Today's Message Index:
----------------------
1. 04:55 AM - Re: Footwell got burned! (Eric M. Jones)
2. 07:26 AM - Re: Re: Footwell got burned! (Robert L. Nuckolls, III)
3. 07:27 AM - Re: Re: Footwell got burned! (Dave Saylor)
4. 09:02 AM - Battery Cap Tester (jonlaury)
5. 01:44 PM - Re: Footwell got burned! (Richard Girard)
6. 03:08 PM - Re: Footwell got burned! (Robert L. Nuckolls, III)
7. 09:16 PM - Re: Footwell got burned! (rparigoris)
Message 1
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| Subject: | Re: Footwell got burned! |
I had an Eveready 12V alkaline lantern battery go into melt-down. I jerked it out
of the airplane by the wires and it was so hot it melted the ramp asphalt.
This was the second one that failed but I have no report on how the first one
failed. I was using it to power an intercom. I surmise the internal cells got
crushed from altitude changes, but I really have no clue. But there is some evil
demon inside those things.
--------
Eric M. Jones
www.PerihelionDesign.com
113 Brentwood Drive
Southbridge, MA 01550
(508) 764-2072
emjones(at)charter.net
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=404460#404460
Message 2
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| Subject: | Re: Footwell got burned! |
At 06:54 AM 7/11/2013, you wrote:
>
>I had an Eveready 12V alkaline lantern battery go into melt-down. I
>jerked it out of the airplane by the wires and it was so hot it
>melted the ramp asphalt. This was the second one that failed but I
>have no report on how the first one failed. I was using it to power
>an intercom. I surmise the internal cells got crushed from altitude
>changes, but I really have no clue. But there is some evil demon
>inside those things.
Next time anyone encounters one of these events,
I'd like to have the carcass. I'll do some research
into alkaline meltdown too.
Bob . . .
Message 3
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| Subject: | Re: Footwell got burned! |
All you need is a 1/4" thick stainless steel housing with temp monitoring
equipment and overboard venting.
Seriously, I'm glad you're OK.
Dave Saylor
831-750-0284 CL
Message 4
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| Subject: | Battery Cap Tester |
Bob,
Last October, when I left my Pitot heater on overnight, my PC680 got pulled down
to 7.5v and I mentioned the event in another post. At that time, you said you
were building a batt cap tester to sell on the AEC.
Is it about to launch?
After charging, I've noticed that my PC680 drains from 13 to 11.6v over two weeks
of sitting. My car battery doesn't drain that much even with phantom loads
of the ECU, clock and anything else that I'm not aware of. So I was going to fab
a poorman's cap checker unless you've got something that will save me the trouble.
Thanks,
John
Do Not Archive
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=404477#404477
Message 5
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| Subject: | Re: Footwell got burned! |
Ron, Take pictures and if the lantern battery is within its "good until"
date (not sure Ever Ready has that like Durocell does) contact the company
for A) clean up information, and B) forms for filing a claim for damages.
Rick Girard
do not archive
On Wed, Jul 10, 2013 at 2:02 PM, rparigoris <rparigor@suffolk.lib.ny.us>wrote:
> rparigor@suffolk.lib.ny.us>
>
> Hi Group
>
> I accidentally burned my starboard foot-well!
>
> I replaced my lanterns alkaline battery (EverReady) ~ Christmas 2010. It
> hasn't seen any use since then.
>
> I sit down in front of my Europa XS Mono to study the undercarriage
> mounting frame, need some light. No problem, I grab my lantern that I
> always store with the lens up (in case it is left on), turn it on and use
> it for 5 or so minutes.
>
> I turn it off and rest it on my starboard foot-well, again with the lens
> up.
>
> After about 10 minutes I pick it up, turn it on to use it again and see
> what I think is water on my foot-well, it's turning the Phenolic resin
> black!
>
> I'm not sure just what leaked out of the battery, but it was water clear
> and had the viscosity of 3 in 1 oil.
>
> I was able to get off perhaps 1/2 of the damage, I tried water, alcohol
> and acetone with scotch-bright.
>
> Anyway the resin sure did react quick to whatever it was that leaked out.:
>
> https://skydrive.live.com/redir?resid=550FC20DBDDB521D!1656&authkey=!AEWLOllC2BXrnI0
>
> Ron Parigoris
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=404405#404405
>
>
--
Zulu Delta
Mk IIIC
Thanks, Homer GBYM
It isn't necessary to have relatives in Kansas City in order to be unhappy.
- Groucho Marx
Message 6
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| Subject: | Re: Footwell got burned! |
>
>On Wed, Jul 10, 2013 at 2:02 PM, rparigoris
><<mailto:rparigor@suffolk.lib.ny.us>rparigor@suffolk.lib.ny.us> wrote:
><<mailto:rparigor@suffolk.lib.ny.us>rparigor@suffolk.lib.ny.us>
>
>Hi Group
>
>I accidentally burned my starboard foot-well!
>
>I replaced my lanterns alkaline battery (EverReady) ~ Christmas
>2010. It hasn't seen any use since then.
>
>I sit down in front of my Europa XS Mono to study the undercarriage
>mounting frame, need some light. No problem, I grab my lantern that
>I always store with the lens up (in case it is left on), turn it on
>and use it for 5 or so minutes.
>
>I turn it off and rest it on my starboard foot-well, again with the lens up.
>
>After about 10 minutes I pick it up, turn it on to use it again and
>see what I think is water on my foot-well, it's turning the Phenolic
>resin black!
>
>I'm not sure just what leaked out of the battery, but it was water
>clear and had the viscosity of 3 in 1 oil.
>
>I was able to get off perhaps 1/2 of the damage, I tried water,
>alcohol and acetone with scotch-bright.
>
>Anyway the resin sure did react quick to whatever it was that leaked out.:
><https://skydrive.live.com/redir?resid=550FC20DBDDB521D!1656&authkey=!AEWLOllC2BXrnI0>https://skydrive.live.com/redir?resid=550FC20DBDDB521D!1656&authkey=!AEWLOllC2BXrnI0
>
>Ron Parigoris
>
Ron, do you still have the carcass? I'll pay postage
and send you a new lantern to boot if I can have
the remains.
Bob . . .
Message 7
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| Subject: | Re: Footwell got burned! |
Hi Bob
I just got in from hangar.
I washed the foot-well with white vinegar tonight to neutralize any base, then
washed with water. The vinegar did not discolor the high temperature Phenolic
resin. The foot-well is kinda porous, even after washing with water, alcohol and
acetone, can still smell a faint amount of vinegar
I picked up the carcass, it wasn't a EverReady battery like I thought, it's a 6
volt Rayovac with an expiration of December 2017.
Where would you like for me to send the carcass? You have sent me stuff in the
past to try out, shipping is on me this time around.
Here's exactly what happened:
I installed this battery in the lantern in December 2010 and stored it with the
lens facing up. The opposite side of lens of the lantern is water tight, so it
leaked and caused no damage to the lantern at all but collected in this watertight
side.
While doing my inspection on the front of my Europa, I was picking up and putting
down the lantern, lens down several times. During those cycles the clear liquid
leaked past the threads of the lens and soaked my foot-well. Then I turned
the lantern off and put it lens up on the foot-well and noticed the liquid.
Since the liquid was on components of the lantern for a very short time, and I
washed it off, no damage occurred.
Ron Parigoris
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=404523#404523
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