An airborne vehicle adapted to perform vertical takeoff and landing (VTOL), comprising: at least two multi-rotor systems, wherein said at least two multi-rotor systems are disposed substantially symmetrically around the center of gravity of the vehicle, each multi-rotor system comprising: at least three rotors (810C1, 810C2, 810C3) arranged in a common plane and rotatable about a common axis, wherein the outer radius of a first rotor (810C1) is slightly shorter than the inner radius of the second rotor (810C2); driving means (820C1, 820C2, 820C3) adapted to rotate each of the rotors (810C1, 810C2, 810C3) in a rotational speed independent of the rotational speed of the other rotors (810C1, 810C2, 810C3); an air duct; a suspension bridge extending between an inner portion and outer portion of the air duct, said suspension bridge comprising two or more radial elements; wherein the first rotor (810C1) is suspended by a first bearing (830C1) installed in the inner portion of the air duct, wherein a rotating portion of a first driving means (820C1) is disposed adjacent to the outer circumference of the first rotor (810C1) and wherein a stator portion of the first driving means (820C1) is suspended by the suspension bridge, wherein a second bearing (830C2) is disposed around the outer circumference of the first rotor (810C1), wherein the second rotor (810C2) is suspended by the second bearing (830C2), wherein a rotating portion of a second driving means (820C2) is disposed adjacent to the outer circumference of the second rotor (810C2) and wherein a stator portion of the second driving means (820C2) is suspended by the suspension bridge, wherein a third bearing (830C3) is disposed around the outer circumference of the second rotor (810C2), wherein a third rotor (810C3) is suspended by the third bearing (830C3), wherein a rotating portion of a third driving means (820C3) is disposed adjacent to the outer circumference of the third rotor (810C3) and wherein a stator portion of the third driving means (820C3) is suspended by the outer portion of the air duct, and wherein each of said driving means (820C1, 820C2, 820C3) is a ring-type Electrical Motor adapted to provide to its associated rotor rotational power about said common axis. at least three rotors (810C1, 810C2, 810C3) arranged in a common plane and rotatable about a common axis, wherein the outer radius of a first rotor (810C1) is slightly shorter than the inner radius of the second rotor (810C2); driving means (820C1, 820C2, 820C3) adapted to rotate each of the rotors (810C1, 810C2, 810C3) in a rotational speed independent of the rotational speed of the other rotors (810C1, 810C2, 810C3); an air duct; a suspension bridge extending between an inner portion and outer portion of the air duct, said suspension bridge comprising two or more radial elements; wherein the first rotor (810C1) is suspended by a first bearing (830C1) installed in the inner portion of the air duct, wherein a rotating portion of a first driving means (820C1) is disposed adjacent to the outer circumference of the first rotor (810C1) and wherein a stator portion of the first driving means (820C1) is suspended by the suspension bridge, wherein a second bearing (830C2) is disposed around the outer circumference of the first rotor (810C1), wherein the second rotor (810C2) is suspended by the second bearing (830C2), wherein a rotating portion of a second driving means (820C2) is disposed adjacent to the outer circumference of the second rotor (810C2) and wherein a stator portion of the second driving means (820C2) is suspended by the suspension bridge, wherein a third bearing (830C3) is disposed around the outer circumference of the second rotor (810C2), wherein a third rotor (810C3) is suspended by the third bearing (830C3), wherein a rotating portion of a third driving means (820C3) is disposed adjacent to the outer circumference of the third rotor (810C3) and wherein a stator portion of the third driving means (820C3) is suspended by the outer portion of the air duct, and wherein each of said driving means (820C1, 820C2, 820C3) is a ring-type Electrical Motor adapted to provide to its associated rotor rotational power about said common axis.