Today's Message Index:
----------------------
1. 03:36 AM - radio gremlins.. (Mitchell M. Berger)
2. 06:07 AM - Handheld Radio Antenna (William Bernard)
3. 10:05 AM - Re: Problem with strobe help (HCRV6@aol.com)
4. 01:00 PM - Re: Problem with strobe help (capacitors going bad on shelf) (J. Oberst)
Message 1
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| Subject: | radio gremlins.. |
--> AeroElectric-List message posted by: "Mitchell M. Berger" <mberger@snet.net>
Had an interesting situation occur yesterday. While flying back to APF from SEF
found that I had no sidetone on either radio. Realized then that I had lost comm
on both. Both radios were powered up and the nav 1 was working fine as was
the transponder. Nav 2 has been intermittent lately and this may or may not be
related to this latest episode. (See below) Anyway, went on the portable comm
and returned uneventfully to home base. When I got back on the ground, of course,
both radios then worked flawlessly!! (Nav 2 problem still present though.)
My setup is a KX 175, (MAC1700 conversion) and a KX-170B wired into a KMA 20
audio panel. Push to talks on each yolk. (My copilot lost comm also, so I think
that might rule out a PTT problem but am not sure.) The audio panel was swapped
out recently because I was having NAV 2, problems. Seems like the NAV indicator
would work interemittently or not at all. Switched radios to isolate
the problem and the nav problem continued with the radios switched. So now I have
two problems: Intermittent Comm on both radios, and intermittent Nav 2. Nav
1 works fine during all problems as does the transponder. I have a feeling the
problem is in the connection(s) from the audio panel. Any suggestions for troubleshooting
would be appreciated. Please note, I have some basic electronics
knowledge but am not that sophisticated. As an alternative a reference to an
avionics shop in the Naples, FL area would be helpful. Best, Mitch Berger
Message 2
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| Subject: | Handheld Radio Antenna |
--> AeroElectric-List message posted by: "William Bernard" <billbernard@worldnet.att.net>
I'd like to install a handleld radio with the 'rubber ducky' antenna mounted near
the window. The radio will usually rest between the seats behind cockpit metal
sides and so might not work well.
Could I just put an aluminum angle on the side of the fuselage to hold a bulkhead
mount BNC connector, or would a more elaborate ground plane be required/desirable?
I'd like the radio to be removable to be usable as a hand held radio, so the antenna
needs to be available in the aircraft. The goal is to be able to use it
as a backup radio with a minimum of fuss and bother in the event of failure of
the panel mount radio.
Thanks in advance for the help.
Bill
Message 3
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| Subject: | Re: Problem with strobe help |
--> AeroElectric-List message posted by: HCRV6@aol.com
In a message dated 4/18/03 12:19:44 PM Pacific Daylight Time,
maximegou@hotmail.com writes:
<< please remove me from your list >>
You are wasting your time. If you want to be removed from this list go to
the bottom of the message and follow the UNSUBCRIBE instructions.
Do not archive
Harry Crosby
Pleasanton, California
RV-6, firewall forward
Message 4
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| Subject: | Re: Problem with strobe help (capacitors going bad |
on shelf)
--> AeroElectric-List message posted by: "J. Oberst" <joberst@cox-internet.com>
I have a model HDA-CF which hasn't been used for about 5 years. The factory
tech told me the same thing... no need for special handling, just fire it
up.
Jim Oberst
----- Original Message -----
From: "Canyon" <steve.canyon@verizon.net>
Subject: Re: AeroElectric-List: Problem with strobe help (capacitors going
bad on shelf)
> --> AeroElectric-List message posted by: Canyon <steve.canyon@verizon.net>
>
> David Carter wrote:
> >I bought Whelen tail strobe at Oshkosh 2001. Instructions had the bit
> >about
> >deterioration if not used for long period. I called tech supt and he
> >said
> >that was valid for older units but not valid now as they have changed the
> >capacitors inside. No longer a worry. No longer need periodic "use" in
> >shop on shop DC power supply to keep alive.
> ---
> Thanks for the update, David. That's much more in line with what I
> would have expected. I bet they learned that electrolytics was not the
> best choice for their application somewhere along the way. :-)
>
> Steve
>
>
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