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Balloon kites Applies to both lighter- and heavier-than-air kite types. The lighter-than-air balloon kite is the kytoon, which is aloft whether or not the wind blows. When the kytoon is not kiting, it floats aloft as a pure balloon; when it is kiting, it is a true kite. Kytoons are used to loft radio antennas, rescue signals, and kite-line ...
If one impost is much higher than another, the arch (frequently pointed) is known as ramping arch, raking arch, [90] or rampant arch (from French: arc rampant). [91] Originally used to support inclined structures, like stairs, in the 13th-14th centuries they appeared as parts of flying buttresses used to counteract the thrust of Gothic ribbed ...
The rise (height) of a round arch is limited to 1 ⁄ 2 of its span, [7] so it looks more "grounded" than a parabolic arch [3] or a pointed arch. [7] Whenever a higher semicircular arch was required (for example, for a narrow arch to match the height of a nearby broad one), either stilting or horseshoe shape were used, thus creating a stilted arch and horseshoe arch respectively. [8]
While he hung suspended from the balloons by a parachute harness in order to take aerial film footage, Mingalone's mooring rope broke and he was lifted approximately 700 feet (210 m) into the air. A clergyman, Father James J. Mullen, spotted the incident, and after a chase of some 13 miles (21 km), used a .22-caliber rifle to shoot out two of ...
Post-and-lintel construction is one of four ancient structural methods of building, the others being the corbel, arch-and-vault, and truss. [ 1 ] A noteworthy example of a trabeated system is in Volubilis , from the Roman era, where one side of the Decumanus Maximus is lined with trabeated elements, while the opposite side of the roadway is ...