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55-454: Early Kinsei models (1 and 2) had A4 internal designation and their cylinder and detail design was based on the single-row, 9-cylinder air-cooled Pratt and Whitney R-1690 Hornet . In 1933 engine underwent a major redesign and redesignated A8 . Head layout was reversed to allow exhaust exit to the rear, reducing back-pressure and allowing for a cleaner installation. Compression ratio increased from 5.3:1 to 6.0:1. These changes resulted in

110-530: A war theater or along a front . Airpower includes the national means of conducting such warfare, including the intersection of transport and warcraft. Military aircraft include bombers , fighters , transports , trainer aircraft , and reconnaissance aircraft . The first military uses of aviation involved lighter-than-air balloons. During the Battle of Fleurus in 1794, the French observation balloon l'Entreprenant

165-538: A 35% market share as of 2020 . In addition to aircraft engines, Pratt & Whitney manufactures gas turbine engines for industrial use, marine propulsion, and power generation . In 2017, the company reported that it supported more than 11,000 customers in 180 countries around the world. In April 1925, Frederick Rentschler , an Ohio native and former executive at Wright Aeronautical , was determined to start an aviation-related business of his own. His social network included Edward Deeds , another prominent Ohioan of

220-509: A decisive contribution until the Germans introduced Blitzkrieg during the Invasion of Poland and Battle of France , where aircraft functioned as mobile flying artillery to quickly disrupt defensive formations. The Allies would later use rocket-equipped fighters in the same role, immobilizing German armored divisions during the Battle of Normandy and afterwards. World War I also saw the creation of

275-440: A dozen Formula One races in 1971. Pratt & Whitney now markets its Ecopower pressure-washing service, which uses a high-pressure water spray run through several nozzles to clean grime and contaminants from jet engine parts, most notably turbine blades, to prevent overheating, improve engine operating efficiency and reduce fuel burn. The system collects the runoff from the washing process for appropriate disposal. The washing

330-453: A large range of products, including turbofan, turboprop and turboshaft engines targeted for the regional, business, utility and military aircraft and helicopter markets. The company also designs and manufactures engines for auxiliary power units and industrial applications. Its headquarters are located in Longueuil , Quebec (just outside Montreal ). Speaking to Reuters June 16, 2013, ahead of

385-545: A major role in winning the Battle of the Atlantic . Aircraft also played a much expanded role, with many notable engagements being decided solely through the use of military aircraft, such as the Battle of Britain or the attack on Pearl Harbor , and the conclusion of the Pacific War against Japan was marked by two lone aircraft dropping the atomic bombs , devastating the cities of Hiroshima and Nagasaki . The introduction of

440-402: A significant performance uplift, compared to previous variants. Kinsei 41 saw ever further increase in compression ratio from 6.0:1 to 6.6:1, and a larger supercharger . It's also the first variant to receive a two-digit model numbers. 40 series remained in production from 1936 till the end of the war. Kinsei 50 series saw the final compression ratio increase to 7.0:1. Indirect fuel injection

495-536: A transmission bearing failed four laps from the finish. STP entered four Lotus 56s in the 1968 Indianapolis 500 . One car crashed during qualifying. Two of the remaining cars qualified fastest and second fastest, but all three retired from the race. Turbine cars were deemed illegal before the following year's race, so Lotus chief Colin Chapman developed the car for use in Formula One and an updated 56B competed in half

550-601: Is a business unit of aerospace conglomerate RTX Corporation , making it a sister company to Collins Aerospace and Raytheon . It is also involved in two major joint ventures, the Engine Alliance with GE which manufactures engines for the Airbus A380, and International Aero Engines company with Rolls-Royce , MTU Aero Engines , and the Japanese Aero Engines Corporation which manufactures engines for

605-547: Is a joint venture that develops, builds and services the V2500 aero engine family, which powers the Airbus A320 family and McDonnell Douglas MD-90 aircraft. The four founding engine manufacturers that make up IAE each contribute an individual module to the V2500 engine. Pratt & Whitney produces the combustor and high-pressure turbine, Rolls-Royce the high-pressure compressor, JAEC

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660-460: Is accomplished at the airport tarmac in about one hour. Customers include United Airlines , Air India , Martinair , Thai Airways International , Virgin Atlantic , and JetBlue . Military aviation Military aviation comprises military aircraft and other flying machines for the purposes of conducting or enabling aerial warfare , including national airlift ( air cargo ) capacity to provide logistical supply to forces stationed in

715-478: Is an American aerospace manufacturer with global service operations. It is a subsidiary of RTX Corporation (formerly Raytheon Technologies). Pratt & Whitney's aircraft engines are widely used in both civil aviation (especially airliners ) and military aviation . Its headquarters are in East Hartford, Connecticut . The company is the world's second largest commercial aircraft engine manufacturer, with

770-662: Is the branch of a nation's armed forces that is responsible for aerial warfare as distinct from the army , navy , or other branches. Most nations either maintain an air force or, in the case of smaller and less well-developed countries, an air wing (see List of air forces ). Air forces are usually tasked with the air defense of a country, as well as strategic bombing, interdiction, close air support, intelligence gathering, battlespace management, transport functions, and providing services to civil government agencies. Air force operations may also include space-based operations such as reconnaissance or satellite operations. Other branches of

825-631: The CFM56 engine thus giving customers an alternative in new CFM56 engine materials. In addition to engine parts, GMS provides customers with fleet management and customized maintenance service programs. United Airlines was the GMS launch customer. GMS received its first part certification in July 2007, when the Federal Aviation Administration (FAA) granted Parts Manufacturing Approval (PMA) certification for

880-1193: The F119 for the F-22 Raptor , the F100 family that powers the F-15 Eagle and F-16 Falcon , the F117 for the C-17 Globemaster III , the J52 for the EA-6B Prowler , the TF33 powering E-3 AWACS , E-8 Joint STARS , B-52 , and KC-135 aircraft, and the TF30 for the F-111 and F-14A . In addition, Pratt & Whitney offers a global network of maintenance, repair, and overhaul facilities and military aviation service centers focused on maintaining engine readiness for their customers. Pratt & Whitney Canada (PWC), originally Canadian Pratt & Whitney Aircraft Company, and later United Aircraft of Canada, provides

935-662: The Gulf War . Airborne Early Warning provides advance warning of enemy activities to reduce the chance of being surprised. Many also have command functions that allow them to direct or vector friendly fighters onto incoming bogeys. Bombers are capable of carrying large payloads of bombs and may sacrifice speed or maneuverability to maximize payload. Experimental aircraft are designed to test advanced aerodynamic, structural, avionic, or propulsion concepts. These are usually well instrumented, with performance data telemetered on radio-frequency data links to ground stations located at

990-582: The Pratt & Whitney PW1000G geared turbofan engine since its inception in 2016 has been the central issue. In July 2023, Pratt & Whitney issued a product recall that would affect hundreds of jet engines. The recall was issued due to a concern of metal parts being contaminated that could lead to cracking over time. In August 2023, airlines in the US, Europe and Asia announced that they would be temporarily reducing some flights so they could inspect aircraft affected by

1045-678: The RD-180 booster engine, offered by RD Amross , a partnership between Pratt & Whitney and NPO Energomash of Russia, for the Atlas III and V programs. The West Palm Beach site consisted of an engineering division and manufacturing division which designed and manufactured the high-pressure turbopumps (fuel and LOX) for the Space Shuttle's Main Engines (SSME) which were manufactured by the former Rocketdyne Corporation. Pratt & Whitney Rocketdyne (PWR)

1100-534: The Rolls-Royce Trent 900 , the launch engine for the aircraft. The first GP7200-powered Airbus A380 entered service with Emirates on August 1, 2008, on a non-stop flight from Dubai to New York City. Between 1967 and 1971, Pratt & Whitney turbine engines were used in American Championship Car Racing and Formula One . The STP-Paxton Turbocar dominated the 1967 Indianapolis 500 until

1155-508: The U.S. Navy qualification test in March 1926; by October 1926, the U.S. Navy had ordered 200. The Wasp exhibited performance and reliability that revolutionized American aviation. The R-1340 powered the aircraft of Wiley Post , Amelia Earhart , and many other record flights. The R-1340 was followed by another very successful engine, the R-985 Wasp Junior . Eventually a whole Wasp series

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1210-720: The United Aircraft and Transport Corporation (UATC). His agreement allowed him to carry the Pratt & Whitney name with him to his new corporation. Only five years later, in 1934, the federal government of U.S. banned common ownership of airplane manufacturers and airlines. Pratt & Whitney was merged with UATC's other manufacturing interests east of the Mississippi River as United Aircraft Corporation , with Rentschler as president. In 1975, United Aircraft Corporation became United Technologies . In October 2014, Pratt & Whitney

1265-620: The Z-10 . This violated U.S. export laws and resulted in a multimillion-dollar fine. Pratt & Whitney Space Propulsion consisted of liquid space propulsion at the Liquid Space Propulsion Division (West Palm Beach, Florida) and solid rocket propulsion at the Chemical Systems Division (San Jose, California), as well as refurbishment and integration of the non-motor elements of the Space Shuttle's solid rocket boosters at

1320-578: The jet engine , radar , early missiles , helicopters , and computers are World War II advancements which are felt to the present day. Post World War II, the development of military aviation was spurred by the Cold War stand-off between the super-powers. The helicopter appeared late in World War II and matured into an indispensable part of military aviation, transporting troops and providing expanded anti-submarine capabilities to smaller warships, negating

1375-497: The naming rights for the home stadium for the University of Connecticut Huskies football team , Rentschler Field , which is located adjacent to Pratt & Whitney's East Hartford, Connecticut , campus, on Pratt's company-owned former airfield of the same name . In 2015, the stadium was renamed to Pratt & Whitney Stadium at Rentschler Field in time for the 2015–2016 University of Connecticut football season. Pratt & Whitney

1430-738: The Airbus A320 and the McDonnell Douglas MD-90 aircraft. Pratt & Whitney's large commercial engines power more than 25 percent of the world's passenger aircraft fleet and serve more than 800 customers in 160 countries. With more than 16,000 large commercial engines installed today, Pratt & Whitney provides power to hundreds of airlines and operators, from narrow-bodied airplanes to wide-bodied jumbo jetliners. In June 2007, Pratt & Whitney's fleet of large commercial engines surpassed 1 billion flight hours of service. Pratt & Whitney's Global Material Solutions (GMS) makes parts for

1485-1053: The GMS high-pressure turbine (HPT) shroud for the CFM56-3 engine. In March 2008, the FAA certified the GMS fan and booster with a Supplemental Type Certificate (STC) with FAA Chapter 5 life limits equal to the original type certificate holder. The STC was the first FAA certification ever granted for alternative life-limited engine parts. In May 2008, Global Material Solutions received FAA STCs for its remaining life limited parts for CFM56-3 engines. Pratt & Whitney Global Service Partners (GSP) offers overhaul, maintenance and repair services for Pratt & Whitney, International Aero Engines, General Electric, Rolls-Royce, and CFMI engines. In addition to engine overhaul and repair services, GSP provides services including line maintenance, engine monitoring and diagnostics, environmentally friendly on-wing water washes, leased engines, custom engine service programs and new and repaired parts. Pratt & Whitney maintains one of

1540-781: The KC-135, KC-46, KC-767, A310 MRTT, and the KC-130J. These aircraft are a part of many countries' militant assets. Training aircraft are used to train recruits to fly aircraft and to provide additional training for specialized roles such as in air combat. Transport aircraft transport troops and supplies. Cargo can be on pallets for quick unloading. Cargo, and personnel may also be discharged from flying aircraft on parachutes . Also included in this category are aerial tankers, which can refuel other aircraft while in flight . Helicopters and gliders can transport troops and supplies to areas where other aircraft would be unable to land. An air force

1595-760: The Paris Airshow 2013, Pratt & Whitney President David Hess said he was confident that Canada would decide to stick with the F-35 program despite its recent discussions about having a new competition. If the orders did shift to another company, Pratt & Whitney could decide to move some of the industrial base work it is currently doing in Canada, Hess said. "We might reallocate the work elsewhere", he said, adding that reduced order volumes would likely trigger changes in Canada. The division admitted in July 2012 to providing engines and engine software for China's first attack helicopter,

1650-673: The USBI Co. Division (NASA Kennedy Space Center, Florida). Pratt & Whitney Space Propulsion provided advanced technology solutions to commercial, government and military customers for more than four decades. Products included the RL10 , the upper stage rocket engine used on the Boeing Delta and Lockheed Martin Atlas rockets, high-pressure turbopumps for the Space Shuttle Main Engines (SSME) and

1705-548: The building of new carriers. During World War II, U-boats threatened the ability of the Allies to transport troops and war materiel to Europe, spurring the development of very long range Maritime patrol aircraft, whose capability of independently detecting and destroying submerged submarines was greatly increased with new detection systems, including sonobuoys , Leigh Lights , and radar , along with better weapons including homing torpedoes and improved depth charges . This played

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1760-525: The capabilities of both a fighter or a bomber, depending on what the mission calls for. Reconnaissance aircraft and scout helicopters are primarily used to gather intelligence. They are equipped with photographic, infrared, radar, and television sensors. This role is increasingly being filled by spy satellites and unmanned aerial vehicles . Refueling aircraft are used to refuel fighters and reconnaissance aircraft, extending mission reach and flying range. These aircraft include but are not limited to

1815-470: The early 1960s, missiles were expected to replace manned interceptors and the guns in other manned aircraft. They failed to live up to expectations as surface-to-air missiles lacked flexibility and were not as effective as manned interceptors, and fighters equipped only with air-to-air missiles had limited effectiveness against opposing aircraft which could avoid being hit. Missiles were also expensive, especially against low-value ground targets. The 1970s saw

1870-464: The early aviation industry, and Frederick's brother Gordon Rentschler , both of whom were on the board of Niles Bement Pond, then one of the largest machine tool corporations in the world. Frederick Rentschler approached these men as he sought capital and assets for his new venture. Deeds and G. Rentschler persuaded the board of Niles Bement Pond that their Pratt & Whitney Machine Tool (P&WMT) subsidiary of Hartford, Connecticut , should provide

1925-589: The end of World War I , military aviation had rapidly embraced many specialized roles, such as artillery spotting, air superiority, bombing, ground attack, and anti-submarine patrols. Technological improvements were made at a frenzied pace, and the first all-metal cantilevered airplanes were going into service as the war ended. Between the major world wars incremental improvements made in many areas, especially powerplants, aerodynamics, structures, and weapons, led to an even more rapid advance in aircraft technology during World War II, with large performance increases and

1980-574: The fan and low-pressure compressor and MTU the low-pressure turbine. Engine Alliance, a 50/50 joint venture between General Electric and Pratt & Whitney, was formed in August 1996 to develop, manufacture, and support a family of modern technology engines for new high-capacity, long-range aircraft . The main application is the GP7200 , which has been designed for use on the Airbus A380 . It competes with

2035-505: The first strategic bomber units, however, they wouldn't be tested until the Spanish Civil War where the perceived effects of mass bombardment would encourage their widespread use during World War II. Carrier aviation also first appeared during World War I, and likewise came to play a major role during World War II, with most major navies recognizing the aircraft carrier's advantages over the battleship and devoting massive resources to

2090-504: The funding and location to build a new aircraft engine being developed by Rentschler, George J. Mead , and colleagues, all formerly of Wright Aeronautical . Conceived and designed by Mead, the new engine would be a large, air-cooled , radial design. Pratt & Whitney Machine Tool was going through a period of self-revision at the time to prepare itself for the post-World War I era, discontinuing old product lines and incubating new ones. World War I had been profitable to P&WMT, but

2145-431: The greatest growth and development potential available anywhere for the next few decades. It lent Rentschler US$ 250,000, the use of the Pratt & Whitney name, and space in their building. This was the beginning of the Pratt & Whitney Aircraft Company . Pratt & Whitney Aircraft's first engine, the 425-horsepower (317 kW) R-1340 Wasp , was completed on Christmas Eve 1925. On its third test run it easily passed

2200-551: The introduction of aircraft into new roles, including Airborne Early Warning , electronic warfare , weather reconnaissance , and flying lifeboats. Great Britain used aircraft to suppress revolts throughout the Empire during the interwar period and introduced the first military transports , which revolutionized logistics , allowing troops and supplies to be quickly delivered over vastly greater distances. While they first appeared during World War I, ground attack aircraft didn't provide

2255-433: The largest service center networks in the world, with more than 40 engine overhaul and maintenance centers located around the globe. The Global Service Partners includes Japan Turbine Technologies (JTT). JTT started in 2000 as a joint venture between Pratt and Japan Airlines , with Japan Airlines owning 33.4 percent of the venture, and Pratt & Whitney owning the rest. In July 2011 Pratt bought out Japan Airlines' share in

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2310-754: The need for large numbers of small carriers. The need to out-perform opponents pushed new technology and aircraft developments in the U.S.S.R. and the United States , among others, and the Korean War and the Vietnam War tested the resulting designs. Incredible advances in electronics were made, starting with the first electronic computers during World War II and steadily expanding from its original role of cryptography into communications, data processing, reconnaissance, remotely piloted aircraft, and many other roles until it has become an integral aspect of modern warfare. In

2365-548: The new corporation's four main subsidiaries. In November 2022, Pratt & Whitney was awarded a contract for nearly $ 4.4 billion by the US DoD to build 100 jet engines for the U.S. military's Air Force, Navy, and Marine Corps branches. As of May 2023, Pratt & Whitney was "struggling to support its fleet of passenger jets with enough spare parts and engines" which had consequences for airlines worldwide who had to ground their Airbus A320 Neo and Airbus A220 . The durability of

2420-483: The peace brought a predictable glut to the machine tool market, as contracts with governments were canceled and the market in used, recently built tools competed against new ones. P&WMT's future growth would depend on innovation. Having idle factory space and capital available at this historical moment, to be invested wherever good return seemed available, P&WMT saw the post-war aviation industry, both military and civil (commercial, private) , as one with some of

2475-597: The recall. As of September 2023 , it was estimated that around 3,000 engines might have been manufactured with flawed components. Pratt & Whitney is headquartered in East Hartford, Connecticut , and also has plants in Londonderry, New Hampshire ; Springdale, Arkansas ; Columbus, Georgia ; Middletown, Connecticut ; Middletown, Pennsylvania ; Dallas, Texas ; Palm Beach County, Florida ; North Berwick, Maine ; Aguadilla, Puerto Rico ; Asheville, North Carolina and Bridgeport, West Virginia . Pratt & Whitney holds

2530-442: The return of the gun-armed fighter, and a greater emphasis on maneuverability. The 1980s through to the present day were characterized by stealth technology and other countermeasures. Today, a country's military aviation forces are often the first line of defense against an attack, or the first forces to attack the enemy, and effective military aviation forces (or lack thereof) have proved decisive in several recent conflicts such as

2585-571: The severe limitations of early aircraft. The U.S. Army Signal Corps purchased a Wright Model A on 2 August 1909 which became the first military aircraft in history. In 1911, the Italians used a variety of aircraft types in reconnaissance, photo-reconnaissance, and bombing roles during the Italo-Turkish War . On October 23, 1911, an Italian pilot, Captain Carlo Piazza, flew over Turkish lines on

2640-1008: The test ranges where they are flown. Fighters establish and maintain air superiority . Speed and maneuverability are usually requirements and they carry a variety of weapons, including machine guns and guided missiles, to do this. Forward Air Control directs close air support aircraft to ensure that the intended targets are nullified and friendly troops remain uninjured. Ground-attack aircraft support ground troops by weakening or nullifying enemy defenses. Helicopter gunships and specialized ground attack aircraft attack enemy armor or troops and provide close air support for ground troops. Liaison aircraft are usually small, unarmed aircraft used to deliver messages and key personnel. Maritime Patrol Aircraft are used to control sea-lanes, and are often equipped with special electronic gear for detecting and sinking submarines, such as sonar. They are also used for search and rescue missions and fisheries patrols. Multirole combat aircraft combine

2695-576: The venture. The facility is located in the town of Taiei near the city of Narita in the Chiba Prefecture and it primarily repairs V2500 , JT8D engine parts. Pratt & Whitney's Military Engines power 27 air forces around the globe, with nearly 11,000 military engines in service with 23 customers in 22 nations. Pratt & Whitney military engines include the F135 for the F-35 Lightning II ,

2750-464: The world's first aerial reconnaissance mission, and on November 1, the first ever aerial bomb was dropped by Sottotenente Giulio Gavotti , on Turkish troops in Libya , from an early model of Etrich Taube aircraft. The Turks , lacking anti-aircraft weapons, were the first to shoot down an airplane by rifle fire. The earliest military role filled by aircraft was reconnaissance , however, by

2805-606: Was awarded a $ 592 million contract with Department of Defense (DoD) to supply 36 F135 engines for the F-35 fighter. In January 2017, ten employees, including the head of the F135 engine program, reportedly left the company after expenses incurred to transport South Korean officials to the company's West Palm Beach, Florida facility in 2012 were deemed unethical. In 2020, United Technologies merged with Raytheon Company to form Raytheon Technologies , with Pratt & Whitney becoming one of

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2860-587: Was developed. Both engines are still in use in agricultural aircraft around the world and produce more power than their original design criteria. George Mead soon led the next step in the field of large, state-of-the-art, air-cooled, radial aircraft engines (which the Wasp dominated) when Pratt & Whitney released its R-1690 Hornet . It was basically "a bigger Wasp". In 1929, Rentschler ended his association with Pratt & Whitney Machine Tool and merged Pratt & Whitney Aircraft with Boeing and other companies to form

2915-526: Was fitted as well as a larger two-speed supercharger. Kinsei 60 series was introduction of direct injection and later, a turbo-supercharger . Its development was run parallel to 50 series. Production started in 1940 and lasted till the end of the war. Data from Goodwin Data from Goodwin Data from Jane's . Related development Comparable engines Related lists Pratt and Whitney Pratt & Whitney

2970-1306: Was formed in 2005 when Pratt & Whitney Space Propulsion and Rocketdyne Propulsion & Power were merged following the latter's acquisition from Boeing . P&W Rocketdyne engines powered the Space Shuttle , and the company also supplies booster engines for Delta II rockets and boosters and upper stage engines for Atlas III and V and Delta IV rockets. In 2013, PWR was sold to GenCorp , which merged it with Aerojet to become Aerojet Rocketdyne . Pratt & Whitney Power Systems (PWPS) designs, builds, furnishes and supports aero-derivative gas turbine and geothermal power systems for customers worldwide. These industrial gas turbines power everything from small businesses to small cities. PWPS’ industrial turbines not only generate electrical power, but provide variable speed mechanical drive for marine propulsion, gas compression, and liquid pumping. PWPS has over 2,000 industrial gas turbines installed in more than 40 countries worldwide. PWPS also provides parts and repairs for heavy-duty frame gas turbines as an OEM alternative. In May 2013, United Technologies Corporation (UTC) sold its Pratt & Whitney Power Systems unit to Mitsubishi Heavy Industries (MHI). International Aero Engines

3025-540: Was used to monitor Austrian troop movements. The use of lighter-than-air aircraft in warfare became prevalent in the 19th century, including regular use in the American Civil War . Lighter-than-air military aviation persisted until shortly after World War II , gradually being withdrawn from various roles as heavier-than-air aircraft improved. Heavier-than-air aircraft were recognized as having military applications early on, despite resistance from traditionalists and

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