About

Gender

Male


Location

Bothell, WA


About Me:

www.JasonSChing.com


Please tell us a bit about your UAV interest

Working on my first build for aerial photography.


Hometown:

Bothell


Activity Feed

Jason Ching replied to Jason Ching's discussion Quad is spinning on take off
"It’s been years since I’ve dealt with this but I recall that I purchased a new APM and that seemed to solve the problem leading me to believe that that I had a faulty sensor or other hardware component."
Jan 19, 2018
Jason Ching replied to Jason Ching's discussion Quad is spinning on take off
"Sounds very similar to the problem I was having. I fiddled with my computer for a long time 3 months I think - recalibrate, check escs, replace components etc etc. I ended up forking over extra money for a new computer and it seemed to fix the…"
May 10, 2016
Jason Ching replied to Jason Ching's discussion Quad is spinning on take off
"Sorry this was so long ago. I think that this thread is from before I replaced my APM.

I think what I had was a faulty barometric sensor or something similar.I replaced the computer/APM and it seemed to fix it. Hope this helps."
Dec 11, 2015
Jason Ching replied to Jason Ching's discussion Quad is spinning on take off
"Tried to tune PID settings.  

I tuned it following the Dave C method : http://diydrones.com/forum/topics/arducopter-tuning-guide

P and D values were really low compared to similar spider style builds like this…"
Mar 8, 2014
Jason Ching replied to Jason Ching's discussion Quad is spinning on take off
"When I correct for the any motion including yaw it will continue to move in the opposite direction of the original movement.   It usually yaws, right, rolls right and pitches forward a little on take off so I have to try to correct for all three…"
Mar 7, 2014
Jason Ching replied to Jason Ching's discussion Quad is spinning on take off
"I meant to say gyro gain in the above post. At any rate didn't do it because I couldn't find a way to do it haha.
Compassmot = 6% (checked that today)
Going to try tuning the PIDs next. I read that it helped some other folks stabilize their birds. I…"
Mar 7, 2014
Jason Ching replied to Jason Ching's discussion Quad is spinning on take off
"I am not entirely sure what I may have changed but the spinning is pretty much under control now.  What I did was essentially take apart everything and rebuilt it.  

Now it's not spinning like a top, but instead the spin is correctable with a tap…"
Mar 6, 2014
Jason Ching replied to Jason Ching's discussion Quad is spinning on take off
"Might be my imagination but It seems like it helped a little.  Still spins clockwise on take off though.  

Not sure on what to try next other than replacing the computer.  I bought parts to replace motors and escs because i thought that was the…"
Mar 5, 2014
Jason Ching replied to Jason Ching's discussion Quad is spinning on take off
"Thanks! I checked around the settings on my transmitter for any remaining trim adjustments I had made previously.  I didn't find any in the 'sub trim' menu or on the main screen.  I re-calibrated the radio via Mission Planner - if the values work…"
Mar 4, 2014
Jason Ching posted a discussion
I finished my build last weekend.  -TBS style frame-APM 2.6-Sunnysky V2216-12 800KV motors-Hobby King 30A Blue ESC (f-30)-GPS-6M+HMC5883L Compass module-3s 5000 mah 20c LiPo Zippy-3DR Power Module-Hobby King Orange receiver and Futaba T8FG Super…
Mar 4, 2014