ArduCopter and the IMU accuracy (six bottle test)

This video shows the accuracy of the IMU, is the demonstration that the ArduCopter code has achieved a great stability.
The bottles simulate huge variations in weight and trim, quad always tries to maintain his seat during the flight but also in changes in weight when cut with scissors each bottle (at the end).
I had already tried before with four bottles in one of my quad and I was quite sure what I was doing, but it's always interesting to add items to these challenges.
The specifications of this quad are in the video description.
Please note that these experiments can be many dangerous, multicopter is not a toy, i know i'm crazy (in a good way), anyway don'
t try to emulate me!

Bests,
Marco

-= AC Dev Team =-

Views: 1853

Comment by Mark Kellogg on April 14, 2013 at 1:14am

Marco, one of your older other "bottle tests" was instrumental in getting me into the APM world about 4 months ago and now after building, tuning, flying, and crashing as well...I can truly appreciate the effort that goes into developing, testing, maintaining, and documenting the APM project so all the rest of us can enjoy it.  Great work...and a big thank you to you and all the other teams which make it happen.

And keep posting those "bottle tests"...they are tremendous!

Grazie!

Comment by Mike T on April 14, 2013 at 3:13am

how much weight is this? total?

Comment by steve F11music.com on April 14, 2013 at 6:00am

Great demo Marco! I wait for what will supersede the bottle test? :) Did you see the video recently in a swiss demonstration where the balanced a long stick over the COG? Of course they were using cameras for positioning.

Comment by Scott Berfield on April 14, 2013 at 8:47am
Fantastic.
Comment by R. D. Starwalt on April 14, 2013 at 9:56am

Excellent demonstration! Thank you!

-=Doug

Comment by Antonie Kruger on April 14, 2013 at 10:22am

That's brilliant, guys. Thanks for sharing.


Developer
Comment by Marco Robustini on April 14, 2013 at 10:36am

Thanks all!
@Carlos: yes, approx 1.2 Kg of water.

Comment by Daniel Chapelat on April 14, 2013 at 11:25am

Bonjour Marco

Moi,si je fais ça! ?

je remplace la casquette par le casque de chantier !!!

Excellent comme d'habitude,vos tests sont que du bonheur

cordialement

daniel


Developer
Comment by Marco Robustini on April 14, 2013 at 11:28am

Merci Daniel!

Comment by Jack Crossfire on April 14, 2013 at 2:37pm

Even with the perfect tongue angle, 1 eye closed, perfect PID tuning, standing next to it in hover/loiter mode still looks like chasing a hat in the wind. 

Comment

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