Word: bladed
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Dates: during 1950-1959
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...thinking about rotor-machines in all the 30 years since building his first. While workmen at the Sikorsky plant goggled and shook their heads, Sikorsky began flailing the air with a stationary test device made from the transmission of an old Ford, a motorcycle engine, and a single rotor blade...
...make his helicopter go up or down he incorporated the idea of the variable-pitch propeller; by increasing the rotor blades' bite on the air (and simultaneously opening the throttle), he increased their lifting power. But to steer the machine forward, backward or sideways he made the blades subject, also, to something much more complicated, called cyclical pitch. This forced the bite of each individual blade to lessen as it swung toward the direction in which the control stick was moved?and then to gradually increase back to maximum pitch as it traveled through the next 180 degrees...
State of Readiness. In San Francisco, asked by police why he was carrying a hammer, pliers, and a spring-blade knife under his coat. Harry Hoster readily explained that he needed the tools because the heel on his shoe kept working loose...
...most ironically successful prisoners in the colony was a onetime mutinous soldier who managed to buy himself the job of prison executioner, only to grow absentminded, kill another convict in a tiff and end up on his own guillotine -after being good enough to set the blade himself...
Rolled Razor. Warner-Hudnut, Inc. of Manhattan began market-testing a new safety razor containing 32 blades in the form of a 40-in. ribbon of thin steel wound about a reel. As a blade becomes dull it is wound onto another roller and a new one slides into place. Price...