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APD ESCs are beepping a 6 times sequence and won't arm. I looked into APDs troubleshooting page and it says: " Turning on the ESC causes 6 beeps immediately: There is an error with the signal connection. There is throttle being applied to the ESC above the arming point (above 1020uS) and check...

Yes, this is true, some sensors and movement algorithms were not yet fully implemented on the ink-jet drone, but are implemented in the following module: And here is an earlier version of the drone, based on an AR Drone 2.0 platform, that actually flies: And more versions of the drone...

Is it possible to build the following drone, based on a DJI platform, what DJI model would that be?

Yes Jackson -thanks and sorry, got it right just a couple of minutes ago. The upper side of the prop first against the air.. I don't think i'll make that mistake again. Thanks.

Hello, attached is a picture of a quad copter setup i have. It seems to be trying to fly, but is unstable and kind of spinning around its Z axis. Can anyone help me solve the problem and make it fly normally? The way it looks in the picture it doesn't move at all and when i switch the upper...

Hello, What would be the ideal components combination for a 14'' props, 5 meter height hover, drone endurance competition? What would be your estimation for such a configuration endurance time? Would like to know the following: Motors type and number of motors, battery type, 14'' props type and...

Thanks GJH, Now it's right...it works! Thanks!

Hello people, i'v changed the frame, props and motors - but kept the entire setup exactly as it was with previous components - but yet, the new drone won't get off the ground. Attached below are pictures of the new drone props setup. Here is the motors model...

Do you know the details of what makes it better than other FC in fixed hover?

RENOV8R and holtneil, i'll try to post a video of a take off and a short hovering session, as soon as possible. Still, having a really very fixed over position hovering, has not been achieved yet, so hovering shown will be short, i hope it is possible to improve that more. Anyway, the change...

RENOV8R - What does 'subtrims on the front of your transmitter' mean? How do i actually do the PID process, which was mentioned above? i'm looking here at a 'PID tutorial' web search and all i get are mathematical and theoretical explanations..

Thanks a lot holtneil, will be looking forward to hearing from you..

Need it to take off as symmetrically as possible and to hover over a position, as stable as possible. Need a 1-1.5 kg payload power and no need for speed or acceleration at all - Only stability at a 5 meter hovering height, is what's important here. Any specific type of frame, motors or props...

Got brand new 4S 3300mAh, did not take them out of the box yet. i understand from what you say about throttle %, that the time to start using them, is getting increasingly closer.. Here is a link to the 4S batteries i have: https://www.hobbyking.com/hobbyking/store/uh_viewItem.asp?idProduct=32752

https://www.hobbyking.com/hobbyking/store/uh_viewItem.asp?idProduct=67019

580KV

Thanks a lot for the help hotneil, GJH, Quest, Jackson and anyone else who replied - At last the right setup and not some basic error that is preventing a take off.. been trying to get to this situation for several days now - so your great! Would appreciate any further advice regarding fine...

It seems to be better - but the quad wants to take off at quite a high throttle power: In my estimation maybe even 50% throttle or more. And what more, it still doesn't take off very symmetrically. It does not seem to flip now, but kind'a want to take off side ways. This is a closed space where...

OK - very interesting stuff i think might be going on - It seems like the quad wants to actually take off and not to flip - but i have little experience with quads of this size and it is a closed space, so i am going very slowly with throttle push ups. Will be back with results in several minutes.

Hotneil, the props are 12 inch. GJH- i'm changing the props setting, according to your above instructions.