I'm not sure what kind of engine. But I think the owner said that the engine produced 1500 horsepower on this run. He had to drive a long way on a public road, therefore only 1500hp. Usually he uses a set up with 2400hp. As an earlier Granada owner, I love this Granada.
Uhm The Parrot Ar Drone 2.0 Should Auto Land Itself When The Battery Level Allmost Out, It Should Calculate The Distance Between Ground And Itself And Calculate How Much Power It Takes, Idk If you can disable that. but it should auto land