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 _    _      ___      _____    _    _     ______  
| \  / ||   / _ \\   |__  //  | || | ||  /_____// 
|  \/  ||  / //\ \\    / //   | || | ||  `____ `  
| .  . || |  ___  ||  / //__  | \\_/ ||  /___//   
|_|\/|_|| |_||  |_|| /_____||  \____//   `__ `    
`-`  `-`  `-`   `-`  `-----`    `---`    /_//     
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Text this: Identification and modelling of a quadrotor