| 摘要 |
FIELD: aviation; fire helicopters. ^ SUBSTANCE: proposed helicopter has fire-fighting device which is provided with additional nozzle mounted on end of extensible boom. Nozzle is connected with air supply source. Arranged inside additional nozzle is fire-hose barrel and at least one vertical fire-hose barrel directed downward and mounted inside swept rotor area. ^ EFFECT: enhanced efficiency due to increased length of extinguishant jet. ^ 6 cl, 3 dwg |
