Today's Message Index:
----------------------
1. 05:59 AM - Re: PASS-THROUGH CHARGER (Tundra10)
2. 06:41 AM - Re: Re: PASS-THROUGH CHARGER (C&K)
3. 09:59 AM - Re: Re: Liberty Field Flyers (Richard Girard)
4. 02:13 PM - PASS-THROUGH CHARGER (FLYaDIVE)
5. 02:38 PM - Re: Re: PASS-THROUGH CHARGER (FLYaDIVE)
6. 03:55 PM - Re: Re: PASS-THROUGH CHARGER (Robert L. Nuckolls, III)
7. 03:59 PM - Re: Re: PASS-THROUGH CHARGER (Robert L. Nuckolls, III)
Message 1
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Subject: | Re: PASS-THROUGH CHARGER |
I once read a modification that changes the file system of the Stratux to read
only, which mostly requires turning off logging. This will pretty much eliminate
problems corrupting the file system by powering off without a shutdown.
I just use whatever cheap cigarette lighter 5V USB adapter is handy and unplug
the Pi at the end of the flight. I have done this for probably 50 flights by
now. None of the USB adapters has caused EMI problems.
When the file system gets corrupted, I will try the read only modification.
Jeff Page
Dream Aircraft Tundra #10
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=483600#483600
Message 2
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Subject: | Re: PASS-THROUGH CHARGER |
Same here except I don't even unplug it but just let it go on and off
with the battery master. I've had the original cobbled together stratux
for several years so I don't know if later versions are less tolerant or
I'm just lucky. Cheap USB adapters have been OK. I suspect that since
we mostly hear from folks who have a problem, we tend to over estimate
how frequent the problems actually are.
Ken
On 04/10/2018 8:58 AM, Tundra10 wrote:
>
> I once read a modification that changes the file system of the Stratux to read
only, which mostly requires turning off logging. This will pretty much eliminate
problems corrupting the file system by powering off without a shutdown.
> I just use whatever cheap cigarette lighter 5V USB adapter is handy and unplug
the Pi at the end of the flight. I have done this for probably 50 flights by
now. None of the USB adapters has caused EMI problems.
> When the file system gets corrupted, I will try the read only modification.
>
> Jeff Page
> Dream Aircraft Tundra #10
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=483600#483600
>
>
Message 3
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Subject: | Re: Liberty Field Flyers |
No offence Les, but how is this appropriate to the Aeroelectric forum?
Rick Girard
On Thu, Oct 4, 2018 at 12:54 AM Les Goldner <lgold@quantum-associates.com>
wrote:
> No.
> Sa=C3=BD, why not have the Xmas party at your home?
>
>
> Sent from my Verizon, Samsung Galaxy smartphone
>
>
> -------- Original message --------
> From: Harry Torgovitsky <torgovitsky@comcast.net>
> Date: 10/3/18 18:11 (GMT-08:00)
> To: lgold@quantum-associates.com
> Subject: Re: Liberty Field Flyers
>
> Hi Les,
>
> Looks like Bill won't be back in time for our meeting. Do you know of any
> other speaker we could get?
>
> Thanks,
> Harry
>
>
> -------- Forwarded Message --------
> Subject: Re: Liberty Field Flyers
> Date: Wed, 03 Oct 2018 17:55:03 -0700
> From: Bill Sherlock <aircraftservice@me.com> <aircraftservice@me.com>
> To: Harry Torgovitsky <torgovitsky@comcast.net> <torgovitsky@comcast.net>
>
> Hi Harry,
>
> Unfortunately no, I hadn=99t realized, but I actually fly home on f
rom Indiana on the 13th. Really sorry.
>
> I=99ll ask Linda about the Xmas party when she gets back from Rwand
a.
>
> Bill
>
>
> > On Oct 3, 2018, at 8:43 AM, Harry Torgovitsky <torgovitsky@comcast.net>
<torgovitsky@comcast.net> wrote:
> >
> > Hi Bill,
> >
> > I forgot to ask if you'll still be available to be the speaker at our m
eeting on October 13th. Please let me know.
> >
> > Thanks,
> > Harry
> >
> >
> >
>
>
--
=9CBlessed are the cracked, for they shall let in the light.=9D
Groucho Marx
<http://www.goodreads.com/author/show/43244.Groucho_Marx>
Message 4
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Subject: | PASS-THROUGH CHARGER |
Hi Werner:
I did not consider a DC - DC Converter... when you say clean, you are
referring to no noise over radios and headsets?
I guess if I go that direction the only other thing would be a charger for
the battery?
Going to Mouser right now.
Thanks Werner,
Barry
On Wednesday, October 3, 2018, Werner Schneider <glastar@gmx.net> wrote:
> >
>
> Barry,
>
> I have very good experience with Traco Power DC-DC converters, they come
> in all kind of varieties, also high power once, they are clean and work
> perfect since over 15 years in my plane
>
> Mouser does sell them
>
> Cheers Werner
>
>
Message 5
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Subject: | Re: PASS-THROUGH CHARGER |
Dave:
Very good point.
I read only ONE review where they stated RFI/NOISE.
Just last night I came from a meeting where others (2 ea) have used the 12
VDC to an adjustable 5 VDC Converter and did not have ANY noise issues.
The only point they bring up is DO NOT turn on and off the converter
rapidly or under heavy/full load. Other than that all is good. I think
I'm going to look for a robust converter and use it. Along with a simple
DPST switch and a Battery backup (12 VDC @ 12 AH).
THANK YOU GUYS,
Barry
On Wed, Oct 3, 2018 at 5:36 PM BMC_Dave <bmcdave85@gmail.com> wrote:
>
> I'm needing to do the same for my Stratux. Looking at these converters it
> seems they like to belt out the EMI. Have you had any issues with yours?
>
> I found this one that's nice and sealed too:
>
>
> https://www.amazon.com/dp/B06WVLFYJH/ref=sspa_dk_detail_4?pd_rd_i=B06
WVLFYJH&pf_rd_m=ATVPDKIKX0DER&pf_rd_p=f52e26da-1287-4616-824b-efc564ff7
5a4&pf_rd_r=M3XWWYVBPFRG1XHN219V&pd_rd_wg=Z6c64&pf_rd_s=desktop-dp-si
ms&pf_rd_t=40701&pd_rd_w=qoucR&pf_rd_i=desktop-dp-sims&pd_rd_r=427a
9c19-c751-11e8-8c11-7fd735fac2a8&th=1
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=483579#483579
>
>
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>
>
Message 6
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Subject: | Re: PASS-THROUGH CHARGER |
>
>Bob, I'd be interested to see your OV protection circuit. I don't
>have an immediate need for it, but it sounds like something useful
>to add to my toolbox. Thanks.
>
>Eric
Emacs!
It's a variation on the crowbar protection
system . . . but instead of breaking the
DC/DC converter's output feeder, you break
the power input feeder. The trip point is
precisely set at 5.2V
Bob . . .
Message 7
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Subject: | Re: PASS-THROUGH CHARGER |
>Just last night I came from a meeting where
>others (2 ea) have used the 12 VDC to an
>adjustable 5 VDC Converter and did not have ANY noise issues.=C2 =C2
>The only point they bring up is DO NOT turn on
>and off the converter rapidly or under heavy/full load.
Can't imagine why this would be. What's the
risk? These devices tend to have built
in current limiting and soft start features.
Bob . . .
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