1800 kv, 48mm prop, 60 a esc equals....thermal shut down

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  • tlandauer
    replied
    That must be really hot, the heat is transferred from the motor shaft to the collet and then thru the cable to the stuffing tube, I would check the condition of your cable liner.

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  • ninjanerek
    replied
    I think the motor fried. It got hot enough that the banana plugs became unsoldered from the wires coming off of both the motor and esc. So it made sense that stuffing tube was hot. I figured that the heat from the motor transferred to the tube. Didnt seem to be any binding

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  • tlandauer
    replied
    In any case, the stuffing tube should not be warm let alone hot. As Doby asked, is there binding in the drive train?
    If you smell burnt smell coming out of the motor's end bell, the motor is done for... ESC might be ok, but can be either way.
    I had put a brand new 1800kv motor in my Miss Geico, in 45 seconds the motor burned, same smell, ESC was ok, I was using a M445 prop. I had the boat run on the Probaot 1800kv motor and was great the day before, I just wanted to see if there is any noticeable difference between the two motors, and I DID!!!
    The only possibility other than a bad quality motor is that I soldered 5.5mm bullets on the motor wires and could have over heated the flimsy insulation on the wires, any motions will chafe the skin off the wires and causing a short.

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  • iop65
    replied
    you sure will need a bigger motor and esc for that prop
    and i wouldn't be surprised that a 48 mm pushing that boat will cause handling problems

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  • ninjanerek
    replied
    2 2600 4s packs, 35c rating

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  • ray schrauwen
    replied
    Running -2 4S 5000Mah packs?

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  • ninjanerek
    replied
    The boat quit out on the water. I pulled the hatch and some smoke rolled out, motor couldnt be touched for more than 4 seconds, esc was very warm, batteries were a little warm. The stuffing tube was hot as well. I have never adjusted the strut on the boat, left it where was out of the box. Pulled out the motor, the plugs seemed to have become unsoldered, same with esc plugs. The motor has that distinct "cooked" smell to it.

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  • Doby
    replied
    It shouldn't shut down...theres nothing wrong with that set-up.

    How low/high is your strut set....any binding in the driveline??

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  • 1800 kv, 48mm prop, 60 a esc equals....thermal shut down

    Im running stock electronics in my lucas oil (as mentioned in the title), and recently purchased a 48mm cnc prop from offshore. Sure its nasty, but i know its not a "safe" set up. What im wondering is, what kind of motor and esc combo would be recommended? I am running 2 4s packs in parallel btw. Id like to keep the prop size the same, and continue to run 4s. Any suggestions would be greatly appreciated.
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