Today's Message Index:
----------------------
1. 04:12 AM - Re: Low voltage problem- new 912ULS (Icrashrc@aol.com)
2. 04:30 AM - Re: Low voltage problem- new 912ULS (Gilles Thesee)
3. 06:37 AM - Re: Low voltage problem- new 912ULS (Jack Kuehn)
4. 07:22 AM - Re: Low voltage problem- new 912ULS (rampil)
5. 07:23 AM - Re: 912 EFI kit (alex_01)
6. 08:06 AM - Re: Re: 912 EFI kit (Jack Kuehn)
7. 10:27 AM - Re: Low voltage problem- new 912ULS (Les Goldner)
8. 10:42 AM - Re: Re: Low voltage problem- new 912ULS (Les Goldner)
9. 11:14 AM - Re: Low voltage problem- new 912ULS (Paul Kuntz)
10. 01:06 PM - Re: Low voltage problem- new 912ULS (Joe Ronco)
11. 01:40 PM - Ignition trouble shooting on 582 (Renaud)
Message 1
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| Subject: | Re: Low voltage problem- new 912ULS |
I would love to be able to look over that schematic but i don't have a
program to open it. Is there a free program online to read that type of file?
Thanks,
Scott
_www.ill-EagleAviation.com_ (http://www.ill-EagleAviation.com)
Do Not Archive
____________________________________________________________________________
If you have experienced and solved the following problem pls let me know.
My 912ULS was sitting unopened for 3-years before I installed it in my new
Zenith 701 but works well. My battery is new. I followed Aeroelectric's 912
wiring diagram, which included a low voltage warning light that triggers at
12.5V (if you have a CAD program you can look the diagram at
_http://www.aeroelectric.com/PPS/ACAD_Architecture_Dwgs/Z16L.dwg._
(http://www.aeroelectric.com/PPS/ACAD_Architecture_Dwgs/Z16L.dwg.) ) When I fly
the plane, the low voltage warning light comes on as soon as I turn on
anything requiring more than minimal power consumption (like the strobes)
and the new battery voltage is lower after I land than it was before take
off. Since the battery is draining in flight, the assumption is that the 912
alternator or voltage regulator is malfunctioning.
I need to know if anyone else has experienced this situation, what was done
to fix it, how to isolate and fix the problem, etc. Any help would be
appreciated.
Regards,
Les
**************Start the year off right. Easy ways to stay in shape.
http://body.aol.com/fitness/winter-exercise?NCID=aolcmp00300000002489
Message 2
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| Subject: | Re: Low voltage problem- new 912ULS |
Icrashrc@aol.com a crit :
> I would love to be able to look over that schematic but i don't have a
> program to open it. Is there a free program online to read that type
> of file?
>
http://www.solidworks.com/pages/products/edrawings/viewer.html
Also, the Z drawings are downloadable in .pdf format in the Appendix Z
on www.aeroelectric.com
Best regards,
--
Gilles
http://contrails.free.fr
Message 3
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| Subject: | Re: Low voltage problem- new 912ULS |
Are you sure your electrical system has a LOW voltage sensor? I also
used Bob Nichols 912 wiring diagram, and he suggests the use of his
OVER voltage protector circuit, which consists of an over voltage
sensor of his design, and a relay that shuts down the regulator if
voltage gets too high. This system operates when you turn on the
master, and then is totally transparent unless the regulator goes nuts
and goes full tilt, which apparently it can do. I wonder if you don't
have the OV system and you are getting a high voltage situation which
shuts down your charging system.
The other really nice thing about Bob's system is that he wires the
Master switch so that nothing else can operate unless the Master is
on, including the starter.
Jack
On Jan 6, 2008 5:11 AM, <Icrashrc@aol.com> wrote:
>
>
> I would love to be able to look over that schematic but i don't have a
> program to open it. Is there a free program online to read that type of
> file?
>
> Thanks,
>
> Scott
> www.ill-EagleAviation.com
>
> Do Not Archive
> ____________________________________________________________________________
>
> If you have experienced and solved the following problem pls let me know.
>
> My 912ULS was sitting unopened for 3-years before I installed it in my
> new
> Zenith 701 but works well. My battery is new. I followed
> Aeroelectric's 912
> wiring diagram, which included a low voltage warning light that
> triggers at
> 12.5V (if you have a CAD program you can look the diagram at
> http://www.aeroelectric.com/PPS/ACAD_Architecture_Dwgs/Z16L.dwg.) When
> I fly
> the plane, the low voltage warning light comes on as soon as I turn on
> anything requiring more than minimal power consumption (like the
> strobes)
> and the new battery voltage is lower after I land than it was before
> take
> off. Since the battery is draining in flight, the assumption is that
> the 912
> alternator or voltage regulator is malfunctioning.
>
> I need to know if anyone else has experienced this situation, what was
> done
> to fix it, how to isolate and fix the problem, etc. Any help would be
> appreciated.
>
> Regards,
> Les
>
>
> ________________________________
> Start the year off right. Easy ways to stay in shape in the new year.
>
>
--
Jack Kuehn
5565 Brady Ln
Lolo, MT USA 59847
(406)273-6801
(406)546-1086 cell
jack.kuehn@gmail.com
(406)273-2563 fax
Message 4
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| Subject: | Re: Low voltage problem- new 912ULS |
Without additional info, it does sound like a low voltage condition. Not Hi.
Increasing load drops supply voltage. QED.
Nuckolls does in fact make a low voltage sensor he calls the low-voltage
battery minder circuit which I use to transfer my EFIS to a spare
battery if the alternators drop off line in my Europa.
Definitely check all connections with an ohm meter if possible because you
may not see corrosion in crimps or contacts. Ground the regulator
module directly to the engine block with heavy wire.
The L lead (alt warn lamp) lead on the regulator is not mandatory and the
Nuckolls module which replaces it is smarter.
Definitely measure the bus voltage where the alternator joins the bus
after the contactor and on the actual bus after the diodes etc.
--------
Ira N224XS
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=156311#156311
Message 5
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hi,
here is a kit ready to go
http://www.silent-hektik.com/UL_912_1.htm
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=156312#156312
Message 6
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This site is in German, which I don't read too well, unfortunately.
What is it, it looks really interesting!
On Jan 6, 2008 8:22 AM, alex_01 <zoechling@gmx.de> wrote:
>
> hi,
>
> here is a kit ready to go
>
> http://www.silent-hektik.com/UL_912_1.htm
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=156312#156312
>
>
--
Jack Kuehn
5565 Brady Ln
Lolo, MT USA 59847
(406)273-6801
(406)546-1086 cell
jack.kuehn@gmail.com
(406)273-2563 fax
Message 7
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| Subject: | Low voltage problem- new 912ULS |
I will send anyone who can't read the schematic drawing a Adobe PDF file. If
you can't read it let me know and I will send a jpg.
Regards,
Les
_____
From: owner-rotaxengines-list-server@matronics.com
[mailto:owner-rotaxengines-list-server@matronics.com] On Behalf Of
Icrashrc@aol.com
Sent: Sunday, January 06, 2008 4:12 AM
Subject: Re: RotaxEngines-List: Low voltage problem- new 912ULS
I would love to be able to look over that schematic but i don't have a
program to open it. Is there a free program online to read that type of
file?
Thanks,
Scott
www.ill-EagleAviation.com
Do Not Archive
____________________________________________________________________________
If you have experienced and solved the following problem pls let me know.
My 912ULS was sitting unopened for 3-years before I installed it in my
new
Zenith 701 but works well. My battery is new. I followed
Aeroelectric's 912
wiring diagram, which included a low voltage warning light that
triggers at
12.5V (if you have a CAD program you can look the diagram at
http://www.aeroelectric.com/PPS/ACAD_Architecture_Dwgs/Z16L.dwg.) When
I fly
the plane, the low voltage warning light comes on as soon as I turn on
anything requiring more than minimal power consumption (like the
strobes)
and the new battery voltage is lower after I land than it was before
take
off. Since the battery is draining in flight, the assumption is that
the 912
alternator or voltage regulator is malfunctioning.
I need to know if anyone else has experienced this situation, what was
done
to fix it, how to isolate and fix the problem, etc. Any help would be
appreciated.
Regards,
Les
_____
Start the year off right. Easy ways to stay in shape
<http://body.aol.com/fitness/winter-exercise?NCID=aolcmp00300000002489> in
the new year.
Message 8
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| Subject: | Re: Low voltage problem- new 912ULS |
Ira,
B&C Electric sold me a over/under voltage module that replaces
Aeroelectic's. I think its working OK because it does indicate an under
voltage condition and the battery is not charging.
I plan to add an under voltage warning light temporarily on the L port of
the regulator as some here have suggested. Then I can see if AC voltage is
coming into from the 912. This will tell me that my problems down-stream
from the engine alternator/dynamo. If it is, there are several components
and a lot of wiring I need to check out... A big job in hard to get to
places!
Les
> -----Original Message-----
> From: owner-rotaxengines-list-server@matronics.com
> [mailto:owner-rotaxengines-list-server@matronics.com] On
> Behalf Of rampil
> Sent: Sunday, January 06, 2008 7:22 AM
> To: rotaxengines-list@matronics.com
> Subject: RotaxEngines-List: Re: Low voltage problem- new 912ULS
>
> <ira.rampil@gmail.com>
>
> Without additional info, it does sound like a low voltage
> condition. Not Hi.
> Increasing load drops supply voltage. QED.
>
> Nuckolls does in fact make a low voltage sensor he calls the
> low-voltage battery minder circuit which I use to transfer my
> EFIS to a spare battery if the alternators drop off line in my Europa.
>
> Definitely check all connections with an ohm meter if
> possible because you may not see corrosion in crimps or
> contacts. Ground the regulator module directly to the engine
> block with heavy wire.
>
> The L lead (alt warn lamp) lead on the regulator is not
> mandatory and the Nuckolls module which replaces it is smarter.
>
> Definitely measure the bus voltage where the alternator joins
> the bus after the contactor and on the actual bus after the
> diodes etc.
>
> --------
> Ira N224XS
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=156311#156311
>
>
>
>
>
>
>
> Photoshare, and much much more:
>
>
Message 9
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| Subject: | Re: Low voltage problem- new 912ULS |
Les,
Please send me a copy of the pdf file.
Regards,
Paul Kuntz
Pipistrel Sinus 912
http://www.pipistrelbuilders.com
----- Original Message -----
From: Les Goldner
To: rotaxengines-list@matronics.com
Sent: Sunday, January 06, 2008 10:26 AM
Subject: RE: RotaxEngines-List: Low voltage problem- new 912ULS
I will send anyone who can't read the schematic drawing a Adobe PDF
file. If you can't read it let me know and I will send a jpg.
Regards,
Les
-------------------------------------------------------------------------
---
From: owner-rotaxengines-list-server@matronics.com
[mailto:owner-rotaxengines-list-server@matronics.com] On Behalf Of
Icrashrc@aol.com
Sent: Sunday, January 06, 2008 4:12 AM
To: rotaxengines-list@matronics.com
Subject: Re: RotaxEngines-List: Low voltage problem- new 912ULS
I would love to be able to look over that schematic but i don't have
a program to open it. Is there a free program online to read that type
of file?
Thanks,
Scott
www.ill-EagleAviation.com
Do Not Archive
_________________________________________________________________________
___
If you have experienced and solved the following problem pls let me
know.
My 912ULS was sitting unopened for 3-years before I installed
it in my new
Zenith 701 but works well. My battery is new. I followed
Aeroelectric's 912
wiring diagram, which included a low voltage warning light
that triggers at
12.5V (if you have a CAD program you can look the diagram at
http://www.aeroelectric.com/PPS/ACAD_Architecture_Dwgs/Z16L.dwg.) When I
fly
the plane, the low voltage warning light comes on as soon as I
turn on
anything requiring more than minimal power consumption (like
the strobes)
and the new battery voltage is lower after I land than it was
before take
off. Since the battery is draining in flight, the assumption
is that the 912
alternator or voltage regulator is malfunctioning.
I need to know if anyone else has experienced this situation,
what was done
to fix it, how to isolate and fix the problem, etc. Any help
would be
appreciated.
Regards,
Les
-------------------------------------------------------------------------
---
Start the year off right. Easy ways to stay in shape in the new
year.
href="http://www.matronics.com/Navigator?RotaxEngines-List">http://www.
matronics.com/Navigator?RotaxEngines-List
href="http://forums.matronics.com">http://forums.matronics.com
href="http://www.matronics.com/contribution">http://www.matronics.com/c
Message 10
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| Subject: | Low voltage problem- new 912ULS |
SCOTT: You might want to check out this link for free software. I have not
used it but it might be what you are looking for.
http://usa.autodesk.com/adsk/servlet/index?siteID=123112
<http://usa.autodesk.com/adsk/servlet/index?siteID=123112&id=8824283>
&id=8824283
Joe R
From: owner-rotaxengines-list-server@matronics.com
[mailto:owner-rotaxengines-list-server@matronics.com] On Behalf Of
Icrashrc@aol.com
Sent: Sunday, January 06, 2008 5:12 AM
Subject: Re: RotaxEngines-List: Low voltage problem- new 912ULS
I would love to be able to look over that schematic but i don't have a
program to open it. Is there a free program online to read that type of
file?
Thanks,
Scott
www.ill-EagleAviation.com
Do Not Archive
____________________________________________________________________________
If you have experienced and solved the following problem pls let me know.
My 912ULS was sitting unopened for 3-years before I installed it in my
new
Zenith 701 but works well. My battery is new. I followed
Aeroelectric's 912
wiring diagram, which included a low voltage warning light that
triggers at
12.5V (if you have a CAD program you can look the diagram at
http://www.aeroelectric.com/PPS/ACAD_Architecture_Dwgs/Z16L.dwg.) When
I fly
the plane, the low voltage warning light comes on as soon as I turn on
anything requiring more than minimal power consumption (like the
strobes)
and the new battery voltage is lower after I land than it was before
take
off. Since the battery is draining in flight, the assumption is that
the 912
alternator or voltage regulator is malfunctioning.
I need to know if anyone else has experienced this situation, what was
done
to fix it, how to isolate and fix the problem, etc. Any help would be
appreciated.
Regards,
Les
_____
Start the year off right. Easy
<http://body.aol.com/fitness/winter-exercise?NCID=aolcmp00300000002489>
ways to stay in shape in the new year.
Message 11
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| Subject: | Ignition trouble shooting on 582 |
Hi,
I have been trying to solve a problem of ignition on my 582 (on Kitfox IV), but
I am not fully satisfied so far. Maybe one of you already had the same type of
problem and could help me?
Here is my story: I detected a failure of ignition on one of the circuits during
descent (only), when the engine cools down. In these conditions, with only this
circuit on (let's call it circuit 1) , sometimes engine does nor run smoothly,
and sometimes even stop. With the other circuit on only (circuit 2) everything
is fine.
I inverted the two external coils (the black electronic blocs) to identify the
source of the problem. Same result, circuit 1 still fails, which means the problem
is in the stator or the position sensor.
I then inverted the connections of the two sensors, to identify if the problem
is in the stator or in the sensors. Guess what, now everything is running perfect
on circuit 1 and on circuit 2! Ambient temperature was a little warmed for
this last test, but apart from that nothing else was changed.
I was suspecting a bad position adjustment of one of the sensor (gap between the
sensor and the rotor), but now I am not really sure. Now everything runs fine,
but I don't know why!
Of course, to have access to inspect the stator and sensors, I would need to remove
completely the engine from my Kitfox...
Has any of you already had this type of funny story?
Thanks in advance and happy flying in 2008!
Renaud
--------
Renaud
KitFox IV - 1200. Rotax 582.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=156415#156415
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