APPENDIX
A
: Overview 99
APPENDIX A
AVOIDING SKIPS WITH AIM
COMMAND FLEX™ II NOZZLE
CONTROL SYSTEM
OVERVIEW
When added to the RCM - Sprayer control system, the AIM Command FLEX™ II nozzle control system is designed
to pulse each spray tip using an alternating pattern across the implement width. This alternating nozzle spray
pattern relies upon an overlapping spray tip pattern and droplet dispersion to achieve complete and even
coverage during field applications.
RECOMMENDATIONS FOR AIM COMMAND FLEX™ II NOZZLE CONTROL OPERATION
Maintain the following application system conditions will help to ensure consistent, even coverage during field
applications using the AIM Command FLEX™ II nozzle control system:
1. Use the appropriate tip size for the desired droplet size, application speeds, target rates, and system pressures.
Refer to the tables in the Tip Selection and Application Speed Guide section on page 102.
2. Use wide-angle spray tips and appropriate spray tip height to achieve approximately 150% pattern overlap.
a. When using 80° spray tips:
• 20” spacing have a minimum spray tip height of 36” [91.4 cm]
• 15” spacing have a minimum spray tip height of 27” [68.6 cm]
• 10” spacing have a minimum spray tip height of 18” [45.7 cm]
b. When using 110° spray tips:
• 20” spacing have a minimum spray tip height of 21” [53.3 cm]
• 15” spacing have a minimum spray tip height of 16” [40.6 cm]
• 10” spacing have a minimum spray tip height of 10” [25.4 cm]
3. Maintain a system pressure sufficient to fully develop the intended tip spray pattern.
4. To ensure uniform spray coverage when using only pulsing NCVs, avoid operating NCVs below 40% duty cycle
when driving straight. During a turn, avoid operating NCVs below 25% duty cycle.
a. Stay within the displayed speed range for a selected tip size, application rate, and pressure.
b. Avoid application speeds in the bottom 1/3 of the recommended speed range.
c. Avoid target flow rates in the bottom 1/3 of the recommended application rate range for each spray tip.
d. When turn compensation is active, make gradual turns to avoid operating the NCVs at their limits.
5. Target application rates, speeds, tip sizes, and operating pressures so the NCVs operate at approximately 70%
± 10% duty cycle on average.
FOR EXAMPLE:
Consistent and even field coverage should result under the following application conditions:
• applicator with 20 inch [50.8 cm] NCV spacing
• 110° fan spray tips at 50 PSI [344.7 kPa]
• application speed of 15 mph [24.1 kph]
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