Today's Message Index:
----------------------
1. 06:02 AM - GX60 internal battery - 2nd attempt (Ralph E. Capen)
2. 06:18 AM - Re: GX60 internal battery - 2nd attempt (Marvin Dupree)
3. 10:13 AM - Re: AeroElectric-List: GX60 internal battery (Ralph E. Capen)
4. 11:42 AM - Blue Mountain EFIS (Peter Lythall)
5. 12:12 PM - Re: Blue Mountain EFIS (longg@pjm.com)
6. 06:01 PM - What We Are Thankful For... (Matt Dralle)
7. 06:21 PM - RF Radiation (Paul McAllister)
8. 07:08 PM - Re: RF Radiation (Doug McNutt)
9. 08:44 PM - Re: RF Radiation (John Rippengal)
Message 1
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| Subject: | GX60 internal battery - 2nd attempt |
--> Avionics-List message posted by: "Ralph E. Capen" <recapen@earthlink.net>
Noone responded on the first attempt
Fellow listers,
I am getting an error message stating that my internal battery needs service in
my GX60. The unit continues to function - I just have to press the msg button
every few minutes.
This only started since I upgraded the datacard - that may be coincidental though.
Anyone else seen this? Is it home-repairable...with the correct battery? I have
done some miniature soldering so I could probably do it......
The archives show some of the portable units needing a similar repair - being done
by the owner. Sure would save some RV gas money!
Thanks,
Ralph Capen
Message 2
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| Subject: | Re: GX60 internal battery - 2nd attempt |
--> Avionics-List message posted by: Marvin Dupree <97corvette@cox.net>
my experience with changing an internal battery in my panel mounted
gps was good. i did talk with the factory service people and they
told me that the battery MUST be changed by them or it would not be
legal to use the gps in an airplane. they wanted $250 minumum
charge to change the battery. i bought one from radio shack and
installed it. costs about 5 bucks and works fine. it's your
call..... if you can do the job and if you want to. good luck.
marvin p.s. if you want more details, e-mail me direct
<97corvette@cox.net>
On Nov 23, 2005, at 8:01 AM, Ralph E. Capen wrote:
> --> Avionics-List message posted by: "Ralph E. Capen"
> <recapen@earthlink.net>
>
> Noone responded on the first attempt
>
>
> Fellow listers,
>
> I am getting an error message stating that my internal battery
> needs service in my GX60. The unit continues to function - I just
> have to press the msg button every few minutes.
>
> This only started since I upgraded the datacard - that may be
> coincidental though.
>
> Anyone else seen this? Is it home-repairable...with the correct
> battery? I have done some miniature soldering so I could probably
> do it......
>
> The archives show some of the portable units needing a similar
> repair - being done by the owner. Sure would save some RV gas money!
>
> Thanks,
> Ralph Capen
>
>
Message 3
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rvlist@matronics.com, rv6-list@matronics.com
| Subject: | Re: AeroElectric-List: GX60 internal battery |
--> Avionics-List message posted by: "Ralph E. Capen" <recapen@earthlink.net>
Just called Garmin-AT - got lucky.....
There is a difference between dead battery and needs service....the needs service
indicates that the unit is charging the battery and could vent into the system.
If the battery was dead I would have gotten a different error message.
According to the service technician......
Good news is that since my airplane has not flown - it is still covered by warranty...great
- allows me to test prior to first flight.
Ralph Capen
RV6A N822AR N06 90% 90%
-----Original Message-----
From: "Ralph E. Capen" <recapen@earthlink.net>
Subject: AeroElectric-List: GX60 internal battery
--> AeroElectric-List message posted by: "Ralph E. Capen" <recapen@earthlink.net>
Fellow listers,
I am getting an error message stating that my internal battery needs service in
my GX60. The unit continues to function - I just have to press the msg button
every few minutes.
This only started since I upgraded the datacard - that may be coincidental though.
Anyone else seen this? Is it home-repairable...with the correct battery? I have
done some miniature soldering so I could probably do it......
The archives show some of the portable units needing a similar repair - being done
by the owner. Sure would save some RV gas money!
Thanks,
Ralph Capen
Message 4
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| Subject: | Blue Mountain EFIS |
--> Avionics-List message posted by: "Peter Lythall" <peter@nortech.bc.ca>
Hello,
I have sorted out my engine requirements and am now planning out my panel. I
have reviewed the Blue Mountain EFIS as well as the Dynon D100. I like the
size and definition of the BM however, the idea of having a Garmin 430,
D100, and a separate EIS sounds like it may be a better idea given that
there are now 3 separate parts as opposed to one. If you have any thoughts
on this I want to spec my panel for IFR - Canadian. There seems to be some
difference between the US and CDN side of things. However, Maurice at
Transport Canada did tell me that according the Canadian Regs we do not
require TCO instruments in the Experimental type aircraft. Any thoughts or
reviews would be appreciated.
Peter Lythall
RV7
Message 5
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| Subject: | Blue Mountain EFIS |
--> Avionics-List message posted by: longg@pjm.com
If you go with Chelton's budget EFIS and at least 1-430, you've covered the
bases. I would include an external CDI and slave it to the Chelton. You can also
slave your radios to the Chelton, so even if they are external, the Chelton acts
like a 430. If you eliminate the silly vacuum items (Chelton) and drop in an
electric attitude and turn coordinator, you've got 99% of a great IFR platform.
Don't get stuck on the Blue Mountain or D100 unless $$$ or CN's are a real
issue. There are many EFIS platforms available.
-----Original Message-----
From: owner-avionics-list-server@matronics.com
[mailto:owner-avionics-list-server@matronics.com] On Behalf Of Peter Lythall
Subject: Avionics-List: Blue Mountain EFIS
--> Avionics-List message posted by: "Peter Lythall"
--> <peter@nortech.bc.ca>
Hello,
I have sorted out my engine requirements and am now planning out my panel. I
have reviewed the Blue Mountain EFIS as well as the Dynon D100. I like the size
and definition of the BM however, the idea of having a Garmin 430, D100, and a
separate EIS sounds like it may be a better idea given that there are now 3
separate parts as opposed to one. If you have any thoughts on this I want to
spec my panel for IFR - Canadian. There seems to be some difference between the
US and CDN side of things. However, Maurice at Transport Canada did tell me that
according the Canadian Regs we do not require TCO instruments in the
Experimental type aircraft. Any thoughts or reviews would be appreciated.
Peter Lythall
RV7
Message 6
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| Subject: | What We Are Thankful For... |
--> Avionics-List message posted by: Matt Dralle <dralle@matronics.com>
Dear Listers,
In the United States, Thursday is our National day of Thanksgiving. Many of us
will be traveling to be with our families and friends and share in generous feasts
of plenty.
Many have expressed over the last couple of weeks how thankful they are for the
Aviation Lists here on the Matronics servers and for all of the assistance and
comradery they have experienced being a part of the Lists. I think one of my
favorite comments is when someone says something like, "Its the first thing
I do in the morning while I'm having my morning coffee!". That's a wonderful
tribute to the purpose and function of these Lists. Its always great to hear
I'm not the only one that jumps out of bed each morning to check my List email!!
I'm not sure why, but the number of Contributions have been a little low this year
compared to years past. Hopefully people are just waiting until the last
minute to make their List Support Contribution this year.
Won't you take a minute today and show your appreciation for these Lists and for
their continued operation and upgrade? Don't make me beg... :-) lol
The List Contribution Site is:
http://www.matronics.com/contribution
Thanks to everyone that already made their Contribution!
Matt Dralle
Matronics Email List Administrator
Matt G Dralle | Matronics | PO Box 347 | Livermore | CA | 94551
925-606-1001 V | 925-606-6281 F | dralle@matronics.com Email
http://www.matronics.com/ WWW | Featuring Products For Aircraft
do not archive
Message 7
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--> Avionics-List message posted by: "Paul McAllister" <paul.mcallister@qia.net>
Hi guys,
I am looking for a few ideas. I have a fiberglass aircraft I am having problems
with RF getting into systems and causing problems.
The first area is headsets, I couldn't get my Lightspeeds to work properly. Lightspeed
acknowledged that there can be problems and offered to modify the battery
box. That improved things, but from time to time I still have problems.
The next on the list is my Navaid. Despite following Navaids suggestion of disabling
the Navaid whenever the PTT is pressed I still have issues, if I transmit
for long enough it will still swing over to a 30 degree bank which is a real
pain if I am flying in IFR conditions.
The latest trick is my intercom. Occasionally when I transmit I will get a stuck
mike. I called the manufacturer and managed to speak to the design engineer.
He acknowledged that is there is enough RF present then this could happen.
The company are currently working with me to resolve the issue.
So..... does anyone have any ideas. I have a GX60 as my nav / com and the antenna
(which is a Bob Archer) is buried in the tail. I have a single point ground
on the firewall.
Paul
Message 8
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| Subject: | Re: RF Radiation |
--> Avionics-List message posted by: Doug McNutt <douglist@macnauchtan.com>
At 20:18 -0600 11/23/05, Paul McAllister wrote:
>I am looking for a few ideas. I have a fiberglass aircraft I am
>having problems with RF getting into systems and causing problems.
>
> I have a single point ground on the firewall.
Single point grounds are for audio stuff. Connecting an RF device, an
antenna, to that ground through a long wire or the shield of a piece
of co-ax isn't very good because the inductive reactance of the long
conductor is high at radio frequency. It's like connecting to ground
through a resistor.
Check the standing wave ratio of your antenna with the transmitter
being used. It may need a ground plane, or does the Bob Archer device
not need one? Some kind of balanced full dipole might be appropriate.
Be sure your co-ax is good stuff. RG58 with its polyethylene
insulation and not so perfect braid may have bad spots, especially if
it makes anything like a sharp corner. 400RG teflon stuff might
improve things. It has two silver-plated shield layers. Twinax is
another idea. The shield for that carries no current if it's balanced
correctly but you would be on your own to find a transmitter that
supports that kind of connection.
In the vacuum tube days there were remote mounted transmitters that
could be installed near the antenna and far away from other
electronics. I know of no such thing on the modern store shelves but
. . . whonoze?
Personal computers are painted on the inside with a conducting goo to
comply with FCC regulations. Perhaps for the aircraft, but weight?
Regulations? Once again, whonoze?
--
--> The Intelligent Designer managed to create the only species that
kills its own members while claiming that it acts in accordance with
God's word. <--
Message 9
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| Subject: | Re: RF Radiation |
--> Avionics-List message posted by: "John Rippengal" <j.rippengal@cytanet.com.cy>
I would certainly check that the coax connectors at each end of the feeder
are properly connected. Also check the VSWR at the transmitter end to ensure
all is well.
John
From: "Paul McAllister" <paul.mcallister@qia.net>
> --> Avionics-List message posted by: "Paul McAllister"
> <paul.mcallister@qia.net>
>
> Hi guys,
>
> I am looking for a few ideas. I have a fiberglass aircraft I am having
> problems with RF getting into systems and causing problems.
>
> The first area is headsets, I couldn't get my Lightspeeds to work
> properly. Lightspeed acknowledged that there can be problems and offered
> to modify the battery box. That improved things, but from time to time I
> still have problems.
>
> The next on the list is my Navaid. Despite following Navaids suggestion
> of disabling the Navaid whenever the PTT is pressed I still have issues,
> if I transmit for long enough it will still swing over to a 30 degree bank
> which is a real pain if I am flying in IFR conditions.
>
> The latest trick is my intercom. Occasionally when I transmit I will get
> a stuck mike. I called the manufacturer and managed to speak to the
> design engineer. He acknowledged that is there is enough RF present then
> this could happen. The company are currently working with me to resolve
> the issue.
>
> So..... does anyone have any ideas. I have a GX60 as my nav / com and the
> antenna (which is a Bob Archer) is buried in the tail. I have a single
> point ground on the firewall.
>
> Paul
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