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Lockheed D-21

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Supersonic speed is the speed of an object that exceeds the speed of sound ( Mach  1). For objects traveling in dry air of a temperature of 20 °C (68 °F) at sea level , this speed is approximately 343.2 m/s (1,126 ft/s; 768 mph; 667.1 kn; 1,236 km/h). Speeds greater than five times the speed of sound (Mach 5) are often referred to as hypersonic . Flights during which only some parts of the air surrounding an object, such as the ends of rotor blades, reach supersonic speeds are called transonic . This occurs typically somewhere between Mach 0.8 and Mach 1.2.

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87-545: The Lockheed D-21 is an American supersonic reconnaissance drone . The D-21 was initially designed to be launched from the back of an M-21 carrier aircraft, a variant of the Lockheed A-12 aircraft. The drone had maximum speed in excess of Mach 3.3 (2,200 miles per hour; 3,600 kilometers per hour) at an operational altitude of 90,000 feet (27,000 meters). Development began in October 1962. Originally known by

174-665: A Boeing B-52 Stratofortress . Several successful test flights were made, followed by at least four unsuccessful operational D-21 flights over China, before the program was canceled in 1971. In the 1960s, Lockheed's secret Skunk Works developed the Mach 3 A-12 reconnaissance aircraft for the Central Intelligence Agency (CIA). After the shooting down of the U-2 piloted by Gary Powers in 1960, several different concepts were proposed as alternatives. Kelly Johnson ,

261-540: A Fortune 500 company, ranked 115th in 2023. In 2023, the corporation had a global workforce of approximately 95,000 employees. The current chairman & chief executive officer (CEO) is Vimal Kapur . The corporation's current name, Honeywell International Inc., is a product of the merger of Honeywell Inc. and AlliedSignal in 1999. The corporation headquarters were consolidated with AlliedSignal's headquarters in Morristown, New Jersey. The combined company chose

348-733: A player piano to relay instructions to the aircraft's autopilot at certain way points during the flight, significantly reducing the pilot's workload. Technologically, this effort had parallels to contemporary efforts in missile guidance and numerical control . Honeywell also developed the Wagtail missile with the USAF. From the 1950s until the mid-1970s, Honeywell was the United States' importer of Japanese company Asahi Optical's Pentax cameras and photographic equipment. These products were labeled "Heiland Pentax" and "Honeywell Pentax" in

435-643: A "patent cross-license" agreement that "fully resolves" the long-standing dispute. Honeywell sued Nest Labs in 2012. In 2017, Honeywell opened a new software center in Atlanta, Georgia. David Cote stepped down as CEO on April 1, 2017, and was succeeded by Darius Adamczyk , who had been promoted to president and chief operating officer (COO) in 2016. Cote served as executive chairman to April 2018. In October 2017, Honeywell announced plans to spin off its Homes, ADI Global Distribution , and Transportation Systems businesses into two separate, publicly traded companies by

522-647: A Japan-based distributor. Later in 1934, Minneapolis-Honeywell started distributorships across Canada, as well as one in the Netherlands, their first European office. This expansion into international markets continued in 1936, with their first distributorship in London, as well as their first foreign assembly facility being established in Canada. By 1937, ten years after the merger, Minneapolis-Honeywell had over 3,000 employees, with $ 16 million in annual revenue. With

609-494: A better position in those markets. Under Binger's stewardship from 1961 to 1978 he expanded the company into such fields as defense, aerospace, and computing. During and after the Vietnam Era , Honeywell's defense division produced a number of products, including cluster bombs , missile guidance systems, napalm , and land mines . Minnesota-Honeywell Corporation completed flight tests on an inertia guidance sub-system for

696-548: A cramped "Q-bay" below the drone's air intake . These components were built into a module that fit into the bay and was known as a "hatch". The hatch would be ejected at the end of the mission and then snagged out of the air by a JC-130 Hercules , a technique that had been developed by the USAF to recover film canisters from balloons and satellites. If the C-130 missed, the hatch was equipped with flotation devices so it could be recovered by ship if released over water. Honeywell built

783-603: A definitive agreement to acquire Xtralis, a leading global provider of aspirating smoke detection along with advanced perimeter security technologies and video analytics software, for $ 480 million, from funds advised by Pacific Equity Partners and Blum Capital Partners. The deal was completed in April 2016. In May 2016, Honeywell International Inc. settled its patent dispute regarding Google subsidiary Nest Labs, whose thermostats Honeywell claimed infringed on several of its patents. Google parent Alphabet Inc. and Honeywell said they reached

870-402: A global joint venture with Compagnie des Machines Bull of France and NEC Corporation of Japan to become Honeywell Bull. In 1988 Honeywell Bull was consolidated into Groupe Bull and in 1989 renamed to Bull, a Worldwide Information Systems Company. By 1991, Honeywell was no longer involved in the computer business. 1986 marked a new direction for Honeywell, beginning with the acquisition of

957-460: A half at high altitudes. The modified engine was designated RJ43-MA20S-4 . A full-scale mockup of the Q-12 was ready by 7 December 1962, and had already undergone preliminary tests to measure its radar cross-section. Marquardt had also successfully tested the modified RJ-43 in its wind tunnel in the meantime. The CIA was not enthusiastic about the Q-12, mostly because the agency was overextended at

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1044-536: A hefty premium, it's still getting Pittway for a bargain" at $ 45.50 per share, despite closing at $ 29 the week before. Pittway's Ademco products complemented Honeywell's existing unified controls systems. In October 2000, Honeywell, then valued at over $ 21 billion, accepted a takeover bid from then-CEO Jack Welch of General Electric . The American Department of Justice cleared the merger, while "GE teams swooped down on Honeywell" and "GE executives took over budget planning and employee reviews." However, on July 3, 2001,

1131-541: A high speed non-impact printer called the Honeywell Page Printing System . In 1975, it purchased Xerox Data Systems , whose Sigma computers had a small but loyal customer base. Some of Honeywell's systems were minicomputers , such as their Series 60 Model 6 and Model 62 and their Honeywell 200 . The latter was an attempt to penetrate the IBM 1401 market. In 1987, HIS merged with Groupe Bull ,

1218-798: A joint venture with Raytheon called Datamatic to enter the computer market and compete with IBM . In 1957, their first computer, the DATAmatic 1000 , was sold and installed. In 1960, just five years after embarking on this venture with Raytheon, Minneapolis-Honeywell bought Raytheon's interest in Datamatic and turned it into the Electronic Data Processing division, later Honeywell Information Systems (HIS) of Minneapolis-Honeywell. Honeywell purchased minicomputer pioneer Computer Control Corporation (3C's) in 1966, renaming it as Honeywell's Computer Control Division. Through most of

1305-533: A joint venture with Honeywell International Inc. – assumed full ownership of its ventures in Europe, Brazil, and the USA. Bendix Commercial Vehicle Systems became a subsidiary of Knorr-Bremse AG . Although declining in influence, Honeywell maintains a presence in emerging industries, such as Northern Alberta 's oil sands . Honeywell's Plant integrator is currently deployed in some of the most important plant-sites in

1392-531: A period of expansion and acquisition when they purchased the Time-O-Stat Controls Company, giving the company access to a greater number of patents for their controls systems. W.R. Sweatt and his son Harold provided 75 years of uninterrupted leadership for the company. W.R. Sweatt survived rough spots and turned an innovative idea – thermostatic heating control – into a thriving business. Harold took over in 1934, leading Honeywell through

1479-658: A period of growth and global expansion that set the stage for Honeywell to become a global technology leader. The merger into the Minneapolis-Honeywell Regulator Company proved to be a saving grace for the corporation. 1934 marked Minneapolis-Honeywell's first foray into the international market, when they acquired the Brown Instrument Company and inherited their relationship with the Yamatake Company of Tokyo,

1566-430: A stripped nut on the pylon before the aircraft reached its intended launch point. Johnson admitted that the incident was "very embarrassing". Three more launches were performed from November 1967 to January 1968. None were completely successful, so Johnson ordered his team to conduct a thorough review before renewing launch attempts. The next launch was on 10 April 1968. It also failed as the engine did not ignite. On 16 June

1653-614: A £1.2bn ($ 2.3bn) bid for Novar plc in December 2004. The acquisition was finalized in March 2005. In October 2005, Honeywell bought out Dow's 50% stake in UOP for $ 825 million, giving them complete control over the joint venture in petrochemical and refining technology. In May 2010, Honeywell outbid UK-based Cinven and acquired the French company Sperian Protection for $ 1.4 billion, which

1740-419: Is " ultrasonic ", but the older meaning sometimes still lives on, as in the word superheterodyne The tip of a bullwhip is generally seen as the first object designed to reach the speed of sound. This action results in its telltale "crack", which is actually just a sonic boom . The first human-made supersonic boom was likely caused by a piece of common cloth, leading to the whip's eventual development. It's

1827-527: Is based on trapped ions. Its expected quantum volume is at least 64, which Honeywell's CEO called the world's most powerful quantum computer. In November 2021, Honeywell announced the spinoff of its quantum division into a separate company named " Quantinuum ". In March 2023, Honeywell announced Vimal Kapur as its next CEO, effective June 1, 2023. In December 2023, Honeywell acquired Carrier Global 's security business for nearly $ 5 billion to boost its automation portfolio. In February 2024, Honeywell filed

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1914-428: Is crack formation faster than the speed of sound in a brittle material. The word supersonic comes from two Latin derived words ; 1) super : above and 2) sonus : sound, which together mean above sound, or faster than sound. At the beginning of the 20th century, the term "supersonic" was used as an adjective to describe sound whose frequency is above the range of normal human hearing. The modern term for this meaning

2001-444: Is more complex. The main key to having low supersonic drag is to properly shape the overall aircraft to be long and thin, and close to a "perfect" shape, the von Karman ogive or Sears-Haack body . This has led to almost every supersonic cruising aircraft looking very similar to every other, with a very long and slender fuselage and large delta wings, cf. SR-71 , Concorde , etc. Although not ideal for passenger aircraft, this shaping

2088-456: Is quite adaptable for bomber use. Honeywell Honeywell International Inc. is an American publicly traded , multinational conglomerate corporation headquartered in Charlotte, North Carolina . It primarily operates in four areas of business: aerospace ; building automation; performance materials and technologies (PMT); and safety and productivity solutions (SPS). Honeywell is

2175-545: The COVID-19 pandemic and the vehicle was put up for sale. Most modern fighter aircraft are supersonic aircraft. No modern-day passenger aircraft are capable of supersonic speed, but there have been supersonic passenger aircraft , namely Concorde and the Tupolev Tu-144 . Both of these passenger aircraft and some modern fighters are also capable of supercruise , a condition of sustained supersonic flight without

2262-559: The Electric Heat Regulator Company now-renamed Minneapolis Heat Regulator Company. In 1927, this led to the merging of both companies into the publicly-held Minneapolis-Honeywell Regulator Company. Honeywell was named the company's first president, alongside W.R. Sweatt as its first chairman. In 1929, combined assets were valued at over $ 3.5 million, with less than $ 1 million in liabilities just months before Black Monday . In 1931, Minneapolis-Honeywell began

2349-561: The European Commission 's competition commissioner, Mario Monti , blocked the move. This decision was taken on the grounds that with GE's dominance of the large jet engine market, led by the General Electric CF34 turbofan engine, its leasing services ( GECAS ), and Honeywell's portfolio of regional jet engines and avionics , the new company would be able to "bundle" products and stifle competition through

2436-702: The New York Stock Exchange to the Nasdaq . The Butz Thermo-Electric Regulator Company was founded in 1885 when the Swiss-born Albert Butz invented the damper-flapper , a thermostat used to control coal furnaces, bringing automated heating system regulation into homes. In 1886, he founded the Butz Thermo-Electric Regulator Company. In 1888, after a falling out with his investors, Butz left

2523-727: The RUR-5 ASROC for the US Navy. In 1953, in cooperation with the USAF Wright-Air Development Center, Honeywell developed an automated control unit, that could control an aircraft through various stages of a flight, from taxiing to takeoff to the point where the aircraft neared its destination and the pilot took over for landing . Called the Automatic Master Sequence Selector , the onboard control operated similarly to

2610-594: The ThrustSSC . The vehicle, driven by Andy Green , holds the world land speed record, having achieved an average speed on its bi-directional run of 1,228 km/h (763 mph) in the Black Rock Desert on 15 October 1997. The Bloodhound LSR project planned an attempt on the record in 2020 at Hakskeenpan in South Africa with a combination jet and hybrid rocket propelled car. The aim was to break

2697-562: The Tupolev Tu-160 and Rockwell B-1 Lancer are also supersonic-capable. The aerodynamics of supersonic aircraft is simpler than subsonic aerodynamics because the airsheets at different points along the plane often cannot affect each other. Supersonic jets and rocket vehicles require several times greater thrust to push through the extra aerodynamic drag experienced within the transonic region (around Mach 0.85–1.2). At these speeds aerospace engineers can gently guide air around

Lockheed D-21 - Misplaced Pages Continue

2784-533: The Unix operating system. Multics influenced many of the features of Honeywell/GE's GECOS and GCOS8 General Comprehensive Operating System operating systems. Honeywell, Groupe Bull , and Control Data Corporation formed a joint venture in Magnetic Peripherals Inc . which became a major player in the hard disk drive market. Honeywell was the worldwide leader in 14-inch disk drive technology in

2871-573: The X-20 project at Eglin Air Force Base , Florida, utilizing an NF-101B Voodoo by August 1963. The X-20 project was canceled in December 1963. The Honeywell project , founded in 1968, organized protests against the company to persuade it to abandon weapons production In 1980, Honeywell bought Incoterm Corporation to compete in both the airline reservations system networks and bank teller markets. In April 1955, Minneapolis-Honeywell started

2958-569: The avionics systems; new construction techniques and materials had to be developed for the systems to withstand the high temperatures, extreme vibrations and lack of space in the D-21. In late 1963 the project was named Tagboard ; the Q-12 was re-designated D-21 while the A-12 version launcher became M-21 (D- for "daughter" and M- for "mother"). Two of the original 18 A-12 aircraft were designated as M-21s with serial numbers 60-6940 and 60-6941. The M-21

3045-524: The fuselage of the aircraft without producing new shock waves , but any change in cross area farther down the vehicle leads to shock waves along the body. Designers use the Supersonic area rule and the Whitcomb area rule to minimize sudden changes in size. However, in practical applications, a supersonic aircraft must operate stably in both subsonic and supersonic profiles, hence aerodynamic design

3132-467: The speed of sound decreases somewhat with altitude, due to lower temperatures found there (typically up to 25 km). At even higher altitudes the temperature starts increasing, with the corresponding increase in the speed of sound. When an inflated balloon is burst, the torn pieces of latex contract at supersonic speed, which contributes to the sharp and loud popping noise. To date, only one land vehicle has officially travelled at supersonic speed,

3219-546: The wave motion travelling through the bullwhip that makes it capable of achieving supersonic speeds. Most modern firearm bullets are supersonic, with rifle projectiles often travelling at speeds approaching and in some cases well exceeding Mach 3 . Most spacecraft are supersonic at least during portions of their reentry, though the effects on the spacecraft are reduced by low air densities. During ascent, launch vehicles generally avoid going supersonic below 30 km (~98,400 feet) to reduce air drag. Note that

3306-777: The 1960s, Honeywell was one of the " Snow White and the Seven Dwarfs " of computing. IBM was "Snow White", while the dwarfs were the seven significantly smaller computer companies: Burroughs , Control Data Corporation , General Electric , Honeywell, NCR , RCA , and UNIVAC . Later, when their number had been reduced to five, they were known as "The BUNCH ", after their initials: Burroughs, UNIVAC, NCR, Control Data Corporation, and Honeywell. In 1970, Honeywell acquired GE's computer business, rebadging General Electric 's 600-series mainframes to Honeywell 6000 series computers, supporting GCOS , Multics , and CP-6 , while forming Honeywell Information Systems . In 1973, they shipped

3393-484: The 1970s, when faced with a denial of access to students, Honeywell "quietly [reversed] its hiring policy". The beginning of the 1970s saw Honeywell focus on process controls, with Honeywell merging their computer operations with GE's information systems in 1970, and later acquiring GE's process control business. With the acquisition, Honeywell took over responsibility for GE's ongoing Multics operating system project. The design and features of Multics greatly influenced

3480-594: The D-21B finally made a completely successful flight; it flew at the specified altitude and course for its full range, and the hatch was recovered. The next two launches were failures, followed by another successful flight in December. A test in February 1969 to check the inertial navigation system using an actual mission profile was a failure. The next two flights in May and July succeeded. At least four operational missions with

3567-538: The D-21B program was canceled due to its poor success rate, the introduction of a new generation of photo reconnaissance satellites , and President Richard Nixon 's rapprochement with China. A total of 38 D-21 and D-21B drones had been built, 21 of which were expended in launches. The remaining 17 were initially stored at Norton Air Force Base , California, then moved to the Davis–Monthan Air Force Base "boneyard" near Tucson, Arizona, in 1976 and 1977. With

Lockheed D-21 - Misplaced Pages Continue

3654-567: The D-21B took place under the code name Senior Bowl . These were conducted over China from 9 November 1969 to 20 March 1971 to spy on the Lop Nor nuclear test site . The USAF's 4200th Support Squadron, based at Beale Air Force Base , California, flew the missions, usually from Andersen Air Force Base in Guam . The Chinese government never reported spotting the D-21B in flight. The first one failed to turn around and continued straight on, crashing in

3741-588: The Enviracare air cleaner business. By 1995, Honeywell had condensed into three divisions: Space and Aviation Control, Home and Building Control, and Industrial Control. Honeywell dissolved its partnership with Yamatake Company and consolidated its Process Control Products Division, Process Management System Division, and Micro Switch Division into one Industrial Control Group in 1998. It has further acquired Measurex System and Leeds & Northrup to strengthen its portfolio in 1997. On June 7, 1999, Honeywell

3828-541: The Honeywell Robotics was created in Pittsburgh to focus on supply chain transformation. The Honeywell robotic unloader grabs packages in tractor-trailers then places them on conveyor belts for handlers to sort. In May 2019, GoDirect Trade launched as an online marketplace for surplus aircraft parts such as engines, electronics, and APU parts. In March 2020, Honeywell announced that its quantum computer

3915-458: The Lockheed designation Q-12, the drone was intended for reconnaissance deep into enemy airspace. The D-21 was designed to carry a single high-resolution photographic camera over a preprogrammed path, then release the camera module into the air for retrieval, after which the drone would self-destruct. Following a fatal accident when launched from an M-21, the D-21 was modified to be launched from

4002-587: The OEM marketplace in the 1970s and early 1980s, especially with its SMD (Storage Module Drive) and CMD (Cartridge Module Drive). In the second half of the 1970s, Honeywell started to look to international markets again, acquiring the French Compagnie Internationale pour l’Informatique in 1976. In 1984, Honeywell formed Honeywell High Tech Trading to lease their foreign marketing and distribution to other companies abroad, in order to establish

4089-662: The Oil Sands, Syncrude , Suncor , and others. In February 2002, Honeywell's board appointed their next CEO and chairman, David M. Cote. Cote was instrumental in uniting the company cultures of Honeywell, AlliedSignal, and Pittway. Since 2002, Honeywell has made more than 80 acquisitions and 60 divestures, while adding $ 12 billion in new sales and increasing its labor force to 131,000 as a result of these acquisitions. Under his tenure, Honeywell's stock nearly tripled from $ 35.23 in April 2002 to $ 99.39 in January 2015. Honeywell made

4176-668: The Q-12 with a ramjet engine built by the Marquardt Corporation for the Boeing CIM-10 Bomarc long-range surface-to-air missile . Marquardt and Lockheed had already collaborated on several programs and had a close working relationship. The engine, the RJ43-MA-11 , required modification, since it was only designed to burn as long as the missile needed to hit a target, while the Q-12's engine needed to operate at high temperatures for at least an hour and

4263-474: The SmartHouse project, to combine heating, cooling, security, lighting, and appliances into one easily controlled system. They continued the trend in 1987 by releasing new security systems, and fire and radon detectors. In 1992, in another streamlining effort, Honeywell combined their Residential Controls, Commercial Systems, and Protections Services divisions into Home and Building Control, which then acquired

4350-497: The Soviet Union. Another test flight was conducted on 20 February 1970 in a successful attempt to correct any problems. The second operational mission was on 16 December 1970. The D-21B reached Lop Nor and returned to the recovery point, but the hatch had a partial parachute failure and was lost at sea with its photographs. During the third operational mission, on 4 March 1971, the D-21B flew to Lop Nor and returned, and released

4437-507: The Soviets had recovered the wreckage. The Tupolev design bureau reverse-engineered the wreck and produced plans for a Soviet copy, named the Voron (Raven), but it was never built. In the late 1990s NASA considered using a D-21 to test a hybrid rocket-based combined cycle engine, which operates as a ramjet or rocket, depending on its flight regime. Ultimately NASA used a derivative of

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4524-664: The Sperry Aerospace Group from the Unisys Corporation . In 1990, Honeywell spun off their Defense and Marine Systems business into Alliant Techsystems , as well as their Test Instruments division and Signal Analysis Center to streamline the company's focus. Honeywell continues to supply aerospace products including electronic guidance systems, cockpit instrumentation, lighting, and primary propulsion and secondary power turbine engines. In 1996, Honeywell acquired Duracraft and began marketing its products in

4611-466: The U.S. In 1953, Honeywell introduced their most famous product, the T-86 Round thermostat. In 1961, James H. Binger became Honeywell's president and in 1965 its chairman. Binger revamped the company sales approach, placing emphasis on profits rather than on volume. He stepped up the company's international expansion – it had six plants producing 12% of the company's revenue. He officially changed

4698-560: The accident, Johnson suggested launching the D-21 from the Boeing B-52 Stratofortress bomber and adding a solid rocket booster to get it up to speed. The drone was modified by adding attachment points on its spine to mate with the carrying pylon on the B-52 and its belly attachment points were adapted to accommodate the rocket booster necessary to increase its speed and allow its ramjet to operate. Its vertical stabilizer

4785-720: The acquisition of Elster for US$ 5.1B, announced in July 2015, entering the space of gas, electricity, and water meters with a specific focus on smart meters and hoped to be a growth driver for Honeywell in 2016 and beyond. The deal complements the HON Combustion business with the addition of Elster with strong brands such as Kromschroeder and Eclipse. Honeywell International Inc. then acquired the 30% stake in UOP Russell LLC it didn't own already for roughly $ 240 million in January 2016. In February 2016, Honeywell entered into

4872-429: The agency's X-43A hypersonic test vehicle for the experiments. Data from Pace, Landis & Jenkins, Donald General characteristics Performance Related development Related lists Supersonic Sounds are traveling vibrations in the form of pressure waves in an elastic medium. Objects move at supersonic speed when the objects move faster than the speed at which sound propagates through

4959-519: The base open to the public, the D-21 drones were quickly spotted and photographed. The Air Force called them GTD-21Bs with the GT standing for Ground Training. The fate of the D-21 that had disappeared on the first operational flight was revealed in February 1986 when an official from the CIA returned a panel to Ben Rich that he had been given by a Soviet KGB agent. The drone had self-destructed over Siberia and

5046-584: The companies share huge business interests in aerospace, chemical products, automotive parts, and building controls. The corporate headquarters were consolidated to AlliedSignal's headquarters in Morristown, New Jersey, rather than Honeywell's former headquarters in Minneapolis , Minnesota . When Honeywell closed its corporate headquarters in Minneapolis, over one thousand employees lost their jobs. A few moved to Morristown or other company locations, but

5133-663: The company and transferred the patents to the legal firm Paul, Sanford, and Merwin, who renamed the company the Consolidated Temperature Controlling Company. As the years passed, CTCC struggled with debt, and the company underwent several name changes. After it was renamed the Electric Heat Regulator Company in 1893, W.R. Sweatt , a stockholder in the company, was sold "an extensive list of patents" and named secretary-treasurer. By 1900, Sweatt had bought out

5220-705: The company's corporate name from "Minneapolis-Honeywell Regulator Co." to "Honeywell", to better represent their colloquial name. Throughout the 1960s, Honeywell continued to acquire other businesses, including Security Burglar Alarm Company in 1969. In the 1970s, after one member of a group called FREE on the Minneapolis campus (U of M) of the University of Minnesota asked five major companies with local offices to explain their attitudes toward gay men and women, three responded quickly, insisting that they did not discriminate against gay people in their hiring policies. Only Honeywell objected to hiring gay people. Later in

5307-564: The creation of a horizontal monopoly . US regulators disagreed, finding that the merger would improve competition and reduce prices; United States Assistant Attorney General Charles James called the EU's decision "antithetical to the goals of antitrust law enforcement." This led to a drop in morale and general tumult throughout Honeywell. The then-CEO Michael Bonsignore was fired as Honeywell looked to turn their business around. In January 2002, Knorr-Bremse  – who had been operating in

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5394-475: The drone or carrier plane could be devised. The D-21 was first launched from an M-21 on 5 March 1966. The drone was released but stayed close to the M-21's back for a few seconds, which seemed like "two hours" to the M-21 crew. A second launch took place on 27 April 1966; the D-21 reached its operational altitude of 90,000 ft (27,000 m) and speed of over Mach 3.3 (2,200 mph; 3,600 km/h), but

5481-456: The drones as they separated from the pylons. The launch control officer on the B-52H could communicate with the D-21B and could make it self-destruct. The solid-propellant rocket booster was both larger and heavier than the drone; it was 44 feet 4 inches (14 m) long and weighed 13,286 pounds (6,000 kg). It had a folding tail fin on the bottom to stabilize it while the rocket

5568-485: The end of 2018. In 2018, Honeywell spun off both Honeywell Turbo Technologies, now Garrett Advancing Motion , and its consumer products business, Resideo. Both companies are publicly traded on the New York Stock Exchange . For the fiscal year 2019, Honeywell reported net income of US$ 6.230 billion, with an annual revenue of US$ 36.709 billion, a decrease of 19.11% over the previous fiscal cycle. Honeywell's shares traded at over $ 158 per share, and its market capitalization

5655-460: The existing record, then make further attempts during which (the members of) the team hoped to reach speeds of up to 1,600 km/h (1,000 mph). The effort was originally run by Richard Noble who was the leader of the ThrustSSC project, however following funding issues in 2018, the team was bought by Ian Warhurst and renamed Bloodhound LSR. Later the project was indefinitely delayed due to

5742-485: The hatch was successfully recovered (whether in midair using the JC-130 or at sea is unknown), but only one yielded any usable photographs. The use of improper film processing equipment caused the emulsion on the first drone's film to separate from its base, rendering the photographs unusable. In the other mission, the film development process was completed with no further obstacles, according to Spanberger. On 23 July 1971,

5829-399: The hatch, which deployed its parachute, but the midair recovery failed and the hatch fell into the water. The destroyer that tried to retrieve the hatch ran it down and it sank. The fourth, and last, Senior Bowl flight was on 20 March 1971. It was lost over China on the final segment of the route over China's Yunnan province ; wreckage was found by local authorities. In 2010, after being in

5916-400: The home comfort sector. Honeywell is in the consortium that runs the Pantex Plant that assembles all of the nuclear bombs in the United States arsenal. Honeywell Federal Manufacturing & Technologies, successor to the defense products of AlliedSignal, operates the Kansas City Plant which produces and assembles 85 percent of the non-nuclear components of the bombs. Honeywell began

6003-453: The junkyard of the China Aviation Museum for years, the wreckage was moved to the exhibition area. According to writer Lloyd Spanberger, at least two additional operational D-21B flights may have been made. Spanberger cites an interview with Lt. Col. Alfred Crane, who worked with classified spy satellites and drones during the Cold War , in which Crane described processing two D-21B film capsules, both from flights over China. In both cases,

6090-432: The leader of Skunk Works, developed the concept of a long-range drone that used much of the A-12's technology. In October 1962, the CIA and the United States Air Force (USAF) instructed Lockheed to study a high-speed, high-altitude drone concept. Johnson specified speeds of Mach 3.3–3.5, an operational altitude of 87,000–95,000 feet (27,000–29,000 m), and a range of 3,000 nautical miles (3,500 mi; 5,600 km). It

6177-475: The majority were forced to find new jobs or retire. Soon after the merger, the company's stock fell significantly, and did not return to its pre-merger level until 2007. In 2000, the new Honeywell acquired Pittway for $ 2.2 billion to gain a greater share of the fire-protection and security systems market, and merged it into their Home and Building Control division, taking on Pittway's $ 167 million in debt. Analyst David Jarrett commented that "while Honeywell offered

6264-563: The medium. In gases, sound travels longitudinally at different speeds, mostly depending on the molecular mass and temperature of the gas, and pressure has little effect. Since air temperature and composition varies significantly with altitude, the speed of sound, and Mach numbers for a steadily moving object may change. In water at room temperature supersonic speed means any speed greater than 1,440 m/s (4,724 ft/s). In solids, sound waves can be polarized longitudinally or transversely and have higher velocities. Supersonic fracture

6351-582: The name "Honeywell" because of the considerable brand recognition. Honeywell was a component of the Dow Jones Industrial Average index from 1999 to 2008. Prior to 1999, its corporate predecessors were included dating back to 1925, including early entrants in the computing and thermostat industries. In 2020, Honeywell rejoined the Dow Jones Industrial Average index. In 2021, it moved its stock listing from

6438-659: The outbreak of World War II , Minneapolis-Honeywell was approached by the US military for engineering and manufacturing projects. In 1941, Minneapolis-Honeywell developed a superior tank periscope, camera stabilizers, and the C-1 autopilot. The C-1 revolutionized precision bombing and was ultimately used on the two B-29 bombers that dropped atomic bombs on Japan in 1945. The success of these projects led Minneapolis-Honeywell to open an Aero division in Chicago on October 5, 1942. This division

6525-547: The remaining shares of the company from the other stockholders. In 1906, Mark Honeywell founded the Honeywell Heating Specialty Company in Wabash , Indiana , to manufacture and market his invention, the mercury seal generator. As Honeywell's company grew, thanks in part to the acquisition of Jewell Manufacturing Company in 1922 to better automate his heating system, it began to clash with

6612-496: The three previous launches this one was performed straight and level, not in an outside loop to assist in the separation of the drone from the aircraft. The D-21 suffered an engine unstart and struck the M-21's tail after separation, leading to the destruction of both aircraft. The two crew ejected and landed at sea. The pilot, Bill Park, survived, but the Launch Control Officer, Ray Torrick, drowned. Following

6699-507: The time with U-2 missions, getting the A-12 up to speed and covert operations in Southeast Asia. The USAF was interested in the Q-12 as both a reconnaissance platform and a cruise missile and the CIA finally decided to work with the USAF to develop the new drone. Lockheed was awarded a contract in March 1963 for full-scale development of the Q-12. The camera and its film magazines with an inertial navigation system were carried in

6786-405: The use of an afterburner . Due to its ability to supercruise for several hours and the relatively high frequency of flight over several decades, Concorde spent more time flying supersonically than all other aircraft combined by a considerable margin. Since Concorde's final retirement flight on November 26, 2003, there are no supersonic passenger aircraft left in service. Some large bombers , such as

6873-436: Was a two-seat version of the A-12, with a pylon on the fuselage centerline between the vertical stabilizers to carry the drone in a nose-up attitude. A D-21 mounted on an M-21 began captive flight-testing on 22 December 1964. Aerodynamic covers were initially placed over the D-21's intake and exhaust to reduce drag , but had to be removed after the first few tests, as no way of discarding them at Mach 3 without damaging

6960-556: Was acquired by AlliedSignal , who elected to retain the Honeywell name for its brand recognition. The former Honeywell moved their headquarters of 114 years to AlliedSignal's in Morristown , New Jersey . While "technically, the deal looks more like an acquisition than a merger...from a strategic standpoint, it is a merger of equals." AlliedSignal's 1998 revenue was reported at $ 15.1 billion to Honeywell's $ 8.4 billion, but together

7047-404: Was firing. The booster had a burn time of 87 seconds and a thrust of 27,300 pounds-force (121 kN). During ground handling everyone within 25 feet (7.6 m) was required to wear anti-static straps to prevent any discharge of static electricity that might ignite the booster. The first attempted launch of a D-21B was on 28 September 1967, but the drone fell off the B-52's launch pylon due to

7134-557: Was increased in size by approximately 20%. The modified drone version was designated D-21B (there was no D-21A ). Two B-52Hs were modified to carry two drones each by means of two large underwing pylons that replaced the smaller pylons used for the AGM-28 Hound Dog cruise missiles. The tail gunner 's and electronic warfare officer's stations were replaced with two launch control stations. Command and telemetry systems were added, and high-speed cameras were installed to track

7221-403: Was intended to make a one-way trip, eject its camera payload at the end of the mission for recovery, then self-destruct. It had a double- delta wing similar to the A-12's wing design. The Q-12 was to be air-launched from the back of an A-12, and used key technology from the A-12 project, including titanium construction and radar cross-section reduction design features. Johnson wanted to power

7308-494: Was lost due to a hydraulic pump failure after a flight of over 1,200 nmi (1,400 mi; 2,200 km). The USAF's interest in the program continued and more D-21s were ordered after the second launch. A third flight took place on 16 June with the D-21 flying 1,550 nmi (1,800 mi; 2,900 km) through its complete flight profile; its camera hatch was not released due to an electronics failure. The fourth and final launch from an M-21 on 30 July ended in disaster. Unlike

7395-449: Was responsible for the development of the formation stick to control autopilots, more accurate fuel quantity indicators for aircraft, and the turbo supercharger. In 1950, Minneapolis-Honeywell's Aero division was contracted for the controls on the first US nuclear submarine, USS Nautilus . In 1951, the company acquired Intervox Company for their sonar, ultrasonic, and telemetry technologies. Honeywell also helped develop and manufacture

7482-473: Was then incorporated into its automation and controls safety unit. In 2015, the headquarters were moved to Morris Plains, New Jersey . The 475,000-square-foot building on 40 acres in Morris Plains featured state-of-the-art technology and greater energy efficiency than Honeywell's Morristown campus, which was underutilized, outdated and costly, according to Cote. In December 2015, Honeywell completed

7569-660: Was valued at over US$ 113.25 billion in September 2020. Honeywell relocated its corporate headquarters in October 2019 to Charlotte, North Carolina. In July 2019, Honeywell moved employees into a temporary headquarters building in Charlotte before their new building was complete. Honeywell Forge launched as an analytics platform software for industrial and commercial applications such as aircraft, building, industrial, worker and cyber-security. In collaboration with Carnegie Mellon University National Robotics Engineering Center,

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