David Jones
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David Jones's Discussions

Plane 3.6, rtl failsafe came on while testing on ground, big oscillations

Started this discussion. Last reply by David Jones Aug 2, 2016. 1 Reply

As I wrote in title, just doing some setting up on ground. Somehow when I had turned on pixhawk it initiated with RTL mode on, I hadn't notice tbh because I'd been having issues arming the pixhawk.…Continue

Advice needed, just setting up Bix3 with Pixhawk, Trim issues and RTL height?

Started Dec 13, 2015 0 Replies

Hi,  I am just trying to setup Bix3 to run on ArduPlane 3.4  Pixhawk.  I have flown RC planes manually including the Bix3, although I am a beginner level.I have experience using Arducopter on my…Continue

FailSafe, problem, bug? Surely FS RTL is illogical when in LANDING mode?

Started this discussion. Last reply by David Jones Jun 30, 2015. 3 Replies

Hi, Failsafes are a life saver, allows me to push my luck with distance.However recently, actually a few months back..I had a problem.I was low on battery heading home when I started to worry that I…Continue

Not sure of correct forum for this: How do I read crash log to discover what happened? I think I lost a prop mid flight

Started this discussion. Last reply by David Jones Jun 25, 2015. 3 Replies

My Tricopter just came down in a corn field.I was flying with FPV over a hedge, I couldn't see directly, although it happened not a huge distance away.It just suddenly rolled over a few times and hit…Continue

 

David Jones's Page

Latest Activity

David Jones replied to Ravi Gupta's discussion Zener diode in PIXHawk
"No, as I understand it the zener must be reversed. That's what it shows in the official http://ardupilot.org/plane/docs/common-powering-the-pixhawk.html#common-powering-the-pixhawk And I also researched elsewhere on the net as i wasn't…"
Dec 15, 2016
David Jones replied to leonardthall's discussion Calling all Tri-Copter pilots
"I had no luck fixing the problem with AC3.2 on APM. Very low PID did reduce wag but made handling poor in even low wind. I have upgraded to pixhawk. I assumed I'd be trying AC3.4 but it shows AC3.3 as current release. Haven't flown yet.…"
Oct 26, 2016
David Jones replied to leonardthall's discussion Calling all Tri-Copter pilots
"In AC3.2 I didn't have the ablilty to change ATC_RAT_YAW_FILT I did have ATC_SLEW_YAW which I altered , tbh I am not sure it should be so high I altered it from only 1000 to 18000, hope it doesn't do some dramatic turns when going around a…"
Sep 26, 2016
David Jones replied to leonardthall's discussion Calling all Tri-Copter pilots
"Thanks so much. That info has certainly given me something new to try. Atm I have: Stab_yaw_p: 2 - 5 adjustable radio tuning. Yaw_p: 0.2 Yaw_i: 0.02 Yaw_d: 0.001 Haven't previously tried altering any other setting you mentioned. Do you think it…"
Sep 26, 2016
David Jones replied to leonardthall's discussion Calling all Tri-Copter pilots
"Damn that's a shame, I have been researching this for a while the info in different places! Do you think the problem would be impossible to fix with AC3.2 . APM won't work with 3.3+ . I am happy to upgrade hardware, but I want to know…"
Sep 23, 2016
David Jones replied to leonardthall's discussion Calling all Tri-Copter pilots
"Thanks artem. Did 3.4 version specifically make an improvement for tricopters? I have looked on that other forum but not sure if I found the right post, was this it? http://discuss.ardupilot.org/t/ac3-4-tricopter-specific-parameters/9371 Tbh from…"
Sep 23, 2016
David Jones replied to leonardthall's discussion Calling all Tri-Copter pilots
"Hi, hope it's not too late to contribute to this thread, did the 3.4 release improve the yaw wag at all? I am still on APM 3.2 , I get a small amount of wag, it's hardly noticeable live and I've often thought I fixed it, only to be…"
Sep 22, 2016
David Jones replied to turdsurfer's discussion Arducopter tricopter firmware oscillation issues with top mounted yaw motor.
"yeah you are right, I get exactly as you describe turdsurfer also. However I am using Arducopter 3.2 which isn't the very latest. Maybe 3.3 has an improvement?  I can't test atm because you need to use Pixhawk hardware for 3.3. I…"
Sep 21, 2016
David Jones replied to Michael Monti's discussion Pixhawk/Tri motor setup question.
"Hi sorry I didn't notice your question before. My Tricopter has front left spinning anti clockwise, front right spinning clockwise, tail anti clockwise. imo by having one running counter it requires less tail throw to keep it from spinning, and…"
Sep 6, 2016
David Jones replied to David Jones's discussion Plane 3.6, rtl failsafe came on while testing on ground, big oscillations
"No info? I am trying to find out what is normal behaviour for RTL when on ground and throttle armed, my plane perhaps thought it was in the air , the servos were oscillating. I can't be the only one wanting to know what to expect when testing…"
Aug 2, 2016
David Jones replied to Frankie Fung's discussion Auto Analysis error message in Mission Planner
"I've just started having problems with Auto Analysis , I am using MP v1.3.39, Arduplane 3.6 I have only recently started using plane, but I've used arducopter for 2 years without problem. MP does load an older log from plane 3.4 but my…"
Jul 27, 2016
David Jones posted a discussion

Plane 3.6, rtl failsafe came on while testing on ground, big oscillations

As I wrote in title, just doing some setting up on ground. Somehow when I had turned on pixhawk it initiated with RTL mode on, I hadn't notice tbh because I'd been having issues arming the pixhawk. After recalibrating and turning off 2nd compass, then taking outside to get GPS lock, I was surprised when this time it worked and did throttle arm. However the rudder and elevator badly oscillated, I am assuming this has something to do with it being in rtl mode and becoming confused? I am…See More
Jul 27, 2016
David Jones replied to Wessel Straatman's discussion FBWA servo jitter when GPS has no fix
"Hi , sorry for slow reply. I put my Bix3 away for Christmas, and haven't had it back out yet, we had a very wet and windy January, I wouldn't mind flying in less than perfect conditions once I have it setup well, but at the moment I…"
Feb 23, 2016
David Jones replied to Wessel Straatman's discussion FBWA servo jitter when GPS has no fix
"What about Stabilize mode? does that use GPS also?   if not shouldn't FBWA auto switch to that if it loses GPS lock."
Jan 4, 2016
David Jones replied to SlipstreamFPV's discussion Throttle and Pitch Micro Oscillations
"Could this also be related to GPS lock? As another thread found: http://diydrones.com/forum/topics/fbwa-servo-jitter-when-gps-has-no-fix"
Dec 31, 2015
David Jones replied to Wessel Straatman's discussion FBWA servo jitter when GPS has no fix
"Wow I have this issue too. Hope this is the solution Hans, gonna temporarily turn that setting off to test. At the moment I haven't flown with current setup.  Bix3, Pixhawk, Arduplane 3.4,  just trying to make sure I am happy with…"
Dec 30, 2015

Profile Information

About Me:
Amateur programmer
Please tell us a bit about your UAV interest
New flier, interested in flying what I have scatch built.
Hometown:
Worcester

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