REFLECTOR: Battery Advice
Rich Ervin
rich_ervin at hotmail.com
Mon Dec 10 18:36:51 CST 2012
Also, you will no longer need an airplane.
CC: reflector at tvbf.org
From: slvegl99 at aol.com
Date: Mon, 10 Dec 2012 19:12:43 -0500
To: reflector at tvbf.org
Subject: Re: REFLECTOR: Battery Advice
Hey guys if you move south all of these cold-weather issues become non-issues.
Bob Wood
Sent from my iPad
On Dec 10, 2012, at 7:06 PM, Scott Derrick <scott at tnstaafl.net> wrote:
Yeah, It's not a regular thing, I always try to preheat the cabin
and engine at home when temps are below 40.
When I have to do a cold start like that, if its sunny I will turn
the plane so the sun is shining on the engine end for 30 minutes or
so. I also will turn the engine through by hand 6-8 times, just
prior to start.
I talk to a lot of old timers that say we baby our planes, they
routinely started engines at 0-32 degrees with out preheat 30-40
years ago.
Actually the wires and starter work much better at that temp. The
battery certainly doesn't but thats chemistry, and the engine oil
certainly doesn't like to move as well!
Scott
-------- Original Message --------
Subject: Re: REFLECTOR: Battery Advice
From: Mark Magee <edjonesbrady at gmail.com>
To: Velocity Aircraft Owners and Builders list
<reflector at tvbf.org>
Date: 12/10/2012 04:30 PM
That's impressive! Cold soaking anything that has to move
(even electrons!) to 0 DEG F is frightening to me. I know I
couldn't start squat if I was cold soaked to 0 DEGF... :)
Mark B. Magee
Sent from IPhone 4S
On Dec 10, 2012, at 4:27 PM, Scott Derrick <scott at tnstaafl.net>
wrote:
I've been using Odysseys for over 10 years now. I've started
with the battery at -10 many a time. Engine and cabin is
pre-heated but not the nose compartment where the battery is.
Ive started a few times at TVL and CXP with the whole plane
cold soaked to 0f.
Scott
-------- Original Message
--------
Subject: Re: REFLECTOR: Battery Advice
From: Ruben Creus <ruben at vainneg.com>
To: 'Velocity Aircraft Owners and Builders list' <reflector at tvbf.org>
Date: 12/10/2012 01:27 PM
Talking
about batteries, It is time to change mine; we
had some discharges over time and not holding
well now. I am thinking on an Odyssey 925. Crack
power sounds good, but cold amps suck 330.
Talking with Odyssey, they tell me that the
standard CCA is for 30 seconds, but their
technology is designed to give all the best on
the 5 first seconds, and when cold, it should
give at least 500 for the 5 seconds.
Any of you
have any experience with Odyssey. Are these
claims right? I live in the DC area, so not to
bad, but few days a year, we easily are below
freezing level, and wonder if anyone has already
played with freezing temperatures and batteries.
I also saw
the AEROVOLTZ Phosphate Lithium, pretty cool!!
410 CCA for 3lbs weight!! Maybe two of those
would be better.
Ruben G.
Creus
Ë
+1.571.215.0025
* ruben at vainneg.com
From:
Laurence Coen [mailto:lwcoen at hotmail.com]
Sent:
Monday, December 10, 2012 12:36 PM
To:
Velocity
Aircraft Owners and Builders list
Subject:
Re: REFLECTOR: Battery
Advice
Grover,
Charging
a totally discharged Optima is a problem but
can be done. I talked my brother into buying
an Optima for his boat based on my experience
with the one in my airplane. He left the
master on for two weeks on his sailboat and
completely killed his 6 month old Optima. He
had one of those new fangled automatic charges
that told him the battery was bad and couldn't
be charged. I hooked it up on a 40 year old
Sears charger and recharged it and it is still
in use 4 years later and working fine. When I
first put it on the charger it only took about
1 amp. Several hours later the current went
to 10 amps and the battery charged normally.
I think you are right in that totally
discharging an AGM type battery is really bad
for them and is certainly not good for any
battery.
Larry
Coen
N136LC
From:
Grover
McNair
Sent:
Monday, December 10, 2012 10:37 AM
To:
'Velocity
Aircraft Owners and Builders list'
Subject:
Re: REFLECTOR: Battery
Advice
Rich &
Mark,
Being in
the automotive business for 30+ years, I have
seen a number of problems with gel cell
batteries like the Optima. Most of the problems
originate from the batteries being run down
completely. They can be very hard to recharge
when drained, even when relatively new. This is
a link for proper charging of Optima batteries:
http://www.optimabatteries.com/us/en/support/battery-care/charging/
I chose to
use a standard Group 31 battery in my 173FG.
Grover
McNair
From: reflector-bounces at tvbf.org
[mailto:reflector-bounces at tvbf.org]
On Behalf Of
Mark Magee
Sent:
Sunday, December 09, 2012 9:25 PM
To:
Velocity
Aircraft Owners and Builders list
Subject:
Re: REFLECTOR: Battery
Advice
Optima's have gone up
in price recently. The used to be less expensive
than any certificated battery. I love them for
they have such a long shelf life. I have one out
in the garage that's probably 6 or 7 years old I
use to jump off any dead battery. Still kickin'
strong.
Mark
On Sun,
Dec 9, 2012 at 8:09 PM, Rich Ervin <rich_ervin at hotmail.com>
wrote:
I've been hearing
talk about the optima. Right now I'm in
"triage" mode - nowhere close to
gold-plating the system.
I will look into the Optima's and if the
price is not unreasonable I'll buy that
instead - I'm sure it's not more than $100
or more...
CC: reflector at tvbf.org
From: edjonesbrady at gmail.com
Date: Sun, 9 Dec 2012 20:01:03 -0600
To: reflector at tvbf.org
Subject: Re: REFLECTOR: Battery
Advice
Hi Rich,
I
thought I'd throw this over to you
and the group: is anyone using
Optima or similar AGM batteries.
When my Odessey goes I will
consider an Optima or Johnson
Control AGM battery. I've fairly
good results with the Optimas,
when properly sized.
Mark B. Magee
N34XL
Sent
from IPhone 4S
On Dec 9, 2012, at 7:44 PM, Rich
Ervin <rich_ervin at hotmail.com>
wrote:
That's
very generous, but I am not
someplace warm, and I will
need to replace this battery
anyway so I think I'll need to
just get the order turned in -
maybe this week.
From:
wjwilbeck at gmail.com
To: reflector at tvbf.org
Date: Sun, 9 Dec 2012
15:20:51 -0600
Subject: Re: REFLECTOR: Battery
Advice
Hello Rich,
I have a 4 year old Odyssey
Battery that I replaced in
my Velocity.
It tests fine but I will
not fly with it.
If you live somewhere warm,
I would consider flying it
down to you sometime.
wj
From: reflector-bounces at tvbf.org
[mailto:reflector-bounces at tvbf.org]
On
Behalf Of Rich
Ervin
Sent:
Saturday, December 08,
2012 9:49 PM
To:
reflector at tvbf.org
Subject:
REFLECTOR: Battery
Advice
I have an airplane
battery which was dead
for 10 years, but had
very little usage prior
to that (only a month or
so).
I want to use this
battery just for
starting and possibly
some slow-speed taxi
work. I plan to order a
new battery, but I'd
like to continue working
on this plane using the
old battery until I'm
ready to permanently
install (and properly
maintain) a new one.
I've already tried
charging it, and it
didn't seem to take a
lick. I only charged for
about 15 or 20 minutes
though - once on a
medium speed charger,
then connected to a car
battery with the engine
running.
Does anyone have a tip
for reconditioning the
battery for temporary
use?
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