How to Size a Nozzle for Pulse Width Modulation (PWM)

PWM is gaining popularity, and there is an ever-increasing number of first-time users that need to make nozzle selections for their system. We’ve written about it here, here, and here. Recall the PWM replaces spray pressure with Duty Cycle (DC) of a pulsing solenoid as the primary means of controlling nozzle flow. The Duty Cycle […]

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Airblast travel speed

Here, in no particular order, are the most common airblast-related questions: What nozzles should I use? How do I adjust my air settings? How much volume should I use? How fast should I drive? The first three questions have long answers that are covered throughout the website and in Airblast101. Travel speed, however, is easy: […]

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Exploding Sprayer Myths (ep.4): Speed Spraying

BB8

With due respect to Mickey and Mr. Lucas, and the massive hype surrounding Star Wars Episode VII, we felt we should jump on the bandwagon. Here’s episode IV in our series of short, educational and irreverent videos made with Real Agriculture. If there’s a single take-home message in this episode it’s this: …may the force […]

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Gear up – Throttle down

History In 1977, David Shelton and Kenneth Von Bargen (University of Nebraska) published an article called “10-1977 CC279 Gear Up – Throttle Down”. It described the merits of reducing tractor rpm’s for trailed implements that didn’t need 540 rpm to operate. In 2001 (republished in 2009), Robert Grisso (Extension Engineer with Virginia Cooperative Extension) described […]

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Making the Pressure Gauge your Speedometer – Tips with Tom #4

Tips with Tom - Title

Good spray quality is essential in application, but all of the factors involved can make getting there quite a challenge. In reviewing magazines, you may see that publishers will bold a certain pressure (like 40 psi). They do this not because that is the pressure the nozzle must experience, but because that is the pressure […]

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