Discussions

I have been fighting with this for a sometime and I am running out of options.

Problem: Right back motor + esc heats up. No other motor or esc heats up. On left yaw wobble

Tests done:

• changed esc --> no change.
• changed motor --> no change
• rewired my power leads --> no change
• checked that motor axel is not touching the frame & made the frame holes bigger --> no change.
• The right back motor heated up also before Plush 25A reflash --> not caused by reflasing.

Now I flashed my Plush 25A with BLheli firmware. Endresult is that all is very well, except on left yaw there is a wobble. Wobble is x-type woblle. The heating up motor is on the axis wobbling. Similar to P-term being to high.

• Tested with reducing roll & pitch rate P-term --> no change
• Tested with lowered stablize yaw P-term cloze to zero  --> copter remains stable, and no wobbles, but no turning either.
• Reduced way rate I max term from 50 to 10 --> in my opinion this reduced wobble a bit.

Potential solution:

• Is my frame unbalanced / one motor unaligned that this leads to rate I to build up to compenzate for yaw. When I try to do left yaw the situation get bit uncontrolled.
• What is a good way to test if there is an inbuild way in the frame that is compensated by I term?
• Or any other good proposials?

Many thanks in advance,

(Custom made quadroframe, Turnigy 2217 motors, Plush 25A with Blheli,  APM2.0, Arducopter 2.7, initially stock PID-terms.)