UNMANNED AERIAL VEHICLE FOR EXTINGUISHING FOREST FIRES Russian patent published in 2019 - IPC B64C39/08 B64D1/16 A62C3/02 

FIELD: aviation.

SUBSTANCE: unmanned aerial vehicle for extinguishing forest fires includes upper and lower wings. Main wing of the non-retractable landing gear with the nose wheel fixed to the bottom of the propeller compartment is attached to the lower wing. On upper wing there are ailerons to create lateral roll at turn or turn. Airframe rear section accommodates horizontal tail unit with elevator. In the centre of the wings there is a tandem propeller unit of 2 piston engines of the "pull-push" type, on both sides of which communicating tanks for extinguishing liquid are fixed, which simultaneously serve as the biplane posts, passing into tail beams, ending with vertical rudders of direction.

EFFECT: invention is aimed at increasing the weight efficiency coefficient and efficiency of suppression.

1 cl, 3 dwg