe be screwed into the threaded boss above the USB 
ports on the back of the SkyView display.

Steve

On 5/20/2013 12:12 PM, robintaylor wrote:
>
> Hi Bob,
> I have disconnected the audio output from the Skyviews and the noise goes away.
> Thanks,
> Robin
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=401001#401001
>
>


________________________________  Message 4  _____________________________________


Time: 06:46:58 PM PST US
From: "Vern Little" <sprocket@vx-aviation.com>
Subject: Re: AeroElectric-List: Re: Radio interference


I found a great reduction in SkyView noise by disconnecting pin 30 totally. 
Both my audio system and the SkyView power ground are connected to the same 
point.  Connecting pin 30 actually creates a ground loop in the system. 
It's easy to try it as long as your audio cables are grounded to the 
intercom end.  Connecting the case to ground may make the problem worse, 
depending on your wiring.

See details here: http://makerplane.org/forum/viewtopic.php?f=23&t=137

Thx,
Vern


-----Original Message----- 
From: Steve Sundquist
Sent: Monday, May 20, 2013 12:36 PM
Subject: Re: AeroElectric-List: Re: Radio interference


Did you connect a ground wire to the case of the Skyview per their
instructions toward the bottom of page 4-17: To minimize the possibility
of audio humming, a 16 AWG wire may optionally be connected between
the ground point for the intercom/audio panel/radio(s) and SkyView
display case(s). To attach the wire to the SkyView display case, a 4-40
x 3/16 long screw maybe be screwed into the threaded boss above the USB
ports on the back of the SkyView display.

Steve

On 5/20/2013 12:12 PM, robintaylor wrote:
> <robintaylor@airteccc.co.uk>
>
> Hi Bob,
> I have disconnected the audio output from the Skyviews and the noise goes 
> away.
> Thanks,
> Robin
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=401001#401001
>
>


-----
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