Today's Message Index:
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1. 05:20 AM - Garmin 430 to 430W Differences (Jeff Page)
2. 06:22 AM - Re: Garmin 430 to 430W Differences (Robert Borger)
3. 08:07 AM - Re: Jabiru 3300 Over Voltage (user9253)
4. 10:01 AM - Ship voltmeter system limits (jonlaury)
5. 10:41 AM - Re: Jabiru 3300 Over Voltage (zqqmin)
6. 11:57 AM - Re: PTT shield connections (Robert L. Nuckolls, III)
7. 12:05 PM - Re: Ship voltmeter system limits (Robert L. Nuckolls, III)
8. 10:24 PM - Re: PTT shield connections (messydeer)
Message 1
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Subject: | Garmin 430 to 430W Differences |
A friend of mine has sold his Garmin 430 because he got a good deal on a 430W.
He needs to change the GPS antenna and possibly its cable if it
doesn't match the new spec.
I looked through the manuals to see what differences there might be in
the pinouts. There are few and of little consequence. None are
connected in the certified installation in my Cessna 172.
I offer the list here in case anyone is interested.
Jeff Page
Dream Aircraft Tundra #10
DIFFERENCES BETWEEN GARMIN GNS-400 AND GNS-400W
P4001
Pin 8 400: Auto Annunciate 400W: Spare Annunciate
Pin 12 400: not implimented 400W: Altitude Alarm Annunciate
Pin 13 400: Annunciate F 400W: GPS Select
Pin 37 400: not implimented 400W: Audio 1 Hi
Pin 38 400: not implimented 400W: Audio 1 Lo (gnd)
Pin 74 400: Reserved 400W: Com Remote Recall
P4002
No differences
P4006
No differences
Message 2
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Subject: | Re: Garmin 430 to 430W Differences |
Jeff,
Several years ago I had a 530 and a 430 upgraded to WAAS capability (530W & 430W).
With the new capability came a pair of new antennas, new antenna cables and
the admonition NOT to cut the cable length. The whole system was very finely
tuned and to ensure the accuracy in positioning required for instrument work
the new hardware must be used as provided. My Garmin units were in the instrument
panel and the antenna installed on top of the panel so I had to carefully
roll up the 15' of RG-400 cable for each unit so it would fit inside the instrument
panel.
So, yes, he has to change the antenna and cable and ensure it all meets Garmin
specs if he is to do it "by the book."
Bob Borger
Europa XS Tri, Rotax 914, Airmaster C/S Prop.
Little Toot Sport Biplane, Lycoming Thunderbolt AEIO-320 EXP
3705 Lynchburg Dr.
Corinth, TX 76208-5331
Cel: 817-992-1117
rlborger@mac.com
On Nov 16, 2011, at 7:17 AM, Jeff Page wrote:
>
> A friend of mine has sold his Garmin 430 because he got a good deal on a 430W.
> He needs to change the GPS antenna and possibly its cable if it doesn't match
the new spec.
>
> I looked through the manuals to see what differences there might be in the pinouts.
There are few and of little consequence. None are connected in the certified
installation in my Cessna 172.
>
> I offer the list here in case anyone is interested.
>
> Jeff Page
> Dream Aircraft Tundra #10
>
>
> DIFFERENCES BETWEEN GARMIN GNS-400 AND GNS-400W
>
> P4001
> Pin 8 400: Auto Annunciate 400W: Spare Annunciate
> Pin 12 400: not implimented 400W: Altitude Alarm Annunciate
> Pin 13 400: Annunciate F 400W: GPS Select
> Pin 37 400: not implimented 400W: Audio 1 Hi
> Pin 38 400: not implimented 400W: Audio 1 Lo (gnd)
> Pin 74 400: Reserved 400W: Com Remote Recall
>
> P4002
> No differences
>
> P4006
> No differences
Message 3
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Subject: | Re: Jabiru 3300 Over Voltage |
http://www.usjabiru.com/technical-tips.html
Quote from the above website:
> Make sure the regulator has a good ground and heavy gauge ground wire. Too small
a ground wire causes erratically high voltage readings and spikes.
Any voltage dropped across the regulator ground wire or its connections will be
added to the system voltage. Make sure all connections are tight and that there
is no paint on the connected parts.
If the regulator is working but set at too high of a voltage, it will help to
connect the yellow sense wire to the red output wire.
If the above does not solve the high voltage, then replace the regulator.
Joe
--------
Joe Gores
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=358102#358102
Message 4
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Subject: | Ship voltmeter system limits |
I'm programming a glass panel for system limits of an all electric ship.
I'm using a B&C LR-3 regulator for the primary alternator and Bob N's 9005 LVM
and OVM-14 for the stby alternator.
The OVM trips at 16.4v. the LVM at 13.0v. What should the "gauge" in my panel have
for a max value, redline, hi yellow, ( low yellow@ 13.0 per the 9005) , min
value?
Re min value, worst case, 8-9v will keep the ignition,& EFI working and they are
fused for this scenario.
Thanks,
John
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=358114#358114
Message 5
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Subject: | Re: Jabiru 3300 Over Voltage |
Thanks to everyone. I have a new regulator order.
--------
Dale A. Gray
Sonex N506DG
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=358118#358118
Message 6
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Subject: | Re: PTT shield connections |
At 11:42 PM 11/15/2011, you wrote:
>
>Bob:
>
>I'm putting a PTT switch in my stick. I understand that the two ptt
>wires are connected to the tip and sleeve leads of the mic jack. I
>thought some folks shielded these wires, so I figured I'd use two
>conductor shielded wire for this.
>
>If it's not a bad idea to shield these wires, where and to what is
>the shield connected?
No shield necessary or even useful. Open twisted pair is fine.
Bob . . .
Message 7
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Subject: | Re: Ship voltmeter system limits |
At 11:54 AM 11/16/2011, you wrote:
I'm programming a glass panel for system limits of an all electric ship.
I'm using a B&C LR-3 regulator for the primary alternator and Bob N's
9005 LVM and OVM-14 for the stby alternator.
The OVM trips at 16.4v. the LVM at 13.0v. What should the "gauge" in
my panel have for a max value, redline, hi yellow, ( low yellow@ 13.0
per the 9005) , min value?
Re min value, worst case, 8-9v will keep the ignition,& EFI working
and they are fused for this scenario.
Here's a shot of the meter face on a product we used to
offer:
Emacs!
The arcs are colored according to the following
rationale:
Anything over 15v is a badly functioning alternator
regulator.
13 to 15 volts says the alternator is carrying
all present system loads.
10.5 to 13 volts says alternator is off line and
all energy is being supplied by battery.
10.5 and below . . . battery is 99% gone.
Bob . . .
Message 8
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Subject: | Re: PTT shield connections |
K. Thanks.
--------
Dan
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=358161#358161
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