Today's Message Index:
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1. 12:13 AM - Google Fiber (newastrums)
2. 01:04 AM - Speaking of battery issues... (GLEN MATEJCEK)
3. 06:13 AM - Re: Re: Z-19 Function (j. davis)
4. 07:57 AM - Re: Speaking of battery issues... (BobsV35B@aol.com)
5. 08:30 AM - Re: Shield wiring (Robert L. Nuckolls, III)
6. 11:13 AM - Re: Z-19 Function (user9253)
7. 12:49 PM - Re: Re: Z-19 Function (Robert L. Nuckolls, III)
8. 03:30 PM - PC680 (Janet Amtmann)
Message 1
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What's the big deal?
The popularity of streaming video is exploding thanks to the folks at Netflix,
Hulu, and services like them. The result is Internet users require more bandwidth
than ever before. In fact, though it's not quite sweeping the nation yet,
more and more Americans are ditching cable companies altogether -- "cutting the
cord," so to speak--much like using cells phones rather than telephone landlines.
Nearly 20% of Americans go without cable, choosing instead to stream online shows
and watch movies courtesy of Netflix and its competitors. Let's face it, who
wouldn't want to tell their cable company good riddance? As the need for Internet
speed rises, so too will the potential for Google Fiber, let alone Alcatel-Lucent's
solution.
Astrums (http://astrums.net/)
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=429433#429433
Message 2
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| Subject: | Speaking of battery issues... |
Hi Bob-
Were you ever able to glean anything from the Battery Tender Jr I sent you
some time back?
Tnx-
Message 3
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| Subject: | Re: Z-19 Function |
just out of curiosity, Joe, what *are* those two fuel pressures,
respectively? In pounds per square inch? Thanks!
On 26 August 2014 19:48, user9253 <fransew@gmail.com> wrote:
>
> All Van's RV-12 E-LSA and S-LSA aircraft have two fuel pumps that run
> continuously. There is no fuel pump switch to forget to turn on. After
> turning on the master, the fuel pressure is noted with just the electric
> pump running. After engine start, the pilot notes the fuel pressure
> increase with the mechanical engine driven pump also operating.
> Joe
>
> --------
> Joe Gores
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=429398#429398
>
>
--
Regards, J.
-----------------------------
J. Davis,
email: jwd3ca at gmail dot com
*NIX consulting, Medical Imaging research programming
- Zenith STOL CH750 C-FJNJ: Jab 3300, Whilrwind GA prop, AeroCarb
- Sonex #325 (ex)C-FJNJ, Jab 3300a, Prince P-Tip, Aerocarb
- former C-IGGY CH701 owner/builder
- see these and more at http://cleco.ca
Message 4
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| Subject: | Re: Speaking of battery issues... |
Evidently I did not as I do not recall it at all! ?!
Happy Skies,
Old Bob
In a message dated 8/27/2014 3:06:06 A.M. Central Daylight Time,
fly4grins@gmail.com writes:
Hi Bob-
Were you ever able to glean anything from the Battery Tender Jr I sent you
some time back?
Tnx-
Message 5
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| Subject: | Re: Shield wiring |
At 05:40 PM 8/26/2014, you wrote:
>
>Quoted from below
>"Power(+) to the battery bus . . . use a 3A fuse."
>
>I don't think you want the power to this ELT wired to the battery
>bus. The recommended 3 month test requires the power to the ELT to
>be off. We used to get emails from SAR in Canada confirming
>satellite reception for those 3 month tests but I'm always careful
>to make sure my master (power to the ELT) is off when I test.
>
>I picked this ELT specifically because it uses aircraft power to
>pre-process gps position and have the position instantly available
>if the unit is activated. It is news to me if aircraft power is also
>available to supplement battery power for transmissions.
I'll ask ACK . . .
Bob . . .
Message 6
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| Subject: | Re: Z-19 Function |
> just out of curiosity, Joe, what are those two fuel pressures, respectively?
In pounds per square inch? Thanks!
RV-12 fuel pressure with electric pump only is about 3 psi. With the engine driven
pump also running the pressure goes up to about 4 psi. The fuel pressure
senders are not known for accuracy. I pay more attention to the change in pressure,
not the actual numbers.
Joe
--------
Joe Gores
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=429477#429477
Message 7
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| Subject: | Re: Z-19 Function |
At 08:11 AM 8/27/2014, you wrote:
just out of curiosity, Joe, what are those two
fuel pressures, respectively? In pounds per square inch? Thanks!
On 26 August 2014 19:48, user9253 <fransew@gmail.com> wrote:
All Van's RV-12 E-LSA and S-LSA aircraft have two
fuel pumps that run continuously.=C2There is no
fuel pump switch to forget to turn on.=C2After
turning on the master, the fuel pressure is noted
with just the electric pump running.=C2After engine
start, the pilot notes the fuel pressure increase
with the mechanical engine driven pump also operating.
Joe
There you go. Two nails, one hammer, all operations
independently verifiable before take off. Sounds
like he's zeroing in on the elegant fuel delivery
system.
The 'putt-putt' style fuel pumps took a quantum
jump forward with elimination of hard contacts
to pulse the motor. You can't 'hurt' these pumps
by blocking them off . . . they're inherently
pressure limited by the size of a spring that
gets compressed during each power-stroke.
While current draw is kind of 'peaky', the
ENERGY consumed by these pumps is nominal and
goes down during reduced flow rates.
Simple, low parts count, very low wear rates
to moving parts, no highly stressed electrical
parts. Works good, lasts a long time and costs
a pittance.
. . . an evolutionary progression forward
that requires no more hardware or operational
attention than grandpa's Cherokee.
Bob . . .
Message 8
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Just a short comment: I've used PC 680 since before they were PC680 and
never had a problem with one. They started out life as individual 2 volt,
round cells from Gates called Enercells. I used to solder 6 together for
my motorcycles. Then came the 680's and I've used them for motorcycles and
my RV6. Never a problem. I happily pay the premium for the Odyssey
because it seems to be the most reliable battery out there and was the
first that never leaked.
Jurgen Amtmann <jgamtmann2@gmail.com>
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