About

Gender

Male


Location

Uppsala


About Me:

Licenced arcraft maintenace engineer Working as simulator engineer


Please tell us a bit about your UAV interest

UAV-3000 with APM 2.5, Boscam and 2W Video Tx s800 APM 2.6, Nex Gimbal, video tx. Spider APM 2.6, Gopro, VideoTx


Hometown:

Alunda


Activity Feed

Ronny Grimm replied to MBerry's discussion APM 3.1 and all flight modes unknown? in ArduCopter User Group
"I now tried to upgrade my Windows tablet to Windows 10 and reinstalled MP still flightmodes unknown...Works ok on my laktos computer with Windows 10."
Dec 31, 2015
Ronny Grimm replied to MBerry's discussion APM 3.1 and all flight modes unknown? in ArduCopter User Group
"I have the same problem on a windows tablet running windows 8.1 and MP 1.3.34 
All flight-modes are working ok in flight but not shown in the MP.
Genuine 3Dr Pixhawk in the other end running latest fw. all works ok with my other PC and windows 10.…"
Dec 29, 2015
Ronny Grimm replied to Ronny Grimm's discussion Please Help with stability issue on BIG D-130 X8
"Found it out myself..
After my latest mod with lowering lipos for more static staility I did not tune accordingly.
Just made an Autotune flight and ended up with Rate P from 200 to 305 Rate I from 180 to 305 and was lower D 0,008 down to 0,002
If…"
Sep 10, 2015
Ronny Grimm posted a discussion
Hi All Having some stability issues on my D-130 X8In light wind or (as today) in suspected thermals it gets very unstable Scary on a 10 000Usd rig!!If I compare Roll des roll and Pitch Des pitch it has a big gap right betore i aborted the mission…
Sep 10, 2015
Ronny Grimm replied to Ronny Grimm's discussion PIXHAWK "EKF Error" almost crashed my 10 000usd octo....
"Thanks! But I have tested to make a new setup/and calibration with arduplane and and the gyro is still tilting now and then.. So it is a faulty pixhawk."
Jul 22, 2015
Ronny Grimm replied to Ronny Grimm's discussion PIXHAWK "EKF Error" almost crashed my 10 000usd octo....
"I now know the reason for this... FAKE PIXHAWK FROM Ebay !!!
Have done some bench testing.
The gyros in this Pixhawk is tilting 20 Degrees in roll now and then!!The Pixhawk is a fake I baught from Ebay....I baught it as a 2real 3Dr2. Looks excactly…"
Jul 22, 2015
Ronny Grimm posted a discussion
HiI´m a big fan of Arducopter and have flown for many years now without any other issues than a broken RC receiver and a power isue but I really need some help now!I have a Foxtech D-130 X8 that i have flewn for some months now and was going to test…
Jul 14, 2015
Ronny Grimm replied to Ronny Grimm's discussion Foxtech D-130 X8 with PIXHAWK
"Tried to run autotune on this beast but it ended up with extremely hoígh values...
Stab P 8,3
Rate P 0,350 I 0,350 D 0,0200
Totally un-flyable values (not able to takeoff)
Made manual tuning instead and it´s now very stable and yet responsive.
Also…"
Mar 24, 2015
Ronny Grimm replied to Ronny Grimm's discussion Foxtech D-130 X8 with PIXHAWK
"Justice gimbal and camera is controlled by a second radio TX
I think that the Pxhawk setup is really easy this days with the wizard and autotune.
The front led:s from e-bay are controlled by rc switch and the blinking ones on the arms are from…"
Mar 15, 2015
Ronny Grimm replied to Ronny Grimm's discussion Foxtech D-130 X8 with PIXHAWK
"Just made maiden flight..   :)
Tested with default PID:s the first flight.
No problems at all. I will have to increase Stab P and Rate P because it was a little bit slow to react.
Posting a video from todays first flight. 
I LOVE THE PIXHAWK <3…"
Mar 14, 2015
Ronny Grimm replied to Ronny Grimm's discussion Foxtech D-130 X8 with PIXHAWK
"Thanks for answer Justice
Sounds confident that the kraken flew on default pid. But with 28" props i thought maybe the motors needs more power to spin up fast enough to correct..?
Yes I have armed and spun up all motors without props and (after…"
Mar 13, 2015
Ronny Grimm posted a discussion
HiI´m just finishing my build of this Giant X8 and being a Pixhawk fan the choice of autopilot was easy...I made a search for D-130 X8 on the net but but didn´t find anything about anyone flying this beast with pixhawk...I´m a litte bit nervous…
Mar 13, 2015
Ronny Grimm replied to Ronny Grimm's discussion Pixhawk+APM power module+Attopilot Wiring ??
"Yes "X" And one more thing...
Check your radio so pitch channel is not reversed..."
Apr 28, 2014
Ronny Grimm replied to Ronny Grimm's discussion Pixhawk+APM power module+Attopilot Wiring ??
"Yes it flies like a dream with the pixhawk. Flies well on default settings but I tuned a little higher  Stabilize P (5,5000) instead of default 4,500 on roll and pitch. 
"Flips backwards..." must be some serious fault on your setup.!!
Double check…"
Apr 28, 2014
Ronny Grimm replied to Randy's discussion ArduCopter-3.1 released!
"Thanks for verifying that Steve!
Just made it out by myself... Have been in my garage all evening and...
1. Disconnected the compas and all was stable
2. Tried to re-calibrate (the reconnected) compass calibration-failed

3, Made a command line…"
Mar 31, 2014
Ronny Grimm replied to Randy's discussion ArduCopter-3.1 released!
"Hi Just got my Pixhawk installed in a F800R hexacopter and first flights went well. but i noticed that after last flight gyros was offset by 15 degrees..so for ex.  fwd pitch was 15 deg to the left...
Tried an autocal flight but aborted because it…"
Mar 31, 2014
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