Air-Assist Booms

Hardi Commander (118 foot boom) with TWIN air-assist

Air-assisted boom sprayers have been around since the 80s (likely longer). Common in Europe, they have demonstrated value in mitigating drift and improving canopy penetration. In North America, they are used by a few vegetable and berry growers, but are exceedingly rare among field croppers. There are a few possible reasons for this. Air-assist is […]

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Recirculating Boom Options

If you read this site, you know we’re fans of recirculating booms. We love them for three reasons: They save money and waste by recovering spray back to the tank during priming and rinsing They make boom cleaning easier by eliminating boom-ends They require individual nozzle shutoff, which makes for better sectional control If you’re […]

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How Low Can You Go?

There’s a lot of talk about lowering the boom to reduce drift and make twin fan nozzles more effective. But how low can we actually go with a boom before striping becomes a problem? We’ve done some calculating and have come up with answers. First, a few guidelines. Tapered flat fan nozzles require overlap to […]

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Boom Heights at Fan Angles Worksheet

Use this spreadsheet to calculate the minimum boom heights needed for various applications. Some caution: The values are theoretical and assume the fan angles are accurate. Some nozzles don’t produce the advertised fan angle. Enter your actual angle in the spreadsheet The theory assumes that the droplets at the edge of the fan always move […]

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Recirculating Booms – Introduction to the Concept

A lot of people are intimidated by sprayer plumbing. One look at the spaghetti bowl of spray mix and hydraulic hoses and valves, and they walk away. It hasn’t helped that much of it is concealed under the frame and all of it is in the same black colour, so figuring it out on your […]

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