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nuckollsr(at)cox.net
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 Posted: Fri Dec 01, 2006 8:23 am Post subject: Super-Battery pedigree? |
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At 12:33 PM 11/30/2006 -0500, you wrote:
| Quote: | Hi Bob,
Got your email from a builder friend of mine. I guess you are an electrics
expert, so perhaps you can answer my battery questions.
I fly a Glasair I RG that I finished in 1988. In 1986, when I began to
work on the retractable gear, I bought a 12 volt sealed battery from a
company in Scottsdale, AZ called Electromarketing. I found them in Sport
Aviation.
Long story short, that battery is still ticking in my Glasair. About 3
years ago in the winter, it didn't have quite enough umph to start, so I
put a trickle charger on it that came with the battery. It was so old,
that the polarity had fallen off. I figured 50-50 chance and left it
overnight charging. The next day the battery was stone dead. It wouldn't
close the relay. I figured my magic battery was finally dead. However, I
extracted it from the battery box in the tail and brought it home and put
a different charger on it. Back to life she came. I had not opened that
battery box in over 15 years.
Have you ever heard of a battery lasting this long?
Do you know what happened to that company? I'd like to buy another battery
from them if the need ever arises.
I still have the receipt from that company, but have been unable to find
them. I asked EAA about it years ago, but never got a response.
|
I'm sorry, I'm not familiar with that company.
They are probably a distributor and not a manufacturer.
I'm not aware of anyone having the success you've
experienced. When that battery finally becomes unserviceable
in your airplane, you might consider shipping it to
me. I'll see if I can identify the source.
Bob . . .
---------------------------------------------------------
< What is so wonderful about scientific truth...is that >
< the authority which determines whether there can be >
< debate or not does not reside in some fraternity of >
< scientists; nor is it divine. The authority rests >
< with experiment. >
< --Lawrence M. Krauss >
---------------------------------------------------------
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ed(at)muellerartcover.com
Guest
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| Posted: Mon Dec 04, 2006 11:20 am Post subject: Super-Battery pedigree? |
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I seem to recall that some Mazda Miata's (not all) had a special battery
with an ~10 year life span. Maybe follow that lead.
Ed Mueller
N3730G
RV10 in Progress
Robert L. Nuckolls, III wrote:
| Quote: |
<nuckollsr(at)cox.net>
At 12:33 PM 11/30/2006 -0500, you wrote:
> Hi Bob,
>
> Got your email from a builder friend of mine. I guess you are an
> electrics expert, so perhaps you can answer my battery questions.
>
> I fly a Glasair I RG that I finished in 1988. In 1986, when I began
> to work on the retractable gear, I bought a 12 volt sealed battery
> from a company in Scottsdale, AZ called Electromarketing. I found
> them in Sport Aviation.
>
> Long story short, that battery is still ticking in my Glasair. About
> 3 years ago in the winter, it didn't have quite enough umph to start,
> so I put a trickle charger on it that came with the battery. It was
> so old, that the polarity had fallen off. I figured 50-50 chance and
> left it overnight charging. The next day the battery was stone dead.
> It wouldn't close the relay. I figured my magic battery was finally
> dead. However, I extracted it from the battery box in the tail and
> brought it home and put a different charger on it. Back to life she
> came. I had not opened that battery box in over 15 years.
>
> Have you ever heard of a battery lasting this long?
>
> Do you know what happened to that company? I'd like to buy another
> battery from them if the need ever arises.
>
> I still have the receipt from that company, but have been unable to
> find them. I asked EAA about it years ago, but never got a response.
I'm sorry, I'm not familiar with that company.
They are probably a distributor and not a manufacturer.
I'm not aware of anyone having the success you've
experienced. When that battery finally becomes unserviceable
in your airplane, you might consider shipping it to
me. I'll see if I can identify the source.
Bob . . .
---------------------------------------------------------
< What is so wonderful about scientific truth...is that >
< the authority which determines whether there can be >
< debate or not does not reside in some fraternity of >
< scientists; nor is it divine. The authority rests >
< with experiment. >
< --Lawrence M. Krauss >
---------------------------------------------------------
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Terry Watson
Joined: 09 Jan 2006
Posts: 290
Location: Seattle, WA USA
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| Posted: Mon Dec 04, 2006 12:05 pm Post subject: Super-Battery pedigree? |
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They have a special battery alright. It mounts in the trunk and has two
small tubes to vent gases to the outside, but I sure haven't been getting 10
years out of them, but maybe there is a special one that I don't know about.
There is at least one after market battery available for the Miata, but I
usually go to the dealer and pay the Big Price (around $100).
Terry
Rv-8A in progress
'92 Miata since '95
I seem to recall that some Mazda Miata's (not all) had a special battery
with an ~10 year life span. Maybe follow that lead.
Ed Mueller
N3730G
RV10 in Progress
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robh(at)hyperion-ef.us
Guest
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| Posted: Mon Dec 04, 2006 1:41 pm Post subject: Super-Battery pedigree? |
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As the original owner of a '95 Miata I know that the original battery lasted
just a bit longer than ten years, but I also know that here in SoCal the
climate imposes no real demands on the battery so getting that "long" life
probably says nothing about the battery. As far as I can tell (from the
lack of standard size aftermarket batteries that will fit, a total of zero
that I've found) this is a non-standard SIZE specified by Mazda to fit into
a tight space and there is not anything special about the design. Aside
from the size the only difference I can see is the outrageous price.
Best regards,
Rob Housman
A070
Airframe complete
Irvine, CA
--
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