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Thread: Electric twin motors for a Central rc marine 51" Victory cat

  1. #1

    Default Electric twin motors for a Central rc marine 51" Victory cat

    Can anyone suggest what size motors to go with for a twin set-up. I am currently running a TP 5670 720 kv 5y on 12s. I have the flier model 400a 90v red waterproof esc. I would like to go with two motors and use one esc so I need to keep my amps right at 400 for both motors. This esc is supposed to have a 500a max rating, Is there any way to accomplish this for that hull? I would like to still use 12s, so 1 6s pack per motor.
    Thanks,

    Glen

  2. #2

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    You cannot use 1 esc for 2 motors. For 6s use TP 4070 1520KV ABC 2217 props and swordfish 200a escs.

    Mark

  3. #3

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    Mark,This esc has six motor wires and 4 power wires, if it can't be used that way is that only because of the capacity?

  4. #4

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    Those are rare to see. My motor selection still stands though.That's what I run in my 6s rigger that does high 80s.

    Mark

  5. #5

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    Hey Mark! What size hull are you pushing with that set up?

  6. #6

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    38" rigger. Your 51" cat will do very well with my setup. Twin motor setup that is.

    Mark

  7. #7

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    Just a remark. 6s. is not the best choise. Your lipos will probably have a hard time. So 60C or preferably more would be a good idea....

  8. #8

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    I have giant power kitty sticks, they are 70c to 140c 6s 6000mah x4, that's two 3s per pack.

  9. #9

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    The setup I posted is very easy on the equipment. Nothing gets past warm in my boat. A twin will be even easier.

    Mark

  10. #10

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    Should motor timing monitor be on or off in esc?

  11. #11

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    Assuming you are not trying to run a class legal set-up, you can run 12S1P and feed both ESC's with the single battery using the same motors. Just prop accordingly.
    Tyler Garrard
    NAMBA 639/IMPBA 20525
    T-Hydro @ 142.94mph former WR

  12. #12

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    Hey Tyler, Thanks! If you saw in my previous post I have a Flier ESC That has six motor wires and 4 battery wires. Can that be for two motors or is it just for high amp setup. I also was wondering if the timing monitor should be on or off in the ESC?

  13. #13

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    Those double ESC's are just two singles placed back to back. They should be connected to two motors individually. You should not try to operate the double ESC connected to a single motor.
    you can run both off a single battery if the amp draw on the battery is reasonable.
    Tyler Garrard
    NAMBA 639/IMPBA 20525
    T-Hydro @ 142.94mph former WR

  14. #14

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    Ok, I am running a TP 5670 720kv 5Y with that esc. So I should only run off one half of it for 12s or should I get a different esc. My plan is to run two TP 4070s w/6s on each motor and stick with that same setup.

  15. #15

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    thumbnail.jpg 1.jpgVictory Cat.jpgHere is my setup, seems to be running just fine with single motor.

  16. #16

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    Flier did make some double ESC controllers, that were two separate ESC's just stuck together. They functioned 100% independently.
    Flier also made some ESC's that were two power stages combined with a single control board. It looked almost identical except it was missing a second control board.
    I suspect you might have a twin power stage with twin wires, but only a single processor. Hence the reason it works well with a single motor.
    The really high voltage input and current rating makes me think it is a single ESC. In which case you can only run a single motor with this controller.

    Sorry for the confusion. Flier produced a lot of variations of ESC's in the last 8 years.

    If you want to run twin 4070's on 6S, get two identical ESC's like the Swordfish 300/220/200X
    https://www.offshoreelectrics.com/pr...d=hef-HBX1220L

    https://www.offshoreelectrics.com/pr...d=hef-HBX1200L

    https://www.offshoreelectrics.com/pr...d=hef-HBX1300L
    Tyler Garrard
    NAMBA 639/IMPBA 20525
    T-Hydro @ 142.94mph former WR

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