Technical, Techniques, Hints, and Tips > BRUSHLESS Motors and Speed Controllers

Is it just age related? ( Twin ESC's )

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tonyH:
OK, I'm out of my comfort zone so please be kind and advise!
This is my first foray into scale powerboats. I have twin brushless motors, two batteries and two ESCs. I would like to use two runs of battery/esc/motor controlled from a single channel on the Rx. Is it just a case of using a Y lead off the Rx with one of the ESC red wires cut or have I missed something basic?

 {:-{ Tony

JimG:

--- Quote from: tonyH on May 15, 2021, 11:29:24 am ---OK, I'm out of my comfort zone so please be kind and advise!
This is my first foray into scale powerboats. I have twin brushless motors, two batteries and two ESCs. I would like to use two runs of battery/esc/motor controlled from a single channel on the Rx. Is it just a case of using a Y lead off the Rx with one of the ESC red wires cut or have I missed something basic?

 {:-{ Tony

--- End quote ---

Basically the method described is all you need for a simple setup. It does have one of the batteries with an extra drain for the electronics but this is  minimal compared to the motors. If your transmitter has mixing available you can use two channels for your throttle mixed in the transmitter so both esc are driven equally.
Jim

chas:
That's what I do Tony, a simple Y lead, simple works best for me. I've heard some people say one motor can start a fraction of a second before the other, but I've never noticed anything.
Charles

tonyH:
Thanks for that chaps. I hoped that was the case. I actually tried it yesterday but the Rx seemed to be bound but the motors took an inordinate amount of time to signal that it had got the message and I assumed I'd mucked up somewhere.I just wanted to make sure.
Cheers
Tony :-))
PS I assume that I'm correct in cutting 1 red wire?
T

Martin (Admin):

--- Quote from: tonyH on May 15, 2021, 01:28:00 pm ---
PS I assume that I'm correct in cutting 1 red wire?


--- End quote ---

Yes, cut one red wire (or pull it from the plug), on one side of Y lead. Most ESC's feed supply voltage to the receiver (Rx) call BEC (Battery Eliminator Circuit), if both ESC's are feeding voltage back down a common wire (supply rail), they'll fight each other and could cause problems. Cutting a 'red wire' will prevent that.

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