Today's Message Index:
----------------------
1. 07:38 AM - Re: ammeter (Robert L. Nuckolls, III)
2. 07:51 AM - Re: Battery Maintainer and Dual System (paul wilson)
3. 02:46 PM - 24V Systems and Contactors (Jay Hyde)
4. 03:15 PM - Re: 24V Systems and Contactors (Bruce Gray)
5. 03:42 PM - Re: 24V Systems and Contactors (Roger)
6. 05:20 PM - Re: 24V Systems and Contactors (Robert L. Nuckolls, III)
Message 1
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At 06:43 PM 9/7/2009, you wrote:
>I'm looking at ammeters in the spruce
>catalog. They don't give much information.
>
>Are there any 2 1/4" aircraft ammeters that use
>a hall effect sensor? I'm guessing they'd mention it if they did.
Probably not. The 2.25" devices are carry-overs from
the heyday of steam gages . . . hall effect sensors
are the adoptees of of digital/glass displays.
Hoever, there are 2.25" devices out there that
are driven by a shunt.
Bob . . .
---------------------------------------
( . . . a long habit of not thinking )
( a thing wrong, gives it a superficial )
( appearance of being right . . . )
( )
( -Thomas Paine 1776- )
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Message 2
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| Subject: | Re: Battery Maintainer and Dual System |
After months and months each batt arrive at the same volts within the
accuracy of my cheap meter. Seems to work fine. I have a large truck
(size 65) flooded, a smaller deep cycle AGM for the VW diesel and a
large (65) AGM all in parallel. Quite a diverse combination of
batts. Bob will have to explain how my combo works.
PW
=========
At 11:37 PM 9/7/2009, you wrote:
>Paul, I was under the impression that due to differing states each
>battery will have to be charged separately to keep it "full" ?
>
>Bob Verwey
>A35 Bonanza ZU-DLW
>
>On Tue, Sep 8, 2009 at 4:47 AM, paul wilson
><<mailto:pwmac@sisna.com>pwmac@sisna.com> wrote:
><<mailto:pwmac@sisna.com>pwmac@sisna.com>
>
>I have 3 batts in my shop hooked up in parallel to one 1562A and
>sure enough all three are fully charged when ever I check them. For
>my rolling fleet I use a separate 1562 for each one. Its hard to
>drive them all so the maintainer keeps them all topped up.
>PW
>=========
>
>
>At 08:11 PM 9/7/2009, you wrote:
><<mailto:alfranken@msn.com>alfranken@msn.com>
>
>I picked up the Schumacher 1562A Charger-Maintainer...It looks like
>a neat unit...
>
>Two questions...I would expect it should be a good choice for the
>odyssey batteries...right?
>
>When I get around to attempting to put a maintainer on a dual system
>with two batteries, any good ideas on hooking up a maintainer?
>
>Do you think a person should use two maintainers, or attempt to
>charge both batteries with one? I can see some potential for screw
>ups using one...
>
>Thanks,
>
>Al Kittleson
>Granbury, TX
>
>
>Read this topic online here:
>
><http://forums.matronics.com/viewtopic.php?p=261983#261983>http://forums.matronics.com/viewtopic.php?p=261983#261983
>
>
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Message 3
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| Subject: | 24V Systems and Contactors |
Hey there Bob,
I see that the contactors that B&C supply are only for use on 12V systems;
any idea of where to get 24V ones for use in the Z-Diagrams? Or can one
adapt the 12V ones to use in a 24V system? It looks to me as if I would
have to use a 15 ohm 10W or higher resistor to drop the voltage to the
contactor coil.
Jay
Message 4
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| Subject: | 24V Systems and Contactors |
http://www.gigavac.com/products/contactors/datasheets/gx11/index.htm
Bruce
www.Glasair.org
-----Original Message-----
From: owner-aeroelectric-list-server@matronics.com
[mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of Jay
Hyde
Sent: Tuesday, September 08, 2009 5:43 PM
Subject: AeroElectric-List: 24V Systems and Contactors
Hey there Bob,
I see that the contactors that B&C supply are only for use on 12V
systems; any idea of where to get 24V ones for use in the Z-Diagrams?
Or can one adapt the 12V ones to use in a 24V system? It looks to me as
if I would have to use a 15 ohm 10W or higher resistor to drop the
voltage to the contactor coil.
Jay
Message 5
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| Subject: | Re: 24V Systems and Contactors |
Hey there Bob,
I see that the contactors that B&C supply are only for use on 12V
systems; any idea of where to get 24V ones for use in the Z-Diagrams?
Or can one adapt the 12V ones to use in a 24V system? It looks to me as
if I would have to use a 15 ohm 10W or higher resistor to drop the
voltage to the contactor coil.
Jay
Aircraft spruce has a 24V master contactor.
Roger
Message 6
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| Subject: | Re: 24V Systems and Contactors |
At 04:43 PM 9/8/2009, you wrote:
>Hey there Bob,
>I see that the contactors that B&C supply are only for use on 12V
>systems; any idea of where to get 24V ones for use in the
>Z-Diagrams? Or can one adapt the 12V ones to use in a 24V
>system? It looks to me as if I would have to use a 15 ohm 10W or
>higher resistor to drop the voltage to the contactor coil.
That style of contactor (as are most other styles) available
in a variety of operating voltages. Check out the
various catalogs under "Contactors" at:
http://aeroelectric.com/Mfgr_Data.html
You can get many of those devices from a number of
sources including:
http://www.alliedelec.com
http://www.newark.com
http://www.mouser.com
. . . and no doubt others.
By the way, our 9024 series power monitoring and
management devices will be available in both 12
and 24 volt versions.
Bob . . .
---------------------------------------
( . . . a long habit of not thinking )
( a thing wrong, gives it a superficial )
( appearance of being right . . . )
( )
( -Thomas Paine 1776- )
---------------------------------------
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