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RE: Urban Air Mobility (UAM) & Advanced Air Mobility (AAM) general discussion / news
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Hey I'm new here. Dear forum participants, I need your help in some research that I conduct as part of the course work at samedayessay.com I need information on the development of air transport and some examples of future transport. Help with this please, I don’t even know where to look for help. Write in private messages if you can help. Regards, Jeremy.



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retroistic wrote:
Rafale D wrote:

Sort of a cynical way of looking at it. 


 It's the logical way of looking at it. Yes, the Air Force wants the flying car to hurry up an happen and yes, they want it done right by people who know what they're doing instead of some random startup that oversell unreachable development goals, but in the end it all comes down to exclusivity and the potential for military application. Common sense: they wouldn't just support an initiative (or hell start their own offshoot) on the grounds of innovation alone, it has to also appeal to their mission.


 I believe that It's a bit of everything. It's not exactly a secret, they make it pretty clear that they have interest in the potential for military use since it can impact their mission, just see for yourself in some of the articles that Leela posted. AOI-1 throug 3 specify their design standards. There is no debate to be had here haha.



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New development Sabrewing Rhaelgal RG-1 rolled out during the Agility Prime launch...



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Pepper wrote:

New development Sabrewing Rhaelgal RG-1 rolled out during the Agility Prime launch...


 

https://evtol.news/aircraft/sabrewing-rhaegal-uas/

https://evtol.com/news/sabrewing-rhaegal-launch-agility-prime/



-- Edited by Stingray on Monday 1st of June 2020 10:56:24 PM

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EASA continues to advance eVTOL certification framework with proposed means of compliance

https://evtol.com/news/easa-evtol-certification-means-of-compliance/

Tuesday May 26, 2020

The European Union Aviation Safety Agency (EASA) has published proposed means of compliance (MOCs) for eVTOL certification, the latest milestone in its effort to establish an entirely new certification framework for these novel types of aircraft.

Released on May 25, the proposed methods provide detailed guidance for how to demonstrate the safety of eVTOL aircraft and systems, addressing such topics as the structural design envelope, flight load conditions, handling qualities, crash safety, capability after bird impact, and the design of fly-by-wire control systems. EASA is inviting all interested parties to review the means of compliance and provide comments.

According to EASA, the MOCs constitute the third “building block” in its roadmap to enable the safe introduction of hybrid and fully electric VTOL aircraft. The first building block is the “Special Condition for Small-Category VTOL Aircraft” (SC-VTOL) issued in July 2019. The second is a proposed special condition for electric and hybrid propulsion systems, which is open for comments through June 19, 2020.

As EASA explained, while SC-VTOL establishes the safety and design objectives for novel eVTOL aircraft, it does not outline how aircraft developers can demonstrate compliance with those objectives. The 85-page document released this week includes specific guidance for doing exactly that.

The proposed MOCs, while extensive, are not comprehensive. “The first issue of the MOCs mostly concerns subjects that are considered to drive basic design choices and have a higher safety impact on the overall VTOL aircraft architecture. Successive issues of this MOC document will include new MOCs as well as supplements to the existing ones,” the document states.

Moreover, EASA acknowledges that early certification experiences may yield “better insight into the particular characteristics” of eVTOL aircraft, “which might result in modifications of particular elements of the first MOCs that are issued,” according to the document.

In pushing to establish and clarify eVTOL certification standards at this early stage of the industry’s development, EASA aims to “establish a level playing field” and ensure that all designs achieve “a comparable level of safety.” However, other regulators — notably the U.S. Federal Aviation Administration (FAA) — are taking a different approach to certifying eVTOL aircraft.

“While the FAA plans primarily to use the inherent flexibility of Part 23 Amendment 64, so no new regulations are required, EASA has taken the opposite approach of building a whole new regulatory framework from scratch,” explained Vertical Flight Society (VFS) executive director Mike Hirschberg, who last year questioned whether EASA “jumped the gun” with SC-VTOL.

“With this third proposed regulatory document, EASA has again shown its alacrity in building a framework for certificating eVTOL within the European Union,” he said.

EASA detailed the approach behind SC-VTOL at its 2019 Rotorcraft & VTOL Symposium in December, and video recordings of those presentations are available on the agency’s YouTube channel. EASA said its next package of guidance material will be presented during the 2020 edition of the symposium, scheduled for Nov. 10-12 as part of the new rotorcraft event European Rotors.



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Kitty Hawk steps away from its personal eVTOL, Flyer

https://evtol.com/news/kitty-hawk-ends-flyer-evtol-program/

Wednesday June 3, 2020

Kitty Hawk has announced it will be ceasing work on its Flyer personal eVTOL in order to “double down” on its primary eVTOL platform, Heaviside.

Kitty Hawk CEO Sebastian Thrun and Flyer president Alex Roetter explained their decision in a June 3 blog post titled “Our Next Chapter.”

“Today, we are winding down the Flyer project,” they wrote, pointing to more than 25,000 successful crewed and uncrewed flights with a total of 111 aircraft since the program launched nearly five years ago. More than 75 people flew the ultralight eVTOL aircraft, most of them novice pilots.

“We have learned what we needed from it  —  things like vehicle design and testing, manufacturing aircraft, and most of all, how humans would experience eVTOL,” they continued. “We are proud to have built the first electrically powered VTOL aircraft in the world flown by non-pilots. Just as with our earlier Cora aircraft, Flyer is clearly a milestone in the history of Kitty Hawk and eVTOL vehicles.”

Now, the company plans to focus on its winged Heaviside eVTOL, which is targeting a range of 100 miles (160 kilometers), speeds of up to 180 mph (290 km/h), and the ability to fly over cities. Like other players in the urban air mobility space, Kitty Hawk has stated that its long-term goal is “to free the world from traffic.”

In December, Forbes published an exposé on Kitty Hawk detailing “technical problems and safety issues with Flyer and unresolved questions about its practical use.” At the time, Kitty Hawk said that it had moved to seeing the single-seat Flyer as the basis for a ride-sharing transportation service, rather than a vehicle for individual purchase as originally intended.

Meanwhile, Kitty Hawk entered into a joint venture with Boeing, called Wisk, to develop its autonomous Cora eVTOL.

“Going forward, we are doubling down on Heaviside as our primary platform,” Thrun and Roetter stated in their blog post, referring to the larger single-seat eVTOL that was unveiled in October 2019. However, that program has also had some challenges, as the prototype was substantially damaged in a crash caused by a software timing error just two weeks after it was revealed to the public.



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Beta and Joby advance in U.S. Air Force Agility Prime campaign

https://evtol.com/news/beta-joby-advance-air-force-agility-prime/

Saturday May 30, 2020

The eVTOL developers Beta Technologies and Joby Aviation are on their way to conducting flight testing with the U.S. Air Force as part of the Agility Prime “air race to certification.”

The Air Force announced on May 29 that both Beta, based in Vermont, and Joby, of California, have advanced to the third phase of an innovative capabilities opening (ICO) that was released in February through Agility Prime, the Air Force’s initiative to accelerate development of the commercial eVTOL industry.

This so-called air race to certification aims to provide eVTOL developers with financial and in-kind resources to further their progress toward certifying their commercial vehicles. The Air Force is seeking to acquire at least 30 such aircraft in the near term for a variety of potential logistics applications.

Both Beta and Joby took part in the first “heat” of the air race, Area of Interest One (AOI-1). This competitive solicitation, released with the ICO, sought vehicles capable of carrying three to eight people at least 100 miles (160 kilometers) at speeds of at least 100 mph, with first flight taking place before the end of this year. (Additional solicitations have since been released for AOI-2, eVTOLs that can carry one to two people; and AOI-3, large cargo drones.)

In the first phase of the process, Beta and Joby submitted “solutions briefs,” which led to a second phase in which the Air Force engaged with them directly to assess their vehicles’ commercial viability, operational utility, technical readiness level, certification path, timelines, needs, and opportunities.

Now, in phase three, Beta and Joby may submit full written proposals for the potential award of an “Other Transaction for Prototype” (OTP) agreement. This can include collaborative test planning and offering of test assets and expertise, with the intent of leveraging the campaign for airworthiness authorization and, potentially, procurement.

“We are pleased by the great response from industry and are looking forward to exercising our rapid contracting vehicle,” stated Lynda Rutledge, program executive officer for Mobility and Training Aircraft, in an Air Force press release.

Beta and Joby are among the most advanced and well-funded eVTOL developers in an increasingly crowded market. Joby unveiled its prototype air taxi in January of this year, when it also announced $590 million in Series C funding, the bulk of that from Toyota Motor Corp.

Beta — which has already conducted an extensive flight test campaign with its Ava XC prototype — is now poised to reveal its new eVTOL, called ALIA. It has a launch customer in United Therapeutics, which plans to use the 6,000-pound (2,720-kilogram) aircraft to transport human organs.

According to Agility Prime Team lead Col. Nathan Diller, “With the progress of these first two partners, we are looking forward to quickly moving on to airworthiness assessments and flight test this year, as well as working with other partners in the new Areas of Interest.”



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Pepper wrote:

New development Sabrewing Rhaelgal RG-1 rolled out during the Agility Prime launch...


 OMG are they seriously going with this nose design?? with tyhe rotor ducts attached????

alternatively there is a CTOL variant planned where this design is more feasible imo



-- Edited by Leela25 on Monday 8th of June 2020 01:47:11 PM

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Yeah that looks... sketchy.



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It looks like a prototype was flight tested but without the cargo provisions, but they kept the rotor config where the hinged nose would be so I guess they have a lot of faith in the concept. Better it was even tested without a tether according to the pics, so it seems pretty far along.



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Leela25 wrote:
Pepper wrote:

New development Sabrewing Rhaelgal RG-1 rolled out during the Agility Prime launch...


 OMG are they seriously going with this nose design?? with tyhe rotor ducts attached????


 

I don't really understand why that's such a big deal considering loading/unloading would be on the ground in low power and they probably would reinforce the hinge mechanism on the nose to support the rotors. Doesn't seem that concerning to me, but I admit that I don't really have the engineering knowledge that you guys have, so if someone can explain it to me that would be much appreciated.



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Pepper wrote:

It looks like a prototype was flight tested but without the cargo provisions, but they kept the rotor config where the hinged nose would be so I guess they have a lot of faith in the concept. Better it was even tested without a tether according to the pics, so it seems pretty far along.


 PS BS there were no flight tests yet! those pics are publicity fakes. Testing starts when the covid crap is over, which is not likely to be soon. :P

 

Stingray wrote:
Leela25 wrote:
Pepper wrote:

New development Sabrewing Rhaelgal RG-1 rolled out during the Agility Prime launch...


 OMG are they seriously going with this nose design?? with tyhe rotor ducts attached????


 

I don't really understand why that's such a big deal considering loading/unloading would be on the ground in low power and they probably would reinforce the hinge mechanism on the nose to support the rotors. Doesn't seem that concerning to me, but I admit that I don't really have the engineering knowledge that you guys have, so if someone can explain it to me that would be much appreciated.


 Its not so much about supporting the rotor ducts or the swiveling mechanics of the nose, but more of attachment points supporting the weight of the airframe plus cargo... since the ducts are mounted on the nose the forces of lift and weight are burdened on it and any latches securing it. I would hope that it would be reinforced or its life of ferrying cargo will be quite short. They will learn during the flight tests if they havent addressed this issue already. :P



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The real Rhaegal-A prototype and the earlier scale model demo



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Leela25 wrote:
Pepper wrote:

It looks like a prototype was flight tested but without the cargo provisions, but they kept the rotor config where the hinged nose would be so I guess they have a lot of faith in the concept. Better it was even tested without a tether according to the pics, so it seems pretty far along.


 PS BS there were no flight tests yet! those pics are publicity fakes. Testing starts when the covid crap is over, which is not likely to be soon. :P


 I was womdering why I couldn't see reflections of ground crew or anyone that took the pics. 



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I am optimistic about it. But what I am wondering is if anything is going do be done about noise pollution. Annoying would not even begin to describe a sky full of loud eVTOLs flying over your head. If it can kill the Rotodyne think about what that means for commercial eVTOL.



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I didn't even think about that. With how loud some of these aircraft are, cities would probably sound like bee hives!



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Leela25 wrote:
Stingray wrote:
I don't really understand why that's such a big deal considering loading/unloading would be on the ground in low power and they probably would reinforce the hinge mechanism on the nose to support the rotors. Doesn't seem that concerning to me, but I admit that I don't really have the engineering knowledge that you guys have, so if someone can explain it to me that would be much appreciated.

 Its not so much about supporting the rotor ducts or the swiveling mechanics of the nose, but more of attachment points supporting the weight of the airframe plus cargo... since the ducts are mounted on the nose the forces of lift and weight are burdened on it and any latches securing it. I would hope that it would be reinforced or its life of ferrying cargo will be quite short. They will learn during the flight tests if they havent addressed this issue already. :P


 

Ah, okay. Thanks.



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Fornax wrote:

I am optimistic about it. But what I am wondering is if anything is going do be done about noise pollution. Annoying would not even begin to describe a sky full of loud eVTOLs flying over your head. If it can kill the Rotodyne think about what that means for commercial eVTOL.


 It seems like a lot of these proposals are meant for special landing spots, mostly for rooftops and airports like normal helis. So the noise levels might not be so bad depending on the altitude/distance they are at plus eVTOL PAVs would inherently be sooooo much quieter than the Rotodyne was with its engine type.



-- Edited by Leela25 on Friday 12th of June 2020 02:58:58 PM

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"Orb" does roll off the tongue better that PAV... unless you were to make PAV a pronunceable acronym, but that would be weird. No weirder than "Orb" but still weird.



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https://amp.dw.com/en/german-flying-car-startup-tesla-spacex/a-53759669

https://newatlas.com/aircraft/wisk-cora-covid-flight-test/?amp=true



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