Today's Message Index:
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1. 03:10 AM - Re: Aeroled wiring (Mike Whisky)
2. 05:34 AM - Re: Re: Aeroled wiring (Robert L. Nuckolls, III)
3. 05:50 AM - Re: More MGL Enigma issues (user9253)
4. 09:54 AM - Re: Aeroled wiring (Mike Whisky)
5. 11:31 AM - Re: Re: More MGL Enigma issues (Richard Girard)
6. 12:36 PM - Re: More MGL Enigma issues (user9253)
7. 02:37 PM - Re: Re: More MGL Enigma issues (Robert L. Nuckolls, III)
8. 02:38 PM - Re: Re: Aeroled wiring (Robert L. Nuckolls, III)
9. 02:43 PM - Re: More MGL Enigma issues (pestar)
10. 02:45 PM - Re: Re: More MGL Enigma issues (Robert L. Nuckolls, III)
11. 06:53 PM - Re: iPod shocks (mmayfield)
12. 09:34 PM - Re: Re: iPod shocks (Dave Saylor)
Message 1
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Subject: | Re: Aeroled wiring |
Continuous noise on COM 1 when nav lights are on.
I have the same issue. My Aeroleds transmit a signal which is picked up on my COM
1 GNS430W but not on the SL30. I wrote to Aeroleds and they replaced the units
with a newer version. However I only sent them the wingtip nav/strobe lights
and not the nav/strobe taillight. The problem is not audiable on ground with
1000 RPM but appears latest during take-off run.
In order to solve my issue I was wondering if your filters will solve it and where
to order them.
Regards
Mike
--------
RV-10 builder (flying)
#511
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=425704#425704
Message 2
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Subject: | Re: Aeroled wiring |
At 05:08 AM 6/29/2014, you wrote:
>
>Continuous noise on COM 1 when nav lights are on.
>I have the same issue. My Aeroleds transmit a signal which is picked
>up on my COM 1 GNS430W but not on the SL30. I wrote to Aeroleds and
>they replaced the units with a newer version. However I only sent
>them the wingtip nav/strobe lights and not the nav/strobe taillight.
>The problem is not audiable on ground with 1000 RPM but appears
>latest during take-off run.
>
>In order to solve my issue I was wondering if your filters will
>solve it and where to order them.
The filter kit I used to offer was tailored to
a specific power supply that was popularly used
in some DIY LED lighting installations.
http://tinyurl.com/kqfw5pn
It would probably work with other products but
it would be a bit messy . . . and they're
out of production.
If AEROLED was able to fix the wing-tip lights,
why not the tail? They're in the business of
supplying holy-watered products for aircraft.
They, of all folks, should know what it takes
to bring your installation up to minimal design
goals.
Bob . . .
Message 3
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Subject: | Re: More MGL Enigma issues |
The VDO 360-004 is a resistance type sender. It can NOT output a voltage. The
voltage is coming from the Mitchell oil pressure gauge. Ideally the MGL and
Mitchell gauge should each have its own sensor. But that might not be practical.
It seems that some type of buffer is needed to convert the voltage from the
Mitchell to a signal that the MGL can use.
--------
Joe Gores
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=425709#425709
Message 4
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Subject: | Re: Aeroled wiring |
Thanks Bob
To be fair I didn't send them the tail light as I was under the assumption that
the noise is caused by the wingtip lights. One of Aeroleds suggestion was to
install a piece of aluminum in the RV wingtips that covers the back of the installation
and route ground wire from that piece to the nearest structure.
I agree that I would expect a product like this to function noise free without
having to add this installation.
Regards
Michael
--------
RV-10 builder (flying)
#511
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=425726#425726
Message 5
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Subject: | Re: More MGL Enigma issues |
Joe, all, we tried every possible combination of sensor hook up to the
Mitchell and MGL, both together and each alone. Even when the MGL was the
only thing hooked up to the sensor the output on the raw data showed the
pressure sender between .31 and .41 volts.
In the end we left the MGL disconnected and are only driving the Mitchell
gauge so the owner can fly while we attempt to figure it out.
Thanks,
Rick
On Sun, Jun 29, 2014 at 7:49 AM, user9253 <fransew@gmail.com> wrote:
>
> The VDO 360-004 is a resistance type sender. It can NOT output a voltage.
> The voltage is coming from the Mitchell oil pressure gauge. Ideally the
> MGL and Mitchell gauge should each have its own sensor. But that might not
> be practical. It seems that some type of buffer is needed to convert the
> voltage from the Mitchell to a signal that the MGL can use.
>
> --------
> Joe Gores
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=425709#425709
>
>
--
Zulu Delta
Mk IIIC
Thanks, Homer GBYM
It isn't necessary to have relatives in Kansas City in order to be unhappy.
- Groucho Marx
Message 6
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Subject: | Re: More MGL Enigma issues |
Have you measured the voltage at the instrument-panel end of the sender wires with
nothing connected at all? Or measure the voltage between the sender case
and instrument panel ground? This measurement should be taken with everything
electrical turned on. Maybe there is a poor ground connection someplace.
--------
Joe Gores
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=425732#425732
Message 7
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Subject: | Re: More MGL Enigma issues |
At 01:30 PM 6/29/2014, you wrote:
>Joe, all, we tried every possible combination of sensor hook up to
>the Mitchell and MGL, both together and each alone. Even when the
>MGL was the only thing hooked up to the sensor the output on the raw
>data showed the pressure sender between .31 and .41 volts.
>In the end we left the MGL disconnected and are only driving the
>Mitchell gauge so the owner can fly while we attempt to figure it out.
Are you using the same 'sender' for both the
steam gage AND trying to read it with the
EIS?
Bob . . .
Message 8
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Subject: | Re: Aeroled wiring |
At 11:53 AM 6/29/2014, you wrote:
>
>Thanks Bob
>To be fair I didn't send them the tail light as I was under the
>assumption that the noise is caused by the wingtip lights. One of
>Aeroleds suggestion was to install a piece of aluminum in the RV
>wingtips that covers the back of the installation and route ground
>wire from that piece to the nearest structure.
>I agree that I would expect a product like this to function noise
>free without having to add this installation.
Exactly. Any time a supplier speaks to user-
installed mitigation for noise, it's a big
red flag that they perhaps forgot to do
their how-to-live-in-an-airplane homework.
Bob . . .
Message 9
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Subject: | Re: More MGL Enigma issues |
Join http://www.mglavionicsusers.org/forum/index.php and ask your questions there. You will get lots of support.
Cheers Peter
Peter Armstrong
Auckland, New Zealand
--------
Peter Armstrong
Auckland, New Zealand
DynAero MCR-4S (Do not shoot me :) ).
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=425741#425741
Message 10
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Subject: | Re: More MGL Enigma issues |
At 07:49 AM 6/29/2014, you wrote:
>
>The VDO 360-004 is a resistance type sender. It can NOT output a
>voltage. The voltage is coming from the Mitchell oil pressure
>gauge. Ideally the MGL and Mitchell gauge should each have its own
>sensor. But that might not be practical. It seems that some type
>of buffer is needed to convert the voltage from the Mitchell to a
>signal that the MGL can use.
Opps . . . perhaps this is the answer to my
recent question. Joe is right, a variable
resistance transducer must be powered up from
the companion instrument . . . I presume the
Mitchell gage has power, ground and transducer
connectors.
Once biased up by the Mitchell gage internals,
there WILL be a variable voltage across the
transducer terminals that represents the
MITCHELL gage expectations . . . but since
the EIS is not privy to exactly what that
excitation is, it cannot properly interpret
the voltage.
If you want BOTH instruments then you'll
need to set up the EIS to work with a 3-wire,
linear voltage transducer . . . then add
an instrument set up to read THAT same
voltage.
It's not hard to do if you are handy with
a soldering iron and a few chips.
Bob . . .
Message 11
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FYI, here in Australia a couple of days ago a young woman was electrocuted and
killed by a dodgy knock-off phone charger.
She was talking on the phone plugged into the charger while wearing headphones
plugged into her laptop, which was plugged into another wall socket. This completed
a 240V circuit which ran from the faulty phone charger through her hand,
up and out through her ears, into the laptop and back into the house supply.
The knockoff charger (like many knockoffs) did not comply with national electrical
safety standards and needless to say, there has now been a massive crackdown
by the authorities on stores and markets selling cheap import chargers which
are non-compliant.
--------
Mike
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=425746#425746
Message 12
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That's tragic. I can imagine lots of people putting themselves in a
similar situation.
BTW, for those wondering if this is an urban legend, here's a link to a
recent news article:
http://www.dailymail.co.uk/news/article-2671493/Woman-dies-electrocuted-headphones-plugged-laptop.html
I've learned my lesson. No more cheapo chargers.
--Dave
On Sun, Jun 29, 2014 at 6:51 PM, mmayfield <mmayfield@ozemail.com.au> wrote:
> mmayfield@ozemail.com.au>
>
> FYI, here in Australia a couple of days ago a young woman was electrocuted
> and killed by a dodgy knock-off phone charger.
>
> She was talking on the phone plugged into the charger while wearing
> headphones plugged into her laptop, which was plugged into another wall
> socket. This completed a 240V circuit which ran from the faulty phone
> charger through her hand, up and out through her ears, into the laptop and
> back into the house supply.
>
> The knockoff charger (like many knockoffs) did not comply with national
> electrical safety standards and needless to say, there has now been a
> massive crackdown by the authorities on stores and markets selling cheap
> import chargers which are non-compliant.
>
> --------
> Mike
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=425746#425746
>
>
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