Lloyd DeForrest
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  • Sierra Madre, CA
  • United States
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Lloyd DeForrest's Discussions

Unable to reliably repeat missions

Started this discussion. Last reply by Lloyd DeForrest Dec 17, 2012. 5 Replies

Now that my loiter performance is rock solid using AC 2.8.1, I’ve moved onto flying missions.  So far, only about 40% of mission sorties are a success. My basic mission is 1) takeoff, 2) Delay, 3)…Continue

Tags: 2.8.1, Arducopter, planning, mission

Help- Compass deviates with increased motor current

Started this discussion. Last reply by Maxime Carrier Jun 27, 2013. 16 Replies

My compass decreases its reading as much as 90 degress with take-off motor power (high current).  It does this both on an APM 2.5 and an APM1 board.  I've moved the APM board to the secnd deck in the…Continue

Cannot use a MinimSD and a 3DR radio in 2.7.1 (worked under 2.5.5 - Mavlink .9)

Started this discussion. Last reply by Lloyd DeForrest Aug 19, 2012. 1 Reply

I'm running 2.7.1 (Mavlink 1.0) on an APM1.4.  Just turned on the MinimOSD with the 3DR (900mhz) radio at the same time.  The OSD comes up, but with no data (e.g. 0 degrees on the heading).  3DR…Continue

Flight Modes: Can I configure a "SImple FPV" mode?

Started this discussion. Last reply by Bradley J Carr May 24, 2012. 6 Replies

 Not being an accomplished RC pilot, I only fly in Simple mode.  My quad now has a camera.  Moving around in Simple mode and manually yaw'ing to point the camera is a pain. Is there a way that I can…Continue

 

Lloyd DeForrest's Page

Latest Activity

Vinny replied to Lloyd DeForrest's discussion Unable to update firmware using the Mission Planner
"Help please... I just recently purchased the Ardupilot Mega with Ublox Neo GPS...i am trying to load the ArduPlane to the board though Mission Planner...its goes all the way through to 99% and then it says "Failed verifying Block 952" I…"
May 6
Lloyd DeForrest replied to Thomas Harvey's discussion Mission Planner not downloading map tiles for my area
"Thanks Thomas.  I just tried Bing Satellite and it works.  The Google map image seems a bit sharper but I'll use Bing until the Google map is fixed. Thanks!  I'll try it at the field tomorrow."
Jan 3
Lloyd DeForrest replied to Thomas Harvey's discussion Mission Planner not downloading map tiles for my area
"Did you ever get this sorted out?  I'm having the same problem."
Jan 3
Andre Kotze replied to Lloyd DeForrest's discussion Unable to update firmware using the Mission Planner
Jun 28, 2013
Edward (Sandy) Abernethy replied to Lloyd DeForrest's discussion Unable to update firmware using the Mission Planner
"Where can I find 1.2.57 msi downloads? My little netbook wont upgrade via MP. Thanks"
Jun 28, 2013

Developer
Michael Oborne replied to Lloyd DeForrest's discussion Unable to update firmware using the Mission Planner
"sounds like a temporary github issue. try again later"
Jun 28, 2013
BertzillAvionics replied to Lloyd DeForrest's discussion Unable to update firmware using the Mission Planner
"I am trying to update my APM via MP 1.2.57. and I am getting the following failure messages. My Win 7 firewall has been temporary off for download. No succes. Could anybody help pls?"
Jun 28, 2013
Maxime Carrier replied to Lloyd DeForrest's discussion Help- Compass deviates with increased motor current
"I have some problem too, yaw is unstable it star spinning while upping the throttle. My ESC (3) are at less than 1 inch below the apm, I think that explain almost everyting. Thank you for your thread !"
Jun 27, 2013
Lloyd DeForrest replied to Frank giglio's discussion External Magetometer
"Hi Jan, Well, I disconnected my external compass and got the same results you did.     First, in CLI, it reported "Not healthy" as expected. But like you observed, in the HUD, the HUD's compass still…"
Feb 18, 2013
Lloyd DeForrest replied to Frank giglio's discussion External Magetometer
"Jan, I do not understand what you mean by putting the APM board along two sides of a book.  If you point the APM board (input pins forward) toward North, do you see 0 (or thereabouts) on the CLI?  If you then point the APM west, do you see…"
Feb 17, 2013
Lloyd DeForrest replied to Frank giglio's discussion External Magetometer
"ummm.  I would NOT cut the trace deeper - who knows what damage you could do.  Especially if the ohmmeter shows lots more than 0 ohms.  Let me think about it and get back to you. Perhaps someone else has an Idea.…"
Feb 17, 2013
Lloyd DeForrest replied to Frank giglio's discussion External Magetometer
"Hi Jan, I know of three tests. First - take an ohmmeter reading between the two pads that you cut the trace between.  If you cut the trace, you will see an ohm reading of much more than 0 ohms - like…"
Feb 17, 2013
Lloyd DeForrest replied to Randy's discussion ArduCopter 2.9 / 2.9.1 released
"Hi All. I flew a 3 WP test mission today twice. The first time it performed flawlessly except for the last 6 feet of the landing were very fast. The second test run again performed flawlessly except for the last 6 feet, where it was like the motors…"
Feb 10, 2013
not2fast replied to Lloyd DeForrest's discussion Help- Compass deviates with increased motor current
" I had the battery wires in my Bixler going over the APM which probably caused most of the wondering flight paths (and almost crashes), which caused most of my grumbling about 3DR and their APM. I simply fastened the wires up to the top of…"
Jan 26, 2013
Lloyd DeForrest replied to Scott Berfield's discussion Trouble building ArduCopter code
"Scott, I had a similar issue Saturday while trying to compile the Ardurover code.    The latest Ardurover code requires the Arduino IDE in the downloads area becase the next generation of firmware (3.0+ I guess) includes…"
Jan 14, 2013
Lloyd DeForrest replied to Peter Kweon's discussion Store issue
"Peter -   I believe QTY 1 means one spacer or one bolt.  If you are buying 4 or 8, then its pretty easy to buy from 3DR.  If buying 100, I'd look elsewhere.   Also, this is really not the right forum to post…"
Jan 12, 2013

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About Me:
Electrical Engineer working for NASA
Please tell us a bit about your UAV interest
Building Autocopter

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