| 摘要 |
FIELD: transport. ^ SUBSTANCE: proposed trainer consists of vertical girder and horizontal girder adjoining the former at its top part. Note here that aforesaid horizontal girder represents a crane boom. The said girder free end supports helicopter, rigidly fixed thereto. The helicopter weight is balanced by that linked up with helicopter by metal ropes passed via two support rolls mounted on vertical girder. Both girders are furnished with ladders with railing. Note that vertical girder incorporate a lift. ^ EFFECT: higher quality of training in landing from helicopters. ^ 2 dwg |
