"Roll authority was greatly improved in FBW mode. Thanks for the tip!
Regards,
Serge"
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Serge Gonzales
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Serge Gonzales replied to Serge Gonzales's discussion Fbw-a limited left bank in the group ArduPlane User GroupSerge Gonzales replied to Oxxy Fx's discussion APM 2.5 Hexa twitching in Stabilized mode"Happened to me too, whatever firmware I used. Apparently the orange rx doesn't like the wires that come from the 3DR kit (crimped housing with the white, orange and yellow wires, and a single black/red wire to power the rx). Notice that it only…"
Serge Gonzales replied to Serge Gonzales's discussion Pitch Related Parameters in the group ArduPlane User Group"Thank you for sharing this sir. I am also considering doing this. If the autopilot cannot compensate, I will definitely experiment on adding upthrust on the pusher motor."
Serge Gonzales replied to Serge Gonzales's discussion Pitch Related Parameters in the group ArduPlane User Group"Thank you sir. I will test it out tomorrow. :D"
leopoldo ojea replied to Serge Gonzales's discussion Pitch Related Parameters in the group ArduPlane User Group"Serge,
I had a similar problem.
When motor was over 65% my FPV pitched down but if reduced throttle to minimum it flew without no problem.
Solution:
I had to change the motor angle to compensate this pitch problem.
From there on I had…"
Ravi replied to Serge Gonzales's discussion Pitch Related Parameters in the group ArduPlane User Group"hi serge, us the standard parmeter function in throttle-pitch mixing in configuration. it is set in %. try 3 -5 %. it can be + or - . if nose goes down on throttle up then should be - (minus). most aircrafts nose up or down on throttle…"
Serge Gonzales added a discussion to the group ArduPlane User Group
Pitch Related Parameters
Hey guys,My EPP FPV has this bad habit of pitching down when the throttle is increased to maximum in both manual and auto mode (CG is perfect when I'm flying in manual mode, no trims). It may be indicative of bad thrustline or flexing of the entire tail section in high speed. In auto mode, the ardu can compensate enough when I limit the maximum throttle to about 60 percent but it flies too slow and it will not be able to fly stably in moderate winds. If I set the maximum speed to 100, the ardu…See More
Serge Gonzales replied to Serge Gonzales's discussion Fbw-a limited left bank in the group ArduPlane User Group"Will do sir! I will try out those values as soon as possible and report it here. Oh and I found lim_roll_cd, Now I'm sure I really can't find PITCH_COMP. I'm still looking XD
Regards,
Serge
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DeveloperAndrew Tridgell replied to Serge Gonzales's discussion Fbw-a limited left bank in the group ArduPlane User Group
"Hi Serge,
A couple of things I notice in the logs.
First off, when tuning a plane I suggest you set TRIM_AUTO to 1. That will mean that when you change from MANUAL to any other mode that the APM will take your current stick positions as the correct…"
Serge Gonzales replied to Serge Gonzales's discussion Fbw-a limited left bank in the group ArduPlane User Group"Hi sir. Thanks. Here's the flight. The FBW is activated at 58% of the log Regards,
Serge"
DeveloperAndrew Tridgell replied to Serge Gonzales's discussion Fbw-a limited left bank in the group ArduPlane User Group
"Hi Serge,
If you can post a tlog (telemetry log) then I can try to work out what is wrong.
I'd also suggest you try the latest release.
Cheers, Tridge
"
Serge Gonzales replied to Serge Gonzales's discussion Fbw-a limited left bank in the group ArduPlane User Group"Yes they move correctly and respond correctly. if i give a left command in stabilize mode,the left aileron moves up; right goes down. and the craft returns to level when I put the rc sticks back to center
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Hein du Plessis replied to Serge Gonzales's discussion Fbw-a limited left bank in the group ArduPlane User Group"Oh OK that's that then. Do the ailerons move correctly in stabilize mode when you move it by hand?"
Serge Gonzales replied to Serge Gonzales's discussion Fbw-a limited left bank in the group ArduPlane User Group"Sorry that's what i meant. Flying in manual mode the plane flies straight as an arrow.
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Hein du Plessis replied to Serge Gonzales's discussion Fbw-a limited left bank in the group ArduPlane User Group"You need to *fly* in manual mode to see. The problem with those types of planes, if the boom is twisted or misaligned in some way, it acts as a rudder and APM fights hard to keep the plane straight and you don't know it. When you switch to…"
Serge Gonzales replied to Serge Gonzales's discussion Fbw-a limited left bank in the group ArduPlane User Group"Yes ailerons are moving correctly. Manual mode is unremarkable. Lots of available travel and flies straight as an arrow with center trims.
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