have a hexcopter, I built it but it never flew, I burned up 8 motors or more, I put an 11.1 v 25 c battery on it, I bought 1000 kv 12 volt max motors for it a kk2.1.5 flight controller , 6 Electronic speed controllers, My Problem is 1.)i keep frying the motors 2.) I rarly see all motors spinning at the same time, so it always crashes before level flight, now, I decided that it was pulling so much current that it couldnt deliver enogh power to all 6 motors so, I put in 3 ohm resistors to lower the current going to the speed controllers and then motors, a modest 3 ohms, fried them emediatly, what should I do to make this work, anyone got an idea?

 

I would start with posting a schematic and data sheets for the motors.

I bought 1000 kv 12 volt max motors for it a kk2.1.5 flight controller

What exactly is a 1000 kv 12 volt max motor? More information, data sheets and pictures would go a long way in getting help.

Ron

 

I switched to 980
http://www.ebay.com/itm/SUNNYSKY-An...dc9f54&pid=100011&rk=4&rkt=10&sd=291428220770

 

I switched to 980
http://www.ebay.com/itm/SUNNYSKY-Angel-A2212-2212-980KV-Brushless-Motor-for-Multi-copter-KK-QuadCopter/301607055974?_trksid=p2047675.c100011.m1850&_trkparms=aid=333008&algo=RIC.MBE&ao=1&asc=30251&meid=236c27ad2ad6490099c0f0bd49dc9f54&pid=100011&rk=4&rkt=10&sd=291428220770

 

SUNNYSKY-Angel-A2212-2212-980KV-Brushless-Motor-for-Multi-copter-KK-QuadCopter

 

Have you ever done anything like this before?

 

yup, i got 10.45 props on

 

no not before, im a noob, an old noob, 55

 

we didnt reallly have standard ways of doing stuff when i started, i tore apart and repaired some tvs, went to appliance repair school, wasing mashins, dryers electric ranges toasters etc

 

hahaa my typing is not so good toooo.....

 

I do know the ole e/i=r stuff but thats about it

 

I was a jet mechanic when i was 20 something and i know mass x force= acceleration but its not helping me here thou

 

Here is the only data I got for the motors
Specification:
Name: SUNNYSKY Angel A2212-980KV Brushless Motor
Model: A-2212
KV (rpm/v): 980
Stator diameter: 22mm
Stator length: 12mm
Shaft Diameter: 3mm
Motor size: Φ27 × 30mm
No.of cells(Lipo): 2-3s
Maximum Continuous Current: 14.5A/180s
Max efficiency current: (4-9A)>80%
No load current / 10V: 0.5A
Internal resistance: 120MΩ
Motor weight: 50g

 

Well I did manage to fine this:



Depending on the configuration these motors can draw some serious current. You mention the motors were burning up? I don't see how as long as the supply voltage is correct. The fact that all 6 do not spin up together would have me looking at the motor controllers and the flight controller.

Ron

 

here is the data for the electronic speed controllers

• Constant Current: 30A
• Input Volt: 6V - 12V
• Max Current: 40A
• Low-Voltage Cutoff: Auto detect and set

Specifications:

• High rate PWM
• Low resistence
• Sixteen cells Max (with BEC disabled)
• User programmable brake
• Low voltage auto setting based on battery
• Throttle range self-adjusting
• Soft start ramp up
• Auto motor cutoff with reset
• Runs motor in forward or reverse
• Safe power arming program ensures motor will not run accidentally after turn on
• Low torque start
• Auto shut down when signal is lost
• -----------------------

kk2 board specs
Specs:
Size: 50.5mm x 50.5mm x 12mm
Weight: 21 gram (Inc Piezo buzzer)
IC: Atmega644 PA
Gyro/Acc: 6050MPU InvenSense Inc.
Auto-level: Yes
Input Voltage: 4.8-6.0V
AVR interface: standard 6 pin.
Signal from Receiver: 1520us (5 channels)
Signal to ESC: 1520us
Firmware Version: 1.9Sre-installed firmware.
Dualcopter
Tricopter
Y6
Quadcopter +
Quadcopter X
Hexcopter +
Hexcopter X
Octocopter +
Octocopter X
X8 +
X8 X
H8
H6
V8
V6
Aero 1S Aileron
Aero 2S Aileron
Flying Wing
Singlecopter 2M 2S
Singlecopter 1M 4S
Firmware is 1.9S1.
Package size: 10 * 10 * 3 cm / 4 * 4 * 1.2 in
Package weight: 40 g / 1.45 oz

 

its all pretty simple construction but just doesnt work.

 

But you have done this before and it did work.....right?

 

watched many videos on how to do it but, thats wher it ends till you get to the PI settings and reciever settings, did that , bought the T-shirt, not happening....
i can get 4 or 5 motors running at the same time but not 6, put the quadcopter 4 motors together, same problem, something is missing

 

But you have done this before and it did work.....right?

not yet

 

not yet

watched many videos on how to do it but, thats wher it ends till you get to the PI settings and reciever settings, did that , bought the T-shirt, not happening....
i can get 4 or 5 motors running at the same time but not 6, put the quadcopter 4 motors together, same problem, something is missing