Today's Message Index:
----------------------
1. 02:31 AM - off topic - my car radio is driving me nuts !! (Tony Babb)
2. 04:25 AM - Re: off topic - my car radio is driving me nuts !! (Trampas)
3. 08:43 AM - Re: Ground Com Switch (jamesbaldwin@attglobal.net)
4. 11:37 AM - Re: off topic - my car radio is driving me nuts !! (Eric M. Jones)
5. 03:27 PM - Turn Coordinator wiring info. (WHigg1170@aol.com)
6. 07:09 PM - Narco Nav-121 Needle Dead (N27160@aol.com)
7. 08:44 PM - Battery Vs bench power supply (Rick Fogerson)
8. 08:57 PM - Transponder arial location (Rick Fogerson)
Message 1
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| Subject: | off topic - my car radio is driving me nuts !! |
--> AeroElectric-List message posted by: "Tony Babb" <tonybabb@alejandra.net>
I have had a problem with my car radio for the past several weeks and it's driving
me nuts.
Symptons: there's a clicking sound coming from it, sounds like about 4-5 clicks
a second. There is no clicking with the engine turned off, the noise starts when
the engine starts and stops when the engine stops, however the speed of clicking
does not vary with engine revs. The volume of the clicks is not affected
by the volume control, when I turn the volume way down so I can't hear the radio
station I still hear the clicks at the same volume. I hear the clicks on
AM and FM. The clicks always come from the right rear speaker. The car is fiberglass
(Corvette).
The problem started a few weeks ago and I found that if I turned the radio off
and then on again the clicks went away, sometimes I had to turn it off and on
a couple of times. Now the clicking sound is always there.
Do any of you radio gurus have a suggestion as to where I should start looking?
Thanks all,
Tony
Message 2
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| Subject: | off topic - my car radio is driving me nuts !! |
--> AeroElectric-List message posted by: "Trampas" <tstern@nc.rr.com>
Loose wire?
Regards,
Trampas
-----Original Message-----
From: owner-aeroelectric-list-server@matronics.com
[mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of Tony Babb
Subject: AeroElectric-List: off topic - my car radio is driving me nuts !!
--> AeroElectric-List message posted by: "Tony Babb"
<tonybabb@alejandra.net>
I have had a problem with my car radio for the past several weeks and it's
driving me nuts.
Symptons: there's a clicking sound coming from it, sounds like about 4-5
clicks a second. There is no clicking with the engine turned off, the noise
starts when the engine starts and stops when the engine stops, however the
speed of clicking does not vary with engine revs. The volume of the clicks
is not affected by the volume control, when I turn the volume way down so I
can't hear the radio station I still hear the clicks at the same volume. I
hear the clicks on AM and FM. The clicks always come from the right rear
speaker. The car is fiberglass (Corvette).
The problem started a few weeks ago and I found that if I turned the radio
off and then on again the clicks went away, sometimes I had to turn it off
and on a couple of times. Now the clicking sound is always there.
Do any of you radio gurus have a suggestion as to where I should start
looking?
Thanks all,
Tony
Message 3
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| Subject: | Re: Ground Com Switch |
--> AeroElectric-List message posted by: jamesbaldwin@attglobal.net
My experience with a ground com switch was in a turbine aircraft where
it was used to power the number 1 com radio. It was used to obtain the
ATIS, get clearances, monitor the company freq, etc. You didn't have
to turn the master on so it was a simple single throw switch wired to
the hot battery bus.
Art/Sue Bertolina wrote:
>--> AeroElectric-List message posted by: "Art/Sue Bertolina" <artbertolina@earthlink.net>
>
>can anyone explain a ground com switch, how it is used
>and the type of switch to purchase and a wiring diagram
>Thanks
>Art Bertolina
>
>
>
>
Message 4
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| Subject: | RE: off topic - my car radio is driving me nuts !! |
--> AeroElectric-List message posted by: "Eric M. Jones" <emjones@charter.net>
>From: owner-aeroelectric-list-server@matronics.com
>[mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of Tony
Babb
--> AeroElectric-List message posted by: "Tony Babb"
<tonybabb@alejandra.net>
>clicking 4-5 clicks a second. no clicking with the engineoff, the
>speed of clicking does not vary with engine revs.
>The volume of the clicks not affected by the volume control
>clicks on AM and FM.
>clicks always come from the right rear
>speaker.
>Tony
Procedure:
Swap right and left rear speakers (or replace right rear).
If clicks follow speaker--The speaker is bad (hope it's that).
If not, the wiring to the radio output or the output channel is bad--usually
a leaky capacitor in the output stage.
Eric
Message 5
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| Subject: | Turn Coordinator wiring info. |
--> AeroElectric-List message posted by: WHigg1170@aol.com
Hello IM ready to wire up my RC Allen turn coordinator and i don't have a
wire diagram for it. the T/C has the three pin connection on the back (Amphenol
MS3106A10SL-3S)
The turn coordinator is a RCA82A-11. The Pins on the Amphenol Connector are
marked A-B and C any help would be appreciated. Thanks
Bill Higgins
Pembroke Ma
Message 6
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| Subject: | Narco Nav-121 Needle Dead |
--> AeroElectric-List message posted by: N27160@aol.com
I have a Narco Nav 121. Receives ok, To/From Flag works, but the needle
doesnt move off center. Any advice? (Other than garbage can?)
Message 7
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| Subject: | Battery Vs bench power supply |
--> AeroElectric-List message posted by: "Rick Fogerson" <rickf@cableone.net>
Hi Bob and listers,
I'm ready to smoke test the wiring and was planning on buying a power supply but
I hate to spend $80 for something I'm going to use once. I have a fairly simple
day vfr panel with dual batterys that I plan to just replace one per year
so I've always got a fresh battery plus one that is only 1 to 2 years old.
So I'm thinking of just buying a new battery now and using it to check out the
system. A year or so when I'm ready to fly I'll buy another new one and I'll
begin my planned rotation of batterys. Is there any reason that this won't be
as effective a way to smoke test the system as with a power supply?
Thanks for your opinion,
Rick Fogerson
RV3 wiring
Boise, ID
Message 8
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| Subject: | Transponder arial location |
--> AeroElectric-List message posted by: "Rick Fogerson" <rickf@cableone.net>
Hi Bob,
I've got a xpdr arial question for you. I have installed that little 3 inch long
arial with a ball (B&C) belly just aft of the firewall between the exhaust
pipes. The arial would be shielded some in the forward direction by the portion
of the lower cowl where cooling air exits and the exhaust pipes emerge from
the engine compartment. That wasn't a problem when I was going to install the
standard frp cowl but now I thinking of trying to build an aluminum cowl. How
much of a problem do you think this would be?
Thanks,
Rick Fogerson
RV3
Boise, ID
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