Richard Evans
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  • Schertz, TX
  • United States
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Compass offset error with Pixhawk 3.2rc9 and MP 1.3.10?

Started Sep 22 0 Replies

I've been setting up a new camera platform and have presently loaded the 3.2rc9 firmware on a 3DR Pixhawk, with the 3DR compass. 3DR telem, and a quad rotor frame, "X". I felt from a little bit of…Continue

Issues with MinimOSD extra

Started this discussion. Last reply by Richard Evans Sep 14. 3 Replies

I updated my MinumOSD firmware to the 2.4r726 , and updated the config software also to 2.3.2 r727 I like what I see, but I'm not receiving data, battery show .00, and in mission planner has all the…Continue

Battery failsafe issue

Started this discussion. Last reply by Nico D Aug 30. 1 Reply

I am getting very short flights on my recently built quad with a Pixhawk. I am using 3s 5100 MAH 35C (fairly new) packs.  The failsafe is left at the 10.4 voltage level set as the trip point to go…Continue

GPs Issues

Started this discussion. Last reply by Richard Evans Aug 29. 7 Replies

It seems that I have a chronic problem getting the GPS to lock in. Often when powering up with the PIxhawk, I get hdop 100 and 0 satellites. After waiting anywhere from 3 to 10 minutes, It may or may…Continue

 

Richard Evans's Page

Latest Activity

Scott Penrose replied to Richard Evans's discussion Getting the PIDS right on a heavy copter
Wednesday
Harry Courter replied to Richard Evans's discussion Getting the PIDS right on a heavy copter
"This helped me understand how these settings work.  An intuitive understanding is very helpful in adjusting pid settings. http://www.pidcontrol.net/ I dont recommend you buy the book their selling as its for engineering types, however, the…"
Oct 11
Scott Penrose replied to Richard Evans's discussion Getting the PIDS right on a heavy copter
"Good evening. I have had a good day. Lots of tuning. Seems now (no wind yet) very stable in all modes except Loiter. I am going to put together a page with logs, pictures etc in the next few days. I will make sure it gets linked here."
Oct 11
Oliver Volkmann replied to Richard Evans's discussion Getting the PIDS right on a heavy copter
"Hi Scott! If you find anything out, please let me know! I too am trying to find out this information before I put my 20lbs system with 100kv motors and 28 inch props through autotune..."
Oct 11
Daniel Leete replied to Richard Evans's discussion Getting the PIDS right on a heavy copter
"this is the info I found on adjusting that correctly. check alt tuning here http://copter.ardupilot.com/wiki/tuning/ Regards Daniel."
Oct 10
Scott Penrose replied to Richard Evans's discussion Getting the PIDS right on a heavy copter
"Yes I think it is over powered - thanks I will try that. Not sure about sync - logs are up on my forum post. I added 4 kg (total of 11.2kg AUW) for a test - 50% throttle only which is good, but still oscillated (less though) - need to play some…"
Oct 10
Daniel Leete replied to Richard Evans's discussion Getting the PIDS right on a heavy copter
"sorry I guess the sync issue caused the crash"
Oct 10
Daniel Leete replied to Richard Evans's discussion Getting the PIDS right on a heavy copter
"Hi Scott, my quad is a 500mm with 950kv motors, 20a esc, running a 2800 3s and FPV gear (no gimbal) flight weight is about 1.2kg, Its a little under powered but holds alt with full pitch or roll. So I guess its in a different ballpark from your…"
Oct 10
Scott Penrose replied to Richard Evans's discussion Getting the PIDS right on a heavy copter
"Hi Daniel. Have you tried it on a heavy lift copter? I tried it and crashed. Not really a fault of Auto Tune, but Auto tune, as per the docs, uses a lot of input, and can cause sync issues on low KV motors. The docs don't actually say not to…"
Oct 10
Daniel Leete replied to Richard Evans's discussion Getting the PIDS right on a heavy copter
"providing your quad is able to fly with the stock PID setting (I had to lower mine abit) and you can switch to alt hold with successful results you can then use autotune which you can setup with a switch on ch7."
Oct 10
Scott Penrose replied to Richard Evans's discussion Getting the PIDS right on a heavy copter
"Hi Richard, Did you get any further with PIDs for this copter. I am trying to get mine done now. Scott"
Oct 4
Richard Evans posted a discussion

Compass offset error with Pixhawk 3.2rc9 and MP 1.3.10?

I've been setting up a new camera platform and have presently loaded the 3.2rc9 firmware on a 3DR Pixhawk, with the 3DR compass. 3DR telem, and a quad rotor frame, "X". I felt from a little bit of flying line of site, (wasn't great but seemed somewhat stable) that it was time to fly FPV.I noticed when I took off, that the copter was "crabbing", I had to hold right rudder to fly in the heading I was looking straight ahead at. I went ahead and flew for a while, came back and landed ok, but the…See More
Sep 22
Richard Evans replied to Richard Evans's discussion Issues with MinimOSD extra
"Now it fully works! I finally got it working, figured out a piece at a time till it worked. first, I had to use telemetry port 1 for the OSD and telemetry port 2 for the 3DR radio. Then I had to edit the SR0 and SR1 settings to the values show above…"
Sep 14
Richard Evans replied to Richard Evans's discussion Issues with MinimOSD extra
"I finally got the MinimOSD on the pixhawk working... sorta. I changed had Telemetry radio that was originally using telemetry 1, and the osd in telemetry 2 to the opposite, now the radio is using telemetry 2 and the OSD is using telemetry 1. The…"
Sep 12
Richard Evans replied to Richard Evans's discussion Issues with MinimOSD extra
"Is no one else having a problem getting data using MinimOSD with the Pixhawk? I have two platforms using the MinimOSD that no longer get any data now that I upgrade to the current firmware. Anyone else?"
Sep 10
Richard Evans posted a discussion

Issues with MinimOSD extra

I updated my MinumOSD firmware to the 2.4r726 , and updated the config software also to 2.3.2 r727 I like what I see, but I'm not receiving data, battery show .00, and in mission planner has all the right data, using separate telem ports on pixhawks, and both were receiving data prior to flashing the firmware and updating the config software... This has happened to two multicopters with Pixhawks.. Anybody got some insight into this one?Thanks in advance...RESee More
Sep 2

Profile Information

About Me:
Long time RC'r and FPV'r
Live in Texas, grew up in Florida, I'm also an EDF enthusiast with lots of EDF aircraft and many years of radio control experience.
Please tell us a bit about your UAV interest
I like the feeling of flying like a bird that you get when doing FPV. I guess it is a lot like flying a full scale aircraft. I also love how technical and complex our "birds' are Not for everybody for sure!
Hometown:
smalltown, Texas

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Richard Evans's Blog

Working on endurance options

Posted on January 18, 2014 at 6:30pm 21 Comments

I've been working on getting a better range and endurance. This QAV-540 weighs 5.5 lb's and I just flew it for 18 minutes today. Previously 16 minutes was my record, the change is that I went up one inch in prop size. This is not stripped down for endurance, I want something that will fly a long time…

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Some FPV (Cockpit View)

Posted on December 13, 2013 at 3:00pm 4 Comments

!

This is just run of the mill FPV flying, but I enjoy reviewing the fight for more than the visual perspective. Re-living the altitude, the roll and pitch, the rate of ascent and decent, the airspeed during the flight and the battery condition gives me a much fuller context than just viewing the HD video I was recording using my GoPro H3 Black.  Here is simple flyover of ready to be developed…

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Drones used in the Construction Industry

Posted on August 21, 2013 at 7:00pm 1 Comment

From the University of Texas in Austin, Texas, USA    

# note that there is a glimpse of architectural art piece in this video by James Turrell, Skyspace, 2013,  courtesy of Landmarks

I originally solicited other construction company users as to their ideas about using drones in the industry and to heat there experiences. This might not be the right venue for that, instead I got…

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Near miss at the beach

Posted on July 23, 2013 at 3:00pm 9 Comments

This weekend I took a couple of boys to the beach (family members) and wanted to get some video of them trying to surf and using a boogie board, (in some very poor surf conditions). Something unexpected happened, through the  low resolution of the goggles, I mistook some other kid and hovered up close.  As he turned to face me, I realized he wasn't the kid I was expecting and instead of a surfboard, he had a surf casting reel. He cast his lure at my…

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