TEST AND EVALUATION OF THE A/A 45Y-2 PRESSURIZED DEFOLIANT DISPENSER
Final rept., 23 Apr-31 Aug 1964
MICHIGAN UNIV ANN ARBOR FISSION PRODUCTS LAB
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The project was conducted as a test and evaluation of a pressurized defoliant dispenser, installed in a C-123 aircraft. Emphasis was placed on an evaluation of the capability of he dispenser to deliver defoliant agent in effective dosages from dissemination altitudes of 50-2000 ft absolute. Testing of the system revealed the following problems 1 excessive weight of the filled test item, reducing the operational range of the C-123 to approximately 50 nm 2 contamination of the aircraft fuselage and tail surfaces with agent during dissemination and 3 interference with aircraft equipment, i.e., access to aircraft battery compartment for required seven-day inspections and installation of the cargo ramp positioning links, which prevent lowering the ramp below the horizontal in flight. High-altitude dissemination flights above 500 ft did not prove feasible due to the lack of aimability of the spray pattern. Within the test parameters of airspeed, altitude, and flow rate employed during testing, the system is characterized by small area coverage at minimum concentration levels of 1.5 and 3 gallons per acre. The maximum computed area coverages for these concentrations were .384 and .212 square miles, respectively.
- Agricultural Chemistry