trolling motor question

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purplesalmon
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2007/09/13 13:41:36 (permalink)

trolling motor question

hello, i have a minn kote edge (55 thrust) it is run off of 2 12 volt batteries.the batteries are connected positive to positive, neg to neg. it will run all day if kept at the 3 setting. anything over that, the fuse will pop. i am using 10 amp fuse 250 volt. does anyone have any knowledge with this. thank you all in advance. kevin
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    Trout About
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    RE: trolling motor question 2007/09/13 14:20:59 (permalink)
    From what I remember of my 55# 12V motor, I had a 40A breaker, and popped it often.  I'd recommend a 45A and make sure you have min. 8ga wires from the battery to the motor also.  If a longer run, I'd go with 6ga.
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    pghmarty
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    RE: trolling motor question 2007/09/13 14:39:51 (permalink)
    Circuit Breaker (MKR-19)
    • Protects trolling motors from electrical damage.
    • Works on all Minn Kota® trolling motors (12V, 24V and 36V).
    • 60 amp rating.
    • Manual reset design.
    • Waterproof construction.
    MINN KOTA 60-AMP CIRCUIT BREAKER $42.50 ebayhttp://cgi.ebay.com/MINN-KOTA-60-AMP-CIRCUIT-BREAKER_W0QQitemZ250152327230QQihZ015QQcategoryZ310QQrdZ1QQssPageNameZWD1VQQcmdZViewItem

    These should also work and are a lot cheaper
    http://cgi.ebay.com/ebaymotors/Thermal-Circut-Breaker-60-Amp-Klixon-Boat-RV-Aircraft_W0QQitemZ120160182237QQihZ002QQcategoryZ50437QQssPageNameZWDVWQQrdZ1QQcmdZViewItem

    http://cgi.ebay.com/ebaymotors/CARLING-CIRCUIT-BREAKER-60A-boat-breakers_W0QQitemZ320047925904QQihZ011QQcategoryZ50437QQrdZ1QQssPageNameZWD1VQQcmdZViewItem
    post edited by pghmarty - 2007/09/13 14:46:30
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    indsguiz
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    RE: trolling motor question 2007/09/13 23:34:55 (permalink)
    Purple,
         If your batteries are connected +> + load, and -> - load  then your batteries are in parallel and are only putting out 12 volts but at double the amps.  If your batteries are +> - and the load is on the positive terminal of one and the negative terminal of the other then they are in series and will put out 24 volts but at less amphereage.  Check your motor.  If it says 24 volts then you may be trying to pull too much ampherage through the breaker from the 12 volts rigged parallel.  If the motor says 12 volts then I'd check my connections for corrosion inside the controls/motor.  A small amount of corrosion can up the amps significantly.

    Illegitimis Non carborundum
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    pghmarty
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    RE: trolling motor question 2007/09/13 23:41:18 (permalink)
    Minn Kota Edge 55-lb Thrust Trolling Motor 45-in Shaft
    Maximum Thrust: 55
    Maximum Amp Draw: 50
    Volts: 12
    Speeds: 5

    Use a 60 amp  Marine Breaker

    Make sure you are using marine grade wire.
    Household or industrial is too brittle and will fail from vibration.
    Automotive will work but tends to corrode.
    Marine cable/wire is tinned to prevent coroshion.
    Put the batteries as close to the motor you can.
    The longer the wire the more voltage drop=less power.
    post edited by pghmarty - 2007/09/13 23:52:27
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