Today's Message Index:
----------------------
1. 05:53 AM - Radio Shack RG-58 coax for antenna leads (Joe & Jan Connell)
2. 06:48 AM - Re: Radio Shack RG-58 coax for antenna leads (Wayne Sweet)
3. 07:06 AM - Re: Voltage stability (Ken)
4. 07:07 AM - Re: Radio Shack RG-58 coax for antenna leads (John Schroeder)
5. 11:13 AM - Extra Diode in Z-14 (rev K) diagram (Bernard Despins)
6. 11:13 AM - M3 Approach GPS Install Manual (Chuck Jensen)
7. 11:41 AM - [ Bruce Niles ] : New Email List Photo Share Available! (Email List Photo Shares)
Message 1
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| Subject: | Radio Shack RG-58 coax for antenna leads |
--> AeroElectric-List message posted by: "Joe & Jan Connell" <jconnell@rconnect.com>
Hi guys,
I'm installing a Garmin GTX-320A in my RV-9A.
Is the standard Radio Shack RG-58 coax suitable
for use between transponder and the antenna?
The length would be between 8 and 10 feet.
Thanks.
Joe Connell
SE Minnesota
RV-9A N95JJ wiring
Message 2
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| Subject: | Re: Radio Shack RG-58 coax for antenna leads |
--> AeroElectric-List message posted by: "Wayne Sweet" <w_sweet@comcast.net>
First, I am NOT an avionics expert; just installed all my stuff including
dual NAV/COMs, gns430 and PMA7000, etc.
However that said, Radio Shack stuff ALMOST got me. Some of their
connectors, etc is 75 omh impediance, such as connectors. I donot know about
the coax. BUT, why not simply buy from ACS?? What is another few $$$ in
comparison of days of trouble shooting or constant annouying radio/GPS
gremlins?? At least that's was my philosophy in my wiring.
As an aside, I am currently doing a rewiring along with changing over from a
Navaid Device to a EzPilot and decided to re-do all my avionics wiring
using Fast Stack. I have a annouying alternator whine at idle RPM in only #1
comm so decided to spend more $$$ in hopes of chasing out that gremlin.
I learned about the Fast Stack AFTER spending two months doing the major
avionics upgrade adding the GNS430.
WOOO, long answer, but sometimes a casual remark by others can save lots of
headaches. Hope I didn't bore you.
BTW, I have a NAVAID Device head for sale REAL cheap.
Wayne
----- Original Message -----
From: "Joe & Jan Connell" <jconnell@rconnect.com>
Subject: AeroElectric-List: Radio Shack RG-58 coax for antenna leads
> --> AeroElectric-List message posted by: "Joe & Jan Connell"
> <jconnell@rconnect.com>
>
> Hi guys,
>
> I'm installing a Garmin GTX-320A in my RV-9A.
> Is the standard Radio Shack RG-58 coax suitable
> for use between transponder and the antenna?
> The length would be between 8 and 10 feet.
>
> Thanks.
>
> Joe Connell
> SE Minnesota
> RV-9A N95JJ wiring
>
>
>
Message 3
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| Subject: | Re: Voltage stability |
--> AeroElectric-List message posted by: Ken <klehman@albedo.net>
Hi Brian
Interesting problem but off the top I am suspicious of two possibilities.
1. the alternator is defective and can not maintain sufficent current to
power your loads
2. there is high resistance between the alternator and your loads. ie
the alternator is fine and maintaining proper output voltage but your
bus (and possibly battery) is not getting enough current. Knowing the
high quality of your work, my first suspicion would be a faulty battery
contactor that is high resistance or a high resistance circuit breaker
in the alternator output line. I'd look at the C/B or fuse first.
Obviously a grossly undersized B lead (alternator wire) could also cause
this depending on exactly how it is wired.
Ken
Brian Cross wrote:
>--> AeroElectric-List message posted by: Brian Cross <bcross2160@rogers.com>
>
>Hi Folks
>
>I have a problem on my aircraft which I have had from day one since I got
>it flying over 5 years ago. It uses Bob N's circuit diagram to a T. I
>cannot remember which Z diagram it is but it is a basic system with 2 mags,
>E bus with the diode etc. I use the LR3B voltage regulator & B & C 40 amp
>alternator. The system has never let me down. I have a friend who helped
>me wire the system who has his masters in Elect. Eng. & a very bright guy.
>
>The problem is that I have low voltage in the system. As I had load to the
>system, the voltage as shown by the EI gauges drops. For example, if I
>turn on the taxi light, it drops 0.1-0.2 volts. Every time I add a load,
>it drops by this amount. It is quite easy to get it down to 12.8-12.9
>volts depending upon how much load I had. When I take the load off, the
>voltage climbs right back to 13.9 volts or so. Yes I have verified the
>voltage with other external devices, & my Garmin handheld indicates exactly
>the same voltage as the EI unit.
>
>I have followed the LR3B trouble shooting guide & found no problems. I
>have contacted B&C over the phone & at Oshkosh. They are very nice folks
>but have been unable to help me. (I am not saying at all that it is their
>problem, I just cannot figure it out). I have tightened the belt, changed
>the alt. belt etc. etc. to no avail. I just swapped out the LR3B last
>night to a brand new LR3C with high hopes. The system performs exactly as
>before.
>
>Perplexed! Greatly appreciate any help.
>
>Brian
>
>
>
Message 4
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| Subject: | Re: Radio Shack RG-58 coax for antenna leads |
--> AeroElectric-List message posted by: "John Schroeder" <jschroeder@perigee.net>
Joe -
I would recommend using RG-400, especially for the transponder. Bob has
recommended this for quite some time. Steinair sells it by the foot, as
does B&C.
John
> I'm installing a Garmin GTX-320A in my RV-9A. Is the standard Radio
> Shack RG-58 coax suitable for use between transponder and > the
> antenna? The length would be between 8 and 10 feet.
>
> Thanks.
>
> Joe Connell
Message 5
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| Subject: | Extra Diode in Z-14 (rev K) diagram |
--> AeroElectric-List message posted by: Bernard Despins <bdespins@telusplanet.net>
I was looking at diagram Z-14 (revision K) and noticed the label
<>"1N5400" just to the left of the Aux Battery Contactor. It is next to
the label for the ANL30, but as far as I can tell, it shouldn't be
<>there. The spike catching diode for the contactor is on the
right. Can someone confirm this?
Message 6
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| Subject: | M3 Approach GPS Install Manual |
--> AeroElectric-List message posted by: "Chuck Jensen" <cjensen@dts9000.com>
I didn't have any luck when I checked, so inquiring if anyone has a link to (or
willing to sell) an M3 Approach GPS install manual. Yes, yes, I know. Its a
boat-anchor, but its an excellent DME.
Chuck
Message 7
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| Subject: | [ Bruce Niles ] : New Email List Photo Share Available! |
--> AeroElectric-List message posted by: Email List Photo Shares <pictures@matronics.com>
A new Email List Photo Share is available:
Poster: Bruce Niles <bniles@cfl.rr.com.>
Lists: Aeroelectric-List
Subject: Switch Fences
http://www.matronics.com/photoshare/bniles@cfl.rr.com.07.02.2005/index.html
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