. Chemical weed-control equipment. Weeds; Spraying; Spraying equipment. Left: Plane with shorter boom—6 to 8 feet. Planes used for weed spraying are gen- erally biplanes, such as the old Travelaire, war surplus N3N's, and later models made by Stearman, Boeing, and others. These planes are frequently equipped with larger engines than normal—some- times 350 to 400 hp—to make them easier to maneuver and safer to work Plane with winglength boom. Pump is externally mounted (between landing wheels). Boom is tapped from rear. Nozzles are individually controlled by small poppet valves operated
. Chemical weed-control equipment. Weeds; Spraying; Spraying equipment. Left: Plane with shorter boom—6 to 8 feet. Planes used for weed spraying are gen- erally biplanes, such as the old Travelaire, war surplus N3N's, and later models made by Stearman, Boeing, and others. These planes are frequently equipped with larger engines than normal—some- times 350 to 400 hp—to make them easier to maneuver and safer to work Plane with winglength boom. Pump is externally mounted (between landing wheels). Boom is tapped from rear. Nozzles are individually controlled by small poppet valves operated through cable controls from cockpit. [36]. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Akesson, Norman B. (Norman Berndt), 1914-; Harvey, W. A. (William Alfred), 1914-1989. Berkeley, Calif. : University of California, College of Agriculture, Agricultural Experiment Station
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Keywords: ., bookcentury1900, bookpubli, booksubjectspraying, booksubjectweeds
