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The types of mechanical energy used to power mechanical toys include rubber bands, springs, and flywheels.. Mechanical toys use 4 types of different movements, rotary (going around in a circle), linear (moving in a straight line then stopping), reciprocating (moving backwards and forwards continuously in a straight line) and oscillating (moving backwards and forwards in a curve).
3-wheeled handcar or velocipede on a railroad track Preserved railroad velocipede on exhibit at the Toronto Railway Historical Association. A handcar (also known as a pump trolley, pump car, rail push trolley, push-trolley, jigger, Kalamazoo, [1] velocipede, or draisine) is a railroad car powered by its passengers or by people pushing the car from behind.
As the flywheel, unlike the spring of a pullback motor, is continuously rotating, the motor may be "pumped up" by pushing the car repeatedly forward. In some cases, the cars work both in forward and reverse; in other cases, a one-way clutch can disengage a component in the gear assembly to prevent input of rotational effort in the reverse sense.
The PlasmaCar design includes six wheels, but only four touch the ground. The first two wheels located at the front of the vehicle do not touch the ground (a common misconception) or spin: they are merely there for stability and safety in case the rider leans forward or drives into an elevated surface (such as a street curb).
The series focuses on "mecha" versions of three legacy characters: Mecha Abby Cadabby, Mecha Elmo, and Mecha Cookie Monster, all reimagined as mechanical beings with the power to enlarge to giant size in addition to unique built-in tools and gadgets. The trio usually solve a problem using a three-step formula: plan, test, and solve.
In the 1950s and 1960s until recently, Cox has produced a line of hobby-oriented models of cars, airplanes, and other vehicles. The most noted are the .049 cubic-inch displacement glow fuel powered models, controlled by line (Control Line) or by radio (Radio Control). AMC Matador.049 engine police car from the TV series Adam-12; T-28 Trojan ...
According to F. Lisheng and T. Qingjun, the hand-crank of the rotary quern was different from a crank, which was the combination of a hand-crank and a push-and-pull connecting rod by a hinge. [ 7 ] The Antikythera mechanism, dated to around 200 BC, [ 25 ] [ 26 ] used a crank as a part of its mechanism. [ 27 ]
The Curta is a hand-held mechanical calculator designed by Curt Herzstark. [1] It is known for its extremely compact design: a small cylinder that fits in the palm of the hand. It was affectionately known as the "pepper grinder" or "peppermill" due to its shape and means of operation; its superficial resemblance to a certain type of hand ...