Hello everyone, I'm new to the group, I switched recently to APM and I'm trying to fly a 800 esa former frame f 550 with arms rct 800. After several failures and after finding some problems both structural and incorrect calculations of battery / engines all seemed resolved with several tests unsuccessful to date. I had a crash immediately after take off and moving to stabilize the mode to hold alt, just entered the alt hold I lost control about 3 meters, it all happened so fast that I did not have the opportunity and the time material to bring it back in stabilize.Il crash was rather nice so I destroyed the truck and the gimbal, fortunately the room was not damaged. I checked the logs and apart from the fs GPS (I was 7 satellites) that I had but it was not my intention to drive it in loiter because I just wanted to make a calibration of PIDS in auto tune, I noticed the problems on the commands ATT despitch and pitch, but especially on the roll and roll des. I think it's a mechanical problem I point, tied to a motor or an ESC although everything is new and before today had not given similar problems. Some of you have had similar problems? I enclose also log the flight if anyone cares to look. Thank You
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