Agriculture UAV Crop Dusters

AG-V6A+ Litmus Test
7 Precision Agriculture Unmanned Aerial Vehicle UAV Crop Duster Sprayer Platforms


Unmanned Aerial Vehicle Avenger UAV
Agriculture Unmanned Aerial Vehicles (UAV) Sprayers

by Homeland Surveillance & Electronics LLC

Agriculture Sprayers

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UAV FAA Regulations For more than five decades, the Federal Aviation Administration (FAA) has compiled a proven track record of introducing new technology and aircraft safely into the National Airspace System (NAS).

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Location Washington State
 Apple Trees

Approximately 12 Ft Tall

How a UAV Sprayer Works

While it utilizes the strong downward rotating airflow to flip and shake the crops when spraying, it comes into being a turbulent area above the crops underneath. The crop spraying is very uniform and is also applied on the back of stem and leaf, the quality of crop spraying of which the manpower and other spraying equipments can not achieve. As the cyclone under the UAV Sprayer is concentrated and powerful, it is applied to the plants uniformly and effectively.

The test was done on both Standard and V row patterns.  Flying down the middle of both rows, the AG-V6A+ v2 had excellent penetration coverage on both rows.

The Power of the AG-V6A+ v2

To demonstrate the power of the 6 rotors and the turbulence they create, we sprayed from  15 Ft above the trees (27 above ground level) vs. the recommend spraying height of 3-9 Feet.  That is 1.6 - 5 X's higher than the recommended height.  And, it still Passes the Litmus Test on the top and bottom of the leaves. (See Litmus Test Results Below)




Operating Speed - 3.5 MPH   Operating Speed - 16-22 mph.

Coverage rate 33 acres/hr

Fully Autonomous

Cutting edge and completely automated system

Crop Loss-
According to the farm manager, their annual loss is in excess of $1,000,000 caused by the sprayers knocking the fruit off the plants.
Crop Loss-
= an increase in yields

No soil compaction

Quality spray deposition

Less Chemicals needed

Less drift vs. manned aerial application

Reduced applicator exposure to chemicals

Safe and reliable operation

Efficient and cost effect return on investment (ROI)



Coverage Rate

Medium Speed:

Coverage rate: Med speed = 5 m/s , Area Covered by Sprayer = 5 m => Coverage = 5 m/s * 5 m = 25 sq. m / s = 0.0061776 acres/second

Coverage rate for 60 minutes = Coverage rate * 3600 s = 22.23 acres/hr

Max Speed:

Coverage rate: Max speed = 10 m/s , Area Covered by Sprayer = 5 m => Coverage = 10 m/s * 5 m = 50 sq. m / s = 0.012355 acres/second

Coverage rate for 60 minutes = Coverage rate * 3600 s = 44.47 acres/hr

Average of both: 33.5 acres/hr (Usually when operating UAV at 7m/s speed)

Sprayer nozzle can be custom fit. Keep flow rate around 0.3-0.5 liter/min for best performance.

Spray effect: Downward airflow due to rotation of motors push the pesticides even deeper in dense plantations.



  • Spray droplet diameter: 60 – 180 μm

  • Optimal flying speed: 1 – 10 m/s

  • Spraying swath: 3 – 5 m (even atomization)

  • Pesticide/Liquid load: 10 – 20 kg

  • Optimal spraying height: 1 – 5 m

  • Control: Automatic scheduled or remotely controlled

  • Discharge: 6-spray nozzle

  • Outflow rate: 0.5 –2.4 L/min (adjustable)


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