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Rain Bird had its origins in 1933 when Glendora, California, citrus grower Orton Englehart developed the first prototype of the horizontal action impact sprinkler.This new design offered slow rotation and more efficient watering than other sprinklers of that era, features that were long sought after by local irrigators.
Rain Clox was the trade name given to a series of electromechanical irrigation controllers produced by the Rain Bird Corporation from 1962 to the late 2000s (decade), and were largely responsible for giving rise to the widespread use of automatic irrigation. The first model was the ME11AB, capable of running 11 stations on two schedules.
A sprinkler system timer is an electrical device that is used to set an irrigation sprinkler system to come on automatically at a certain time. Irrigation timers first appeared in the early 1960s to control large-radius lawn sprinklers, which at the time usually contained their own electrically operated valve (most golf-course sprinklers still use this type of actuation).
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A constant rotor rotational speed is achieved by adjusting the collective pitch so blade acceleration forces from the driving region are balanced with the deceleration forces from the driven and stall regions. By controlling the size of the driving region, the pilot can adjust autorotative rotational speed.
The Defense Department and the Federal Aviation Administration have been tracking a balloon that was flying off the coast of Hawaii last week, but a defense official said Tuesday there's no ...
What full-coverage car insurance includes. A full-coverage auto insurance policy combines three key protections — liability, comprehensive and collision coverage — into one complete package.
If a helicopter suffers a power failure a pilot can adjust the collective pitch to keep the rotor spinning, generating enough lift to touch down and skid in a relatively soft landing. [ 3 ] The collective pitch control in a Boeing CH-47 Chinook is called a thrust control , but serves the same purpose, except that it controls two rotor systems ...
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