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Aviation In Washington, D.C.
The United States capital, Washington, D.C., has been the site of several events in the nation's history of aviation, beginning from the time of the American Civil War, often for the purpose of promoting the adoption of new aeronautical technologies by the government. It has also been home to several governmental and civilian aircraft manufacturers and aviation organizations, and several aerospace contractors. Events The first aeronautical event was the tethered demonstration flight of a hot air balloon, the ''Enterprise'', by Thaddeus S. C. Lowe to Abraham Lincoln. The flight included the demonstration of a balloon-to-ground telegraph, resulting in Lowe being appointed to the newly created position of Chief Aeronaut. Timeline of events * 1861: Professor Lowe demonstrates hot air balloons for Abraham Lincoln * 1910: Claude Grahame-White lands a Farman biplane on the street between the White House and State, War and Navy Department buildings on October 11 * 1911: On July 13, H ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Aviation In The United States
The United States has an extensive air transportation network. In 2013, there were 86 airports in the U.S. that annually handled over 1,000,000 passengers eachCY 2013 Primary Airports -- Preliminary Data and eight of the world's thirty busiest airports by passenger volume in 2020 were in the U.S. (down from 12 in 2014), including the world's second busiest, Hartsfield-Jackson Atlanta International Airport. In ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Washington Monument
The Washington Monument is an obelisk shaped building within the National Mall in Washington, D.C., built to commemorate George Washington, once commander-in-chief of the Continental Army (1775–1784) in the American Revolutionary War and the first President of the United States (1789–1797). Located almost due east of the Reflecting Pool and the Lincoln Memorial, the monument, made of marble, granite, and bluestone gneiss, is both the world's tallest predominantly stone structure and the world's tallest obelisk, standing tall according to the U.S. National Geodetic Survey (measured 2013–14) or tall, according to the National Park Service (measured 1884). It is the tallest monumental column in the world if all are measured above their pedestrian entrances. It was the tallest structure in the world between 1884 and 1889, after which it was overtaken by the Eiffel Tower in Paris. Previously, the tallest structure was the Cologne Cathedral. Construction of the presidenti ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Francisco Sarabia
Francisco is the Spanish and Portuguese form of the masculine given name ''Franciscus''. Nicknames In Spanish, people with the name Francisco are sometimes nicknamed "Paco". San Francisco de Asís was known as ''Pater Comunitatis'' (father of the community) when he founded the Franciscan order, and "Paco" is a short form of ''Pater Comunitatis''. In areas of Spain where Basque is spoken, "Patxi" is the most common nickname; in the Catalan areas, "Cesc" (short for Francesc) is often used. In Spanish Latin America and in the Philippines, people with the name Francisco are frequently called "Pancho". " Kiko" is also used as a nickname, and "Chicho" is another possibility. In Portuguese, people named Francisco are commonly nicknamed " Chico" (''shíco''). This is also a less-common nickname for Francisco in Spanish. People with the given name * Pope Francis is rendered in the Spanish and Portuguese languages as Papa Francisco * Francisco Acebal (1866–1933), Spanish writer and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bureau Of Air Commerce
The Air Commerce Act of 1926 created an Aeronautic Branch of the United States Department of Commerce. Its functions included testing and licensing of pilots, certification of aircraft and investigation of accidents. In 1934, the Aeronautics Branch was renamed the Bureau of Air Commerce, to reflect the growing importance of commercial flying. It was subsequently divided into two authorities: the Civil Aeronautics Administration (CAA), concerned with air traffic control, and the Civil Aeronautics Board (CAB), concerned with safety regulations and accident investigation. Under the Federal Aviation Act of 1958, the CAA's powers were transferred to a new independent body, the Federal Aviation Administration (FAA). In the same year, the National Aeronautics and Space Administration (NASA) was created after the Soviet Union’s launch of the first artificial satellite. The accident investigation powers of the CAB were transferred to the new National Transportation Safety Board in 1967, a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Roadable Aircraft
A flying car or roadable aircraft is a type of vehicle which can function both as a road vehicle and as an aircraft. As used here, this includes vehicles which drive as motorcycles when on the road. The term "flying car" is also sometimes used to include hovercars and/or VTOL personal air vehicles. Many prototypes have been built since the early 20th century, using a variety of flight technologies. Most have been designed to take off and land conventionally using a runway. Although VTOL projects are increasing, none has yet been built in more than a handful of numbers. Their appearance is often predicted by futurologists, and many concept designs have been promoted. Their failure to become a practical reality has led to the catchphrase "Where's my flying car?", as a paradigm for the failure of predicted technologies to appear. Flying cars are also a popular theme in fantasy and science fiction stories. History Early 20th century In the late 1800s, American immigrant Gustav ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Autogiro Company Of America AC-35
The Autogiro Company of America AC-35 was an early attempt to make a roadable aircraft in the United States during the 1930s. Although it was successfully tested, it did not enter production; a 1960s attempt to revive the aircraft in a non-roadable version also failed to achieve success. Design and development The aircraft design process started in 1935. The Experimental Development Section of the Bureau of Air Commerce contracted the building of a roadable aircraft based around an PA-22 autogyro from ACA's parent company, Pitcairn Autogiro Company. The vehicle could fly at high speed in the air, and drive at up to on the ground with its rotors stowed. Six other companies were contracted to produce a roadable aircraft, but the AC-35 was the only one that met all the requirements. The AC-35 had side-by-side seating with a small baggage compartment. The fuselage was a combination of steel tube in front, and wood construction in the tail with fabric covering overall. The engine w ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Autogyro
An autogyro (from Greek and , "self-turning"), also known as a ''gyroplane'', is a type of rotorcraft that uses an unpowered rotor in free autorotation to develop lift. Forward thrust is provided independently, by an engine-driven propeller. While similar to a helicopter rotor in appearance, the autogyro's rotor must have air flowing across the rotor disc to generate rotation, and the air flows upwards through the rotor disc rather than down. The autogyro was invented by Spanish engineer Juan de la Cierva in an attempt to create an aircraft that could fly safely at low speeds. He first flew one on 9 January 1923, at Cuatro Vientos Airfield in Madrid. The aircraft resembled the fixed-wing aircraft of the day, with a front-mounted engine and propeller. Cierva's autogyro is considered the predecessor of the modern helicopter. The success of the autogyro garnered the interest of industrialists and under license from Cierva in the 1920s and 1930s, the Pitcairn & Kellett compan ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pitcairn PCA-2
The Pitcairn PCA-2 was an autogyro (designated as "autogiro" by Pitcairn) developed in the United States in the early 1930s.Taylor 1989, p.735 It was Harold F. Pitcairn's first autogyro design to sell in quantity. It had a conventional design for its day – an airplane-like fuselage with two open cockpits in tandem, and an engine mounted tractor-fashion in the nose.''The Illustrated Encyclopedia of Aircraft'', p.2739 The lift by the four-blade main rotor was augmented by stubby, low-set monoplane wings that also carried the control surfaces. The wingtips featured considerable dihedral that acted as winglets for added stability. Operational history The PCA-2 was the first rotary-wing aircraft to achieve type certification in the United States"Pitcairn, A G A, Pitcairn-Cierva, Pitcairn-Larsen" and was used in a number of high-profile activities including a landing on the White House lawn"Pitcairn PCA-2 Autogiro 'Miss Champion' – NC11609"Charnov 2003b, p.3 and the first flight a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Helium
Helium (from el, ἥλιος, helios, lit=sun) is a chemical element with the symbol He and atomic number 2. It is a colorless, odorless, tasteless, non-toxic, inert, monatomic gas and the first in the noble gas group in the periodic table. Its boiling and melting point are the lowest among all the elements. It is the second lightest and second most abundant element in the observable universe (hydrogen is the lightest and most abundant). It is present at about 24% of the total elemental mass, which is more than 12 times the mass of all the heavier elements combined. Its abundance is similar to this in both the Sun and in Jupiter, due to the very high nuclear binding energy (per nucleon) of helium-4, with respect to the next three elements after helium. This helium-4 binding energy also accounts for why it is a product of both nuclear fusion and radioactive decay. The most common isotope of helium in the universe is helium-4, the vast majority of which was formed during t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
C Class Blimp
The C-class blimp was a patrol airship developed by the US Navy shortly after World War I, a systematic improvement upon the B-type which was very suitable for training, but of limited value for patrol work. Larger than the B-class, these blimps had two motors and a longer endurance. Once again, the envelope production was split between Goodyear and Goodrich, with control cars being built by the Burgess division of Curtiss Aeroplane and Motor Company. Originally the Navy ordered 30 but reduced the number to 10 after the armistice in November 1918.Althoff, William F, ''SkyShips'', New York: Orion Books, 1990, , p. 6. All ten of the "C" type airships were delivered in late 1918, and examples served at all of the Navy's airship stations from 1918 to 1922. In 1921, the C-7 was the first airship ever to be inflated with helium.Clark, Basil, ''The History of Airships'', New York: St Martin's Press, 1961, Library of Congress 64-12336, p. 147. The Navy decommissioned its last two remaini ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Annapolis, Maryland
Annapolis ( ) is the capital city of the U.S. state of Maryland and the county seat of, and only incorporated city in, Anne Arundel County. Situated on the Chesapeake Bay at the mouth of the Severn River, south of Baltimore and about east of Washington, D.C., Annapolis forms part of the Baltimore–Washington metropolitan area. The 2020 census recorded its population as 40,812, an increase of 6.3% since 2010. This city served as the seat of the Confederation Congress, formerly the Second Continental Congress, and temporary national capital of the United States in 1783–1784. At that time, General George Washington came before the body convened in the new Maryland State House and resigned his commission as commander of the Continental Army. A month later, the Congress ratified the Treaty of Paris of 1783, ending the American Revolutionary War, with Great Britain recognizing the independence of the United States. The city and state capitol was also the site of the 1786 An ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chesapeake Bay
The Chesapeake Bay ( ) is the largest estuary in the United States. The Bay is located in the Mid-Atlantic (United States), Mid-Atlantic region and is primarily separated from the Atlantic Ocean by the Delmarva Peninsula (including the parts: the Eastern Shore of Maryland / Eastern Shore of Virginia and the state of Delaware) with its mouth of the Bay at the south end located between Cape Henry and Cape Charles (headland), Cape Charles. With its northern portion in Maryland and the southern part in Virginia, the Chesapeake Bay is a very important feature for the ecology and economy of those two states, as well as others surrounding within its watershed. More than 150 major rivers and streams flow into the Bay's drainage basin, which covers parts of six states (New York, Pennsylvania, Delaware, Maryland, Virginia and West Virginia) and all of District of Columbia. The Bay is approximately long from its northern headwaters in the Susquehanna River to its outlet in the Atlantic Ocea ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
