NBO–105 CB/S the multi purpose helicopter

The NBO-105 has been developed as one of the first twin engine multi purpose helicopter with a hingeless rotor system. Thanks to the System Bolkow hingeless rotor, the NBO-105 is flying qualities are better than those of known helicopters with conventional rotor systems. This applies in particular to the hovering qualities and the maneuverability under all flight conditions. It has a skid type landing gear with plastically deformable cross tubes.

The fuselage of the NBO-105 CB/CBS both of lightweight semi monocoque aluminium construction with non stressed part of fiberglass reinforced plastic. The difference between the CB and CBS is a 10 inch (25cm) stretch ("S") in the cabin of the CBS model.

The main features of the Varians's NBO-105 CB/CBS multi purpose helicopters are :

• The hingeless rotor "System Bolkow" with titanium rotor head, fiberglass reinforced plastic main rotor blades, with anti-erosion strips.

• The high set semi-rigid two bladed tail rotor with fiberglass reinforced plastic tail rotor blades, with anti-erosion strips.

• Twin engine safety using two Allison 250-C20CB gas tubines.

• Practical and modern airframe with spacious cabin and large cargo compartment.