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Thread: Spartan castle motor blown?

  1. #1
    Join Date
    Jun 2017
    Location
    Wa
    Posts
    9

    Default Spartan castle motor blown?

    Took the new to me spartan out today and it ran great but after about 6-7 minutes with no wot runs just trying to get used to it the motor started sounding bad and loosing power so I brought it in pulled of the lid and the motor shaft has a wobble in. After pulling off motor and plate bearings were loose inside, is there a rebuild for this castle 1800- 2240kv? If not what would be a good upgrade for the stock ESC this is my wife's boat and just needs to be very reliable and not the fastest thing in the water. I was using two 3s 3300mah lipo's at the time of run. Water intake was flowing good through esc and motor.
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  2. #2
    Join Date
    Aug 2015
    Location
    VA
    Posts
    301

    Default

    Change the ESC to a 180 and a Leopard 4082 1600kv motor and it will be pretty bullit proof.

  3. #3
    Join Date
    Apr 2007
    Location
    AZ
    Posts
    7,724

    Cool

    The motor bearings are shot - the previous owner probable either didn't oil them regularly, or got them wet and they rusted. You can get replacement bearings from various sources, BocaBearings is one although you can beat the maker's prices if you look around on eBay etc. Or replace the motor - the Leopards are a quality down-grade versus the Castle, although they can work well.

    One comment - you thought you were being easy on the boat by running at part throttle, but in reality that is extremely hard on the ESC. It is best to limit part-throttle running on any boat, especially those with higher amp draws. Counter-intuitive yes - but fact nonetheless.

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  4. #4
    Join Date
    Jun 2015
    Location
    Wi
    Posts
    734

    Default

    Take Fluid's advice. If it is just your wife running it maybe 4s would be better. I still use the castle 1420 that came out of my spartan 4 years ago. Its a pretty stout motor and has been through hell and back. I have it in a motley crew now, still works great. Toss some bearings in it and go have fun.

  5. #5
    Join Date
    Jun 2017
    Location
    Wa
    Posts
    9

    Default

    Do you know what size the bearings are in that motor and where I would be able to get them the cheapest and fastest to whidbey island Washington?

  6. #6
    Join Date
    Jun 2015
    Location
    Wi
    Posts
    734

    Default

    They are either 5x14x5 or 5x11x5. Pull one out and measure it

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