Today's Message Index:
----------------------
1. 05:43 AM - Re: Voltage measurements for Schumacher 1562A (Robert L. Nuckolls, III)
2. 06:49 AM - Schumacher SC-600A (ROGER & JEAN CURTIS)
3. 06:55 AM - Re: Source for Schumacher 1562A ()
4. 08:01 AM - Re: Flap Motor lack of Oomph (John Burnaby)
5. 09:09 AM - Re: Source for Schumacher 1562A (bob noffs)
6. 01:43 PM - Re: Source for Schumacher 1562A ()
7. 04:46 PM - testing for inoperative wig wag? (Erich_Weaver@urscorp.com)
8. 06:33 PM - ANL current limiter mount (Chris Hukill)
9. 09:31 PM - Re: testing for inoperative wig wag? (Chris Hand)
Message 1
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| Subject: | Re: Voltage measurements for Schumacher 1562A |
At 05:34 PM 3/28/2010, you wrote:
>I too checked out the Schumacher 1562A, new version.
>I have a PC680 in my plane. I flew for 2.6 hours last Sunday and did
>not put the charger/maintainer on.
>Today when I got the airport I first checked the voltage of the
>battery. 12.83 VDC. All readings were taken at the battery
>terminals. Next I fired up the 1562A. Initial voltage was 14.2, then
>very quickly up to 14.9. After about a minute the voltage
>stabilized at 14.88 VDC.
>Half hour later 14.86 to 14.87 VDC.
>Hour one 14.83 to 14.84 VDC.
>Hour two. Finally reached float at 13.4 to 13.5 VDC.
>Hour three 13.45 VDC.
>Test concluded. It appears to my untrained eye that the unit is
>functioning properly.
>Bob, please let me know if my assumptions are correct or incorrect.
I think you're correct.
Keep in mind that the art and science of battery
maintaining goes to very long term storage of
batteries where the goal is to supply an EXTERNAL
source of energy that offsets internal leakage
that will ultimately discharge the battery if
left unattended.
In the case of an SLVA battery, this self-discharge
current is quite low. So the routine application of
a maintainer between flights during the flying season
is probably of no great benefit.
Keep in mind too that the devices we're discussing
are also capable of recharging a battery. While not
robust, none of the charger maintainers would be
hard pressed to get a 10% battery back to 100% in
24 to 36 hours.
Any time a battery is recharged, terminal voltage
of the battery right after removal of charge
current will be much higher than the ULTIMATE
OPEN CIRCUIT voltage of just under 13.0 volts
at room temperature. In may take many hours for
this so called "surface charge" to bleed off
such that a maintainer can settle into the
task of long term storage duties.
I think the critical review of a charger/
maintainer is to see that it does conduct a
reasonable charge-top off cycle that doesn't
go much above 15 volts nor less than 14 volts.
The TIME it spends in the top-off mode will
be a function of how deeply discharged the
battery was when the charger/maintainer was
connected and exactly where in the 14-15 volt
range it decides to operate.
But at some time consistent with recharging
duties, it does drop out of the charge/top-off
mode. The system voltage may not drop to the
ultimate maintenance level for many hours. So
once your charger says "I'm done", come back
a day later to see what the maintenance voltage
is. It should be 13.0 to 13.5 volts.
Bob . . .
Message 2
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| Subject: | Schumacher SC-600A |
Bob,
I have a Schumacher SC-600A. It is a switchable 6/12 volt automatic charger
/ maintainer with 3 selectable charging rates of 2, 4, or 6 amp output, with
a microprocessor control. They recommend using the 2 amp for trickle charge
or charging small batteries such as lawn tractor or motorcycle. The 4 amp
is for medium charge of automotive batteries, and the 6 amp for fast charge
of automotive / light truck batteries.
In your years of experience with charge rates of batteries, do you think the
higher rate of 6 amps would even damage a small garden tractor battery?
When I look at automotive alternators with 50 amp outputs I wonder what are
the limits that will cause damage or shortening of useful life of a battery,
provided you don't overcharge?
Roger
Message 3
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| Subject: | Source for Schumacher 1562A |
Jared,
>From what I gathered, the purchaser received a bad dog. The internal
switch is designed for lazy American convenience, not necessarily to be
a failure. Personally they can remove the whole 6 volt thing for me.
Last 6 volt anything I had was a 52' International truck. And positive
ground at that.
Glenn
-----Original Message-----
From: owner-aeroelectric-list-server@matronics.com
[mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of Jared
Yates
Sent: Saturday, March 27, 2010 11:59 PM
Subject: Re: AeroElectric-List: Source for Schumacher 1562A
I noticed that the picture on the walmart site linked below shows the
"new"
style without the 6v-12v switch. Did anyone ever resolve whether the
problem that started this discussion was an isolated anomaly or a
universal feature of the new version of the charger?
On Thu, Mar 25, 2010 at 3:59 PM, <RGent1224@aol.com> wrote:
> Is this what you're looking for??
>
>
> http://www.walmart.com/catalog/product.do?product_id=13005742&findingM
> ethod=rr
>
> Dick
>
> In a message dated 3/25/2010 2:51:04 P.M. Central Daylight Time,
> nuckolls.bob@aeroelectric.com writes:
>
> nuckolls.bob@aeroelectric.com>
>
> At 10:36 AM 3/25/2010, you wrote:
> >--> <chasb@satx.rr.com
> >
> >
> >Where are you guys finding the Shumacher 1562 battery chargers? I
> >looked at WalMart and they carry Shumacher battery chargers, but none
> >of them are labled 1562.
>
> I don't ALWAYS see them on the shelf at my various
> visits to Walmart but they're available more often
> than not.
>
> Bob . . ========================= Use utilities Day
> ================================================ -
MATRONICS
> WEB FORUMS ===============================================
-
> List Contribution Web Site sp;
> ==================================================
>
>
> *
>
> *
>
>
Message 4
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| Subject: | Re: Flap Motor lack of Oomph |
Jerb,
I'll look into that but it has powered the same motor in the past
without a problem.
Thanks,
John
Message 5
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| Subject: | Re: Source for Schumacher 1562A |
i get mine on e bay
bob noffs
On Sat, Mar 27, 2010 at 10:58 PM, Jared Yates <junk@jaredyates.com> wrote:
> I noticed that the picture on the walmart site linked below shows the "new"
> style without the 6v-12v switch. Did anyone ever resolve whether the
> problem that started this discussion was an isolated anomaly or a universal
> feature of the new version of the charger?
>
> On Thu, Mar 25, 2010 at 3:59 PM, <RGent1224@aol.com> wrote:
>
>> Is this what you're looking for??
>>
>>
>> http://www.walmart.com/catalog/product.do?product_id=13005742&findingMethod=rr
>>
>> Dick
>>
>> In a message dated 3/25/2010 2:51:04 P.M. Central Daylight Time,
>> nuckolls.bob@aeroelectric.com writes:
>>
>> nuckolls.bob@aeroelectric.com>
>>
>> At 10:36 AM 3/25/2010, you wrote:
>> chasb@satx.rr.com>
>> >
>> >Where are you guys finding the Shumacher 1562 battery chargers? I
>> >looked at WalMart and they carry Shumacher battery chargers, but none
>> >of them are labled 1562.
>>
>> I don't ALWAYS see them on the shelf at my various
>> visits to Walmart but they're available more often
>> than not.
>>
>> Bob . . Use utilities Day ======================= -
>> MATRONICS WEB FORUMS ======================= - List Contribution
>> Web Site sp;
>>
>>
>>
>> *
>>
>> ist" target="_blank">http://www.matronics.com/Navigator?AeroElectric-List
>> tp://forums.matronics.com
>> _blank">http://www.matronics.com/contribution
>> *
>>
>>
> *
>
> *
>
>
Message 6
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| Subject: | Re: Source for Schumacher 1562A |
I just bought one off Amazon for less than $20.
Rodney Hall
---- bob noffs <icubob@gmail.com> wrote:
>i get mine on e bay=C2- bob noffs
On Sat, Mar 27, 2010 at 10:58 PM, Jared Yates <junk@jaredyates.com> wrote:
I noticed that the picture on the walmart site linked below shows the "new"
style without the 6v-12v switch. =C2-Did anyone ever resolve whether the
problem that started this discussion was an isolated=C2-anomaly or a uni
versal feature of the new version of the charger?=C2-
On Thu, Mar 25, 2010 at 3:59 PM, <RGent1224@aol.com> wrote:
Is this what you're looking for??=C2-http://www.walmart.com/catalog/produ
ct.do?product_id=13005742&findingMethod=rr=C2-Dick=C2-In a message
dated 3/25/2010 2:51:04 P.M. Central Daylight Time, nuckolls.bob@aeroelectr
III" <nuckolls.bob@aeroelectric.com>
At 10:36 AM 3/25/2010, you wrote:
>
>Where are you guys finding the Shumacher 1562 battery chargers?=C2- I
>looked at WalMart and they carry Shumacher battery chargers, but none
>of them are labled 1562.
=C2-=C2- I don't ALWAYS see them on the shelf at my various
=C2-=C2- visits to Walmart but they're available more often
=C2-=C2- than not.
=C2-=C2- Bob=C2- . . Use utilities Day ==========
============= =C2- =C2- =C2- =C2- =C2-
=C2-=C2- - MATRONICS WEB FORUMS =============
========== =C2- =C2- =C2- =C2- =C2-=C2- - L
ist Contribution Web Site sp; =C2- =C2- =C2- =C2- =C2- =C2- =C2
- =C2- =C2- =C2- =C2- =C2-
ist" target="_blank">http://www.matronics.com/Navigator?AeroElectric-List
tp://forums.matronics.com_blank">http://www.matronics.com/contribution
ist" target="_blank">http://www.matronics.com/Navigator?AeroElectric-List
ttp://forums.matronics.com_blank">http://www.matronics.com/contribution
=======================
Message 7
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| Subject: | testing for inoperative wig wag? |
My landing lights no longer wig-wag and I would like to trouble shoot.
My
system is per one of the options described on the Aeroelectric Connecti
on
website (?), and uses a single three-position switch for the landing li
ghts
(off-wigwag-on), a bridge rectifier, and the flasher unit, all wired pe
r
instructions. Everything is fine for both the off and on positions, but
nothing comes on or flashes at all in the wigwag position, and my ammet
er
indicates no current is flowing. I pulled the three-position switch and
tested it with a multimeter - seems to function fine. That would seem
to
leave either the flasher or the bridge rectifier as potential culprits.
Could just buy both and probably be done, but Im sure there must be a w
ay
to trouble shoot these to confirm which has the problem before I order
them. Suggestions?
thanks
Erich
Message 8
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| Subject: | ANL current limiter mount |
Has anyone come up with a mount for ANL current limiters that don't look
like they belong on a tractor? The standard ones in use are either
bulky, ugly and unprotected or the ones the boom box crowd uses are made
of plastic, and don't belong forward of an aircraft firewall, in my
opinion. I have two alternators that I need to protect and could gang
the ANLs together, or maybe it's best to use inline protection as close
to alternator as possible. What has anyone come up with?
Chris Hukill
Message 9
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| Subject: | Re: testing for inoperative wig wag? |
Erich - I have the Aeroelectric type setup using B&C's SSF-1 flasher.
When I was researching and planning my wiring and lighting setup I was
told the flasher unit has a limited life and needs replaced periodically
so installed mine to allow for quick, easy replacement when it
eventually fails. If power is getting to the flasher and the wig-wag is
not working, I'd replace that first.
I believe the B&C SSF-1 unit can be found in local or on-line auto parts
store as TRIDON EL13 A-2 flasher (ALT/FLASHER/150W/Ch +12V). Those are
the part markings I put on my electrical system drawings and if I
remember correctly, I got those off the flasher unit before I mounted it
and confirmed via some on-line research at the time.
Chris
----- Original Message -----
From: Erich_Weaver@urscorp.com
To: aeroelectric-list@matronics.com
Sent: Monday, March 29, 2010 4:44 PM
Subject: AeroElectric-List: testing for inoperative wig wag?
My landing lights no longer wig-wag and I would like to trouble shoot.
My system is per one of the options described on the Aeroelectric
Connection website (?), and uses a single three-position switch for the
landing lights (off-wigwag-on), a bridge rectifier, and the flasher
unit, all wired per instructions. Everything is fine for both the off
and on positions, but nothing comes on or flashes at all in the wigwag
position, and my ammeter indicates no current is flowing. I pulled the
three-position switch and tested it with a multimeter - seems to
function fine. That would seem to leave either the flasher or the bridge
rectifier as potential culprits. Could just buy both and probably be
done, but Im sure there must be a way to trouble shoot these to confirm
which has the problem before I order them. Suggestions?
thanks
Erich
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