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Thread: Sierra - battery staying power

  1. #1

    Sierra - battery staying power

    Folks,

    I feel that, nothwithstanding my new GIL battery, the
    battery does not seem to hold a charge long enough. It
    goes from full to very much empty in about 3-4 weeks.
    The only electricity I know I am using when all power
    is shut off is the electric clock. I have also a radio
    master switch, replaced pretty much all the cabling
    with Military grade cabling when I redid my panel 2
    years ago which included all new circuit brakers as
    well as a new alternator, a new Skytec starter, a new
    voltage regulator, you name it but I still believe the
    battery charge should hold longer ( especially in the
    summer) than 3-4 weeks.
    In the annual this year ( last month) we checked all
    the cabling between the battery and the front of the
    airplane, tighten the stuff up as much as we could but
    , no improvement. Checking the charge with the JPI,
    the 89B and the gauge all show a healthy 13.8 Volts
    charge when the engine runs over 1100 Revs or so.

    One of the folks suggested the solenoid may be the
    problem but I am doubtful. Has anybody made changes to
    replace the alu power cable from the battery to the
    front with a copper cable ??

    Any comment or suggestions??

    regards

    HarryR

    Sierra 1975 B model MC 360


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  2. #2
    Guest
    Guest

    Sierra - battery staying power

    I would have a battery capacity test done as outlined in the battery
    service manual to make sure it is not a battery issue.

    KIm Pratt
    On Sep 3, 2006, at 12:55 PM, Harry Roussard wrote:

    > Folks,
    >
    > I feel that, nothwithstanding my new GIL battery, the
    > battery does not seem to hold a charge long enough. It
    > goes from full to very much empty in about 3-4 weeks.
    > The only electricity I know I am using when all power
    > is shut off is the electric clock. I have also a radio
    > master switch, replaced pretty much all the cabling
    > with Military grade cabling when I redid my panel 2
    > years ago which included all new circuit brakers as
    > well as a new alternator, a new Skytec starter, a new
    > voltage regulator, you name it but I still believe the
    > battery charge should hold longer ( especially in the
    > summer) than 3-4 weeks.
    > In the annual this year ( last month) we checked all
    > the cabling between the battery and the front of the
    > airplane, tighten the stuff up as much as we could but
    > , no improvement. Checking the charge with the JPI,
    > the 89B and the gauge all show a healthy 13.8 Volts
    > charge when the engine runs over 1100 Revs or so.
    >
    > One of the folks suggested the solenoid may be the
    > problem but I am doubtful. Has anybody made changes to
    > replace the alu power cable from the battery to the
    > front with a copper cable ??
    >
    > Any comment or suggestions??
    >
    > regards
    >
    > HarryR
    >
    > Sierra 1975 B model MC 360
    >
    >
    > __________________________________________________
    > Do You Yahoo!?
    > Tired of spam? Yahoo! Mail has the best spam protection around
    > http://mail.yahoo.com
    >
    >
    > Join BAC today and be a part of the ONLY Type Club for the
    > Musketeer series!
    >
    > www.beechaeroclub.org
    >
    >
    > Yahoo! Groups Links
    >
    >
    >
    >
    >
    >



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  3. #3

    Sierra - battery staying power

    Harry:

    Try disconnecting your positive cable from the battery. If it still dies the problem is in the battery. If it holds its charge, then you have a short in the wiring.

    Don
    ----- Original Message -----
    From: Harry Roussard
    To: musketeermail@yahoogroups.com
    Sent: Sunday, September 03, 2006 12:55 PM
    Subject: [musketeermail] Sierra - battery staying power


    Folks,

    I feel that, nothwithstanding my new GIL battery, the
    battery does not seem to hold a charge long enough. It
    goes from full to very much empty in about 3-4 weeks.
    The only electricity I know I am using when all power
    is shut off is the electric clock. I have also a radio
    master switch, replaced pretty much all the cabling
    with Military grade cabling when I redid my panel 2
    years ago which included all new circuit brakers as
    well as a new alternator, a new Skytec starter, a new
    voltage regulator, you name it but I still believe the
    battery charge should hold longer ( especially in the
    summer) than 3-4 weeks.
    In the annual this year ( last month) we checked all
    the cabling between the battery and the front of the
    airplane, tighten the stuff up as much as we could but
    , no improvement. Checking the charge with the JPI,
    the 89B and the gauge all show a healthy 13.8 Volts
    charge when the engine runs over 1100 Revs or so.

    One of the folks suggested the solenoid may be the
    problem but I am doubtful. Has anybody made changes to
    replace the alu power cable from the battery to the
    front with a copper cable ??

    Any comment or suggestions??

    regards

    HarryR

    Sierra 1975 B model MC 360


    __________________________________________________
    Do You Yahoo!?
    Tired of spam? Yahoo! Mail has the best spam protection around
    http://mail.yahoo.com




    [Non-text portions of this message have been removed]



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  4. #4

    Sierra - battery staying power

    Better yet, disconnect the negative cable. You should never disconnect the positive cable with the negative connected on a negative ground system. If the negative is connected and you ground your wrench while in contact with the positive cable you will get a big spark and a loud noise if you are lucky. If you are not, it can be much worse.

    ----- Original Message ----
    From: Janet and Don Bateman <batejd@persona.ca>
    To: musketeermail@yahoogroups.com; Harry Roussard <hroussar@yahoo.com>
    Sent: Sunday, September 3, 2006 6:04:27 PM
    Subject: Re: [musketeermail] Sierra - battery staying power

    Harry:

    Try disconnecting your positive cable from the battery. If it still dies the problem is in the battery. If it holds its charge, then you have a short in the wiring.

    Don
    ----- Original Message -----
    From: Harry Roussard
    To: musketeermail@yahoogroups.com
    Sent: Sunday, September 03, 2006 12:55 PM
    Subject: [musketeermail] Sierra - battery staying power


    Folks,

    I feel that, nothwithstanding my new GIL battery, the
    battery does not seem to hold a charge long enough. It
    goes from full to very much empty in about 3-4 weeks.
    The only electricity I know I am using when all power
    is shut off is the electric clock. I have also a radio
    master switch, replaced pretty much all the cabling
    with Military grade cabling when I redid my panel 2
    years ago which included all new circuit brakers as
    well as a new alternator, a new Skytec starter, a new
    voltage regulator, you name it but I still believe the
    battery charge should hold longer ( especially in the
    summer) than 3-4 weeks.
    In the annual this year ( last month) we checked all
    the cabling between the battery and the front of the
    airplane, tighten the stuff up as much as we could but
    , no improvement. Checking the charge with the JPI,
    the 89B and the gauge all show a healthy 13.8 Volts
    charge when the engine runs over 1100 Revs or so.

    One of the folks suggested the solenoid may be the
    problem but I am doubtful. Has anybody made changes to
    replace the alu power cable from the battery to the
    front with a copper cable ??

    Any comment or suggestions??

    regards

    HarryR

    Sierra 1975 B model MC 360


    __________________________________________________
    Do You Yahoo!?
    Tired of spam? Yahoo! Mail has the best spam protection around
    http://mail.yahoo.com




    [Non-text portions of this message have been removed]



    Join BAC today and be a part of the ONLY Type Club for the Musketeer series!

    www.beechaeroclub.org


    Yahoo! Groups Links













    [Non-text portions of this message have been removed]



    Join BAC today and be a part of the ONLY Type Club for the Musketeer series!

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  5. #5
    Guest
    Guest

    Sierra - battery staying power

    Harry:

    They are right - check to see if there is a drain on battery. Disconnect
    the negative and put an ammeter in the circuit it should show no drain with
    everything off - even the clock should only take a small current once every
    several minutes when it rewinds.

    Is this a replaced battery? Is it the right size? I had a similar problem
    when I replaced my battery about a couple of years ago - they gave me the
    wrong battery and in 3 months time it was dead. After the Concord dealer
    replaced the battery 3 times (for free) and kept swearing that it was the right
    battery I searched the Concord data base and found a battery the right capacity
    and bought that - haven't had a problem since then.

    Paul Kennedy
    Sierra C24R N66303
    Pearland Regional airport - Clover Field KLVJ
    Houston, Tx

    In a message dated 9/4/2006 7:08:25 A.M. Central Daylight Time,
    musketeermail@yahoogroups.com writes:

    _Sierra - battery staying power _
    (http://groups.yahoo.com/group/musket...lkAzEwNzMzNjME
    Z3Jwc3BJZAMxNjAwMDY1NjE4BG1zZ0lkAzMwNjkyBHNlYwNkbX NnBHNsawN2bXNnBHN0aW1lAzExNTczNzE2
    Nzk-)
    Posted by: "Harry Roussard" _hroussar@yahoo.com _
    (mailto:hroussar@yahoo.com?Subject=Re: Sierra%20-%20battery%20staying%20power) _hroussar _
    (http://profiles.yahoo.com/hroussar)
    Sun Sep 3, 2006 9:57 am (PST)
    Folks,

    I feel that, nothwithstanding my new GIL battery, the
    battery does not seem to hold a charge long enough. It
    goes from full to very much empty in about 3-4 weeks.
    The only electricity I know I am using when all power
    is shut off is the electric clock. I have also a radio
    master switch, replaced pretty much all the cabling
    with Military grade cabling when I redid my panel 2
    years ago which included all new circuit brakers as
    well as a new alternator, a new Skytec starter, a new
    voltage regulator, you name it but I still believe the
    battery charge should hold longer ( especially in the
    summer) than 3-4 weeks.
    In the annual this year ( last month) we checked all
    the cabling between the battery and the front of the
    airplane, tighten the stuff up as much as we could but
    , no improvement. Checking the charge with the JPI,
    the 89B and the gauge all show a healthy 13.8 Volts
    charge when the engine runs over 1100 Revs or so.

    One of the folks suggested the solenoid may be the
    problem but I am doubtful. Has anybody made changes to
    replace the alu power cable from the battery to the
    front with a copper cable ??

    Any comment or suggestions?Any co

    regards

    HarryR

    Sierra 1975 B model MC 360









    [Non-text portions of this message have been removed]



    Join BAC today and be a part of the ONLY Type Club for the Musketeer series!

    www.beechaeroclub.org


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    http://groups.yahoo.com/group/musketeermail/

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