BUBBA633

My main motor suddenly no longer worked when I had to take my heli apart to replace the frame. I have a spare motor but the spare doesnt have the three round orange diodes or the cylinder shaped diode. Do I need these? What do they do? What are the benefits of swithing to a brushless motor? Also, I connected the spare motor and it doesnt work either?? What could be wrong. Everything else works on the receiver-trims, rudders ect. PLEASE HELP!![]

jtspin

The "three round orange diodes" are capacitors. They're there to suppress noise generated by the motor that can interfere with the Tx/Rx link. The cylindrical diode is there to protect your 4-in-1. You don't say what helicopter it is, but at least for the 22E there's already a diode in the 4-in-1, so the other isn't really necessary. Does your tail motor work? Do you have a tail motor?

The advantage of a brushless motor is it produces more power at less of a current draw than the brushed motor and it lasts longer. The disadvantage is it's more expensive and requires a brushless ESC.

-JT

BUBBA633

Its a df4, and the tail motor does work. I appreciate the response, but any idea on what to check for why it isnt working?

jtspin

Try plugging your tail motor into the connector for the main motor. If it doesn't work, then you may have burned out your 4-in-1. Does it smell burnt?

-JT