"My APM 1.4 standard quad was grounded for two weeks after a hard crash with version 2.71 (2 engines, 2 motor mounts, 2 arms, landing gear, dome, 2 props broken). Today i finished repair and did the next flight with version 2.73 with standard…"
Volker Schirra's Discussions
Radio and ESC calibration
Started this discussion. Last reply by Volker Schirra Mar 12, 2012. 5 Replies 0 Likes
Dear pilots,in general i know how to do Radio and ESC calibration and i did it several times in the past.However, there is a small detail regarding throttle.On my TX i have a slider, which allows to…Continue
Abort after AUTO Take Off
Started Oct 23, 2011 0 Replies 0 Likes
Yesterday i've tried my first mission with my quad (standard frame, sonar, fw 2.047, GPS, coverd baro). In MP i created a mission with auto take off to 5m altitude, 3 waypoints with LOITER, RTL and…Continue
USB Power for RX and APM
Started this discussion. Last reply by Volker Schirra Oct 19, 2011. 5 Replies 0 Likes
Dear all, whenever i load a new firmware, i do a fresh calibration of sensors and radio after erasing/resetting the eprom contents. Calibrating the sensors can be done by powering the red board via…Continue
automatic landing a quad
Started this discussion. Last reply by u4eake Oct 22, 2011. 3 Replies 0 Likes
Dear all,first let me say a big thank you to the community, specially to the developers of this great copter. I spent a lot of time with it and believe me, i had a lot of fun.In the weekend, the…Continue
Volker Schirra's Page
Latest Activity
Volker Schirra replied to Andreas M. Antonopoulos's discussion ArduCopter 2.7.1 Released"That's the log of the crash. I took the log with highest number. Unfortunately i've no expirients with evaluation of log files
After the crash the sonar is no longer working; it indicates alway 20 cm. Could the crash be a problem with…"
Volker Schirra replied to Andreas M. Antonopoulos's discussion ArduCopter 2.7.1 Released"What happened?
I was flying my (all standard) quad fw V 2.71 for a couple of days without problems. In my opinion that firmware version is not so smart as v 2.6, but probably good for flying around in simple mode.
Today after work i had an other…"
Volker Schirra replied to Randy's discussion ArduCopter 2.6 released!"Excellent!
just coming from the field. My quad (2560 APM1, V 2.6, standard Arducopter kit V 1.1, wind 8 knots, no pids tuned) was flying amazing.
I tried ALT_HOLD and RTL (without landing) and SIMPLE mode and it was a pleasure.
Throttle stick feels…"
Volker Schirra replied to Volker Schirra's discussion Radio and ESC calibration"Dear Vernon,
Thanks, and i really appreciate the way you explained how to use trim. Because of all the disscussions about tuning parameters i lost orientation.
"
Volker Schirra replied to Randy's discussion ArduCopter 2.4 released"Downloading Git Release on Linux: git clone https://code.google.com/p/ardupilot-mega
You'll find APM_Config.h in folder ArduCopter
"
Vernon Barry replied to Volker Schirra's discussion Radio and ESC calibration"I think your talking apples VS oranges. The question was what position should the trim be on on the transmitter and that ALWAYS should be the middle when setting up any RC system for any purpose.
On the specific issue of not being able to get…"
Volker Schirra replied to Volker Schirra's discussion Radio and ESC calibration"Thanks Jason!
i guess i did right to set throttle trim slider to min before all calibrations.
NUE airport has announced for tomorrow afternoon good weather (no rain, max 6 knts wind) - Can't wait to finish work for enjoiying another great…"
Vernon Barry replied to Volker Schirra's discussion Radio and ESC calibration"Always set with trims in the middle! That's the entire point of trim, to allow you to adjust after it's calibrated just like a real world mechanical setup. If you calibrate at any other position you limit how much "room" you have…"
Developerjasonshort replied to Volker Schirra's discussion Radio and ESC calibration
"Your throttle should never be trimmed after setup. It should be low enough to be below the ESC's minimum threshold.
I had to lower the endpoint on my Futaba to get the HK ESCs to arm. 1100pwm was too high, but 1080 or so worked.
Jason"
Volker Schirra posted a discussionRadio and ESC calibration
Dear pilots,in general i know how to do Radio and ESC calibration and i did it several times in the past.However, there is a small detail regarding throttle.On my TX i have a slider, which allows to trim throttle. I'm wondering how to set the slider when calibrating. Should i set the throttle trim slider to min, max or neutral?What are your recommendations?Do i need for Radio and ESC calibration the same throttle trim slider settings?See More
Volker Schirra replied to Randy's discussion ArduCopter 2.4 released"Thanks Johan
in MP are several throttle params. Which one is "throttle P"? (sorry for stupid question)
The quad i have is all standard.
Did you decrease or increase the value on your quad?"
Volker Schirra replied to Randy's discussion ArduCopter 2.4 released"Today i tried to fly my standard quad in simple mode with fw 2.41 from Mission Planner 1.1.42.zip.
Behaviour for throttle in completly different to earlier firmware versions. For lift off, i need about 80% throttle. After the quad is in air, usually…"
Volker Schirra replied to jasonshort's discussion Arducopter 2.2 beta"Result from the field: my fingers are like icicles because the quad was flying so great ;-)
My quad is a standard kit (apm1) in + setup with 2200mAh battery and sonar. All parameters were unchanged.
Weather conditions are: -4 Celsius, wind approx. 7…"
Volker Schirra replied to Johannes Huss's discussion HELP! - Crash report with log and video"Have a look to this picture:
http://diydrones.ning.com/forum/attachment/download?id=705844%3AUploadedFile%3A691141
It was taken after a "kissing" a tree. Incredible, but the quad was flying (and save landing) with the damaged…"
Volker Schirra replied to jasonshort's discussion Arducopter 2.0.48/49"Quad seems to be "bullet proof" with Jasons 2.049 firmware.
Have a look to the pic. Even with such a prop it was possible to land the quad in one piece.
What happens? My first flight with fw 2,049. Was flying in simple mode (ch #7),…"
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