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67-735: Technify Motors GmbH is an aircraft Diesel engine manufacturer based in Sankt Egidien , Germany. In July 2013, Chinese state-owned Aviation Industry Corporation of China (AVIC) acquired the aircraft Diesel engine designs and manufacturing assets of the former Thielert Aircraft Engines GmbH and added them to the Continental Motors Group as Technify Motors GmbH. The 5,000th engine was delivered in April 2017 after 15 years of production, accumulating more than 5.25 million flying hours and equipping over 2,750 aircraft. Thielert AG

134-400: A Hawker Horsley for test purposes. Interest in diesel engines in the postwar period was sporadic. The lower power-to-weight ratio of diesels, particularly compared to turboprop engines, weighed against the diesel engine. With fuel available cheaply and most research interest in turboprops and jets for high-speed airliners, diesel-powered aircraft virtually disappeared. The stagnation of

201-618: A step piston 750 kW (1,000 hp) V12 weighing 665 lb /302 kg with the reduction gearbox to replace low-end, 430 to 890 kW (580 to 1,200 hp) PT6s like in the Cessna Caravan ; a 260 kW (350 hp), 302 pounds/137 kg four-cylinder with a gearbox to reduce the prop RPM to 2300 from 5300; and a 1.5 L (92 in ) V4 weighing 103 pounds/47 kg and producing 120 hp (89 kW). see http://www.higgs-diesel.com/higgs-diesel/falconfl200/ and http://www.higgs-diesel.com/higgs-diesel/hawkv4/ for

268-703: A Diesel-equipped Cessna 172TD as a result of the insolvency. On 1 May 2008 the board appointed a new CEO, lawyer Marcel Kleib and lawyer Achim Ahrendt of Hamburg was appointed to oversee the insolvency proceedings. On 5 May 2008 bankruptcy administrator attorney Bruno M. Kubler issued a letter to company customers indicating that the business would continue to operate producing engines and parts, meet existing orders, to preserve its capability to reorganize. On 14 May 2008 Thielert announced that it would no longer honor existing engine warranties for engines installed in Diamond Aircraft and also dramatically increased

335-464: A WAM 120 having flown 400 hours on a Thorp T211 in England for the past four years. By mid-2009, approximately 40 WAM-120 units had been sold, with around half currently flying. The British owner of a VANS RV-9A fitted with a WAM-120 reports getting 125 kn (232 km/h) TAS at 6,000 ft (1,800 m) on 15 litre/hr of Jet A-1 fuel. A Rutan LongEz canard-pusher (G-LEZE) has also flown with

402-599: A central output shaft for the geared cranks, the overall installed shape thereby approximately resembling a four-stroke flat-four engine . Powerplant Developments , a British company, is developing a 75 and 89 kW (100 and 120 hp) opposed-piston engine called the Gemini 100/120 that resembles the Diesel Air Limited engine and uses the Junkers twin-crank principle, again for horizontal installation with

469-805: A central output shaft for the geared cranks. However, the Gemini 100 is an engine. Like Diesel Air Limited, Powerplant Developments claim to be using Weslake Air Services for production. They have recently announced that Tecnam will test a prototype with the Gemini engine. Superior Air Parts ' subsidiary Gemini Diesel develops three cylinder two-stroke designs with six opposed pistons: Weslake Engine , another UK based company, displayed its A80 lightweight diesel engine at Friedrichshafen Aero 2015. Wisconsin-based Engineered Propulsion Systems develops its Graflight liquid-cooled V-8 engine with steel pistons and compacted graphite iron crankcase for better strength and durability than aluminium at similar weight, increasing time between overhauls to 3,000 hours. It

536-519: A combination of piston and turboprop engines, which was exceptionally efficient in terms of brake specific fuel consumption , but judged too bulky and complex and canceled in 1955. Several factors have emerged to change this equation. First, a number of new manufacturers of general aviation aircraft developing new designs have emerged. Second, in Europe in particular, avgas has become very expensive. Third, in several (particularly remote) locations, avgas

603-917: A diesel starter engine. The R101 used the Beardmore Tornado aero diesel engine, with two of the five engines reversible by an adjustment to the camshaft. This engine was developed from an engine used in railcars . Continental Motors, Inc. subsidiary Technify Motors GmbH of Sankt Egidien , Germany, is the new TC holder of the Thielert TAE 110 certified by the EASA on 8 March 2001, a 4-cylinder, four stroke 1,689 cm (103.1 in ) engine with common rail direct injection, turbocharger, 1:1.4138 reduction gearbox and FADEC producing 81 kW (109 hp) at takeoff at 3675 rpm and 66 kW (89 hp) continuously at 3400 rpm for 141 kg (311 lb). The TAE 125-01, certified 3 May 2002,

670-528: A maximum 2,100 km (1,300 mile) combat radius upon the nearly 300 examples of the BV 138 built during World War II. The first successful diesel engine developed specifically for aircraft was the Packard DR-980 radial diesel of 1928–1929, which was laid out in the familiar air-cooled radial format similar to Wright and Pratt & Whitney designs, and was contemporary with the Beardmore Tornado used in

737-659: A mechanical back-up, outputting continuously 230 hp (170 kW) at 2200 RPM for 431 lb (195.5 kg) dry. It is developed from the SMA SR305-230 . RED Aircraft GmbH of Adenau , Germany, obtained EASA type certification on 19 December 2014 for its 6,134 cm (374.3 in ) RED A03 V12 four stroke, with common rail, turbocharger, 1:1.88 reduction gearbox and single lever FADEC/EECS, outputting 368 kW (500 hp) at take-off at 2127 propeller RPM and 338 kW (460 hp) at 1995 propeller RPM continuously for 363 kg (800 lb) dry. The RED A05

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804-457: A ported two-stroke design, they have also flown a prototype engine in a pusher configuration . Velocity aircraft are claiming delivery of non-certified engines since 2005 and hope to achieve certification early in 2011. DeltaHawk engines have a dry oil sump, so they can run in any orientation: upright, inverted or vertical shaft by changing the location of the oil scavenge port. They can also run counter-rotation for installation in twins to eliminate

871-546: A turbocharger and Common Rail injection, a 1:0.644 reduction gearbox and dual FADEC, it produces 118 kW (160 hp) at take-off and 107 kW (146 hp) continuously at 2450 propeller RPM for 205 kg (452 lb). The TDA CR 2.0 16V, certified 8 March 2016, is a 2.0 L (120 in ) 16 valve engine with a 1:0.607 reduction ratio and a similar configuration, producing 142 kW (193 hp) continuous and 160 kW (217.5 hp) at take-off at 2306 propeller RPM for 219 kg (483 lb). In 2016, DieselJet

938-525: Is 200 g/kW.h. It is manufactured by Teos Powertrain Engineering, a joint venture between Mecachrome and D2T (IFPEN group) for the mechanical design, engine main parts manufacturing, assembly and testing and Austro Engine for the dual channel FADEC and harness , fuel system, airworthiness. Thielert Centurion The Thielert Centurion is a series of diesel cycle aircraft engines for general aviation originally built by Thielert , which

1005-496: Is a liquid-cooled , dry sump lubricated 4.6 L (280 in ) 90° V8 engine with 1,800 bar (26,000 psi) common rail direct injection, fully machined aluminium blocks, titanium connecting rods, steel pistons and liners, one turbocharger per cylinder bank. With an air/air intercooler , it weighs 197 kg (434 lb) (dry) without gearbox and the 330 kW (440 hp) installed powerpack weighs 249 kg (549 lb). Its brake specific fuel consumption

1072-440: Is a 3550cc V6 preliminary design, outputting 300 hp (220 kW) at takeoff at 2127 propeller RPM and 280 hp (210 kW) continuously at 1995 propeller RPM, with a 210 g/kWh (0.35 lb/(hp⋅h)) best brake specific fuel consumption . DeltaHawk Engines, Inc. , an American company, is currently developing three V-4 designs of 160, 180 and 150 kW (200 hp), the latter two versions being turbocharged. Using

1139-436: Is a four stroke 3,996 cm (243.9 in ) 8-cylinder, with common rail, 2 turbochargers, 1:1.689 reduction gearbox, propeller governor and FADEC weighting 286 kg (631 lb) and certified on 26 September 2007 for up to 257 kW (345 hp) maximum, 243 kW (326 hp) continuous at 3900 rpm. The centurion 4.0 V8 has not been certified for installation in any airframes. EASA certified on 20 June 2017,

1206-413: Is an opposed rigidly connected twin cylinder design using the detonation principle. Diesel Air Limited is a British company developing a 75 kW (100 hp) twin-cylinder (therefore four-piston), two-stroke opposed-piston engine inspired by the original Junkers design. Their engine has flown in test aircraft and airship installations. Unlike the Junkers, it is made for horizontal installation with

1273-616: Is currently developing the Raptor 105 diesel engine. It is a four-stroke inline turbo charged engine. Formerly Vulcan Aircraft Engines (until September 2007). ECO Motors developed the EM 80 and EM 75 kW (100 hp) 4 stroke 4 cylinder diesel with FADEC based on a car engine for 98 kg (216 lb) dry but disappeared since 2008. The FlyEco diesel is a three-cylinder, 0.8 L (49 in ) engine producing 80 HP / 58,8 kW up to 3,800 RPM and reduced by 1:1.50-1.79, derived from

1340-503: Is harder to obtain than diesel fuel. Finally, automotive diesel technologies have improved greatly in recent years, offering higher power-to-weight ratios more suitable for aircraft application. Certified diesel-powered light planes are currently available, and a number of companies are developing new engine and aircraft designs for the purpose. Many of these run on readily available jet fuel (kerosene), or on conventional automotive diesel. Simulations indicate lower maximum payload due to

1407-590: Is managed by a Bosch ECU and consumes Jet A, JP-8 or straight diesel for general aviation aircraft and small helicopters , military drones , small boats or troop carriers, and its low vibration allows the use of composite or aluminium airscrews . At 195 kW (262 hp), 75% of the 261 kW (350 hp) maximum power, it consumes 35 kg/h (77 lb/h), in comparison to the Continental TSIO-550 -E, which burns 50 kg/h (110 lb/h) Raptor Turbo Diesel LLC, an American company,

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1474-487: Is the same with a 1:1.689 gearbox, weighs 134 kg (295 lb) and outputs 99 kW (133 hp) maximum at 3900 rpm, like the later 1,991 cm (121.5 in ) TAE 125-02-99 certified on 14 August 2006, then the TAE 125-02-114 on 6 March 2007 for 114 kW (153 hp) at 3900 rpm, and the TAE 125-02-125 outputting 125 kW (168 hp) at 3400 rpm for 156 kg (344 lb). The Centurion 4.0

1541-471: Is working on a four-cylinder 120 kW (160 hp) design (WAM-160). In 2007 Wilksch claimed that they had completed multiple tests on the WAM-100 LSA in accordance with ASTM F 2538 – the WAM-100 LSA is a derated WAM-120. Wilksch originally showed a two-cylinder prototype alongside the three- and four-cylinder models. In April 2008 IndUS Aviation introduced the first diesel light-sport aircraft with

1608-662: The Austro Engine E4 . Several hundred Thielert-powered airplanes are flying. SMA Engines , located in Bourges , France, have designed the SMA SR305-230 : a direct drive four-stroke, air and oil-cooled, turbo-diesel of four horizontally opposed cylinders displacing 4,988 cm (304.4 in ) with an electronically controlled mechanical pump fuel injection , it obtained EASA certification on 20 April 2001 for 169 kW (227 hp) at 2200 rpm, weighting 195 kg (430 lb). A 194 kW (260 hp) SR305-260

1675-641: The General Atomics MQ-1 Predator . A third field of activity is contract engine development and manufacture of engine parts for prototypes and small series for the automotive industry. Aircraft diesel engine Using diesel engines in aircraft is additionally advantageous from the standpoint of environmental protection as well as the protection of human health, since the tetraethyllead antiknock ingredient of avgas has long been known to be highly toxic as well as polluting. A number of manufacturers built diesel aero engines in

1742-452: The R101 airship . The use of a diesel had been specified for its low fire risk fuel. The first successful flight of a diesel powered aircraft was made on September 18, 1928, in a Stinson model SM-1DX Detroiter registration number X7654. Around 1936 the heavier but less thirsty diesel engines were preferred over gasoline engines when flight time was over only 6–7 hours. Entering service in

1809-668: The Smart Car . It powers the Siemens-FlyEco Magnus eFusion hybrid electric aircraft . Within the Green Rotorcraft European Clean Sky Joint Technology Initiative environmental research program started in 2011, an Airbus Helicopters H120 Colibri technology demonstrator equipped with a HIPE AE440 high-compression diesel engine, running on jet fuel , first flew on 6 November 2015. The powerplant

1876-669: The critical engine issue. A water-cooled DeltaHawk engine has been successfully fitted to a Rotorway helicopter , weighing the same as an air-cooled petrol engine of similar power and being capable of maintaining that power to 17,000 feet. The 180 hp DeltaHawk DH180 received its FAA Type certification in May 2023, first deliveries are planned in 2024. A number of other manufacturers are currently developing experimental diesel engines, many using aircraft-specific designs rather than adapted automotive engines. Many are using two-stroke designs, with some opposed-piston layouts directly inspired by

1943-584: The general aviation market in the 1990s saw a massive decline in the development of any new aircraft engine types. Napier & Son in Britain had developed the Napier Culverin, a derivative of the Junkers Jumo 205 , before World War II, and took up aero diesel engines again in the 1950s. The British Air Ministry supported the development of the 2,200 kW (3,000 hp) Napier Nomad ,

2010-703: The 1.7 based on the Mercedes A-class turbo diesel, running on diesel and jet A-1 fuel. It was certified for retrofitting to Cessna 172s and Piper Cherokees , replacing the 160 hp (120 kW) Lycoming O-320 5.2 L (320 in ) Avgas engine. The 134 kg (295 lb) of the 99 kW (133 hp) 1.7 engine is similar to the O-320 but its displacement is less than a third and it achieves maximum power at 2300 prop RPM instead of 2700. Austrian aircraft manufacturer Diamond Aircraft Industries offered its single-engine Diamond DA40 -TDI Star with

2077-800: The 1.7 engine, and the Diamond DA42 Twin Star with two, offering a low fuel consumption of 15.1 L/h (4.0 US gal/h). Robin Aircraft also offered a DR400 Ecoflyer with the Thielert engine. In May 2008, Thielert went bankrupt and although Thielert's insolvency administrator, Bruno M. Kubler, was able to announce in January 2009 that the company was "in the black and working to capacity," by then Cessna had dropped plans to install Thielert engines in some models, and Diamond Aircraft has now developed its own in-house diesel engine:

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2144-528: The 1920s and 1930s; the best known were the Packard air-cooled radial, and the Junkers Jumo 205 , which was moderately successful, but proved unsuitable for combat use in World War II . The Blohm & Voss BV 138 trimotor maritime patrol flying boat, however, was powered with the more developed Junkers Jumo 207 powerplant, and was more successful with its trio of diesel Jumo 207s conferring upwards of

2211-542: The Centurion 3.0 is a 2,987 cm (182.3 in ) four stroke V6, also with common rail, turbocharger, Electronic Engine Control Unit (EECU) and 1 : 1.66 reduction gearbox, weighting 265 kg (584 lb) and outputting 221 kW (300 HP) at take-off, 202 kW (272 HP) continuously, both at 2340 propeller RPM. Thielert , based in German Lichtenstein, Saxony was the original TC holder of

2278-498: The Centurion allows higher power to be developed from a smaller displacement, in comparison to conventional aircraft piston engines (i.e. engines that require leaded aviation gasoline with a very high octane rating). A Centurion engine complete with constant speed unit (CSU), reduction gearbox, turbocharger and FADEC engine management system is considerably heavier than the more conventional Continental and Lycoming engines which it competes against. However, this weight disadvantage

2345-492: The E4 engine certified by EASA on 28 January 2009. It is a 4-cylinder, 1991 cm³ four stroke engine with common rail direct injection, turbocharger, 1:1.69 reduction gearbox and an Electronic Engine Control Unit . It produces 123.5 kW (165.6 hp) at Take-off and continuously, at 2300 propeller RPM for 185 kg (408 lb). The same weight E4P was certified on 26 March 2015 for 132 kW (177 hp) at Take-off at

2412-537: The German stock market. On 23 April 2008 it was announced that the company Board of Directors had dismissed "with cause" company founder Frank Thielert and also cancelled his employment contract, due to evidence found during a criminal investigation by the Hamburg Office of Criminal Investigation. The allegations included that false invoices had been written, which were used to boost accounts receivable and create

2479-587: The SR460. At AERO Friedrichshafen 2016, SMA debuted a high power density engine demonstrator: a 135 hp (100 kW), 38-cubic-inch (0.62 liter) single cylinder four-stroke for 215 hp (160 kW) per liter, scalable from 300 to 600 kW (400 to 800 hp) and up to 1.5 hp/lb. (2.5 kW/kg) power density with a specific fuel consumption of 0.35 lb/hp/hr (210 g/kwh). Austro Engine GmbH, based in Wiener Neustadt , Austria had

2546-464: The WAM-120 engine with test flights showing a TAS of 300 km/h (160 kn) at 3,400 m (11,000 ft) and 22 litre/hr. At economy cruise of 232 km/h (125 kn) at 610 m (2,000 ft) the fuel consumption is 12 L/h (3.2 gal/h), giving a range of 3,500 km (1,890 nmi). GAP Diesel Engine is a NASA development. With the branding Zoche aero-diesel ,

2613-448: The actual-engine pages ( sorry I don't know how to do the references properly, please fix if you know how ), & this is produced by Higgs-Diesel, so the "Advanced Component Engineering" in the title of this paragraph isn't identifying the actual company. The 1,000 in (16 L) v12 can power generators, tanks, boats or blimps and v4 and v8 versions can be derived. The Bourke engine , designed by Russell Bourke, of Petaluma, CA,

2680-494: The appearance of a better financial position for the company. The board also dismissed Chief Financial Officer Roswitha Grosser and sold off €24.4 million to cover immediate financial requirements. In April 2008 a stockholder restructuring plan was put on hold and as a result on 24 April 2008 Thielert Aircraft Engines GmbH, responsible for all engine production, filed for insolvency at the Chemnitz County Court. As

2747-477: The company "Michael Zoche Antriebstechnik" in Munich/Germany has produced a prototype range of three radial air-cooled two-stroke diesel aero-engines , comprising a V-twin , a single-row cross-4 and a double-row cross-8. A Zoche engine has run successfully in wind tunnel tests. Zoche seem barely closer to production than they were a decade ago. Andy Higgs' Advanced Component Engineering designed

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2814-402: The company was, "in the black and working to capacity". On 6 April 2009 the company announced that insolvency administrator had "transferred the company's operative new business to a company that is unaffected by the insolvency proceedings". The new company, Centurion Engines , is responsible for worldwide sales of Centurion Diesel engines and spare parts. At the end of November 2010 the company

2881-405: The demonstration flight of the airship R100 was changed from India to Canada, "when she got petrol engines, because it was thought that a flight to the tropics with petrol on board would be too hazardous. It is curious after over twenty years to recall how afraid everyone was of petrol in those days (c. 1929), because since then aeroplanes with petrol engines have done innumerable hours of flying in

2948-583: The early 1930s, the two-stroke Junkers Jumo 205 opposed-piston engine was much more widely used than previous aero diesels. It was moderately successful in its use in the Blohm & Voss Ha 139 and even more so in airship use. In Britain Napier & Son license-built the larger Junkers Jumo 204 as the Napier Culverin , but it did not see production use in this form. A Daimler-Benz diesel engine

3015-475: The heavier engine, but also longer range at medium payload. The zeppelins LZ 129 Hindenburg and LZ 130 Graf Zeppelin II were propelled by reversible diesel engines. The direction of operation was changed by shifting gears on the camshaft. From full power forward, the engines could be brought to a stop, changed over, and brought to full power in reverse in less than 60 seconds. Nevil Shute Norway wrote that

3082-415: The insolvency commissioner responsible for Thielert's restructuring has come to understand that the eventual sale of the company will depend on product support. This led to Thielert reducing the cost of parts and actively working on extending inspection and replacement requirements for gearbox clutches as well as other parts. In January 2009, Bruno M. Kübler, Thielert's insolvency administrator announced that

3149-404: The normal operating speed is too high for any suitable propeller and so the propeller is driven through a reduction gearbox. The constant speed propeller and reduction gear result in a propeller tip speed that is 10-15% lower than comparable conventional avgas engines, reducing propeller noise. The diesel engine's high compression results in better fuel efficiency and the higher operating rpm of

3216-557: The original Junkers design. Diesel Air Limited, Wilksch and Zoche have all had considerable problems bringing their prototype designs into production, with delays running into several years. The Diesel Air Limited-powered airship is no longer registered by the Civil Aviation Authority in the UK. Wilksch Airmotive , a British company, is developing a 89 kW (120 hp) three-cylinder two-stroke diesel (WAM-120) and

3283-464: The pilot, as well as improving reliability as it prevents the engine being operated improperly. The series utilizes either jet fuel or diesel fuel. The high compression ratio of the engine combined with the digitally controlled fuel injection system mirrors similar advances in automotive technology. Centurion series engines are always fitted with constant speed propellers which allow the engine to be operated at optimum speed at all times. However,

3350-435: The previously announced high levels. On 10 July 2008 Diamond Aircraft announced that it was dropping out of the bidding to purchase Thielert, citing that Thielert withheld key information "vital to the due diligence process", although Thielert disagreed. On Friday 11 July 2008, Thielert issued a press release stating: "the reasons Diamond is presenting for its non-participation are clearly pretext". Thielert implied that Diamond

3417-476: The price of parts. Owners who required warranty work were required to pay cash in advance for parts. This announcement caused an immediate negative reaction from Diamond DA42 owners and also from Diamond Aircraft. On 18 June 2008 the company announced that it was resuming production of all its Diesel engine products, with a production target of 80 units per month. Thielert guaranteed the new engines against defective materials and labor, but parts prices remained at

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3484-704: The ruling of the Hamburg Regional Court in 2016 and referred the court back to it. On 23 July 2013 the company was sold to Continental Motors, Inc. Continental is owned by AVIC International , which is, in turn, wholly owned by the Government of the People's Republic of China . Thielert was renamed Technify Motors GmbH . Continental uses Chinese investment to continue development of the company's products, with an emphasis on extending gearbox inspection periods initially. Thielert Aircraft Engines GmbH

3551-530: The same speed, and 126 kW (169 hp) continuously at 2200 propeller RPM. In 2011, Austro Engine was developing a 280 hp (210 kW) 6-cylinder in cooperation with Steyr Motors , based on their 3.2 litres (200 in ) block, to be used in the Diamond DA50 . DieselJet s.r.l. of Castel Maggiore , Italy, had its TDA CR 1.9 8V EASA certified on 11 June 2010: a 1.9 L (120 in ) liquid cooled, 4 cylinder, 4 stroke, 8 valve engine, with

3618-566: The situation deepened, the Thierlert board stated on 26 April 2008: "The going concern of Thielert Aircraft Engines GmbH can only be ensured permanently by restructuring activities with the support of investors, due to the fact that the Holding Thielert AG is not capable to do so anymore." The company announced that it would name a new executive board and an interim insolvency trustee. In April 2008 Cessna suspended plans to sell

3685-459: The tropics, and they don't burst into flames on every flight. I think the truth is that everyone was diesel-minded in those days; it seemed as if the diesel engine for aeroplanes was only just around the corner, with the promise of great fuel economy". Hence, the ill-fated diesel-engined R101  — which crashed in 1930 — was to fly to India, though her diesel engines had petrol starter engines, and there had only been time to replace one with

3752-739: Was a German financial holding company that has owned engine development and manufacturing companies. It was headquartered in Hamburg . Companies owned were Thielert Aircraft Engines GmbH with sites in Lichtenstein, Saxony and Altenburg , Thuringia . Thielert AG was quoted on the Frankfurt Stock Exchange and was a member of the SDAX . Founded in 1989, turnover increased from € 3.3 million in 1997 to €16.2 million in 2002, while employees grew from 27 to 112; Thielert Aircraft Engines

3819-531: Was also built with Charomskiy diesel engines. Other manufacturers also experimented with diesel engines in this period, such as the French Bloch (later Dassault Aviation ), whose MB203 bomber prototype used Clerget diesels of radial design. The Royal Aircraft Establishment developed an experimental compression ignition (diesel) version of the Rolls-Royce Condor in 1932, flying it in

3886-681: Was also used in Zeppelins , including the ill-fated LZ 129 Hindenburg . This engine proved unsuitable in military applications and subsequent German aircraft engine development concentrated on gasoline and jet engines. The Soviet World War II-era four-engine strategic bomber Petlyakov Pe-8 was built with Charomskiy ACh-30 diesel engines; but just after the war's end , both its diesels, and gasoline-fueled Mikulin inline V12 engines for surviving Pe-8 airframes were replaced with Shvetsov -designed radial gasoline engines because of efficiency concerns. The Yermolaev Yer-2 long-range medium bomber

3953-633: Was announced for 2008, but its final development was cancelled. New built aircraft equipped with Thielert Centurion engines include: Kits for the installation of retrofit Thielert engines exist for a number of aircraft, including the Piper PA-28 Cherokee and the Cessna 172 for the Centurion 2.0. A Thielert Centurion 2.0 engine also powers an unmanned aerial vehicle , the General Atomics Warrior , an upgraded version of

4020-414: Was bought by Aviation Industry Corporation of China 's Tecnify Motors subsidiary and is currently marketed by Continental Motors. They are based on heavily modified Mercedes-Benz automotive engines. All Centurion engines are liquid-cooled, turbocharged , and employ a single-lever power control (SLPC) associated with a full authority digital engine control (FADEC). This simplifies engine management for

4087-611: Was certified in February 2019. The SR305-230 obtained US FAA certification in July 2002. It is now certified as retrofit on several Cessna 182 models in Europe and the US, and Maule is working toward certification of the M-9-230. SMA's engineering team came from Renault Sport (Formula 1) and designed it from the ground up. SMA develops a 250–300 kW (330–400 hp) six cylinder version,

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4154-399: Was developing a 240 kW (320 hp) TDA CR 3.0 24V. Continental Motors, Inc. of Mobile, Alabama , received on December 19, 2012, a type certification for its Continental CD-230 under the official TD-300-B designation: a turbocharged 4-stroke direct drive flat four air-cooled engine of 4,972 cm (303.4 in ), with direct fuel injection and electronic control unit with

4221-524: Was founded in 1999 to adapt Diesel engine for general aviation , entered Centurion 1.7 serial production in 2002 and had 86 employees in 2003. The main operating unit, Thielert Aircraft Engines GmbH, declared insolvency on 24 April 2008 and was then run by an insolvency administrator, Bruno M. Kübler. The holding company, Thielert AG, also filed insolvency a week later on 30 April 2008 after the loss of its operational unit, Thielert Aircraft Engines GmbH. The holding company ceased operations in autumn of 2008. It

4288-483: Was making a profit and actively seeking new investors. Kübler indicated that major lending institutions have loosened credit enough that investment is more likely than it was in 2008 or 2009. In 2016 Thielert was sentenced to four years in prison for fraud in misrepresenting the value and financial position of the company during attempts to find buyers and investors. In 2017 the Federal Court of Justice overturned

4355-637: Was not a serious prospective buyer and that "Diamond's actions clearly serve the purpose of derogating Thielert's reputation in the naive assumption to be able to subsequently purchase Thielert far under value." As part of its insolvency, Thielert indicated that it would not honor warranties or inspect and replace life-limited parts as was the case when the engines were sold to customers. This change in policy has resulted in Thielert-powered aircraft being grounded or no longer economically viable to fly. In November 2008 Diamond Aircraft CEO Peter Maurer said

4422-401: Was sold in July 2013 to Continental Motors, a subsidiary of Aviation Industry Corporation of China (AVIC). On 6 March 2008 Thielert's financial statements for 2003, 2004 and 2005 were nullified by a Hamburg court, on the basis that the company had breached valuation provisions. As a result of these events the company's stock dropped to a record low of €0.36 from previous highs of €25.22 on

4489-488: Was well known as the manufacturer of the Centurion range of aircraft Diesel engines that run on jet fuel . Two engine models were built, the Centurion 2.0 with a power output of either 135 hp (101 kW) and the Centurion 2.0s with 155 hp (116 kW). The development of the third model, a 350 hp (261 kW) Centurion 4.0 , was not completed. A fourth model, the 230 hp (172 kW) Centurion 3.2

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