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Oct 02, 2013, 01:49 AM
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More PX4flow





So the PX4flow has a very low top speed. 0.25m/s was the fastest it could move before it stopped detecting movement at all & flew either away or much farther than it was programmed to.


Your luck depends entirely on the type of carpet. Its top speed in the plush apartment carpet seemed to be higher than the finely colored office carpet. Its sweet altitude has been 1m over all carpets.


More Microquad Crashes (0 min 36 sec)



Then, there were issues with the maximum turn rate being real low before it exploded. Suspect the microquad has much better performance than this, but it needs very precise tuning.


The attempt to offset the magnetometer to compensate for motor current failed. The turns were still way off. The only solution is a mast with a 2nd chip, but it wouldn't be crash proof or aligned perfectly after repairs, making it still error prone. The mane problem is the limited velocity for position sensing.


The flight time with the PX4flow weighing it down was slightly better than the Syma X1 at 7 minutes.


Px4flow waypoint navigation (11 min 43 sec)



Some fully autonomous flights followed by manual position commands at different altitudes.
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