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-   -   Hobbywing flyfun wires a,b&c (http://www.Wattflyer.com/forums/showthread.php?t=73908)

Skinny Bob 06-17-2014 08:36 PM

Hobbywing flyfun wires a,b&c
 
I have a DETRUM BM720A-KV500 motor with two input wires, can I use a HOBBYWING FLYFUN 40A speed controller with three wires A,B&C. If so how do I wire it.

Thanks for any help.
Bob

pmullen503 06-17-2014 08:54 PM

Quote:

Originally Posted by Skinny Bob (Post 950714)
I have a DETRUM BM720A-KV500 motor with two input wires, can I use a HOBBYWING FLYFUN 40A speed controller with three wires A,B&C. If so how do I wire it.

Thanks for any help.
Bob

The motor is missing a lead. It should have three wires.

fhhuber 06-17-2014 09:03 PM

Either you have a brushed motor and brushless ESC or the motor is missing a wire.

Skinny Bob 06-17-2014 09:37 PM

Dummy me, the ESC and motor both have three wires, must be a bad ESC. I have a Flyfun 40A with wires labeled A-B-C. the old ESC has orange-blue-black wires. I guess I'll mate them by comparing the two with heat sink up.

Thanks for your help.
Bob

xmech2k 06-17-2014 10:18 PM

With brushless motors it's easy. Hook it up any way. If it runs backwards, swap any 2 connectors. Done.

fhhuber 06-17-2014 10:21 PM

Yep... color code between motor and ESC is meaningless. If it runs correctly by matching up the colors its just random luck. Many motors use all 3 black (which makes it a little more obvious that the motor doesn't care)


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