Search found 16067 matches

by zeke
Thu Jun 17, 2021 11:04 pm
Forum: Civil Aviation
Topic: CX Working With Airbus on Single-Pilot System for A350 With 2025 EIS
Replies: 254
Views: 22493

Re: CX Working With Airbus on Single-Pilot System for A350 With 2025 EIS

I'm not sure what difference that makes to my point - people often oppose progress. Not always, I am all for sound engineering advancements that improve safety outcomes, these are done with all stakeholders having the views considered and sound risk assessments. Patrick Ky is an air traffic control...

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by zeke
Thu Jun 17, 2021 10:38 pm
Forum: Civil Aviation
Topic: CX Working With Airbus on Single-Pilot System for A350 With 2025 EIS
Replies: 254
Views: 22493

Re: CX Working With Airbus on Single-Pilot System for A350 With 2025 EIS

I'm not sure I take your point. In any event, that part of my post you didn't quote -- the part about single pilot cruise needing to be accepted as being as reliable as single engine operation for 5 1/2 hours -- was my point. I'm not saying that can be done. But it seems to me to be a good benchmar...

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by zeke
Thu Jun 17, 2021 10:12 pm
Forum: Civil Aviation
Topic: CX Working With Airbus on Single-Pilot System for A350 With 2025 EIS
Replies: 254
Views: 22493

Re: CX Working With Airbus on Single-Pilot System for A350 With 2025 EIS

Not to mention you can buy cars today that are a whisker away from being fully autonomous. This isnt true, and most of it comes from the CEO of Tesla, you will find their autopilot developers directly and openly contradicting him over this. Tesla is still a L2 autopilot, a long way from the L5 requ...

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by zeke
Thu Jun 17, 2021 10:07 pm
Forum: Civil Aviation
Topic: CX Working With Airbus on Single-Pilot System for A350 With 2025 EIS
Replies: 254
Views: 22493

Re: CX Working With Airbus on Single-Pilot System for A350 With 2025 EIS

People probably said the same when navigators were removed from the cockpit. Then again when flight engineers were removed.... You will find a lot of airlines actually had pilots doing the navigator and engineer roles, this is where new hires were often placed to learn the ropes before they got a w...

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by zeke
Thu Jun 17, 2021 9:59 pm
Forum: Civil Aviation
Topic: CX Working With Airbus on Single-Pilot System for A350 With 2025 EIS
Replies: 254
Views: 22493

Re: CX Working With Airbus on Single-Pilot System for A350 With 2025 EIS

Airbus would probably have to prove EASA and FAA the new system, with pilots taking a rest halfway, is at least as safe or safer than the current system. The bigger issue will be getting every country that you overfly to agree to the aircraft being flown by less than the minimum number of pilots. A...

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by zeke
Thu Jun 17, 2021 9:50 pm
Forum: Civil Aviation
Topic: CX Working With Airbus on Single-Pilot System for A350 With 2025 EIS
Replies: 254
Views: 22493

Re: CX Working With Airbus on Single-Pilot System for A350 With 2025 EIS

Also with pilot shortages single pilot could help with the shortages. Mind yo I would rather have 2 for many reasons Including a plane as a suicide we heard of a few years back. I think pilot shortages is what is driving this, so many people have left the industry for good during covid. The public ...

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by zeke
Thu Jun 17, 2021 9:39 pm
Forum: Civil Aviation
Topic: CX Working With Airbus on Single-Pilot System for A350 With 2025 EIS
Replies: 254
Views: 22493

Re: CX Working With Airbus on Single-Pilot System for A350 With 2025 EIS

Should be possible. Billions of passengers have reached safely their destination during the last 100 years, sitting in trains driven by single-drivers, protected by rather simplistic dead-man detection solutions. What you are not mentioning is that on long distance train trips they have two drivers...

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by zeke
Thu Jun 17, 2021 9:14 pm
Forum: Civil Aviation
Topic: EU, U.S. Agree to Five-Year Truce in Boeing-Airbus Trade Dispute
Replies: 20
Views: 3460

Re: EU, U.S. Agree to Five-Year Truce in Boeing-Airbus Trade Dispute

So does this mean that DL no long needs to do those weird deliveries via NRT for their A350s? I thought I read the reason for that was to reduce tax liability, there is a technical difference between importing a new aircraft vs a used aircraft. If the aircraft goes via somewhere it no longer is new...

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by zeke
Thu Jun 17, 2021 5:55 am
Forum: Civil Aviation
Topic: CX Working With Airbus on Single-Pilot System for A350 With 2025 EIS
Replies: 254
Views: 22493

Re: CX Working With Airbus on Single-Pilot System for A350 With 2025 EIS

Iluvtofly wrote:
Well if that's the case why is this even being proposed ? There would be no cost saving ....... think about it before making a silly comment


I know the answer to that however I will keep it to myself since my contribution is valued.

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by zeke
Thu Jun 17, 2021 4:52 am
Forum: Civil Aviation
Topic: CX Working With Airbus on Single-Pilot System for A350 With 2025 EIS
Replies: 254
Views: 22493

Re: CX Working With Airbus on Single-Pilot System for A350 With 2025 EIS

hivue wrote:
If it can be, why is this idea worse than ETOPS 330?


Just waiting for you to tell us where MH370 is and what caused that to go missing.

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by zeke
Thu Jun 17, 2021 4:45 am
Forum: Civil Aviation
Topic: EU, U.S. Agree to Five-Year Truce in Boeing-Airbus Trade Dispute
Replies: 20
Views: 3460

Re: EU, U.S. Agree to Five-Year Truce in Boeing-Airbus Trade Dispute

Based on the tanker threads I thought it was shown that a significant percentage of Airbus parts was made in the USA, and that Airbus wanted US production sites to alleviate currency conversion issues, now we find out it was also related to "killing" the constant WTO conflicts. Interestin...

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by zeke
Thu Jun 17, 2021 2:16 am
Forum: Civil Aviation
Topic: EU, U.S. Agree to Five-Year Truce in Boeing-Airbus Trade Dispute
Replies: 20
Views: 3460

Re: EU, U.S. Agree to Five-Year Truce in Boeing-Airbus Trade Dispute

This makes no sense to me. If the concern is keeping China out, shouldn't the agreement allow subsidies in equal amount to spur the development of new cutting edge airliners that China couldn't compete with? This has just about gone full circle, years ago the US and the EU had an agreement on large...

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by zeke
Thu Jun 17, 2021 1:37 am
Forum: Technical/Operations
Topic: Price of Full Motion Simulators
Replies: 7
Views: 2404

Re: Price of Full Motion Simulators

We all know that they are one of the most expensive tools used in the industry, after the airplane itself.(In case of used old aircraft, like 737 classics, their sim can be more expensive than the plane too!) But how come? I am not a corporate manager myself so my knowledge comes from intuition, bu...

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by zeke
Thu Jun 17, 2021 1:30 am
Forum: Technical/Operations
Topic: APU Usage
Replies: 18
Views: 3144

Re: APU Usage

I did a search and couldn't really find anything that answered (I apologize if this is something beaten to death or anything, just couldn't find anything that answered this) so my question is this: I notice airlines often leave APUs on even when they are hooked up to ground power and ACs and such (...

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by zeke
Thu Jun 17, 2021 1:19 am
Forum: Civil Aviation
Topic: CX Working With Airbus on Single-Pilot System for A350 With 2025 EIS
Replies: 254
Views: 22493

Re: CX Working With Airbus on Single-Pilot System for A350 With 2025 EIS

I am curious as to how pay would work in the sense that prior to this taking place, a pilot is expected to be working for a certain portion of the time they are on-board. And, they are paid for that. With this new possible system, a pilot would be on-board and away from home yet not paid for the ti...

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by zeke
Wed Jun 16, 2021 6:43 pm
Forum: Civil Aviation
Topic: CX Working With Airbus on Single-Pilot System for A350 With 2025 EIS
Replies: 254
Views: 22493

Re: CX Working With Airbus on Single-Pilot System for A350 With 2025 EIS

ER757 wrote:
We have a CX pilot on this forum who posts quite often - hoping he'll check in with his :twocents: as it's his company that is involved


First I heard of it was reading it on here…..

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by zeke
Wed Jun 16, 2021 6:10 pm
Forum: Civil Aviation
Topic: Unknown airfield in Turkmenistan ? 777LR
Replies: 9
Views: 2771

Re: Unknown airfield in Turkmenistan ? 777LR

Ah, new airport. Cool. Does anyone know the IATA and ICAO identifiers for it ? I tried a quick look for relevant and could not see any, however there is more I didn’t check. Imagery I say from last week has the runway in the same location as the grass runway in google earth with the same orientatio...

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by zeke
Wed Jun 16, 2021 4:57 pm
Forum: Civil Aviation
Topic: Unknown airfield in Turkmenistan ? 777LR
Replies: 9
Views: 2771

Re: Unknown airfield in Turkmenistan ? 777LR

They were due to open a new airport there next week, I remember reading it was 2700 m. Will have a quick look mat the AIP for details.

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by zeke
Tue Jun 15, 2021 2:56 pm
Forum: Civil Aviation
Topic: A350F. Airbus looking to launch: Looking for customers
Replies: 799
Views: 124513

Re: A350F. Airbus looking to launch: Looking for customers

The current -1000 has OEW around 155 tons, MZFW of 223, MLAW of 236 and MTOW of 319. Extracting 27 tons from the wing box/wing interface will undoubtedly present a challenge, as will developing brakes & gears capable of handling a MLAW 24 tons above present max. I suspect part of the solution m...

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by zeke
Mon Jun 14, 2021 1:08 am
Forum: Civil Aviation
Topic: A350F. Airbus looking to launch: Looking for customers
Replies: 799
Views: 124513

Re: A350F. Airbus looking to launch: Looking for customers

These number are what Airbus showed it's potential customers, according to Leeham news: https://leehamnews.com/2021/04/06/boeings-freighter-dominance-threatened/ The only numbers I saw in that article was estimated 110 tonnes, 5000 nm, and A350F: est 230 ft. The OEW, MZFW etc numbers etc did not co...

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by zeke
Mon Jun 14, 2021 1:01 am
Forum: Civil Aviation
Topic: A350F. Airbus looking to launch: Looking for customers
Replies: 799
Views: 124513

Re: A350F. Airbus looking to launch: Looking for customers

I did say it had changed by then. Have any comments concerning the other two links I posted? Or are you good? Obviously richard quest got those figures from the 2018 deal. Of course you can’t comment on those because it doesn’t suit your narrative It has never been a $10-$20 million difference betw...

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by zeke
Sun Jun 13, 2021 2:37 pm
Forum: Civil Aviation
Topic: A350F. Airbus looking to launch: Looking for customers
Replies: 799
Views: 124513

Re: A350F. Airbus looking to launch: Looking for customers

In my view Boeing should have just slapped the Ge9x on the 77W/L/F and called it a day. The A350F would not compete with that IMHO. I’m not sure if that is possible, one of the changes on the 77X was to move the spanwise location of the engine further from the fuselage. If the proposed A350F can lo...

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by zeke
Sun Jun 13, 2021 2:22 pm
Forum: Civil Aviation
Topic: A350F. Airbus looking to launch: Looking for customers
Replies: 799
Views: 124513

Re: A350F. Airbus looking to launch: Looking for customers

https://www.youtube.com/watch?v=weP8bz4EHyo (even though at this time Boeing had changed it) https://modernairliners.com/boeing-777/boeing-777x/ - this article first came out in 2018 btw https://airwaysmag.com/industry/the-boeing-777x-production-officially-starts/ Towards the end of 2017. - Its obv...

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by zeke
Sat Jun 12, 2021 10:06 am
Forum: Civil Aviation
Topic: A350F. Airbus looking to launch: Looking for customers
Replies: 799
Views: 124513

Re: A350F. Airbus looking to launch: Looking for customers

Sticker price does not mean anything. in 2018 the difference was 10 million dollars in sticker price. That is false and misleading, there has never been a $10 million dollar difference in the A350 and 777X price in 2018. https://jetlinemarvel.net/airbus-boeing-average-list-prices-2018/ A350-1000 go...

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by zeke
Fri Jun 11, 2021 6:51 pm
Forum: Civil Aviation
Topic: A350F. Airbus looking to launch: Looking for customers
Replies: 799
Views: 124513

Re: A350F. Airbus looking to launch: Looking for customers

Secondly. Whatever certification changes will be faced by both OEMs on this matter from what you explain. Since both are “derivatives” Obviously not true as Boeing has not got a 777X base airframe certified, depending on what Airbus wants to,do, they could just develop an STC like they have done on...

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by zeke
Thu Jun 10, 2021 2:00 pm
Forum: Civil Aviation
Topic: Updated: QR finds surface coating cracks in early build A350
Replies: 300
Views: 35948

Re: Bloomberg: Qatar Airways Is in a Mystery Spat with Airbus

In the same article we have a QR statement claiming that the issue was found on "some" jets, meaning more than one. Perhaps QR is concerned that the issue is not due to the painting stripping and that this issue will become more prevalent with time and could become very costly. Perhaps th...

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by zeke
Sun May 30, 2021 8:58 pm
Forum: Civil Aviation
Topic: Ex-Southwest pilot admits lewd act in cockpit mid-flight
Replies: 80
Views: 20707

Re: Ex-Southwest pilot admits lewd act in cockpit mid-flight

Being naked at home in your own bedroom with the curtains open is also indecent exposure in public as others can see you. Correct me if I'm wrong but I'm quite sure, that in Germany this is completely legal and the neighbors have to live with that. My home is my castle. No idea, incident occurred i...

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by zeke
Sun May 30, 2021 3:57 pm
Forum: Civil Aviation
Topic: Tim Clark: Emirates will refuse B777X delivery if not per contract
Replies: 298
Views: 39132

Re: Tim Clark: Emirates will refuse B777X delivery if not per contract

Fine, yet we were talking about the demonstrator which will be the first time the entire UltraFan suite (fan, gear, two-spool core) will all be tried together in one engine instead of the earlier demonstrators that used "known elements with new elements". This is the one the CEO is saying...

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by zeke
Sun May 30, 2021 12:40 am
Forum: Civil Aviation
Topic: Ex-Southwest pilot admits lewd act in cockpit mid-flight
Replies: 80
Views: 20707

Re: Ex-Southwest pilot admits lewd act in cockpit mid-flight

Quote from the BBC article: Haak was charged in Maryland because it was the state that the plane was flying over at the time. He pleaded guilty to intentionally committing a lewd, indecent or obscene act in a public place. I find it a bit surprising, that they call the flight deck / cockpit of a co...

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by zeke
Sun May 30, 2021 12:13 am
Forum: Civil Aviation
Topic: Tim Clark: Emirates will refuse B777X delivery if not per contract
Replies: 298
Views: 39132

Re: Tim Clark: Emirates will refuse B777X delivery if not per contract

UltraFan is a very different architecture than that one, geared two spool rather than three spool. The tech demonstrator won't leave the ground. It's an R&D project. It'll help retire a lot of risk, but then there will be a transition to the actual production articles and those will have their ...

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by zeke
Sat May 29, 2021 3:50 pm
Forum: Civil Aviation
Topic: Tim Clark: Emirates will refuse B777X delivery if not per contract
Replies: 298
Views: 39132

Re: Tim Clark: Emirates will refuse B777X delivery if not per contract

It is funny that as STC whines about 77x progress, immediately some here jump to the conclusion a future derivative of the A350 with an all new RR engine would be seamless and meet contractual goals/timelines for EK as a substitute. LOL. As far as everyone is aware the A350 EIS has been pretty seam...

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by zeke
Sat May 29, 2021 3:45 pm
Forum: Civil Aviation
Topic: Russia denies entry to AF and OS flights to SVO and DME
Replies: 56
Views: 13934

Re: Russia denies entry to AF and OS flights to SVO and DME

What do you mean by that? Don’t foreign carriers use that same airways as Chinese carriers do? If you like think of some airways as being only available to domestic carriers and others available to everyone. The AIP lists airways which are available for entry and transit, that is only a small subse...

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by zeke
Sat May 29, 2021 2:21 am
Forum: Civil Aviation
Topic: Russia denies entry to AF and OS flights to SVO and DME
Replies: 56
Views: 13934

Re: Russia denies entry to AF and OS flights to SVO and DME

Is this true? That’s some wicked inflexibility and it’s the only country then that I’ve heard of doing that. What happens if there is weather over that routing? The flight cancels? What if there’s severe turbulence? Cancel? Flight plans are filed a couple hours in advance, not days, weeks, or month...

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by zeke
Sat May 29, 2021 1:43 am
Forum: Civil Aviation
Topic: Bloomberg: Airbus Backs Lightweight Wing to Preserve Its Lead Over Boeing
Replies: 224
Views: 33304

Re: Bloomberg: Airbus Backs Lightweight Wing to Preserve Its Lead Over Boeing

The new wing is supposed to be cheaper to produce and A is happy to convert some existing 321 orders into NWO model because customers are paying extra for something that is cheaper to produce . Even if there is no extra orders and zero changes to production slots this is a win for A. More money in....

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by zeke
Wed May 26, 2021 3:21 pm
Forum: Civil Aviation
Topic: Bloomberg: Airbus Backs Lightweight Wing to Preserve Its Lead Over Boeing
Replies: 224
Views: 33304

Re: Bloomberg: Airbus Backs Lightweight Wing to Preserve Its Lead Over Boeing

The thing is, as I see it, is that the technology to produce the things cheaper is quite closely tied to the rate of production. Cars are cheaper to produce not because of the robotics used but because the scale of production allows the robotics to be a worthwhile investment. Yes and no, one of the...

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by zeke
Wed May 26, 2021 1:44 pm
Forum: Civil Aviation
Topic: Bloomberg: Airbus Backs Lightweight Wing to Preserve Its Lead Over Boeing
Replies: 224
Views: 33304

Re: Bloomberg: Airbus Backs Lightweight Wing to Preserve Its Lead Over Boeing

Within the context of course that significant gains in production efficiency can only be achieved on new-programme airframes from Boeing ..... :duck: Rgds Yeah I thought Airbus was playing a long game buying the A220 for $1, that A220 dry layup technology has the potential to go from automatic tape...

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by zeke
Wed May 26, 2021 12:59 pm
Forum: Civil Aviation
Topic: Bloomberg: Airbus Backs Lightweight Wing to Preserve Its Lead Over Boeing
Replies: 224
Views: 33304

Re: Bloomberg: Airbus Backs Lightweight Wing to Preserve Its Lead Over Boeing

I think the problem with folding wingtips is it moves the aileron further inboard which subsequently reduces flap size. Certifying a folding wingtip where the aileron folds is probably nearly impossible for a commercial airplane given the reliability requirements in FAR 25.1309. If the aileron is f...

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by zeke
Wed May 26, 2021 1:45 am
Forum: Civil Aviation
Topic: Tim Clark: Emirates will refuse B777X delivery if not per contract
Replies: 298
Views: 39132

Re: Tim Clark: Emirates will refuse B777X delivery if not per contract

I saw the video in the link the OP posted, I didn't see anything in there that was controversial, the written article I feel made it sounds more hyped up. Typically every contract with Boeing will have a clause in it saying "Boeing will furnish to Buyer, as soon as practicable, flight test data...

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by zeke
Thu May 20, 2021 10:54 pm
Forum: Civil Aviation
Topic: Aircraft Values, And Lease Pricing - Spring 2021
Replies: 47
Views: 8902

Re: Aircraft Values, And Lease Pricing - Spring 2021

ScottB wrote:
Eh, you're comparing aircraft which are likely a couple of years old with ones that are 15-17 years old. Value of the 77W should hold up reasonably well going forward because it can haul a bunch of cargo along with the passengers.


The 77W low end values are literally below the parted out value.

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by zeke
Thu May 20, 2021 1:31 am
Forum: Civil Aviation
Topic: Sriwijaya Air 737-500 (SJ182 CGK-PNK) crashes shortly after takeoff
Replies: 866
Views: 255136

Re: Sriwijaya Air 737-500 (SJ182 CGK-PNK) crashes shortly after takeoff

I fly the 737 in the US. We do not intentionally penetrate thunderstorms. We disconnect automation in turbulence that is severe or greater. SJ182 wouldn’t have crashed if they followed those guidelines. Nothing you have said in this thread changes that. They didn’t enter a thunderstorm either, they...

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by zeke
Wed May 19, 2021 10:30 pm
Forum: Civil Aviation
Topic: Aircraft Values, And Lease Pricing - Spring 2021
Replies: 47
Views: 8902

Re: Aircraft Values, And Lease Pricing - Spring 2021

I think the challenge for A388s goes far deeper than financing. There's basically zero demand for used A380s. Even carriers who own their examples don't have clear plans for when they will return them to active use, if they will even do so at all. Zero demand for any large passenger aircraft at the...

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by zeke
Wed May 19, 2021 10:26 pm
Forum: Civil Aviation
Topic: Sriwijaya Air 737-500 (SJ182 CGK-PNK) crashes shortly after takeoff
Replies: 866
Views: 255136

Re: Sriwijaya Air 737-500 (SJ182 CGK-PNK) crashes shortly after takeoff

Which still leaves us with the crew failing to monitor the aircraft. It was not a sudden change of thrust. It was a steady though perhaps gradual change that at least one of the crew should have noticed during their scans (if they were doing so). There is no way that thrust differential should have...

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by zeke
Wed May 19, 2021 10:23 pm
Forum: Civil Aviation
Topic: Sriwijaya Air 737-500 (SJ182 CGK-PNK) crashes shortly after takeoff
Replies: 866
Views: 255136

Re: Sriwijaya Air 737-500 (SJ182 CGK-PNK) crashes shortly after takeoff

FLYBY72 wrote:
Recover is only not possible if you leave the stuck throttle at full power.


Climb thrust is not "full power"

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by zeke
Wed May 19, 2021 10:22 pm
Forum: Civil Aviation
Topic: Sriwijaya Air 737-500 (SJ182 CGK-PNK) crashes shortly after takeoff
Replies: 866
Views: 255136

Re: Sriwijaya Air 737-500 (SJ182 CGK-PNK) crashes shortly after takeoff

Isnt it amazing that there are thunderstorms every day around the globe and professional pilots manage to not fly into them? Use of autopilot in extreme weather is actually not recommended as it can impose excessive loads on the aircraft structure. Does that have to be stated in the AFM? I dont thi...

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by zeke
Wed May 19, 2021 2:26 pm
Forum: Civil Aviation
Topic: Sriwijaya Air 737-500 (SJ182 CGK-PNK) crashes shortly after takeoff
Replies: 866
Views: 255136

Re: Sriwijaya Air 737-500 (SJ182 CGK-PNK) crashes shortly after takeoff

Except it did happen in this event. It did, the autopilot only disengages when the maximum authority is reached and it is exceeded, and when it is reached the control inputs go back from the maximum deflection to neutral, ie equivalate to a full opposite input while at the same time have idle thrus...

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by zeke
Wed May 19, 2021 2:09 pm
Forum: Civil Aviation
Topic: Sriwijaya Air 737-500 (SJ182 CGK-PNK) crashes shortly after takeoff
Replies: 866
Views: 255136

Re: Sriwijaya Air 737-500 (SJ182 CGK-PNK) crashes shortly after takeoff

When the 737 autothrottles aren’t behaving as desired...which is often tbh...the pilots normally intervene by overpowering the servos or disconnecting the a/t. What is required under FAR 25 is when the autopiltot or autothrottle misbehaves it disconnects gracefully and generates a warning, if you a...

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by zeke
Wed May 19, 2021 8:41 am
Forum: Civil Aviation
Topic: Sriwijaya Air 737-500 (SJ182 CGK-PNK) crashes shortly after takeoff
Replies: 866
Views: 255136

Re: Sriwijaya Air 737-500 (SJ182 CGK-PNK) crashes shortly after takeoff

I don't think anybody has conclusively-shown that the autothrottle "malfunctioned" as opposed to the lever stuck and the autopilot system being one that monitors total thrust ended up advancing the non-stuck throttle to maintain total thrust. The autothrottle on the side that was moving w...

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by zeke
Wed May 19, 2021 12:15 am
Forum: Civil Aviation
Topic: Sriwijaya Air 737-500 (SJ182 CGK-PNK) crashes shortly after takeoff
Replies: 866
Views: 255136

Re: Sriwijaya Air 737-500 (SJ182 CGK-PNK) crashes shortly after takeoff

Latest info: While the FAA has said there is as yet no evidence to suggest that the autothrottle problem could be replicated in other aircraft, it has now informed operators of over 1,041 737-300, -400, and -500 Classic series aircraft to inspect the wiring of their own systems. The FAA will soon a...

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by zeke
Sat May 15, 2021 3:47 pm
Forum: Civil Aviation
Topic: Tri-wing concept claims to cut fuel consumption by 70%
Replies: 76
Views: 12792

Re: Tri-wing concept claims to cut fuel consumption by 70%

No way that wing will do M0.9 without sweep Wing is seemingly inspired by U-2, which was flying on 0.75 range. It had a relatively high L/D=24, which these guys say can be increased to almost 40, low wing loading of 200 kg/m2, and flew as high as 70 k feet (50k listed for triwing) An instant proble...

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by zeke
Sat May 15, 2021 2:29 pm
Forum: Civil Aviation
Topic: Tri-wing concept claims to cut fuel consumption by 70%
Replies: 76
Views: 12792

Re: Tri-wing concept claims to cut fuel consumption by 70%

No way that wing will do M0.9 without sweep

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