Hardi’s new H-se­lect flow tech

Hardi Aus­tralia launches its H-Se­lect flow con­trol tech­nol­ogy which it claims can save farm­ers be­tween five to seven per cent in chem­i­cal us­age

Farms & Farm Machinery - - Contents -

Sprayer gi­ant Hardi Aus­tralia has launched its new com­pen­sa­tion tech­nol­ogy H-Se­lect for wide spray booms. The com­pany says H-Se­lect can save farm­ers be­tween five to seven per cent in chem­i­cal us­age.

H-Se­lect uses four head noz­zle bod­ies ar­rayed in in­di­vid­ual or se­lected boom sec­tions. An au­ton­o­mous con­troller man­ages each sec­tion’s speed against the set spray rate, and then switches the noz­zle heads on and off rapidly in or­der to achieve con­sis­tent spray de­liv­ery across the turn­ing boom.

Hardi says that switch­ing be­tween noz­zle heads means the flow rate can be con­tin­u­ally ad­justed with­out ever com­pro­mis­ing the size or speed of the droplets pro­duced. By us­ing H-Se­lect’s in-cab mon­i­tor, op­er­a­tors can set and change the noz­zle droplet size on the go. This means the farmer can ad­just their tar­get droplet size to suit the day’s crop, cov­er­age rate and spray­ing con­di­tions.

The com­pany says that un­like sim­i­lar switch­ing tech­nolo­gies that are seen with two- or three-noz­zle heads, the four-noz­zle so­lu­tion is cru­cial for cov­er­ing the full range of de­liv­ery rates while turn­ing wide booms around ob­sta­cles or in head­land.

“If you’re mak­ing a 50-me­tre ra­dius turn at 20 km/h, the in­ner end of a 48.5-me­tre boom will slow down to just 10.3km/h while the outer tip will ac­cel­er­ate to 29.7km/h,” Hardi prod­uct man­ager for self-pro­pelled sprayers Steven Lan­caster says. “In other words, the tip-to-tip speed range of 19.4km/h is al­most equal to the for­ward speed of the sprayer, and the flow rate will need to dou­ble across the boom.”

The H-Se­lect tech­nol­ogy is de­signed to in­te­grate with the ex­ist­ing sys­tems on Hardi Ru­bi­con sprayers. The con­troller also op­er­ates on the same elec­tron­ics plat­form as the Ru­bi­con’s ex­ist­ing ISOBUS, which con­ve­niently avoids com­pat­i­bil­ity is­sues.

Hardi dealer Belle Vue Trad­ing (War­rackn­abeal) has been test­ing the new H-Se­lect tech­nol­ogy on two Ru­bi­con 9000s since with the sup­port of Hardi tech­ni­cal staff and trained dealer staff.

Lan­caster says Hardi is proud of the sup­port it pro­vides for its tech­nol­ogy.

“We not only bring the world’s lead­ing sprayer tech­nolo­gies to Aus­tralia,” Lan­caster says, “but we adapt, test and sup­port it here too.

“For the farmer with pad­docks to pre­pare and a sea­son’s valu­able crop to pro­tect, that’s a big ad­van­tage over sim­ply of­fload­ing tech­nol­ogy from a ship and hop­ing you don’t need to call a sup­port team on the other side of the world.”

The four-noz­zle so­lu­tion is cru­cial for cov­er­ing the full range of de­liv­ery rates while turn­ing wide booms around ob­sta­cles or in head­land

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