"I m also having the same problem !
I think there is some problem with Barometer readings.
i have tested barometer separately using Arduino IDE example code (comes in the package ArduCopter 2.7.3 ) and found that altitude reading is fluctuating…"
"nyc choice of battery. :) its bit heavy though. I think it will be ok.
ya that's true actually, EDF fans are not stable while hovering. they do not provide better air cushion below the vehicle so that it can hover properly. it…"
"i want to make one thing clear that.. its not all about speed, its about the trust the motor can generates..but in your case both the outrunner 3800kv and 3500kv is producing the same trust of 1100g which is good for a UAV of around (2 x 1100g +…"