"just to go to the interesting thing, i get nice altitude hold (soft 3.0 rc6) for a while, ad it goes full throttle at random moment. I had 3 min hold and throttle up then and also a 7 min alt hold before it tried to fly away...
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Barry Nash
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Barry Nash's Discussions
Altitude hold drops slowly then shoots up full throttle
Started this discussion. Last reply by Markus Järve on Monday. 13 Replies 0 Likes
Channel 6 tuning options not cleary labeled
Started Mar 6 0 Replies 0 Likes
Just for starters I want to say great job to the programmers and the other smart people giving input to this project.I have a couple of questions,In mission planner there is three boxes ArduCopter…Continue
HK HAL HEXA
Started this discussion. Last reply by Barry Nash Jan 8. 2 Replies 0 Likes
Tags: HEXACOPTER
Uncontrollable Quad Rotation, loss of control and crash,
Started this discussion. Last reply by Jesse Aug 25, 2012. 7 Replies 0 Likes
In the end, all that broke was my mount for my GoPro.I am thinking that it had something to do with my declination setting.I should not have flown when i noticed the oscollation at take off, then I…Continue
Barry Nash's Page
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Markus Järve replied to Barry Nash's discussion Altitude hold drops slowly then shoots up full throttleMarkus Järve replied to Barry Nash's discussion Altitude hold drops slowly then shoots up full throttle"I am having the same kind of problem. Very surprised."
Barry Nash replied to Barry Nash's discussion Altitude hold drops slowly then shoots up full throttle"here is a log file of a long hover, I just have to work on the loiter or should i use position hold? For the most part we are on track. Yipeeeeeee, just about ready to put the headgear on."
Barry Nash replied to Barry Nash's discussion Altitude hold drops slowly then shoots up full throttle"my bad, second log file i turned the compass off by mistake. Here is the log file with sonar disabled. It is the best that alt hold has been. Where do i go from here?"
Barry Nash replied to Barry Nash's discussion Altitude hold drops slowly then shoots up full throttle"sorry, here they are"
Barry Nash replied to Barry Nash's discussion Altitude hold drops slowly then shoots up full throttle"here are two logs, the first one is adjusting throttle_mid to 380 and the second one is with throttle_mid at 380 and sonar disabled."
Barry Nash replied to Barry Nash's discussion Altitude hold drops slowly then shoots up full throttle"Hey people.....
I just lowered my throttle mid to 380 and disabled my sonar. Same thing, it hovers for a second then slowly falls and then shoots up like a rocket about 10 feet. I turn it back to stabilize as soon as it happens to regain full…"
Barry Nash replied to Barry Nash's discussion Altitude hold drops slowly then shoots up full throttle"Thanks Rick, I will try that. I am running the version that you mentioned and will load the final version when it becomes available. I also did the sonar test and on the floor it reads 20cm and climbs in number the way you would think the farther up…"
RickP replied to Barry Nash's discussion Altitude hold drops slowly then shoots up full throttle"I believe there was a bug fixed in 3.0-rc1 that could affect sonar. The voltage ref in use was wrong - particularly for those with gimbals, and possibly octos - can't quite remember the details.
Anyway, when troubleshooting - easier to work…"
Barry Nash replied to Barry Nash's discussion Altitude hold drops slowly then shoots up full throttle"Thank you for the replies and suggestions. I've got rain for the next five days now but as soon as it stops I will disable the sonar and try again. If that works, where would I go from there?
Jan, I will lower my throttle mid more and yes the…"
Jan replied to Barry Nash's discussion Altitude hold drops slowly then shoots up full throttle"Barry,
I had a look at your logs and at first sight it seems that your average throttle is about 361 which means that you are under the deadband limit (40% - 60%).I saw that you already reduced the Thr_mid to 480 but I would suggest to lower it even…"
Richard Boyhan replied to Barry Nash's discussion Altitude hold drops slowly then shoots up full throttle"Super build. I'd also try without the sonar."
RickP replied to Barry Nash's discussion Altitude hold drops slowly then shoots up full throttle"Have you tried without sonar?"
Barry Nash replied to Dave C's discussion Arducopter Tuning Guide"What I do is leave my radio transmitter on and my receiver battery plugged in. I then plug my USB in and when it refreshes I highlife the parameter that channel 6 changed. I then make my channel six selection to nothing and then save the new…"
Barry Nash replied to Michele's discussion Alt-hold problem"here is my x,y,z. Can you tell me if it is ok?
Here is my X,Y,Z graph. Does it look ok?"
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Barry Nash's Blog
New Quadcopter from scratch
Posted on March 26, 2012 at 5:08pm 11 Comments 0 Likes
Airframe is constructed of thin wall 3/4" aluminum
Controller is APM V2 in the + configuration
Rest of the parts are from HK, list below
| D3536-81000 | Turnigy D3536/8 1000KV Brushless Outrunner M | 4 | Reserved | |
| AM1001A | PolyMax 3.5mm Gold Connectors 10 PAIRS… |
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