Some helicopters instead mount the main rotors on winglets instead of lengthwise down the fuselage, such as the Mil V-12 prototype, the largest helicopter ever built.

The choppers in the Piasecki H-21 family have the nickname "Flying Banana" due to the bend in the fuselage, which resembled a banana.

The images show the helicopter breaking into three parts — the fuselage, the main rotor system and the tail boom. One image shows the helicopter — upside down with its main and tail rotors ...

Divers were continuing to recover wreckage from the helicopter, including the main fuselage — containing the cockpit and cabin — the forward portion of the tail boom, the horizontal stabilizer ...

Helicopter rotors impart spin on the fuselage because of Newtonian physics -- that is, when an object exerts a force on another object, the second object also exerts its own equal and opposite force.