Its been a while so lets try again. Had a hangout with Chris and we briefly spoke about the next T3 round. Chris will work on a top prize ;-)

The mission is simple, get airborne climb to 20m 

Fly a cube with 50m sides, pausing for one minute at each corner, so your flight time cannot be anything less than 8 minutes..... Bonus points if you can stay longer at each corner....

The neatest cube KML wins.

If you can do this with a 3D aircraft I feel you would have a very strong chance of winning!

I will close the competition on April the 14th. I will be looking at where you are flying very closely. Please don't try this in public places or within 500m of any building / road. 

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Comment by David Anders on April 14, 2013 at 1:36am

Nice work Bruno! (:

Unfortunately, the weather was against me this weekend (20km/h gusty winds and rain), so I'm unable to enter this one.  Will get in early for the next one that's for sure.  But congrats to all that entered and well done on the amazing sky art. (:

Comment by Norbert Machinek on April 14, 2013 at 3:19am

Good job, Bruno - and excellent results for someone with only 3 months of experience in RC!

btw: your kmz file ends up over West-Africa. When I type in your coordinates it ends up in the Mediterranian Sea, South of Sardinia?

Comment by Aerhead on April 14, 2013 at 4:14am


The first of the many tasks I would like to accomplish is precision photos of crops and the Autoquad is ready to do what now.  The rest of the tasks are closer to the ground so the Autoquad will need more sensors and more precise GPS to do those jobs..


Comment by Scott Berfield on April 14, 2013 at 2:49pm

Gave this a try today - not so good. I pushed a little too far past where I should have on battery life and came down hard. Oh well, no real harm done - the quad is built to come apart without breaking things so all I lost was about 3/4" of one arm. Anyone know how to get mud out of outrunners? :)

Question for you gurus - the quad was hitting the corners pretty well, but I guess I don't really understand how to script a vertical elevation change. I had expected that if I were loitering at a specific Lat/Long ant 20 meters, and the next waypoint was that same lat & long but at 70 meters, it would simply ascend. Not what it did. Got lots of diagonal climbs and descents. 

Comment by Richard Boyhan on April 14, 2013 at 4:13pm
Sorry to hear about your crash. To make the vertical parts work you need enough delay to climb or descend. This might change in the future code.
Comment by Rob_Lefebvre on April 14, 2013 at 5:47pm

Scott, if you look earlier in this thread, I posted explicit instructions for the altitude changes with 2.9.1.  It's a bit broken, so it required a bit of a hack.

Best way to clean out the motors would be with automotive brake cleaner.  It's the same chemical as electrical cleaner.  Just don't do it in your house. ;)  And be sure to oil the bearings really well after, as it will completely strip them of oil.

Comment by Scott Berfield on April 14, 2013 at 8:08pm
Thanks, I missed that post. Oh well. If your aren't crashing occasionally, you aren't trying hard enough.

Comment by Bruno Guerreiro on April 15, 2013 at 4:07am

Thank you all for your comments! :D

@Scott, I known that Matlat/Octave is a bit overkill for this problem, but I wanted to do the conversion from (x,y,z) to (lat,long,alt) by myself...

@David, It seams that there is a waypoint in the KMZ file that sits near the equador... I'm not sure why...

Comment by James on April 15, 2013 at 4:59pm
Does anyone know when the results will be announced?

Comment by Randy on April 15, 2013 at 5:44pm

I'd actually like one more attempt.  I'm not sure I'll get to the AQ level quite but I think I can get close with the not-yet-released 2.9.2 code.


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