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RTH & Spark went up like a rocket
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<blockquote data-quote="DurhamPro" data-source="post: 39850" data-attributes="member: 5189"><p>Maybe someone has had this happen and can explain what went wrong. Just flying my Spark off my deck in the field behind my house. Took the drone out approx 200 feet away and 30-40 feet up. The drone is set to RTH at 20 meters, as I have never used RTH I thought I would give it a try. Initiated RTH and the drone went balistic, straight up I’m guessing 500 feet (it was just a little dot) before I could cancelled the RTH and bring the drone back to land safely on my deck.</p><p></p><p>When I checked the flight logs, they start at 0’ when I take off and then gain altitude as I would expect them to. When I took control of the drone to bring it back manually the altimeter was reading in negative numbers over -100 but it was 20 feet in the air. Somehow IMHO the Spark thought it was below its 20 meter rth height and went verticle like a rocket. </p><p></p><p>Could this be a calibration issue? I calibrated the imu and the compass the other day but have never experienced something like this.</p></blockquote><p></p>
[QUOTE="DurhamPro, post: 39850, member: 5189"] Maybe someone has had this happen and can explain what went wrong. Just flying my Spark off my deck in the field behind my house. Took the drone out approx 200 feet away and 30-40 feet up. The drone is set to RTH at 20 meters, as I have never used RTH I thought I would give it a try. Initiated RTH and the drone went balistic, straight up I’m guessing 500 feet (it was just a little dot) before I could cancelled the RTH and bring the drone back to land safely on my deck. When I checked the flight logs, they start at 0’ when I take off and then gain altitude as I would expect them to. When I took control of the drone to bring it back manually the altimeter was reading in negative numbers over -100 but it was 20 feet in the air. Somehow IMHO the Spark thought it was below its 20 meter rth height and went verticle like a rocket. Could this be a calibration issue? I calibrated the imu and the compass the other day but have never experienced something like this. [/QUOTE]
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RTH & Spark went up like a rocket