Doug Adduci
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  • Portland, OR
  • United States
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Warning! Don't Try This At Home Kids (radio fail safe test disaster)

Started this discussion. Last reply by Cala Aug 24, 2016. 20 Replies

I've been building and flying drones since October of last year without any major incidents, at least not until today.  I have a Flamewheel 450 running a pixhawk FMU a Frsky Taranis transmitter and a…Continue

 

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Latest Activity

Doug Adduci replied to Jason Greening's discussion Throttle mid/hover. in the group ArduCopter User Group
"Does Mission Planner give you the option of clearing your data log files?  If so, try that.  If there is no SD card to pop out, I'm not sure how do erase it.  There must be a way though.   I found some other posts that…"
Jan 15
Doug Adduci replied to Jason Greening's discussion Throttle mid/hover. in the group ArduCopter User Group
"You are right - there does not appear to be a data flash card port on APM2.8.  You may have a bad board....  I don't know how to reset or reformat the onboard flash memory.  If you can, it will probably be through the mission…"
Jan 15
Doug Adduci replied to Jason Greening's discussion Throttle mid/hover. in the group ArduCopter User Group
"Here is what the screen should look like (see attachment).    Pop out your flash card and put it in your  computer to make sure that it is functioning OK.  Myself, and others on this forum, have had problems with bad flash…"
Jan 15
Doug Adduci replied to Jason Greening's discussion Throttle mid/hover. in the group ArduCopter User Group
"Jason,  Clifton nailed it.  You don't need a radio to download the data logs, in fact it only works using the USB cable connection to mavlink.  Follow the directions in the link above and you should be able to download the log no…"
Jan 15
Doug Adduci replied to Jason Greening's discussion Throttle mid/hover. in the group ArduCopter User Group
"Jason, What is the hover current?  For a copter of your size and weight I would not expect it to be more than 12-13 amps with a 3S battery.  If you are hovering at just over 50% with the weight of a 5000mah battery on a 450 frame, then you…"
Jan 14
Doug Adduci replied to Jason Greening's discussion Throttle mid/hover. in the group ArduCopter User Group
"For this issue, you just need the basic data logging.  This page tells you how to use dataflash logs and how to change the bit mask. http://ardupilot.org/copter/docs/common-downloading-and-analyzing-data-logs-in-mission-planner.html You are…"
Jan 10
Doug Adduci replied to Jason Greening's discussion Throttle mid/hover. in the group ArduCopter User Group
"Jason, Can you post a data log of the copter while hovering.  You did not say what FMU you are using, but if it is a Pixhawk or something similar, you should be able to download a data log that the community can look at.  That is the best…"
Jan 10
Doug Adduci replied to Jason Greening's discussion Throttle mid/hover. in the group ArduCopter User Group
"Definitely under powered.  I am running a flamewheel 450 with DJI 2312E 960kv motors and 9540 props, same battery and similar overall weight.  It hovers at under just 50% throttle.    Doug"
Jan 6
Michael Whidden replied to Doug Adduci's discussion Runcam 2 Remote Trigger Hack in the group ArduCopter User Group
"Great! Thank you."
Sep 19, 2016
Doug Adduci replied to Doug Adduci's discussion Runcam 2 Remote Trigger Hack in the group ArduCopter User Group
"Mike, The switch inside the Runcam has four solder legs on it; the front two (closest to the lens) are in parallel and connected to the signal line on the PC board.  The rear two are also in parallel and connected to ground.  If you wanted…"
Sep 19, 2016
Michael Whidden replied to Doug Adduci's discussion Runcam 2 Remote Trigger Hack in the group ArduCopter User Group
"I have a Runcam 2 with a faulty shutter switch. From your experience, is there any way to hack a new switch in to substitute for the bad one? I can solder decently, but I'm not quite understanding your explanation of the 4 legs of the switch on…"
Sep 19, 2016
Doug Adduci replied to fluffydust's discussion Telemetry not recording on SD card
"I had a problem with my Pixhawk flash card early on as well.  It worked for a while, then it stopped recording log files.  Turned out to be a bad card as mentioned above (I also had a knock-off pixhawk).  I read some other posts about…"
Sep 4, 2016
Cala replied to Doug Adduci's discussion Warning! Don't Try This At Home Kids (radio fail safe test disaster)
"I agree with Grant too, thank's to post, posting this things prevent others to avoid crashes so your bad experience it's usefull for others, I hope I can prevented many accidents reading post like this."
Aug 24, 2016
Doug Adduci replied to Doug Adduci's discussion Warning! Don't Try This At Home Kids (radio fail safe test disaster)
"I absolutely agree with Clifton.  Had I let the test run to completion (which would be the case if the transmitter really had failed) the copter would have landed and everything would have been fine.  Aborting the test is what created the…"
Aug 24, 2016
Francisco K replied to Doug Adduci's discussion Warning! Don't Try This At Home Kids (radio fail safe test disaster)
Aug 23, 2016

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Grant Morphett replied to Doug Adduci's discussion Warning! Don't Try This At Home Kids (radio fail safe test disaster)
"Doug it was really great of you to post this.  Lots of people wouldn't be aware of this and a lot certainly wouldn't post about it if they had made the same mistake.  A real education for all as I reckon everyone has had the same…"
Aug 19, 2016

Profile Information

About Me:
Retired Electrical Engineer.
Please tell us a bit about your UAV interest
Hobby and aerial photography
Hometown:
Portland, OR

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