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There was pusher bar (later there were four) but there is a fetcher bar (locker bar) which act in conjunctions with the pushers. [6] It was slow and in the early machine, 14 actions were required to form each course; in 1825 this had been reduced to ten.
Mark III free gun reflector sight mk 9 variant. Another type of optical sight is the reflector (or "reflex") sight, a generally non-magnifying optical device that allows the user to look through a glass element and see a reflection of an illuminated aiming point or some other image superimposed on the field of view. [7]
A tool pusher (sometimes toolpusher, pusher, or The Push) is an occupation within the oil drilling industry.. On a land drilling rig the tool pusher may be rig manager and responsible for all operations, but on drillships and offshore oil rigs, tool pushers are department heads in charge of the drilling department and reporting to the Master or Offshore Installation Manager depending on the ...
A pusher aircraft is a type of aircraft using propellers placed behind the engines and may be classified according to engine/propeller location and drive as well as the lifting surfaces layout (conventional or 3 surface, canard, joined wing, tailless and rotorcraft), Some aircraft have a Push-pull configuration with both tractor and pusher ...
The Wright Flyer, a “pusher” aircraft designed in 1903. In aeronautical and naval engineering, pusher configuration is the term used to describe a drivetrain of air-or watercraft with propulsion device(s) after the engine(s). This is in contrast to the more conventional tractor configuration, which places them in front.
Almost all Model Ds were constructed with a pusher configuration, with the propeller behind the pilot. Because of this configuration, they were often referred to as the "Curtiss Pusher". Early examples were built in a canard configuration, with elevators mounted on struts at the front of the aircraft in addition to a horizontal stabilizer at ...