A friend of mine says he’s seen a helicopter loop the loop at an air show. Is it really possible? And if it is, how? (Continued) • The above photo is proof that looping the loop is possible in a ...

A friend of mine says he’s seen a helicopter loop the loop at an air show. Is it really possible? And if it is, how? • In theory, most helicopters can perform a loop. With enough speed and distance ...