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jos's Discussions

Engine hickups in flight

Started this discussion. Last reply by Svein Alexander Frotjold Sep 7, 2013. 47 Replies

I'm flying a DJI Flamewheel 550 with a APM 2.0, it's flying very nice. and using the DJI esc's and engines.Sometimes in flight one engine is quitting the job. Only for half a second and then back to…Continue

Heading hold problems

Started this discussion. Last reply by jos Aug 8, 2012. 8 Replies

I experience strange behavior with my heading hold.The quad rotates cw and back the whole time, but no steady heading hold.It rotates all over the place.I'm using an APM2 with the latest firmware.I…Continue

APM2 pids dji 550 frame

Started this discussion. Last reply by T.C. Sep 12, 2013. 9 Replies

Hi,I'm flying a APM2 on a DJI 550 frame, but a can't get it as stable as the naza controller.Does somebody have the pids for the dji 550 frame?thanksContinue

 

jos's Page

Latest Activity

T.C. replied to jos's discussion APM2 pids dji 550 frame
" Hi, i have a Flamewheel 550 Frame, 10x4.5props these motors HT3536 V2 Motor with 470 Watt 910 rpm / V 40 A 2 Lipo: 3s 5000 my pids are below, still not quite happy with wind loitering but stabilising well otherwise "
Sep 12, 2013
Svein Alexander Frotjold replied to jos's discussion Engine hickups in flight
"Hi Randy. is there a option to disable this throttle compensation when is stabilize mode.. i just want the angle of the copter to be stabilized (Attitude) not a forward feed altitude "help". This has been bothering me from day one of using…"
Sep 7, 2013
walthero replied to jos's discussion Engine hickups in flight
"I had this with p-gain 0,145 but when tuning down to 0,11 i got rid of the twitching every 30-40 second while hovering. Try the same..."
Feb 4, 2013
Kirk D replied to jos's discussion APM2 pids dji 550 frame
"I too have integrated the APM 2.5 to the DJI Flamewheel 550 airframe and found that it does not hold position as well as the WKM. Does anyone have the PIDs for this frame?"
Nov 27, 2012
jason goldenberg replied to jos's discussion Engine hickups in flight
"Jos, can you send me what your final tunings were for your hexacopter?  It would be a good place for me to start.  A screenshot of your settings would be perfect. Thanks   Jason  "
Nov 15, 2012

Developer
Randy replied to jos's discussion Engine hickups in flight
"Carlos,      Could you try reducing your Rate D parameter a bit? -Randy"
Sep 26, 2012
Peter Chaffe replied to jos's discussion Engine hickups in flight
"Randy, Thanks for the help! Really appreciate it! Windy as hell here, but put throttle_rate on ch6.  0 to default No difference to surging!!! Ok will go back to v2.6 and video everything, need to wait for these winds to die out!, Once…"
Aug 16, 2012

Developer
Randy replied to jos's discussion Engine hickups in flight
"Peter,      Sorry for all the separate replies..just looked at your video and it's very bad.  Now one thing is..is it possible that you also have a bad ESC or motor (or a bullet connector) and the problem has just…"
Aug 16, 2012

Developer
Randy replied to jos's discussion Engine hickups in flight
"Peter,      Could you try reducing your ThrottleRate P value a bit?  I haven't actually compared a "good throttle control" log to yours but this appears overly active to me. You might even want to try…"
Aug 15, 2012

Developer
Randy replied to jos's discussion Engine hickups in flight
"Peter,      The difference between the yaw-in and yaw is just that the "yaw" displayed in the logs is a heading while the yaw-in is the change-in-yaw that the pilot wants...so it's very hard to compare…"
Aug 15, 2012
Jerry Normandin replied to jos's discussion Engine hickups in flight
"During my first flight check I was lucky and noticed issues with the 3mm bullet connectors. Here's what I did. I tinned the connectors with solder.   It's a tight fit, but it works."
Aug 15, 2012

Distributor
Dany Thivierge replied to jos's discussion Engine hickups in flight
"Oh no... here we go again with bullet connectors failure/issues...  and people still ask why I always recommend to remove them and solder directly the wires?  Yes it only happen to some people but really why take the chance?  It is…"
Aug 15, 2012
TUFAN OZBEK replied to jos's discussion APM2 pids dji 550 frame
"can you give me a screenshot about your pid settings or *.param file thank you very much.."
Aug 15, 2012
Harry replied to jos's discussion Engine hickups in flight
"I find those springy metal things start to flatten out and lose their spring and then the connection is loose and unreliable.  I've taken an xacto and put a hump back in them before, but always wondered if they might just break one day due…"
Aug 14, 2012
jos replied to jos's discussion APM2 pids dji 550 frame
"Its a nice and solid frame, now it's flying very good."
Aug 14, 2012
TUFAN OZBEK replied to jos's discussion APM2 pids dji 550 frame
"jos did you solve your problem?i am planning to buy dji 550 frame and i have apm2 board can you stabilize good? thank you.."
Aug 14, 2012

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