Today's Message Index:
----------------------
1. 10:44 AM - Re: AeroElectric-List Digest: 16 Msgs - 06/12/07 (Stephen Reynolds)
2. 11:55 AM - Re: Re: AeroElectric-List Digest: 16 Msgs - 06/12/07 (Hinde, Frank George (Corvallis))
3. 12:56 PM - Re: Re: AeroElectric-List Digest: 16 Msgs - 06/12/07 (Matt Prather)
4. 02:06 PM - Re: SL-30 discontinued.....NOT (Buckaroo Banzai)
5. 09:35 PM - Regulator trouble? (Ed)
Message 1
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| Subject: | Re: AeroElectric-List Digest: 16 Msgs - 06/12/07 |
I am trying to connect a Icom A200 to a Garmin 347 Audio panel which also
has a GNS 430 connected. The Icom is Com 2.
So far the audio works fine but am a little confused with the mic. Pin 9 on
the Icom is a PTT. When I ground this pin the mic works fine. Obviously it
needs to pick up this ground via an output on the 347. I had been told pin
31 on the 347 but that is listed as Pilot ICS Key. Do I simply ignore the
Audio panel & parallel the grounds for all the PTT's?
Thanks in advance
Stephen Reynolds
RV7
Eugene Or
Message 2
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| Subject: | Re: AeroElectric-List Digest: 16 Msgs - 06/12/07 |
Thats easy...You get John to pre-wire it for you...:)
Frank
7a CVO
________________________________
From: owner-aeroelectric-list-server@matronics.com
[mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of
Stephen Reynolds
Sent: Wednesday, June 13, 2007 10:39 AM
Subject: AeroElectric-List: Re: AeroElectric-List Digest: 16 Msgs -
06/12/07
I am trying to connect a Icom A200 to a Garmin 347 Audio panel which
also has a GNS 430 connected. The Icom is Com 2.
So far the audio works fine but am a little confused with the mic. Pin 9
on the Icom is a PTT. When I ground this pin the mic works fine.
Obviously it needs to pick up this ground via an output on the 347. I
had been told pin 31 on the 347 but that is listed as Pilot ICS Key. Do
I simply ignore the Audio panel & parallel the grounds for all the
PTT's?
Thanks in advance
Stephen Reynolds
RV7
Eugene Or
Message 3
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| Subject: | Re: AeroElectric-List Digest: 16 Msgs - 06/12/07 |
Found the manual here:
http://www2.mstewart.net:8080/Downloads/GMA347_IM.pdf
Looks like it's Pin 30 on the GMA340 and pin 31 on the GMA347..
Pin 30 on the GMA347 is the Pilot Mic Return. At least that's how I read
the pinout.
I think you want to keep the PTT's separate. You want only one
transmitter transmitting at the same time, so you want to use the separate
mic keys, and you want voice signal to come from the correct mic input, so
need the input PTT's sorted properly too.
Regards,
Matt-
> I am trying to connect a Icom A200 to a Garmin 347 Audio panel which also
> has a GNS 430 connected. The Icom is Com 2.
>
> So far the audio works fine but am a little confused with the mic. Pin 9
> on
> the Icom is a PTT. When I ground this pin the mic works fine. Obviously it
> needs to pick up this ground via an output on the 347. I had been told pin
> 31 on the 347 but that is listed as Pilot ICS Key. Do I simply ignore the
> Audio panel & parallel the grounds for all the PTT's?
>
> Thanks in advance
> Stephen Reynolds
> RV7
> Eugene Or
>
Message 4
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| Subject: | SL-30 discontinued.....NOT |
Apparently I have not been communicating well in any of my emails this week!
While you are correct that a VFR GPS can be used for situational awareness during
IFR navigation. You properly point out that there are lots of methods to verify
the VFR GPS is giving accurate information. But I'll stand by my statement
that VFR GPS cannot be used as the primary means of IFR navigation.
My only reason for my first response was that there are still plenty of us using
VOR for primary IFR navigation, not just approaches, and I'd like to go on using
that method for quite some time to avoid a costly upgrade to my panel.
Greg
DO NOT ARCHIVE
Mike <mlas@cox.net> wrote:
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Greg,
First, most of us that fly real IFR more then once a year have IFR GPS systems.
Second, if you plan the trip with VOR and have a VFR GPS you can actually
fly real IFR with that GPS receiver as long as you verify your position. You
can verify you position using a verity of methods: VOR, NDB, INS, IRS, TACAN,
IFR LORAN, RADAR (ATC) or plain old reference to the ground if you are in VMC.
The key issue is planning not actual. So Greg I would say that you need to
brush up on your knowledge of IFR flying vs. IFR planning.
Mike
-----Original Message-----
From: owner-aeroelectric-list-server@matronics.com [mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of Buckaroo Banzai
Sent: Monday, June 11, 2007 10:10 AM
To: aeroelectric-list@matronics.com
Subject: RE: AeroElectric-List: SL-30 discontinued.....NOT
Lest the FAA get the wrong impression from your question, many of us still use
VORs for enroute navigation. At least, in the IFR system where a VFR GPS can't
legally be used for navigation.
Greg
Mike <mlas@cox.net> wrote:
Dean,
The SL-70 has been long discontinued. A final note to you is that the
last medical that you pass will have dust on it before the final ILS
system is decommissioned. So I think the Nav portion of you Nav/Com
will get use well into the future. Besides, other then approaches who
still continues to use VOR for enroute navigation today other then
backup?
Mike Larkin
-----Original Message-----
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| Subject: | Regulator trouble? |
Howdy,
The other day, the low volt light started flashing and I found the field
breaker popped. This is an LR3C with the notorious Van's 35 amp
alternator. I reset the breaker and about 5 minutes later, it popped
again. The voltage had been running about 14.6 which seemed a little
much so I reset it and turned on some lights. The voltage ran about 13.9
to 14 and the breaker didn't pop for quite a while. About the time I
thought that it was cool, the low volt light came on again, but this
time the breaker wasn't out. I turned off the master and flew another
hour and a half, including a stop for gas, and landed at Aurora. I found
a bit of hangar space and pulled the alternator. It had a lot of end
play and tested bad at the local auto parts place. I bought another one
at Van's - they tried to talk me out of it, but I didn't want to rewire
the airplane for the internally regulated unit a long way from home.
Hey, I would have happily spent the extra for the B&C alternator, but I
was in Aurora not Wichita.
It charges just fine, in fact it'll hold voltage at idle with lights on
which is more than the old one would do. It is also running at about
14.5 or .6 and the breaker has popped 3 times so far. The breaker resets
and the alternator runs fine for a while, but I'm wondering if I'll blow
up the new alternator, too. Do you think that the regulator is a bit
wonky? Is the voltage too high? Am I frying my battery? Is the
overvoltage module overactive?
Pax,
Ed Holyoke
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