Hey, just recently bought parts for my first quadcopter. I'm having issues with calibration on it, the problem is the flight controller that I'm using. Currently using the KK-Mini in conjunction with a Q Brain 4 in 1 20A ESC, What's happening is that when i spin up the motors, they all start at the same time although, they do not spin at the same speeds. Don't know how to fix this. it's not a problem with the speed control since I can plug all four motors into a throttle hub and then directly into a receiver and they all spin up at the same time, same speed, etc.
I've already switched the ground and positive leads on the PWN (Servo) Connections from Port 3 to Port 1 in order to have power distributed to the KK Mini FC since it requires power through M1 and not M3. All motors are going the right directions, self leveling is off, haven't mucked with the P Gains of anything or the Trims. ACC is properly calibrated, and when i tried swapping two ESC motor connections, the one that was spinning slower became the one spinning faster, and vice-versa.
I mean, I think it has something to do with the P Gains in the PI Editor that I have to change, but I want a second opinion on it and I have no idea what values I might have to change those to. Any advice would be much appreciated.
P.S. all ESC's were properly calibrated using 3 different methods, Direct to the receiver in throttle port for each motor, then using the throttle hub to link all 4 at the same time, and then tried again with the KKMini board's 1 and 4 fashion.
Here's all my specs:
X580mm frame glass fiber
Turnigy 2213 920 kV motor x 4
KK Mini Flight Controller with V1.25 Firmware
3S 5200mAh (11.1V) 10C discharge 20C Burst
Q Brain 20A 4 in 1 ESC
Random Tx and Rx 6ch that I found from one of my old F22 RC Planes
Thanks for your advice!
Nick Heanssgen
I've already switched the ground and positive leads on the PWN (Servo) Connections from Port 3 to Port 1 in order to have power distributed to the KK Mini FC since it requires power through M1 and not M3. All motors are going the right directions, self leveling is off, haven't mucked with the P Gains of anything or the Trims. ACC is properly calibrated, and when i tried swapping two ESC motor connections, the one that was spinning slower became the one spinning faster, and vice-versa.
I mean, I think it has something to do with the P Gains in the PI Editor that I have to change, but I want a second opinion on it and I have no idea what values I might have to change those to. Any advice would be much appreciated.
P.S. all ESC's were properly calibrated using 3 different methods, Direct to the receiver in throttle port for each motor, then using the throttle hub to link all 4 at the same time, and then tried again with the KKMini board's 1 and 4 fashion.
Here's all my specs:
X580mm frame glass fiber
Turnigy 2213 920 kV motor x 4
KK Mini Flight Controller with V1.25 Firmware
3S 5200mAh (11.1V) 10C discharge 20C Burst
Q Brain 20A 4 in 1 ESC
Random Tx and Rx 6ch that I found from one of my old F22 RC Planes
Thanks for your advice!
Nick Heanssgen