Today's Message Index:
----------------------
1. 06:03 AM - Re: Re: Dual Battery design (Robert L. Nuckolls, III)
2. 06:05 AM - Re: Re: Dual Battery design (Robert L. Nuckolls, III)
3. 01:45 PM - Re: Dual Battery design (haribole)
4. 04:35 PM - Headset jacks wiring (William Greenley)
5. 05:53 PM - Re: Headset jacks wiring (Sebastien)
6. 06:05 PM - Re: Headset jacks wiring (William Greenley)
7. 06:35 PM - Re: Headset jacks wiring (Rene)
8. 06:44 PM - Re: Headset jacks wiring (Earl Schroeder)
9. 07:22 PM - Re: Headset jacks wiring (Charlie England)
10. 07:46 PM - Re: Headset jacks wiring (William Daniell)
11. 08:27 PM - Re: Starter Contactors (reaper)
Message 1
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| Subject: | Re: Dual Battery design |
At 12:36 PM 1/19/2017, you wrote:
>Forgot the attachment.
>
>On Thu, Jan 19, 2017 at 9:55 AM, Hariharan Gopalan
><<mailto:rdu.hari@gmail.com>rdu.hari@gmail.com> wrote:
>I was originally planning on using the Z19B, but came across a print
>out of what looks like a much simpler dual batter design. Not sure
>where I printed this from, but this surely looks like an
>aeroelectric design and can not find this in the 12th edition book.
>
>could someone please see if they recognize this and enlighten me?
That drawing uses symbols from my library
and suggests a strong influence from
AEC architecture drawings . . . but it
is not my drawing. It also deviates from
recommended practices in several regards.
Bob . . .
Message 2
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| Subject: | Re: Dual Battery design |
At 12:36 PM 1/19/2017, you wrote:
>Forgot the attachment.
>
>On Thu, Jan 19, 2017 at 9:55 AM, Hariharan Gopalan
><<mailto:rdu.hari@gmail.com>rdu.hari@gmail.com> wrote:
>I was originally planning on using the Z19B, but came across a print
>out of what looks like a much simpler dual batter design. Not sure
>where I printed this from, but this surely looks like an
>aeroelectric design and can not find this in the 12th edition book.
>could someone please see if they recognize this and enlighten me?
That drawing uses symbols from my library
and suggests a strong influence from
AEC architecture drawings . . . but it
is not my drawing. It also deviates from
recommended practices in several regards.
Bob . . .
Message 3
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| Subject: | Re: Dual Battery design |
Thanks Bob. I remember reading sometime back about a proposed alternative to the
Z-19 dual battery design. Is there one that has still not been published in
the book?
Thanks
Hari
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=465280#465280
Message 4
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| Subject: | Headset jacks wiring |
Will be having 4 sets of headset jacks in a console between the front seats
in my RV-10. I would like to make the console removeable. Would it create
an interferance problem if I use a molex connector or something comprable
to serve as a disconnect. The shield would be connected to a pin so it
would carry through the connector.
Message 5
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| Subject: | Re: Headset jacks wiring |
Wouldn't it be easier to leave 2 extra feet of wire coiled up so that when
you remove the panel you can just put it aside?
On Fri, Jan 20, 2017 at 4:32 PM, William Greenley <wgreenley@gmail.com>
wrote:
> Will be having 4 sets of headset jacks in a console between the front
> seats in my RV-10. I would like to make the console removeable. Would it
> create an interferance problem if I use a molex connector or something
> comprable to serve as a disconnect. The shield would be connected to a pin
> so it would carry through the connector.
>
Message 6
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| Subject: | Re: Headset jacks wiring |
I am working on the wiring harness and it struck me that it be nice just to
have this as a separate module, easier to manage for the wiring and then
also easy to get the console totally out of the way.
On Jan 20, 2017 8:58 PM, "Sebastien" <cluros@gmail.com> wrote:
> Wouldn't it be easier to leave 2 extra feet of wire coiled up so that when
> you remove the panel you can just put it aside?
>
> On Fri, Jan 20, 2017 at 4:32 PM, William Greenley <wgreenley@gmail.com>
> wrote:
>
>> Will be having 4 sets of headset jacks in a console between the front
>> seats in my RV-10. I would like to make the console removeable. Would it
>> create an interferance problem if I use a molex connector or something
>> comprable to serve as a disconnect. The shield would be connected to a pin
>> so it would carry through the connector.
>>
>
>
Message 7
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| Subject: | Headset jacks wiring |
I did itI have not had problems. I used a 9db
connector and crimped pins. Can not remember if I brought the shield
throughmy Jacks are not far from my connector.
From: owner-aeroelectric-list-server@matronics.com
[mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of
William Greenley
Sent: Friday, January 20, 2017 5:32 PM
Subject: AeroElectric-List: Headset jacks wiring
Will be having 4 sets of headset jacks in a console between the front
seats in my RV-10. I would like to make the console removeable. Would it
create an interferance problem if I use a molex connector or something
comprable to serve as a disconnect. The shield would be connected to a
pin so it would carry through the connector.
Message 8
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| Subject: | Re: Headset jacks wiring |
On Fri, Jan 20, 2017 at 20:10 William Greenley <wgreenley@gmail.com> wrote:
> I am working on the wiring harness and it struck me that it be nice just
> to have this as a separate module, easier to manage for the wiring and then
> also easy to get the console totally out of the way.
>
> On Jan 20, 2017 8:58 PM, "Sebastien" <cluros@gmail.com> wrote:
>
> Wouldn't it be easier to leave 2 extra feet of wire coiled up so that when
> you remove the panel you can just put it aside?
>
> On Fri, Jan 20, 2017 at 4:32 PM, William Greenley <wgreenley@gmail.com>
> wrote:
>
> Will be having 4 sets of headset jacks in a console between the front
> seats in my RV-10. I would like to make the console removeable. Would it
> create an interferance problem if I use a molex connector or something
> comprable to serve as a disconnect. The shield would be connected to a pin
> so it would carry through the connector.
>
>
> I agree with Sebastien. My experience with troubleshooting
> electric/electronic issues one goes to the connectors first. Some say
> adding a connector increases problems 10-100 fold. Just lengthen the wire
> a bit for access. EE
Message 9
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| Subject: | Re: Headset jacks wiring |
On 1/20/2017 8:38 PM, Earl Schroeder wrote:
>
> On Fri, Jan 20, 2017 at 20:10 William Greenley <wgreenley@gmail.com
> <mailto:wgreenley@gmail.com>> wrote:
>
> I am working on the wiring harness and it struck me that it be
> nice just to have this as a separate module, easier to manage for
> the wiring and then also easy to get the console totally out of
> the way.
>
> On Jan 20, 2017 8:58 PM, "Sebastien" <cluros@gmail.com
> <mailto:cluros@gmail.com>> wrote:
>
> Wouldn't it be easier to leave 2 extra feet of wire coiled up
> so that when you remove the panel you can just put it aside?
>
> On Fri, Jan 20, 2017 at 4:32 PM, William Greenley
> <wgreenley@gmail.com <mailto:wgreenley@gmail.com>> wrote:
>
> Will be having 4 sets of headset jacks in a console
> between the front seats in my RV-10. I would like to make
> the console removeable. Would it create an interferance
> problem if I use a molex connector or something comprable
> to serve as a disconnect. The shield would be connected
> to a pin so it would carry through the connector.
>
>
> I agree with Sebastien. My experience with troubleshooting
> electric/electronic issues one goes to the connectors first. Some
> say adding a connector increases problems 10-100 fold. Just
> lengthen the wire a bit for access. EE
>
Agreed, but machined pin sub-D's are incredibly reliable. I've used
sub-D's to allow unplugging everything in my panel. I don't have the
same confidence in molex connectors, though.
Charlie
Message 10
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| Subject: | Re: Headset jacks wiring |
William,
Ill send you a pick of mine. I used db9 connectors just as you suggest.
Will
On Jan 20, 2017 21:10, "William Greenley" <wgreenley@gmail.com> wrote:
> I am working on the wiring harness and it struck me that it be nice just
> to have this as a separate module, easier to manage for the wiring and then
> also easy to get the console totally out of the way.
>
> On Jan 20, 2017 8:58 PM, "Sebastien" <cluros@gmail.com> wrote:
>
>> Wouldn't it be easier to leave 2 extra feet of wire coiled up so that
>> when you remove the panel you can just put it aside?
>>
>> On Fri, Jan 20, 2017 at 4:32 PM, William Greenley <wgreenley@gmail.com>
>> wrote:
>>
>>> Will be having 4 sets of headset jacks in a console between the front
>>> seats in my RV-10. I would like to make the console removeable. Would it
>>> create an interferance problem if I use a molex connector or something
>>> comprable to serve as a disconnect. The shield would be connected to a pin
>>> so it would carry through the connector.
>>>
>>
>>
Message 11
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| Subject: | Re: Starter Contactors |
nuckolls.bob(at)aeroelect wrote:
> At 03:51 PM 6/25/2015, you wrote:
>
> >
> > Just curious what the advantage might be to wiring according to Skytec. You
get rid of starter relay, but you have to replace standard aviation mag/starter
switch with one that will carry 30 amps of current, or roughly 360 watts.
Does anyone even make an ignition switch that can handle that load, or would you
have to split off the starter to a separate toggle that can handle the current?
>
> That 30A number is exceedingly transient.
> Further, switches are 'rated' in rather
> conventional sense that strives for tens
> of thousands of operating cycles at the
> specified load.
>
> The starter engagement switch in an airplane
> sees only hundreds of cycles per year and
> most even fewer.
>
> The AD against the legacy ACS510 was a response
> to the extra ordinary wear for having been
> tasked with controlling the modern solenoid-
> contactor where a major improvement in service
> life was achieved by simply adding the diode to
> mitigate contact-opening stress as opposed
> to contact closure stresses. This fix alone seems
> to have achieve a satisfactory service life
> when driving the solenoid-contactor.
>
> There are some solid state options for relieving
> stresses on the starter switch. A device like
> the BTS50055 hi-side switch from Infineon can
> be incorporated as a robust, solid state switch
> to handle the solenoid-coil current thus dropping
> switch current to mere milliamps.
>
> http://tinyurl.com/q9q5h74
>
> There is another option for adding the external
> contactor on a PM starter and dealing with the
> run-on problem.
>
> [img]cid:.0[/img]
>
> You can use the contactor's "I" terminal
> to energize the solenoid-contactor yet
> release it the same time that the starter
> switch opens.
>
> It seems that there are a lot more after market
> opportunities to buffer the load presented
> to and EXISTING or legacy start switch than
> there is to replace it with something with
> an extra-ordinary specification for robustness.
>
>
>
>
> Bob . . .
If I wanted to add a starter engaged light connected to "I" while using that terminal
to engage the starter solenoid would it work to place a good sized resistor
in series with the lamp?
dave
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=465297#465297
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