Today's Message Index:
----------------------
1. 02:54 AM - Re: Re: Rotax 912iS : alternator relay ? (GTH)
2. 05:20 AM - Re: Hot alternator (Robert L. Nuckolls, III)
3. 05:42 AM - Re: Hot alternator (Carlos Trigo)
4. 06:43 AM - Re: Hot alternator (Robert L. Nuckolls, III)
5. 09:41 AM - Re: Hot alternator (Robert L. Nuckolls, III)
6. 09:50 AM - Re: iew as a disrespectful and racist moniker (Robert L. Nuckolls, III)
7. 10:14 AM - Re: iew as a disrespectful and racist moniker (William Hunter)
8. 11:50 AM - Re: iew as a disrespectful and racist moniker ()
Message 1
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| Subject: | Re: Rotax 912iS : alternator relay ? |
Le 10/01/2017 05:19, user9253 a crit :
>
> Gilles,
> I modified your schematic and added information gleaned from Rotax-Owner.com.
> As for over-voltage protection, an alternator switch could be inserted in the
wire going to X3.3 It might take you a minute or two to recognize the over-voltage
condition and shut off the switch. But most modern avionics are rated
up to 30 volts. And the battery will resist the increased voltage for a while.
Hundreds of RV-12s are flying without over-voltage protection. I am not necessarily
recommending not installing over-voltage protection, but it is an option.
Joe,
Thank you for having taken the time to examine and comment the schematic.
You are right, most avionics can withstand up to 30 V, but unfortunately
not all of the appliances in the project, and my partners are asking for
some protection.
Initially I thought that the built-in Rotax OV protection would be
enough, but as some owners had over-voltage events, obviously the
voltage regulators can fail (there has already been a regulator update
by Rotax), and the OV protection did not catch or contain the event.
So I'm wondering...
Thank you for your help,
--
Best regards,
Gilles
http://contrails.free.fr
http://lapierre.skunkworks.free.fr
Message 2
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| Subject: | Re: Hot alternator |
At 11:02 AM 1/9/2017, you wrote:
>That means that if I had the Alt field off, i.e only the Master
>switch On, the Alternator would not have got hot... right?
>
>I do have a split Master switch / Alt Field switch.
Is your alternator internally or externally
regulated?
Bob . . .
Message 3
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| Subject: | Re: Hot alternator |
Bob
It is internally regulated 60A Plane Power, which has built-in crowbar OV pr
otection.
CT
Enviado do meu iPhone
No dia 10/01/2017, =C3-s 00:21, Robert L. Nuckolls, III <nuckolls.bob@aero
electric.com> escreveu:
> At 11:02 AM 1/9/2017, you wrote:
>> That means that if I had the Alt field off, i.e only the Master switch On
, the Alternator would not have got hot... right?
>>
>> I do have a split Master switch / Alt Field switch.
>
> Is your alternator internally or externally
> regulated?
>
>
> Bob . . .
Message 4
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| Subject: | Re: Hot alternator |
At 07:36 AM 1/10/2017, you wrote:
>Bob
>
>It is internally regulated 60A Plane Power, which has built-in
>crowbar OV protection.
Okay, it is my understanding that P-P brings field supply
lead out for ABSOLUTE alternator control. Hence, leaving
the alternator side of your split rocker OFF should relieve
the battery of an unnecessary load during ground ops . . .
and leave your alternator cool.
Bob . . .
Message 5
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| Subject: | Re: Hot alternator |
At 09:45 PM 1/9/2017, you wrote:
>Yep, that's right. I just pull the field breaker. My alternator
>comes on with the battery. I don't have a separate position for
>alternator + battery.
Works good . . . lasts a long time.
Bob . . .
Message 6
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| Subject: | Re: iew as a disrespectful and racist moniker |
At 07:43 PM 1/9/2017, you wrote:
>
>F*** off spammer
Joe . . . you're getting sucked into precisely
the mind set the spammer is looking for . . . there
is a 100% chance that the source of this mischief
never looks into the communities he/she targets.
In the months leading up to xmas, someone was
spoofing my e-mail address sending spam to what
had to be thousands . . . if any of the 'targets'
believed me to be the true source of the traffic,
they never showed it to me . . . didn't get a
single unhappy 'reply'.
Matt arm wrestled the situation to ground and
all the stars are once again re-aligned in my
universe. But now we see the work-product of
a different activity. Not sure how it's getting
posted to the list . . . the 'author' doesn't
show up on the list of subscribers to any
Matronics forum. So once again, Matt has another
cyber headache to cure . . . and a bottle of
Jack probably won't get it.
The VERY BEST thing we can do is exercise the
delete key and go on about our business . . .
and just because the yearly donation season
for Matronics forums is closed doesn't mean
we can't continue to sweeten the operating
kitty for Matt's endeavors.
Fly comfortably my friend . . .
Bob . . .
Message 7
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| Subject: | iew as a disrespectful and racist moniker |
> The VERY BEST thing we can do is exercise the
delete key and go on about our business . . .
The very.VERY.BEST thing in addition to the delete key is to exercise the
"report as spam" key and the blueberry gets squashed locally in your
computer.and then the wonders of Norton or your favorite anti-spam software
will report Mr. Blueberry to the collective and then other local computers
will automatically step on the blueberry. Then of course the process
repeats.
..
Cheers!!!
Bill Hunter
From: owner-aeroelectric-list-server@matronics.com
[mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of Robert L.
Nuckolls, III
Sent: Tuesday, January 10, 2017 9:48 AM
Subject: Re: AeroElectric-List: iew as a disrespectful and racist moniker
At 07:43 PM 1/9/2017, you wrote:
<mailto:joemotis@gmail.com> >
F*** off spammer
Joe . . . you're getting sucked into precisely
the mind set the spammer is looking for . . . there
is a 100% chance that the source of this mischief
never looks into the communities he/she targets.
In the months leading up to xmas, someone was
spoofing my e-mail address sending spam to what
had to be thousands . . . if any of the 'targets'
believed me to be the true source of the traffic,
they never showed it to me . . . didn't get a
single unhappy 'reply'.
Matt arm wrestled the situation to ground and
all the stars are once again re-aligned in my
universe. But now we see the work-product of
a different activity. Not sure how it's getting
posted to the list . . . the 'author' doesn't
show up on the list of subscribers to any
Matronics forum. So once again, Matt has another
cyber headache to cure . . . and a bottle of
Jack probably won't get it.
The VERY BEST thing we can do is exercise the
delete key and go on about our business . . .
and just because the yearly donation season
for Matronics forums is closed doesn't mean
we can't continue to sweeten the operating
kitty for Matt's endeavors.
Fly comfortably my friend . . .
Bob . . .
Message 8
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| Subject: | iew as a disrespectful and racist moniker |
I have had my email account hacked twice some years ago. Since then, I don't know
if happened again or not. Not being computer savvy or techno competent, I pondered
what to do to protect my email and address book from a nefarious hacker.
Password changes were not a satisfactory solution. I was hacked 2 days after
a change. I considered leaving my address book blank and typing the address
for every email I sent. That quickly became a royal PIA.. So what could a nontechy
do? I have added an extra integer-letter or number- to every address in
my address book. Should I be hacked again and I'm confident I must have been,
the hacker will only get a list of addresses that are useless. I know this because
I occasionally forget to remove the extra integer or integers when I send
a message and it bounces back with "this address does not exist". It has been
many years since I last was embarrassed by seeing my email used by a hacker.
It is a small inconvenience to remove the added integers before sending a message,
but it's a low tech solution that has worked for me. Now I hope I have not
jinxed myself by making it public. jrh
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