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Robert H. Cushman
Robert (Bob) Herman Cushman (16 January 1924 in Evanston, Illinois – 27 January 1996 in Essex, Connecticut) was an American trade magazine journalist who had written extensively across several engineering disciplines, two in particular during the vanguard of rapid technological advances and ensuing market boom of their respective technologies. In the late 1950s, at the beginning of the Space Race, Cushman had been an editor at ''Aviation Week & Space Technology''. From 1962 to the late-1980s, he was an editor for '' Electronic Design News''. He started out at EDN as the East Coast editor and soon rose to Special Features Editor covering microprocessing. Cushman was widely known within the microprocessing industry for his influential writings in '' Electronic Design News'' about microprocessors during its infancy in the early 1970s, through its period of rapid growth and development in the 1980s. His articles, collectively, chronicle the birth and early milestones of micro ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Philip Rhodes
Philip Leonard Rhodes (1895–1974) was an Americans, American naval architect known for his diverse yacht designs. Life Rhodes designed a wide variety of vessels from 7' dinghies to 123' motor-sailors, from hydrofoil racers to America's Cup winners - his 12 meter class, 12 Meter class ''Weatherly (yacht), Weatherly'' (USA-17) winning the 1962 America's Cup, 1962 defense. His work also included large motor yachts, commercial and military vessels such as minesweepers and police boats. His clients ranged from Rockefellers to Sears & Roebuck.Retrieved on 08-10-09 Rhodes was born in 1895 in Centerville, Gallia County, Ohio, Thurman, Ohio. He attended MIT, graduating in 1918 in naval architecture and marine engineering.Retrieved on 08-10-09 He worked for the US Army Corps of Engineers during World War I. After the war he began work as a shipfitter in Lorain, Ohio. He later moved to New York where he opened a small office as a marine architect. Rhodes joined the design firm of Cox & S ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hypersonic Wind Tunnel
A hypersonic wind tunnel is designed to generate a hypersonic flow field in the working section, thus simulating the typical flow features of this flow regime - including compression shocks and pronounced boundary layer effects, entropy layer and viscous interaction zones and most importantly high total temperatures of the flow. The speed of these tunnels vary from Mach 5 to 15. The power requirement of a wind tunnel increases linearly with its cross section and flow density, but cubically with the test velocity required. Hence installation of a continuous, closed circuit wind tunnel remains a costly affair. The first continuous Mach 7-10 wind tunnel with 1x1 m test section was planned at Kochel am See, Germany during WW II and finally put into operation as 'Tunnel A' in the late 1950s at AEDC Tullahoma, TN, USA for an installed power of 57 MW. In view of these high facility demands, also intermittently operated experimental facilities like blow-down wind tunnels are designed an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mixed/dual Cycle
The dual combustion cycle (also known as the mixed cycle, Trinkler cycle, Seiliger cycle or Sabathe cycle) is a thermal cycle that is a combination of the Otto cycle and the Diesel cycle, first introduced by Russian-German engineer Gustav Trinkler, who never claimed to have developed the cycle himself. Heat is added partly at constant volume (isochoric) and partly at constant pressure (isobaric), the significance of which is that more time is available for the fuel to completely combust. Because of lagging characteristics of fuel this cycle is invariably used for Diesel and hot spot ignition engines. It consists of two adiabatic and two constant volume and one constant pressure processes. The dual cycle consists of following operations: * Process 1-2: Isentropic compression * Process 2-3: Addition of heat at constant volume. * Process 3-4: Addition of heat at constant pressure. * Process 4-5: Isentropic expansion. * Process 5-1: Rejection of heat at constant volume. Bibliogr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
General Electric CF6
The General Electric CF6, US military designations F103 and F138, is a family of high-bypass turbofan engines produced by GE Aviation. Based on the TF39, the first high-power high-bypass jet engine, the CF6 powers a wide variety of civilian airliners. The basic engine core also powers the LM2500 and LM6000 marine and power generation turboshafts. It is gradually being replaced by the newer GEnx family. Development After developing the TF39 for the C-5 Galaxy in the late 1960s, GE offered a more powerful variant for civilian use, the CF6, and quickly found interest in two designs being offered for a recent Eastern Airlines contract, the Lockheed L-1011 and the McDonnell Douglas DC-10. Lockheed eventually selected the Rolls-Royce RB211, but the latter stuck with the CF6 and entered service in 1971. It was also selected for versions of the Boeing 747. Since then, the CF6 has powered versions of the Airbus A300, A310 and A330, Boeing 767, and McDonnell Douglas MD-11. The high b ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Booster (rocketry)
A booster rocket (or engine) is either the first stage of a multistage launch vehicle, or else a shorter-burning rocket used in parallel with longer-burning sustainer rockets to augment the space vehicle's takeoff thrust and payload capability. Boosters are traditionally necessary to launch spacecraft into low Earth orbit (absent a single-stage-to-orbit design), and are especially important for a space vehicle to go beyond Earth orbit. The booster is dropped to fall back to Earth once its fuel is expended, a point known as ''booster engine cut-off'' (BECO). Following booster separation, the rest of the launch vehicle continues flight with its core or upper-stage engines. The booster may be recovered, refurbished and reused, as was the case of the steel casings used for the Space Shuttle Solid Rocket Boosters. Drop-away engines The SM-65 Atlas rocket used three engines, one of which was fixed to the fuel tank, and two of which were mounted on a skirt which dropped away at BECO ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
General Electric T58
The General Electric T58 is an American turboshaft engine developed for helicopter use. First run in 1955, it remained in production until 1984, by which time some 6,300 units had been built. On July 1, 1959, it became the first turbine engine to gain FAA certification for civil helicopter use. The engine was license-built and further developed by de Havilland in the UK as the Gnome, in the West Germany by Klöckner-Humboldt-Deutz, and also manufactured by Alfa Romeo and the IHI Corporation. Design and development Development commenced with a 1953 US Navy requirement for a helicopter turboshaft to weigh under 400 lb (180 kg) while delivering 800 hp (600 kW). The engine General Electric eventually built weighed only 250 lb (110 kg) and delivered 1,050 hp (780 kW) and was soon ordered into production. First flight was on a modified Sikorsky HSS-1 in 1957, and civil certification for the CT58-100 variant was obtained two years later. A number ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
McGraw-Hill
McGraw Hill is an American educational publishing company and one of the "big three" educational publishers that publishes educational content, software, and services for pre-K through postgraduate education. The company also publishes reference and trade publications for the medical, business, and engineering professions. McGraw Hill operates in 28 countries, has about 4,000 employees globally, and offers products and services to about 140 countries in about 60 languages. Formerly a division of The McGraw Hill Companies (later renamed McGraw Hill Financial, now S&P Global), McGraw Hill Education was divested and acquired by Apollo Global Management in March 2013 for $2.4 billion in cash. McGraw Hill was sold in 2021 to Platinum Equity for $4.5 billion. Corporate History McGraw Hill was founded in 1888 when James H. McGraw, co-founder of the company, purchased the ''American Journal of Railway Appliances''. He continued to add further publications, eventually establishing The ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
RKO Roxy Theatre
The Center Theatre was a theater located at 1230 Sixth Avenue, the southeast corner of West 49th Street in Rockefeller Center in New York City. Seating 3,500, it was originally designed as a movie palace in 1932 and later achieved fame as a showcase for live musical ice-skating spectacles. It was demolished in 1954, the only building in the original Rockefeller Center complex to have been torn down. History The Center Theatre was originally called the RKO Roxy Theatre and built as part of the construction of Rockefeller Center. The RKO Roxy started construction in November 1931, and it opened December 29, 1932 with the RKO film '' The Animal Kingdom'' and a live stage show. It was intended as a smaller sister to the 6,000 seat Radio City Music Hall one block away, which at first did not show films. The smaller theater was named after producer Samuel L. Rothafel, aka "Roxy", who was engaged by Rockefeller Center to supervise the design and operation of the two theaters. After ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
The American Way (play)
''The American Way'' is a play by American playwrights George S. Kaufman and Moss Hart. Production The original Broadway production of ''The American Way'' opened at the Center Theatre on January 21, 1939, in a production produced by Sam H. Harris and Max Gordon. It was directed by Kaufman and designed by Donald Oenslager (sets), Irene Sharaff (costumes), and Hassard Short (lights). Husband and wife actors Fredric March and Florence Eldridge starred as Martin and Irma Gunther. Dick Van Patten had a role as Martin's grandson, Karl, at age 9; David Wayne played an adult version of the same character. This production made Scott McKay's debut in appearing in Broadway plays. ''The American Way'' closed in June 1939, after 164 performances, and reopened July 17, playing for an additional 80 performances before closing permanently on September 23, 1939. Critical response In his review for ''The New York Times'', Brooks Atkinson called ''The American Way'' "a wide, handsome, den ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Reed Elsevier
RELX plc (pronounced "Rel-ex") is a British multinational information and analytics company headquartered in London, England. Its businesses provide scientific, technical and medical information and analytics; legal information and analytics; decision-making tools; and organise exhibitions. It operates in 40 countries and serves customers in over 180 nations. It was previously known as Reed Elsevier, and came into being in 1993 as a result of the merger of Reed International, a British trade book and magazine publisher, and Elsevier, a Netherlands-based scientific publisher. The company is publicly listed, with shares traded on the London Stock Exchange, Amsterdam Stock Exchange and New York Stock Exchange (ticker symbols: London: REL, Amsterdam: REN, New York: RELX). The company is one of the constituents of the FTSE 100 Index, Financial Times Global 500 and Euronext 100 Index. History The company, which was previously known as Reed Elsevier, came into being in 1993, as a r ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cahners Publishing
RELX plc (pronounced "Rel-ex") is a British multinational information and analytics company headquartered in London, England. Its businesses provide scientific, technical and medical information and analytics; legal information and analytics; decision-making tools; and organise exhibitions. It operates in 40 countries and serves customers in over 180 nations. It was previously known as Reed Elsevier, and came into being in 1993 as a result of the merger of Reed International, a British trade book and magazine publisher, and Elsevier, a Netherlands-based scientific publisher. The company is publicly listed, with shares traded on the London Stock Exchange, Amsterdam Stock Exchange and New York Stock Exchange (ticker symbols: London: REL, Amsterdam: REN, New York: RELX). The company is one of the constituents of the FTSE 100 Index, Financial Times Global 500 and Euronext 100 Index. History The company, which was previously known as Reed Elsevier, came into being in 1993, as a res ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
