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European High Speed Rotorcraft

yasotay

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For those of us who are interested in seeing vertical aviation move forward out of its biplane stage, this is very encouraging.

Looks for Lead in Fast Rotors
Posted by Graham Warwick 10:44 PM on Jan 28, 2014

Europe's rotorcraft industry has high hopes for the planned Clean Sky 2 public-private research program. Clean Sky 2 is expected to include not one, but two fast rotorcraft flight demonstrators, one led by AgustaWestland and the other by the company formerly known as Eurocopter (now Airbus Helicopters).

Clean Sky 2 is planned to run from 2014 to 2023 with €4.05 billion ($5.55 billion) in funding -- €1.8 billion from the European Union and the rest from industry. For both manufacturers, the program is a chance to keep pace in fast-rotorcraft development with the U.S., which plans to fly two demonstrators under the Army's Joint Multi Role (JMR) program.

As Clean Sky managers tour Europe briefing industry and academia on the plans for Clean Sky 2, now in the political approval phase, leaders of the proposed fast-rotorcraft integrated aircraft demonstrator program (IADP) are providing glimpses into the different objectives behind the two vehicles they plan to fly before the end of this decade.

Outer wings and proprotors tilt, engines remain fixed (Concepts: Clean Sky)

AgustaWestland will lead design of a second-generation tiltrotor -- the first generation being the company's AW609, a design acquired from former partner Bell Helicopter. The flight demonstrator will aim to validate a tiltorotor configuration in which the outer wing panels tilt with the proprotors while the inner wing sections stay fixed. The engines may or may not remain fixed while the proprotors tilt.

This configuration promises to increase efficiency in both helicopter and aeroplane modes, allowing a longer-span wing for lower drag in cruise flight while minimizing rotor download on the wing in vertical flight. Karem Aircraft uses a similar approach in its tiltrotor for JMR, while Bell uses fixed engines/tilting proprotors in its design for the US Army program.

Or tip-mounted nacelles tilt with outer wings (Concept: Clean Sky)

AgustaWestland is aiming for a cruise speed exceeding 300kt, allowing the pressurized aircraft to fly 250nm in under 1hr 45min on search-and-rescue and medical missions. The proposed schedule calls for a critical design review in first-half 2016, demonstrator first flight in mid-2019, reaching TRL 6 by the end of 2022 ready to transition to a certification program beginning in 2033.

Airbus Helicopters' concept artwork for the second fast-rotorcraft demonstrator, LifeRCraft, is more generic, showing a swoopy notional follow-on Eurocopter's X3 compound-helicopter testbed. The objectives under the IADP include combining a cruise speed of 220kt with hover performance as least as good as a conventional helicopter, while lowering noise and emissions.

Tractor- (top) or pusher-prop compound configurations (Concepts: Clean Sky)

LifeRCraft has the same architecture as the X3, with two (tractor or pusher) propellers at the tips of short wings driven from the same gearbox as the single main rotor. Sikorsky's compound helicopter for JMR has coaxial rigid main rotors and a single rear propulsor, while AVX's has coaxial rotors and ducted fans. The goal under Clean Sky 2 is to take the Eurocopter/Airbus compound helicopter to TRL 6 by 2020.

More X3-like LifeRCraft in action (Concept: Clean Sky)
 

VTOLicious

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2 presentations of the CleanSky2 information day attached!
  • Fast Rotorcraft IADP: LifeRCraft Compound Rotorcraft
  • Fast Rotorcraft IADP - Tiltrotor
...from the CleanSky HP: http://www.cleansky.eu/search/node/rotorcraft

Edit: Attachment too big :mad: , check it out the links:
http://www.cleansky.eu/sites/default/files/documents/cs2/2a-_20140123_cs2_fast_rotorcraft_-_lifercraft_iadp_vienna.pdf
http://www.cleansky.eu/sites/default/files/documents/cs2/2b_-_20140123_cs2_fast_rotorcraft_tiltrotor_iadp_vienna.pdf

BR Michael
 

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Triton

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AgustaWestland Next Generation Civil Tilt Rotor (NGCTR)

Source:
http://www.aviationtoday.com/categories/military/AgustaWestland-CEO-Romiti-Full-of-Surprises-for-Heli-Expo_81404.html
http://www.shephardmedia.com/news/archive/2014/02/
 

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Triton

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Artist's impressions of AgustaWestland NGCTR

Source:
http://www.aviationweek.com/Blogs.aspx?plckBlogId=Blog:7a78f54e-b3dd-4fa6-ae6e-dff2ffd7bdbb&plckPostId=Blog:7a78f54e-b3dd-4fa6-ae6e-dff2ffd7bdbbPost:5a152edc-dcd8-4a55-8d5d-312966fe692c
 

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Triton

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"FARNBOROUGH: Airbus leads Clean Sky 2 rotorcraft development effort"
By: Kate Sarsfield

Source:
http://www.flightglobal.com/news/articles/farnborough-airbus-leads-clean-sky-2-rotorcraft-development-401683/

Airbus Helicopters is planning a rapid return for the technology employed on its record-breaking X3 compound rotorcraft demonstrator that flew off into graceful retirement last month.

During an almost three-year test campaign the X3 - which features a pair of propellers mounted on stubby wings alongside a set of standard rotors on a AS365 Dauphin fuselage - captured numerous speed records, with the rotorcraft being taken to 255kt (472km/h) on 7 June last year.

It has since been handed over to France's Musée de l’Air et de l’Espace at Paris Le Bourget airport.

But now Airbus Helicopters will utilise the technologies validated during the X3's 155h of flights to lead the development of a brand-new high-speed rotorcraft under the auspices of the European Commission's Clean Sky 2 programme, which was given the green light last week.

Dubbed LifeRcraft by the airframer - or low impact fast and efficient rotorcraft - it is targeting a cruise speed of 220kt. Clean Sky 2 calls for preliminary studies, architecture and specifications this year with development and testing of components and subsystems envisioned in the 2016-2018 timeframe, says the airframer. Flight evaluations could start in early 2019, it says.

“There is a lot of value in the application of compound helicopters not only in terms of performance, but they also offer a high level of safety and reliability,” said Airbus Helicopters chief executive Guillame Faury in a Farnborough briefing. “In hostile environments, such as search and rescue, coastguard and border patrol and offshore operations, these characteristics are vital.”

Launched in 2008, Clean Sky is a multi-year partnership involving the European Commission and Europe’s aviation industry. It is designed develop the technologies that will enable the next generation of low emission and low noise aircraft.

Clean Sky 2 is planned to run from 2014 to 2023 with €4.05 billion ($5.55 billion) in funding - €1.8 billion from the European Union and the rest from industry.

Meanwhile, Faury says the airframer is determined to repair its reputation following the ditching of two EC225s in the North Sea in May and October 2012 which led to an eight-month fleet-wide grounding. The cause of the two incidents was later traced to failure of the bevel gear vertical shaft in the helicopter’s main gearbox.

“We have used this [intervening] period to challenge ourselves,” he says. “We have learned a lesson and we are always striving to raise the bar in terms of customer service and quality of our products.”

Airbus Helicopters has already begun to retrofit the key gearbox component across the 11t type’s global fleet and all Super Pumas manufactured from the beginning of July are fitted with a redesigned shaft that incorporates a number of safety improvements.
 

Triton

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Artist's impressions of Airbus Helicopters Clean Sky 2 concept.

Source:
http://www.emergency-live.com/en/equipment/airbus-helicopters-advances-clean-sky-2-high-speed-efficient-rotorcraft-demonstrator-gallery/
 

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Triton

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From Graham Warwick on Twitter posted 4:58 PM - 13 Jul 2016

Model of Leonardo Next Generation Civil Tilt Rotor for Clean Sky 2 Fast Rotorcraft program - @cleansky_ju #FIA16


https://twitter.com/TheWoracle/status/753378018224070656
 

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Triton

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Artist's impressions of Airbus Helicopter Clean Sky 2 hybrid rotorcraft concept.

Source:
http://www.airbushelicopters.com/website/en/ref/Clean-Sky-2_384.html
http://www.emergency-live.com/en/equipment/airbus-helicopters-advances-clean-sky-2-high-speed-efficient-rotorcraft-demonstrator-gallery/
 

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yasotay

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Take a look at the Clean Sky 2 Inforgraphic (first picture posted just above by Triton). In the bottom right corner, under the PARAPUBLIC post, there appears to be another concept that shows a single rotor helicopter with no wings and (my guess) a rotating prop/tail rotor.
 

CJGibson

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I have a question about moving the self-loading cargo on and off the Airbus aircraft.

Do the propellers stop turning while the passengers are embarking and disembarking?

Chris
 

yasotay

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CJGibson said:
I have a question about moving the self-loading cargo on and off the Airbus aircraft.

Do the propellers stop turning while the passengers are embarking and disembarking?

Chris

One would hope so. Highly likely I would think.
 

_Del_

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yasotay said:
Take a look at the Clean Sky 2 Inforgraphic (first picture posted just above by Triton). In the bottom right corner, under the PARAPUBLIC post, there appears to be another concept that shows a single rotor helicopter with no wings and (my guess) a rotating prop/tail rotor.

I think it's the same design coming toward you, not travelling away. You're only seeing one wing-mounted prop because of the angle. ( though the tail-unit looks inverted now that I'm examining it)
 

Triton

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Those with Aviation Week subscriptions, enjoy!

"Airbus Moves Ahead With Clean Sky 2 Demonstrator"
Airbus targets greener high-speed rotorborne flight

Tony Osbourne
Mar 3, 2017

Source:
http://aviationweek.com/vertical-flight/airbus-moves-ahead-clean-sky-2-demonstrator

When Airbus Helicopters flies its Clean Sky 2 technology demonstrator in 2020, it is gambling not just on the future of its high-speed rotorcraft capabilities but also on a unique approach to saving fuel. Embedded in the architecture will be an “eco” or single-engine operative (SEO) mode, which will allow the twin-engine compound helicopter to shut down one of its engines while in cruise to save fuel, and spool it back up again rapidly as it enters hover or another critical ...
 

Triton

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"Leonardo’s Next-Gen Tiltrotor Targeting 2023 First Flight"
Tiltrotor technology demonstrator to focus on five key developments
Mar 3, 2017 Tony Osborne | Aviation Week & Space Technology

Source:
http://aviationweek.com/aviation-week-space-technology/leonardo-s-next-gen-tiltrotor-targeting-2023-first-flight

With certification of its AW609 commercial tiltrotor finally in sight, Leonardo is now embarking on the next step of its tiltrotor journey. Backed by the European Union’s Clean Sky 2 aeronautical research program, the Anglo-Italian aerospace and defense company is now putting the finishing touches to the architecture it envisions will shape its next tiltrotor product and potentially give Europe the lead in fast civil rotorcraft. “Under Clean Sky 2, the key technologies ...
 

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Triton

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Model of Leonardo Next Generation Civil TiltRotor (NGCTR)

Source:
http://www.leonardocompany.com/en/-/photogallery-static
http://www.portaledifesa.it/forum/showthread.php?tid=523&pid=73990
 

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