Patent ID: 6886784

Claim:
A combination of an aircraft and high pressure spraying apparatus for spraying suspensions/solutions of insecticides having predetermined characteristics independent of the speed of the aircraft carrying out the spraying, said apparatus comprising: a mounting frame being attached to the underside of said aircraft, said frame having a plurality of bearing braces, said bearing braces being reinforced with a plurality of brackets affixed downwardly from said frame, a propeller shaft mounted through said bearing braces, said propeller shaft having a forward end and an aft end, a full feathering propeller being mounted on said forward end of said propeller shaft, said propeller having a control cable attached thereto, said cable extending to the cockpit of said aircraft and being controlled by an operator in said aircraft, a rotary piston high pressure pump being mounted on said aft end of said propeller shaft, the input side of said pump being connected to a tank mounted in the interior of said aircraft, a spray boom having a forward end and an aft end, said spray boom having a forward end attached to said mounting frame, below the tail end of said aircraft, and being connected to the output side of said rotary piston pump, and a plurality of spray nozzles being attached to said aft end of said spray boom said spray boom having a plurality of nozzles, said nozzles having impingement elements for creating insecticide droplets by force of high pressure insecticide hitting pointed, impingement surfaces.