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« on: September 27, 2015, 03:40:53 PM »
niteenk
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Hi All !
I have tried making quad frame myself and mounted a2213 motors with 30a esc on it
I am using kk2.1.5 having firmware 1.6 installed on it.

Using thermocol blocks as landing gear.
AUW is 1kg (using 5000 mah turnigy 3s lipo)

Issue is -  it does not lift or whenever it lifts tilt to one side even after enabling self level ON
I dont know if A2212 1000kv brushless motors is capable of lifting 1 kg weight. 
also Not sure if props are balanced yet to check it

Please let me know if you need any more details.

IMG_20150927_153150945.jpg
Home made quadcopter - need help
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« Reply #1 on: September 27, 2015, 05:30:45 PM »
Darshan for multirotors
Well now it flies!!
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Try calibration of escs through the kk board. That should stop it from tipping off.
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« Reply #2 on: September 27, 2015, 06:30:28 PM »
sumit.ambre
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Hii
You should follow the instructions given in below video

for kk board setup

https://www.youtube.com/watch?v=8NAXSBCtSLY


as well as 4motor of 1000kv  is capable of lifting weight of 1kg

mostly I think the issue is in esc calibration , PID or acceleration calibration

follow instructions in video and do share your video

Happy Flying

Ragards
Sumit Ambre
Dream Innovation
www.dreaminnovation.co.in
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« Reply #3 on: September 27, 2015, 09:14:49 PM »
niteenk
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Re:

Yes sir, i will try it
Happy to hear that motors are not culprit .
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« Reply #4 on: October 03, 2015, 11:05:41 AM »
niteenk
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Thank you RCIndia for help and support.

Finally I managed to get my quadcopter up in air. Here is maiden - Try 1 video (bit harsh on landing  Bang Head >Cheesy

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« Reply #5 on: October 03, 2015, 11:58:08 AM »
niteenk
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Re:

Any suggestions how can i improve its stability?
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« Reply #6 on: October 03, 2015, 12:15:46 PM »
K K Iyer
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@niteenk,
Congrats on successful maiden.
Setup seems fine.
You could try increasing the expo on aileron and elevator to reduce initial sensitivity.
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« Reply #7 on: October 04, 2015, 10:58:43 AM »
SK1701
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set acc_hardware = 1



Congrats on your maiden flight Thumbs Up
As Iyer sir said, try adding a little expo to smoothen roll and pitch. I would also suggest you program a throttle curve that is less sensitive around mid-stick. If you tell us which radio you have, someone might be able to guide you. I would also suggest you upgrade your kk 2.1 to the latest firmware, either RC911 (my preference) or Steveis. You can flash the kk with either a USBasp tool or an Arduino.
Another important thing to do is PI tuning. I found this guide very helpful. Make sure to tune the quad in acro mode first and then tune the self-level P values.
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« Reply #8 on: October 04, 2015, 01:16:02 PM »
niteenk
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Thank you KK Sir and SK1701 Sir for suggestions.

I am using Flysky th9 radio with stock module. I am still learning radio various radio configurations and its effect on flight.

I will definitely go through guide which you have provided.
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