| 摘要 |
FIELD: air transport facilities; helicopters. ^ SUBSTANCE: proposed helicopter has case and blades located in horizontal plane. Each side surface of helicopter case is provided with blades located in vertical plane parallel to longitudinal axis of helicopter; blades are connected with engine by means of differential gear whose output axles may be braked in turn by crew by means of brake shoes. Helicopter is provided with rack-and-gear mechanism used for control of blades. ^ EFFECT: enhanced operational reliability; improved speed characteristics. ^ 8 dwg |
