Tero Koivunen
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Don't be too exited, you take unneccessary risks, losing UAV Plane

Started this discussion. Last reply by Andre S Nov 3, 2010. 17 Replies

Just before sunset, new ixus 100s camera, ardupilot + other stuff, sh*t, f*ck and so on.Goldberg Electra + tsunami 10/15 + Rhino/Zippy 3700mAh Lipo (!)Maybe too windy, it takes fine 1st turnpoint…Continue

 

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Latest Activity

Tero Koivunen replied to Iman Sadeghzadeh's discussion Hobby King Ardupilot in the group ArduPlane User Group
"Why not, that product discussion thread in HK is interesting. (I ordered one, I have expensive PX4 and APM1.0 and lost Legacy one) I have bought things from 3dr and diydrones and China, usually ok, some headers missing (3dr) or something but mainly…"
Tuesday
Tero Koivunen commented on Alejandro Martin Pirola's blog post 3D printed quadcopter with detachable arms - Part2: Flight test
"Waiting STL-files ;-)"
May 12
Tero Koivunen replied to John Mulligan's discussion Px4 Testing
"Thank you very much! I removed my etc/rc and finally everything looks normal. I was trying too much, and too stuck on various "old" examples and samples :-\ Least I learned some inner soul of PX4 ,-) "
May 4
Tero Koivunen replied to John Mulligan's discussion Px4 Testing
"Is this right etc/rc script to use with PX4fmu+io+ Arduplane 2.72 ? https://github.com/PX4/Firmware/blob/master/ROMFS/scripts/rc.PX4IO I made some logging like: ... gps start echo "gps OK" >> /fs/microsd/mylog.log kalman_demo…"
May 4
Tero Koivunen replied to John Mulligan's discussion Px4 Testing
"Ok, mavlink works again (my fault), and it seems like it flashes io but not sure (promising blinkings). Next I try to add some loggin into startup sequence, i think something went wrong after mavlink start and before end."
May 4
Tero Koivunen replied to John Mulligan's discussion Px4 Testing
"Things are getting worst: [PX4IO] poll timeout 0[PX4IO] poll timeout 0[PX4IO] bootloader not respondingFailed flashing /fs/microsd/px4io.bin and no mavlink connection anymore. Only boot USB com port, possible to flash fmu. Earlier I got MicroSD card…"
May 4
Tero Koivunen replied to Andrew Tridgell's discussion ArduPlane 2.72 released
"I had with my new PX4 lost com port syndrome, I can update Firmwares, but initializing sequence drops out com port after few seconds. Also I have old and reliable (?) APM 1.0, in FPV twin raptor  which I can try new version when weather…"
Apr 30
Tero Koivunen replied to Marc's discussion Px4 Rx connection Help in the group ArduPlane User Group
"In IO board it shows 3 pin Sbus connector place: https://pixhawk.ethz.ch/px4/_detail/modules/px4iov1.3_overview.png?id=modules%3Apx4io I dont't know what kind of is Sbus connector in receiver. Also there is PPM hacks to various receivers.... I…"
Apr 30
Tero Koivunen replied to Marc's discussion Px4 Rx connection Help in the group ArduPlane User Group
"Maybe you need this: https://pixhawk.ethz.ch/px4/modules/px4io waiting Fedex packet to coming today (Px4+Px4io) ;-)"
Apr 30
Tero Koivunen commented on Alejandro Martin Pirola's blog post 3D Printed Quadcopter with detachable arms
"Which Props you are using? "
Apr 28
Tero Koivunen commented on Alejandro Martin Pirola's blog post 3D Printed Quadcopter with detachable arms
"Very impressive, nice arms, and also foldable, good. If you want some critisism ;-) legs look little bit too thin, ABS plastic don't like bending, it cracks upon time. Of Course you can always print new ones. Nylon (Taulman) would be ok in…"
Apr 28
Tero Koivunen replied to Marc's discussion Arduplane px4 in the group ArduPlane User Group
"It should be, check those threads: http://copter.ardupilot.com/wiki/px4-firmware-install-mission-planner/ and http://diydrones.com/forum/topics/apm-vs-px4-what-to-get?id=705844%3ATopic%3A1136356&page=19#comments I have my PX4 in toll waiting for…"
Apr 26
Tero Koivunen replied to Jeffrey H.'s discussion Solar Powered Plane
"Any news, deadline is near ;-) ? I noticed that cell cutting is not easy, cells shatters into pieces."
Apr 19
Tero Koivunen replied to Jeffrey H.'s discussion Solar Powered Plane
"Ok, with flexible panel straight to the wing top is ok. 18 volt could be business jargon, nominal no current voltage etc. "
Apr 14
Tero Koivunen replied to Jeffrey H.'s discussion Solar Powered Plane
"Ok, I think you have to get half of them parallel config , so double amps and half voltage 13.5v (perfect)  and 5 amps. Sorry not yet experience solar cell untabbing and tabbing (don't know what is possible), use flux ;-) "
Apr 13
Tero Koivunen replied to Jeffrey H.'s discussion Solar Powered Plane
"One trial and least partial success: http://diydrones.com/forum/topics/lusa-low-cost-unmanned-solar?xg_source=activity Cell cutting also possible ("raw cells"): http://www.youtube.com/watch?v=zi6AAHEpL2Y You need carefully calculate proper…"
Apr 13

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About Me:
Meterology+Programmer
Glider Pilot
Tell us a bit about your UAV interest
Thermal Finding
Hometown:
Vantaa, Vapaala

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