Today's Message Index:
----------------------
1. 12:00 PM - Crimping lugs onto CCA Cable (Paul McAllister)
2. 01:21 PM - Re: Re: Odyssey Battery Alternative - ANOTHER DATA POINT (Bill Schlatterer)
3. 08:38 PM - Com Antenna Install (lwhitlow)
4. 08:42 PM - Dynon Ammeter Shunt (lwhitlow)
Message 1
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Subject: | Crimping lugs onto CCA Cable |
HI All,
I am moving the battery in my Europa further aft and I have decided to remo
ve the welding cable and use the copper clad aluminum cable that Eric sells
.-
I noticed a thread a while back discussing the issue of soldering wicking i
ts way up the cable so I decided to crimp my lugs instead, however I was wo
ndering if there is any issue with the aluminum "creeping" over time.-
The reason I ask is that there was a trend about 30 years ago to use alumin
um cable in heavy industry, but they found the cost of ongoing maintenance
out weighed the costs savings of the cheaper cable.
Anyhow,- any input or best practices would be appreciated.
Thanks,- Paul
=0A=0A=0A
Message 2
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Subject: | re: Odyssey Battery Alternative - ANOTHER DATA |
POINT
A note on Odyssey technology. They tell me this applies to the smaller
batteries as well but this specific comparison is on their fleet battery.
Odyssey designs what they term a "initial pulse discharge" ability into the
battery so that you get significantly improved CCA for the first few seconds
which they claim is one of the reasons that their batteries start better.
Discharge over time is also significantly improved. Not all batteries are
designed this way.
If you look at the attached charts, you can see the comparison of initial
discharge rates compared to other competitive batteries. In particular, the
OPTIMA series which is a true "gel" cell "shoot it with a rifle and still
crank the car" battery. OPTIMA is a great battery, just too heavy for our
purposes but the Odyssey is better. No comparison at all to the lead acid
group.
Not sure if this applies to all AGM class batteries but Odyssey made a
believer out of me with regard to their technology.
I also think their data is accurate.
Just another "something to think about"?
Bill S
7a finishing.
-----Original Message-----
From: owner-aeroelectric-list-server@matronics.com
[mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of Robert L.
Nuckolls, III
Sent: Saturday, April 04, 2009 9:27 PM
Subject: AeroElectric-List: re: Odyssey Battery Alternative
--> <nuckolls.bob@aeroelectric.com>
At 03:25 PM 4/4/2009, you wrote:
>Has anyone used one of these batteries and have any info/user reports
>that may be useful in determining whether it's suitable in an aircraft?
>Their site lists this as a "sealed valve regulated design," is this
>comparable to the AGM batteries Odyssey sells?
See
http://en.wikipedia.org/wiki/VRLA
RG (recombinant gas), AGM (absorbed glass mat), VRSLA (valve
regulated sealed lead acid), and "starved electrolyte, glass
mat", and perhaps a dozen other variations on the theme are
all siblings. Specific products may claim a superior performance
in some regard like longer shelf life, higher cranking power,
greater ruggedness, virgin lead, etc. etc. Any of these features
may well have proven to add value in the laboratory comparison
with other technologies . . . but in real service aboard airplanes,
the day-to-day "abuses" that depart from the laboratory demonstrations
tend to be the true limiting factor in service life.
Take laboratory grade care of your battery and it will
probably deliver a good service life. Just keep in mind
that all other things being equal, price does not deliver
proportionate increases in ANY performance parameter.
Virtually every battery that does not audibly "slosh"
when you shake it is some form of "sealed" device
and therefore "comparable" to all other products of
the same class . . . lead-acid batteries not open to
atmosphere.
Finally, if the old "slosher" Rebat, Concorde and Gill
batteries of yesteryear were ever considered suitable
for use aboard airplanes, then ANY sealed device you can put
your hands today is MORE suited.
Bob . . .
----------------------------------------)
( . . . a long habit of not thinking )
( a thing wrong, gives it a superficial )
( appearance of being right . . . )
( )
( -Thomas Paine 1776- )
----------------------------------------
Message 3
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Subject: | Com Antenna Install |
Hi All
Attached is a picture of my COM antenna. To be mounted in the reinforced portion
of the turtledeck on the upper rear of the Baggage area on my Zenith 601XL
Question is How do I hook it up?? Crimp a ring terminal on to the center conductor
of the RG-400 and attach that with the nut to the bottom of the antenna,
and attach another ring terminal to the shield and connect it to WHERE???
Help me or gurus of the RF
Larry
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=238744#238744
Attachments:
http://forums.matronics.com//files/img_0111_137.jpg
Message 4
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Subject: | Dynon Ammeter Shunt |
Ok one more question
I have a Jab 3300 on my 601 XL i'm using a DYNON EMS-D120
Where should I connect the shunt to be the most useful
Ive seen a diagram floating around showing the various connection options and what
you wind up measuring but I can't seen to find it now and I'm hot and heavy
into pulling wire.
Thanks in advance
Larry
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=238745#238745
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