OSVRT NA PROJEKTOVANJE GLAVNOG ROTORA HELIKOPTERA.

This article - paper presents the design of the main rotor of the helicopter supported by the patent documents, as a very useful tool (instrument) to reach the specific ideas and design in order to find the most economical way for the quality solution for a certain technical problem present in the process of design (construction). A large amo-unt of technical information first appears in patent documents and abo-ut two thirds of this information cannot be found on any other site. [ABSTRACT FROM AUTHOR]