AERIAL AGRICULTURE E. EVANS CHAMBERS IV

HISTORY FIRST APPLICATION - 1921 Centennialofflight.gov WW I - JN-6H

HISTORY Hazards 1945 used Aircraft - $250 Water Tower Collisions Fence Post Contact Flagmen to Signal Pilots 1945 used Aircraft - $250

APPLICATIONS Pesticide Herbicide Fertilizer Seeding

APPLICATIONS Regular Property Inspection Combating Equipment Fires Accessing Livestock Remote Sensing

TURBULENCE NASA Experimentation

VORTICES Flow from High to Low Pressure Solenoidal Flow Results

SRAY ADDITIVES Surfactant Reduces Surface Tension Greater Chemical Absorption/Coverage May Alter Spray Drift

SRAY ADDITIVES Electrostatic Spray Increased Coverage May Lower Spray Drift Additional System Components AMC ESS

SPRAY ADDITIVES Drift Retardants Increase Viscosity Increase Droplet Size

ROTARY WING APPLICATION Downwash Spray Turbulence Plant Damage

OTHER APPLICATIONS Accessing Livestock

SEEDING Hydroseeding

EQUIPMENT FIRES 20 Million Dollars / Year

PRECISION? Ideal Conditions Aircraft Velocity ≈ 100 mph Adjustment Time ≈ 0.1 sec Distance ≈ 15 ft Efficiency ≈ 10 % Resolution = 150 x 40 = 6000 ft2 (0.02 % of Mile Section)

PRECISION? Resolution 5 ft x 15 ft  75 ft2

PRACTICALLITY Capacity/Turnaround Time Equipment Cost Fuel Cost Inherent Flight Dangers

INNOVATION Yamaha RMAX Remote Control 68 lb Payload 60 min Flight Duration Granular/Liquid GPS Navigation $120 000

POTENTIAL Future Research Drift Control Reaction Time Turnaround Time