Pattison debuts 120-foot prototype for autonomous spraying

Field testing is slated to begin this week on a prototype 120-foot sprayer designed to be loaded onto the DOT field robot for autonomous spraying.

Pattison Liquid Systems — based at Lemberg, Saskatchewan — showcased its Connect PLU (Pattison Liquid Unmanned) S120 sprayer at Canada’s Farm Progress Show in Regina last week.

It’s the first attachment for the DOT platform to be built by an industry partner other than Saskatchewan-based DOT Technology Corp and its sister company, SeedMaster.

As Pattison’s Ian Pekrul explains in the video below, the sprayer unit features a 120-foot aluminum boom and a 1,600 U.S. gallon stainless steel tank mounted on a purple frame, with Raven’s Hawkeye turn-compensation, pulse width modulation and nozzle control, as well as recirculating booms for equalized pressure and rinse-out. (continues below)

Pekrul says the timeline for bringing it to market has yet to be determined.

From a regulatory perspective, he says the only issue is road transport — the DOT must still be trailered between fields.

Pattison is also working on a 40-foot coulter unit to be mounted on the DOT for mid-row banding and fall application of liquid fertilizer. It’s expected to be on display at the Ag in Motion farm show near Saskatoon in July.

Click here for more from Canada’s Farm Progress Show.

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