All Engines articles – Page 39
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NewsRolls-Royce begins second test effort on lean-burn combustor
Rolls-Royce has begun a second phase of testing on a new low-emission combustion system that will eventually equip its next-generation UltraFan widebody engine.
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NewsChafing protection mystery follows Saab 340 incident
UK investigators have found that anti-chafing measures fitted to a Saab 340 failed to protect an engine condition control cable, leaving the crew unable to adjust its power during a climb out of Carlisle airport last year. The crew encountered difficulties with climb power as the aircraft reached 2,500ft, opting ...
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News2016 engine failure prompts study of ‘high-energy’ engine parts, GE enhances inspections
The US aerospace industry’s trade group has commenced a study into the durability of rotating turbofan components at the request of the Federal Aviation Administration. The study stems from the 2016 failure of a GE Aviation CF6 turbofan on an American Airlines Boeing 767.
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NewsA350-900 operators alerted to Trent XWB-84 blade cracking
Rolls-Royce is attempting to reassure investors and operators of the Airbus A350 over the impact of the latest durability problem to hit its Trent widebody engine family.
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NewsAtlas 747-400F sustains pod-strike on three engines in Shanghai
One of US cargo operator Atlas Air’s Boeing 747-400Fs has sustained a treble engine pod-strike while landing at Shanghai in China. Preliminary information from the US FAA states that the aircraft (N408MC) struck the ground with both left-hand engine pods, as well as the outboard right-hand pod. The 22-year old ...
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In depthUK firm EAG details development roadmap for hybrid-electric regional airliner
A UK company planning to bring a 70-plus-seat hybrid-electric regional aircraft to market by 2028 has laid out its detailed plans for the programme, which will include demonstrator flights from 2024 and will cost a cool $5 billion to bring into series production.
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NewsP&W makes significant cuts to Singapore workforce
Pratt & Whitney, which in recent days refuted rumours that it had axed workers in Singapore, has cut a portion of its workforce in the city-state. The engine-maker, which has been affected by the pandemic-induced economic downturn, says it made the “difficult but necessary decision” to cut “less than ...
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NewsBoom and Rolls-Royce join to study propulsion for supersonic Overture
Rolls-Royce may develop the propulsion system that will power Boom Supersonic’s in-development, conceptual supersonic passenger aircraft Overture.
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NewsSafran slashes Leap output to just 800 engines this year
Engine joint venture CFM International will deliver just 800 Leap-series powerplants this year – a further output reduction on previous forecasts, and a figure lower even than 2019’s first-half total.
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NewsGE Aviation loses thrust as pandemic takes toll
GE Aviation’s sales tumbled by nearly half in the second quarter of 2020 as the industry downturn sapped commercial aircraft engine demand and erased profits.
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NewsP&W says no retrenchments yet at Singapore joint venture
Pratt & Whitney has refuted retrenchment rumours at its Singapore-based joint venture with Singapore Airlines’ engineering arm, as it reiterated its commitment to its capabilities in the city-state. The engine maker responded to Singapore media reports that around 140 Eagle Services Asia (ESA) staff members were axed, saying that ...
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NewsUS plan for aircraft CO2 standards criticised by green groups
The US government has for the first time proposed regulating carbon-dioxide emissions from aviation by adopting ICAO’s aircraft CO2 standard.
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NewsIrkut carries out test installation of PD-14 for MC-21-310
Irkut has completed an initial test installation of the Russian-built Aviadvigatel PD-14 engine on an MC-21-300 rig. The domestically-powered version of the aircraft will be designated the MC-21-310, says state technology corporation Rostec. Installation of the first PD-14 on an MC-21 wing and pylon has been conducted at the Irkutsk ...
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NewsSafran and ZF press ahead with new military turboprop engine development
Partners deepen collaboration on Ardiden 3-derived powerplant as they eye possible pan-European UAV as launch platform.
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NewsMC-21 undergoes series of water-ingestion tests
Russian airframer Irkut has commenced water ingestion tests of the MC-21-300 twinjet on a runway at Ulyanovsk. The tests involve creating a pool of water 70m in length and some 20m wide, with a depth in line with international certification criteria. Irkut states that one of the MC-21 test aircraft ...
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NewsLaminar-flow nacelle being explored for PD-35 engine
Russian researchers are exploring the use of laminar flow to improve the aerodynamic efficiency of nacelles for the planned Aviadvigatel PD-35 engine. The PD-35 is a higher-thrust evolution of the PD-14 – the powerplant for the Irkut MC-21 – and intended for the proposed Russian-Chinese long-haul CRAIC CR929 twinjet. Aviadvigatel ...
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NewsRolls-Royce clears parked 787 backlog after Trent 1000 blade progress
Rolls-Royce has eliminated the backlog of Boeing 787s grounded while they await maintenance in relation to Trent 1000 blade-durability issues. The powerplant manufacturer had expected to reduce the number of 787s awaiting work to single digits by the end of the second quarter of this year. Rolls-Royce says the clearance ...
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AnalysisForget batteries, is hydrogen the holy grail for carbon-free commercial aviation?
While full-electric power may be feasible for short-range urban air mobility designs, a different energy source will be required for larger commercial jets.
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NewsRolls-Royce lays out expectations for ‘subdued’ long-haul market
Rolls-Royce is expecting widebody engine flying hours to recover to around 70% of last year’s levels during 2021, while engine deliveries will remain depressed. It forecasts a 55% overall decline in engine flying hours for widebody aircraft over the course of this year, after a 50% drop in the first ...