Today's Message Index:
----------------------
1. 11:57 AM - Re: While Checking the Magnetos, intermittent shutdown (dwwilt)
2. 12:09 PM - Capacitor Installation for Ignition Noise (dwwilt)
3. 12:29 PM - Re: Capacitor Installation for Ignition Noise (Pete Krotje)
4. 12:43 PM - Re: Capacitor Installation for Ignition Noise (FLYaDIVE)
5. 04:37 PM - Re: Capacitor Installation for Ignition Noise (vvkidd@mindspring.com)
Message 1
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| Subject: | Re: While Checking the Magnetos, intermittent shutdown |
Just an update. I replaced the ACS ignition switch and have not had a problem
since. I opened up the original switch and could not see anything wrong with
it. They are very simple devices.
--------
Dennis
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=370617#370617
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| Subject: | Capacitor Installation for Ignition Noise |
I made a search of the forum and could not find this, so I am asking the group.
I have ignition noise in my radios. I have the Jabiru 3300 in an Arion Lightning.
My radio stack has a PS-Engineering PMA5000EX with a SL-30 and SL-40. I
know where to install the capacitor on a standard type alternator, but the built
in alternator for the Jabiru makes it kind of hard to decide where to put it.
Has anyone had this issue and solved it with the capacitor? And if you did, how
did you install it?
Thanks,
--------
Dennis
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=370618#370618
Message 3
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| Subject: | Capacitor Installation for Ignition Noise |
I don't think a capacitor on the charging circuit will do anything for noise
from the ignition. If the noise is from the alternator or regulator then
maybe it might help. It sounds somewhat like you are trying to slice an
orange by cutting into a watermelon. (forgive my awkward attempt at humorous
analogy).
Pete
-----Original Message-----
From: owner-jabiruengine-list-server@matronics.com
[mailto:owner-jabiruengine-list-server@matronics.com] On Behalf Of dwwilt
Sent: Thursday, April 12, 2012 2:09 PM
Subject: JabiruEngine-List: Capacitor Installation for Ignition Noise
I made a search of the forum and could not find this, so I am asking the
group.
I have ignition noise in my radios. I have the Jabiru 3300 in an Arion
Lightning. My radio stack has a PS-Engineering PMA5000EX with a SL-30 and
SL-40. I know where to install the capacitor on a standard type alternator,
but the built in alternator for the Jabiru makes it kind of hard to decide
where to put it.
Has anyone had this issue and solved it with the capacitor? And if you did,
how did you install it?
Thanks,
--------
Dennis
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=370618#370618
Message 4
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| Subject: | Re: Capacitor Installation for Ignition Noise |
Dennis:
What value is the capacitor?
Is it a low value such as 0.2 uF?
Or a high one such as 25,000 uF (or greater)?
The small value goes right next to the OUTPUT of the alternator. Keep the
leads SHORT.
The High value - Well, there you have some options. You can put it right at
the B+ Buss to Ground. That way it removes the noise and filters all of
the electrical system.
OR, you can also put it right at the alternator - The SAME as the low value
capacitor.
But there it will not do as much to remove noise entering the radios.
The BEST of both worlds is to use BOTH value capacitors... Small value at
the alternator and the larger at the B+ Buss.
AND... One more trick... Install a ferrite (snap on) bead on the alternator
wire as close to the battery as possible. The bead must be a TIGHT fit
over the alternator output wire.
Question: What type and where is the ACU (Alternator Control Unit) located?
Barry
Electrical Engineer
On Thu, Apr 12, 2012 at 3:08 PM, dwwilt <dwwilt@aol.com> wrote:
>
> I made a search of the forum and could not find this, so I am asking the
> group.
>
> I have ignition noise in my radios. I have the Jabiru 3300 in an Arion
> Lightning. My radio stack has a PS-Engineering PMA5000EX with a SL-30 and
> SL-40. I know where to install the capacitor on a standard type
> alternator, but the built in alternator for the Jabiru makes it kind of
> hard to decide where to put it.
>
> Has anyone had this issue and solved it with the capacitor? And if you
> did, how did you install it?
>
> Thanks,
>
> --------
> Dennis
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=370618#370618
>
>
Message 5
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| Subject: | Capacitor Installation for Ignition Noise |
Check out your grounds. You must have a common ground to ensure a no noise
enviornment.
-----Original Message-----
>From: Pete Krotje <pete@usjabiru.com>
>Sent: Apr 12, 2012 3:29 PM
>To: jabiruengine-list@matronics.com
>Subject: RE: JabiruEngine-List: Capacitor Installation for Ignition Noise
>
>
>I don't think a capacitor on the charging circuit will do anything for noise
>from the ignition. If the noise is from the alternator or regulator then
>maybe it might help. It sounds somewhat like you are trying to slice an
>orange by cutting into a watermelon. (forgive my awkward attempt at humorous
>analogy).
>
>Pete
>
>-----Original Message-----
>From: owner-jabiruengine-list-server@matronics.com
>[mailto:owner-jabiruengine-list-server@matronics.com] On Behalf Of dwwilt
>Sent: Thursday, April 12, 2012 2:09 PM
>To: jabiruengine-list@matronics.com
>Subject: JabiruEngine-List: Capacitor Installation for Ignition Noise
>
>
>I made a search of the forum and could not find this, so I am asking the
>group.
>
>I have ignition noise in my radios. I have the Jabiru 3300 in an Arion
>Lightning. My radio stack has a PS-Engineering PMA5000EX with a SL-30 and
>SL-40. I know where to install the capacitor on a standard type alternator,
>but the built in alternator for the Jabiru makes it kind of hard to decide
>where to put it.
>
>Has anyone had this issue and solved it with the capacitor? And if you did,
>how did you install it?
>
>Thanks,
>
>--------
>Dennis
>
>
>Read this topic online here:
>
>http://forums.matronics.com/viewtopic.php?p=370618#370618
>
>
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