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Basic diagram of an onager, a type of catapult. A catapult is a ballistic device used to launch a projectile a great distance without the aid of gunpowder or other propellants – particularly various types of ancient and medieval siege engines. [1] A catapult uses the sudden release of stored potential energy to propel its payload.
In 2004, German authorities forced a seventeen-year-old to shut down his Web site, entitled Der Abarisch Sturm after he posted detailed instructions of how to build a bomb. [12] That year, French police also arrested a computer student in Alfortville who claimed he had posted similar instructions "for fun." [12]
The catapult used on aircraft carriers consists of a track or slot built into the flight deck, below which is a large piston or shuttle that is attached through the track to the nose gear of the aircraft, or in some cases a wire rope, called a catapult bridle, is attached to the aircraft and the catapult shuttle.
The EMALS uses a linear induction motor (LIM), which uses alternating current (AC) to generate magnetic fields that propel a carriage along a track to launch the aircraft. [5] [6] The EMALS consists of four main elements: [7] The linear induction motor consists of a row of stator coils with the same function as the circular stator coils in a conventional induction motor.
The tires lack “sufficient traction to perform in all snow weather conditions,” the National Highway Traffic Safety Administration said.
Nothing tastes better than a hot, juicy steak off the grill or from a cast-iron pan – but what happens when you make too much? Of course, it makes sense to keep the leftover steak, but reheating ...
Damaged F1M2s at Rekata Bay, 1944.. The F1M was originally built as a catapult-launched reconnaissance float plane, specializing in gunnery spotting. The "Pete" took on a number of local roles including convoy escort, bomber, anti-submarine, maritime patrol, rescue, transport, and anti-shipping strike; for example sinking Motor Torpedo Boat PT-34 on 9 April 1942.
Stanley is recalling 2.6 million mugs sold in the U.S. after the company received dozens of consumer complaints, including some users who reported getting burned and requiring medical attention ...