Ardupilot 2.5 runaway and crash (with video)

Hello,

I'm trying to figure out what made my drone runaway (extremely fast) when in one of the "automatic"-modes (RTL and auto). 

Hardware:

• Ardupilot 2.5
• 3DR gps v. 1.1 (no compass)

Video:

Mission:

Actual flight:

Story:

I had the whole quad working just fine

Read more…