AIR APPLICATION FORMULAS

TM-5-3740-218-13P Pesticide Dispersal Unit Multicapabilty Helicopter Slung (PDU) Manual
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TM 5-3740-218-13&P d. GPA = GPM x 495 MPH x SW e. GPM = GPA x MPH x SW 495 f. GPM/NOZ = GPA x MPH x SW or GPA x MPH x Nozzle Spacing* # NOZ x 495 5940 g. Length of Swath Run = MPH x Seconds Traveled x 1.466 h. Min/Acre 495 MPH x SW i. MPH = GPM x 495 GPA x SW j. MPH = 0.682 x Distance Traveled Seconds k. PSI = (GPA x MPH x SW)² 495 x # NOZ x GPM/NOZ at 30 PSI l. Swath Runs/Load = Acre Load in Hopper Acres per Swath Run m. Swath Runs/Load = # Gal in Hopper # GPA x Acre/Swath Run n. Swath Runs/Load = Acre Load in Hopper x 43560 Field Length x Swath Width o. TIME/Load = 495 x # Gal per Load GPA x SW x MPH * Use only if SW is same as boom width. X 30 G-5

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