Setup of a new quad copter, two issues: high vibe values at high speed and unstable vertical descent

[geofrancis ([𝙂𝙚𝙤])]

yes, the arms were getting twisted by the torque of the motors, you can lower the imu filter to tune it out but its not ideal

How to build a 1 hour 250g Ardupilot quadcopter

Based on my experience with people wanting to fly Ardupilot for fun, they usually want a few essential things, 1, Flight time, there is no use trying to do waypoints with a quad that only flies for 5 minutes. 2, Under 250g. The laws in most countries only allow up to 250g to be flown unregistered or near buildings and houses. 3, Telemetry, you want to be able to upload waypoints and send commands reliably without using USB. 4, RC channels, with all the functions and modes ardupilot has, the …