In the book Old Yeller was a Black Mouth Cur. Black mouth curs were not uncommon in the earlier USA days (âwild westâ days) in the southern USA (Texas, etc.) and could have been chosen as the breed in the book because it was recognized and it was a common hunting companion dog.
The cost per flight hour varies by type of drone. Predator and Reaper drones cost about $2,500-3,500 per flight hour; larger armed systems such as the militaryâs Global Hawk cost about 10 times as much: approximately $30,000 per flight hour.
Autel Robotics plans to launch the Kestrel UAV in March 2017 and it is likely to retail at between $10,000-$15,000. The firm is also showcasing its new line of X-Star consumer drones, which bear more than a passing resemblance to the drones of the world's largest consumer drone manufacturer DJI.