"@John Arne Birkeland, thanks for the link, CR23L was amazing but with a weight of 300g, it's too big for me because I want to keep a "pocket" size. With these CR motors, your project was not a copter, it was a rocket!!!
@Alex, the yaw…"
@Paul, you're right, the disk loading is still very high, even if the flight time is pretty good due to the the low weight of the frame (less than 30g). But it's the max i can get from this motor from Himax without firing it (I…"
"Yes, of course. Even if i'm working on a second version possibly with a carbon frame, i can share the 3d printed parts maybe on thingiverse. I will try and post the link here. Thanks for your comment."
"Because i want to try cleanflight and take advantage of the floating point calculations of the stm32f3. I suspect an overshoot in the integer during fast forward when using integral-pid and gess that a float could avoid that... we will see:)"
Hi, Just a quick update for the thrust vectoring coaxial drone project,Config:Maxxprod Himax contra-rotating brushless motor CR2805,7x5 props replaced by T-Motor carbon fiber 9x3 resulting in more efficiency.Flight time is about 15 minutes with…
"@XinH, yes the upper prop is connected to the lower motor. The lower prop is directly screwed to the upper motor. But i didn't design this part. You can find this kind of motor here: http://www.maxxprod.com/mpi/mpi-266.html
"Petr, thanks and you're right, i don't know but maybe the system is finally not so rigid or it accepts some torsion (minimal because i think that the additional distance is maybe less than one mm). below is the system working. and commands are…"
Here you can see the first "flying" prototype of TCRS UAV.PID tuning need to be refined to have a smoother flight and video.The frame is 3D printedLipo 3S 4400mAh ;Maxxprod CR2816 with 2 x 20 A controller ;2x Futaba S3155 digital servos ;Custom…