Replies to This Discussion

Permalink Reply by Michael Utz on April 15, 2012 at 5:33am

i have the motors on the same plane
thanks for the idea

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Permalink Reply by Michael Utz on April 15, 2012 at 5:45am

i think i found the problem. will verivy it the next days. it is raining and stormy today.

i managed 10 take off on the street without fliping.
the problem was:

1. taking off in the grass; it works much better on a flat surface where the copter can slide a bit
2. the copter was not balanced. the battery was to much out of the center. so the copter always trys to lift of with the front first, which results in a flip backwarts or backwards left or right.

open issu lift off in grass. will test the next days

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Permalink Reply by Florian G on April 15, 2012 at 6:23am

Hello Michael !

If you can verify this issue, please let us know if you could really track the issue down to this.

Cheers

Florian

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Permalink Reply by Michael Utz on April 21, 2012 at 12:27pm

i can not confirm that the balancing of the quad was the problem for the flip during take off.
but i finaly solved the problem by doing the following steeps:
1. set all esc ( turnegy 25A) to default settings
2. calibrate all esc at once with the apm 2 (before i calibrated the esc seperately many times)

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Permalink Reply by Florian G on April 25, 2012 at 12:11pm

Hello Michael !

Is your issue now resolved completely or do you still have issues ?

I have tried now the second stabilization platform, but get very same issues - see my last post here:

http://diydrones.com/forum/topics/anyone-got-an-idea-what-may-be-wr...

Can you maybe provide further details on the stability and if your problem was really caused by ESC calibration only ? - It's driving me nuts, this flipping..

Cheers

Florian

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Permalink Reply by Michael Utz on April 25, 2012 at 11:19pm

yes i solved the problem. i am able to take off the quad even in the grass without flipping

i did two things to be successful.

first the calibration described above.

second for the take off i know my copter starts hovering at 55% of throttle.

i raise throttle to 40 % very slow the last 15 to 20% i do it fast then i have a very stable lift off.

will try to make a video during lunch time.

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Permalink Reply by Daniel F. Betancourt Y. on February 6, 2013 at 1:38pm

I am having the same problem that you had before, I have been trying lots of stuff but nothing works properly. If u can tell me step by step how u solved it or post a video it would be marvellous. Cheers!!

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Permalink Reply by Daniel F. Betancourt Y. on February 6, 2013 at 1:34pm

Thanks for information, however, I can´t take it off, I don't undertand why, cause I have tried everything that has been said in this post,, but when the Quad takes off it flips, so  I would like someone to help me how to take it off properly without flipping.

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Permalink Reply by Daniel F. Betancourt Y. on February 21, 2013 at 2:20pm

Bueno, a pesar de que nadie ha respondido a mis preguntas anteriores y después de varios intentos y un par de hélices rotas, la solución al mal despegue de la aeronave estaba dado por la versión del Firmware 2.9.1, curiosamente se probó con la versión anterior 2.8.1 y la aeronave se comportó de manera correcta, tanto en el despegue como en el aire, obteniendo un vuelo perfecto.

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