Search found 1967 matches

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by RJMAZ
Thu Aug 06, 2020 3:57 am
Forum: Military Aviation & Space Flight
Topic: The C130 and CH47, obsolete proof ?
Replies: 29
Views: 2171

Re: The C130 and CH47, obsolete proof ?

I really doubt a re-engined C-130 will be rolled out soon. The AE2100 doesn’t really have much competition in the market, and I’m not sure that a dissimilar engine would really help win more sales for Lockheed, or be well received by USAF. But maybe I’m wrong, what other engines in development/avai...

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by RJMAZ
Sun Aug 02, 2020 12:34 pm
Forum: Military Aviation & Space Flight
Topic: The C130 and CH47, obsolete proof ?
Replies: 29
Views: 2171

Re: The C130 and CH47, obsolete proof ?

I think we will get another C-130 version soon. It will be fitted with engines with improved fuel burn. It will also have more advanced 8 bladed props similar to what the E-2D hawkeye has. Reducing fuel burn on a trip means it can carry more payload before hitting MTOW. Or with the same payload it c...

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by RJMAZ
Thu Jul 30, 2020 11:45 am
Forum: Civil Aviation
Topic: Reuters: Boeing considering 757-Plus and 767-X
Replies: 615
Views: 110409

Re: Reuters: Boeing considering 757-Plus and 767-X

It was frequently mentioned here that there would be no 787 freighter until after orders fell off. Well, they have. I think the 787 freighter will launch soon. It would be a 787-8 with the same MTOW and landing weight as the 787-10. This would give aproximately 75t max payload. It would have much b...

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by RJMAZ
Tue Jul 28, 2020 9:00 am
Forum: Civil Aviation
Topic: Reuters: Boeing considering 757-Plus and 767-X
Replies: 615
Views: 110409

Re: Reuters: Boeing considering 757-Plus and 767-X

It's impossible to have 250 pax over 6000nm in a 752 sized narrow body. He is clearly talking about the all economy maximum seating numbers. This is how most narrowbody aircraft seating numbers get measured. No airline would configure such an aircraft with that many seats on a 6000nm flight. It wou...

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by RJMAZ
Tue Jul 28, 2020 8:00 am
Forum: Civil Aviation
Topic: Reuters: Boeing considering 757-Plus and 767-X
Replies: 615
Views: 110409

Re: Reuters: Boeing considering 757-Plus and 767-X

If I were to say what I would like to see it would be a sort of 757+. A 250 seat ( 752 size) narrow body capable of ~6000nm pax and bags range with a stretched 300seat version (753length) capable of around 4800-5000nm pax only range with max payload capability over real TATL ranges. Post COVID I ac...

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by RJMAZ
Sun Jul 19, 2020 10:04 am
Forum: Civil Aviation
Topic: Future Heavy Freight Aircraft (777X)?
Replies: 30
Views: 5049

Re: Future Heavy Freight Aircraft (777X)?

How solid is the 777-8 specs? Could Boeing reduced the length to make it a better freighter? 777F is 63.73m 777-300ER is 73.86m 777-8 is 69.80m 777-9 is 76.73m Could the 777-8 have its length reduced to 66.8 metres? That gives it the same 10 metre length difference that the older models have. It is ...

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by RJMAZ
Mon Jul 13, 2020 11:28 am
Forum: Military Aviation & Space Flight
Topic: A321XLR MRTT
Replies: 27
Views: 2082

Re: A321XLR MRTT

I think the main reason we dont have smaller tankers is because a small air force that operates small short range fighters would simply buy fighters with a longer range. This would give improved capability.

Once they have large fighters they can afford to go straight to a large tanker.

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by RJMAZ
Fri Jul 03, 2020 10:14 am
Forum: Military Aviation & Space Flight
Topic: A400M Update Thread 2020
Replies: 82
Views: 10744

Re: A400M Update Thread 2020

The C-17s aren’t going anywhere and with eight aircraft they have a large and sustainable fleet that remains in sync with the USA. The C-17's are 12 years old and have heavy usage for their age. The biggest concern is what will be available to replace them once they near 30 years old. The KC-30 was...

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by RJMAZ
Thu Jul 02, 2020 9:39 am
Forum: Military Aviation & Space Flight
Topic: A400M Update Thread 2020
Replies: 82
Views: 10744

Re: A400M Update Thread 2020

There is little chance the RAAF will operate a mixed C-130J/A400M fleet, it would be one or the other. The RAAF has the C-17 above and the C-27J below this size range. Actually I think a mixed C-130J and A400M would be the only way the A400M joins the RAAF. The ADF will be getting a massive budget ...

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by RJMAZ
Tue Jun 30, 2020 8:44 am
Forum: Military Aviation & Space Flight
Topic: USAF PCA and other 6th gen fighters
Replies: 105
Views: 17065

Re: USAF PCA and other 6th gen fighters

I would like to believe the F-35 will be getting the AETP engine, but based on recent AF and Navy acquisition history I don't see it happening. Since the installation of upgraded engines on the F-14, F-15E, F-16 and Legacy Hornets in the late 80's/early 90's, both the Navy and AF have refused to pu...

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by RJMAZ
Sun Jun 28, 2020 4:19 am
Forum: Military Aviation & Space Flight
Topic: USAF PCA and other 6th gen fighters
Replies: 105
Views: 17065

Re: USAF PCA and other 6th gen fighters

The Air Force wants to radically shift its future fighter program — also known as Next Generation Air Dominance — to a model that the service’s acquisition executive Will Roper calls the “Digital Century Series.” This model would use new development techniques like digital engineering, open archite...

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by RJMAZ
Sat Jun 27, 2020 6:14 am
Forum: Military Aviation & Space Flight
Topic: Separate USAF training aircraft award for Reforge pilot training
Replies: 10
Views: 1414

Re: Separate USAF training aircraft award for Reforge pilot training

This lease deal is simply a dodgy way to allow the USAF to operate aircraft made in a foreign country. For the T-X competition Lockheed had to create a second production line in the USA for the T-50 to comply with US law. This put the cost per aircraft of the out of date T-50 well above the state of...

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by RJMAZ
Thu Jun 25, 2020 1:24 pm
Forum: Civil Aviation
Topic: Embraer's has projects for a new turboprop plane [June/2020]
Replies: 127
Views: 18390

Re: Embraer's has projects for a new turboprop plane [June/2020]

How fast would this plane go, and how large would the propellers be? A lower diameter prop with more blades will often result in a faster aircraft. Speed would probably be between 650 and 700 km/h At high weights the A400m can comfortably cruise at 750km/h. The Q400 can cruise at 650km/h. The ATR-7...

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by RJMAZ
Sun Jun 14, 2020 12:26 am
Forum: Civil Aviation
Topic: Embraer's has projects for a new turboprop plane [June/2020]
Replies: 127
Views: 18390

Re: Embraer's has projects for a new turboprop plane [June/2020]

Neat. Underfloor cargo is really useful, less CG issues. It's an awesome cabin design for passenger comfort. I wonder what they mean with the engine ratings. Is that per engine or total? That 6000 shp on the slide is per engine for the NGRT engine. The Q400 has 5000 shp so it is safe to say the Emb...

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by RJMAZ
Sun Jun 07, 2020 1:05 pm
Forum: Civil Aviation
Topic: Qantas Project Sunrise developments
Replies: 48
Views: 5166

Re: Qantas Project Sunrise developments

Are you saying that fuel prices will remain at this level in 2023 and beyond? 100% it will. Governments are broke. They are overproducing oil to get any money they can. Oil usage was expected to grow 5% per year for the next decade. We've just halved our usage so it might take 10 years to reach 201...

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by RJMAZ
Sun Jun 07, 2020 9:22 am
Forum: Civil Aviation
Topic: Qantas Project Sunrise developments
Replies: 48
Views: 5166

Re: Qantas Project Sunrise developments

Are you saying that the whole evaluation work done in 2018-2019 was completely useless? Are you suggesting Qantas would run the evaluation all over again? Yes and yes. Fuel prices has QUARTERED! No evaluation process would have taken that into account. I even doubt if Airbus will make the A350-1000...

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by RJMAZ
Thu Jun 04, 2020 7:58 am
Forum: Military Aviation & Space Flight
Topic: USAF PCA and other 6th gen fighters
Replies: 105
Views: 17065

Re: USAF PCA and other 6th gen fighters

https://news.yahoo.com/amphtml/britains-tempest-fighter-going-leave-084500747.html Tempest is moving forward. London has seeded “Team Tempest” with £2 billion ($2.6 billion) for initial development through 2020. Major defense contractor BAE System is leading development with the Royal Air Force, wit...

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by RJMAZ
Sun May 31, 2020 2:36 am
Forum: Military Aviation & Space Flight
Topic: T-7A Red Hawk News and Discussion Thread
Replies: 112
Views: 18636

Re: T-X becomes T-7A Red Hawk

and you're going to end up with a smaller and less capable frame than a Gripen Do you have a problem with Boeing itself? You doubt that 28 years of aerodynamic improvements will not allow Boeing to match the capability of the old Gripen. We can see with the F-35 how far the agility of mid wing layo...

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by RJMAZ
Sat May 30, 2020 10:46 am
Forum: Civil Aviation
Topic: Will the A330neo ever become as successful as its predecessors?
Replies: 199
Views: 24709

Re: Will the A330neo ever become as successful as its predecessors?

A new 245T MTOW option was announced yesterday, I guess this adds a cheaper way to get more than 242T without going all the way to 251T. Interesting to understand the performance / efficiency at 245T vs. equivalent 787s. https://www.flightglobal.com/air-transport/a330neo-approved-with-intermediate-...

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by RJMAZ
Sat May 30, 2020 5:16 am
Forum: Military Aviation & Space Flight
Topic: T-7A Red Hawk News and Discussion Thread
Replies: 112
Views: 18636

Re: T-X becomes T-7A Red Hawk

That's making a fatal and frankly stupid mistake of assuming adding AESA radar to the T-7 is somehow free. The radar unit itself is costly; I think you misread my post. I said the T-7 structural airframe will be half the price. Not the complete flyable aircraft. The AESA radar would be the same cos...

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by RJMAZ
Fri May 29, 2020 10:50 pm
Forum: Military Aviation & Space Flight
Topic: T-7A Red Hawk News and Discussion Thread
Replies: 112
Views: 18636

Re: T-X becomes T-7A Red Hawk

We should consider that Saab is a major partner in this program, no? I am sure SAAB would love to provide avionics and some parts if they end up producing a thousand fighter versions of the T-7A. If the speed and agility are as good as the rumours I think the Saab Gripen will be a second choice. Th...

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by RJMAZ
Fri May 29, 2020 9:41 am
Forum: Military Aviation & Space Flight
Topic: T-7A Red Hawk News and Discussion Thread
Replies: 112
Views: 18636

Re: T-X becomes T-7A Red Hawk

How many years until they make a single seat version with AESA and AMRAAM capability? I think this aircraft will definitely replace the F-16 as the budget fighter of choice in the coming decades. Being designed from the ground up to be cheap to manufacture and maintain will allow it to reach used F-...

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by RJMAZ
Fri May 22, 2020 4:30 am
Forum: Civil Aviation
Topic: Will the A330neo ever become as successful as its predecessors?
Replies: 199
Views: 24709

Re: Will the A330neo ever become as successful as its predecessors?

Essentially then, every advantage of being a 'blue chip' airlines evaporates during a crisis as damaging as this one? After all, so many airlines, even state-backed carriers are deferring, downsizing and going bankrupt, or else are very close to doing so/rumoured to be doing so. British Airways jus...

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by RJMAZ
Fri May 22, 2020 2:10 am
Forum: Civil Aviation
Topic: Will the A330neo ever become as successful as its predecessors?
Replies: 199
Views: 24709

Re: Will the A330neo ever become as successful as its predecessors?

What advantages does a 'blue chip' airline really confer, and what makes an orderbook 'low quality'? Blue chip airlines would be more likely to get finance or government assistance during a crisis. Blue chip airlines will be less likely to defer delivery or defer fewer deliveries. Blue chip airline...

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by RJMAZ
Wed May 20, 2020 8:52 am
Forum: Military Aviation & Space Flight
Topic: Sweden invites tenders for new phase 1 trainer
Replies: 46
Views: 3145

Re: Sweden invites tenders for new phase 1 trainer

The PC-21 cockpit is very similar to the Gripen C/D with the three LCD displays. The PC-21 can simulate all the advanced features of the latest fighters such as a Gripen and Super Hornet. Saab was responsible for most of the these advanced features so they could easily make the PC-21 have all the fe...

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by RJMAZ
Mon May 18, 2020 11:23 pm
Forum: Civil Aviation
Topic: Project Sunrise Approved - Pilot Agreement or Not
Replies: 376
Views: 56028

Re: Project Sunrise Approved - Pilot Agreement or Not

The A35K has a max payload of just over 70t, and every indication shows the A35K is exceeding expectations for airlines. The A35K can take more revenue payload than a 77W on basically every 77W route, and the difference in max payloads is only around 3-4t between the two IIRC. What has the 777-300E...

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by RJMAZ
Mon May 18, 2020 11:12 pm
Forum: Civil Aviation
Topic: Project Sunrise Approved - Pilot Agreement or Not
Replies: 376
Views: 56028

Re: Project Sunrise Approved - Pilot Agreement or Not

If QF wants a A350-1000-sized frame, why would they downsize to a 77L? They specifically chose 35K over 359. The A350-1000 was selected due to having longer range. Assuming no fuel limits and both being ULR models the A350-1000 can fly 500nm further with the same payload. If the A350-900 was a quar...

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by RJMAZ
Mon May 18, 2020 8:35 am
Forum: Civil Aviation
Topic: Project Sunrise Approved - Pilot Agreement or Not
Replies: 376
Views: 56028

Re: Project Sunrise Approved - Pilot Agreement or Not

If the 77L burns less fuel per kilogram then shouldn't it be uber popular? Burning less fuel on LAX-SYD than a 25+ year newer design, even one specifically designed for the longest routes combined with a low price of fuel should mean airlines will be falling over themselves to buy it. I know the re...

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by RJMAZ
Sun May 17, 2020 11:14 pm
Forum: Civil Aviation
Topic: Project Sunrise Approved - Pilot Agreement or Not
Replies: 376
Views: 56028

Re: Project Sunrise Approved - Pilot Agreement or Not

I feel like the only way the used DL 77Ls make sense at QF is they hold out for the 350NEO as their long-term flagship aircraft closer to 2030. The Ultrafan will probably make the 359 capable of PS routes with nearly 300 seats and significant savings on acquisition costs and future landing fees. Sp...

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by RJMAZ
Sun May 17, 2020 10:57 pm
Forum: Civil Aviation
Topic: Project Sunrise Approved - Pilot Agreement or Not
Replies: 376
Views: 56028

Re: Project Sunrise Approved - Pilot Agreement or Not

QF won't be paying anywhere near list prices for the A35K, A $200m difference seems extremely pessimistic to me, especially considering the costs of the interior for each aircraft. Did you stop reading? I said $100 million and used that in my calculations. Of course I know they wouldn't pay list bu...

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by RJMAZ
Sun May 17, 2020 5:29 pm
Forum: Civil Aviation
Topic: Project Sunrise Approved - Pilot Agreement or Not
Replies: 376
Views: 56028

Re: Project Sunrise Approved - Pilot Agreement or Not

Relying entirely on the price of oil being low is very risky, anything could happen between now and a time when PS because viable again. The A35K is a far safer bet, would be far more fuel efficient going to JFK, LHR and any Asian destinations they have, even with fuel prices being low it's still a...

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by RJMAZ
Sun May 17, 2020 4:58 pm
Forum: Civil Aviation
Topic: Project Sunrise Approved - Pilot Agreement or Not
Replies: 376
Views: 56028

Re: Project Sunrise Approved - Pilot Agreement or Not

So flying 42 J seats on the PER-LHR route to offering 28 J seats on the more prestigious LHR-SYD route. The reason why the A359 or 789 wasn't considered for PS was because they were too small for the demand QF was looking at. No, the A350-900 or 787-9 were not considered because they do not even ha...

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by RJMAZ
Sun May 17, 2020 3:46 pm
Forum: Civil Aviation
Topic: Project Sunrise Approved - Pilot Agreement or Not
Replies: 376
Views: 56028

Re: Project Sunrise Approved - Pilot Agreement or Not

QF could quite easily have bought 77Ls if they were viable, it's been available for 15+ years. Someone has already said this. Oil price has averaged $90 a barrel for the last 15 years. Oil price is now below $30 a barrel and all indications is that it will remain low for many years. So only now are...

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by RJMAZ
Sun May 17, 2020 11:11 am
Forum: Civil Aviation
Topic: Project Sunrise Approved - Pilot Agreement or Not
Replies: 376
Views: 56028

Re: Project Sunrise Approved - Pilot Agreement or Not

What will not fly? Is it the Project Sunrise or the 777-200LR for Qantas? The A350-1000ULR will not fly. Qantas will not have the money to purchase new aircraft for many years. Airbus will no longer be willing to pay for the expensive fuel system upgrades just to gain bragging rights. If people wan...

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by RJMAZ
Sun May 17, 2020 6:41 am
Forum: Civil Aviation
Topic: Project Sunrise Approved - Pilot Agreement or Not
Replies: 376
Views: 56028

Re: Project Sunrise Approved - Pilot Agreement or Not

Qantas 787-9 has a 18/12/70 J/P/Y % split Deltas 77LR has a 10/17/73 J/P/Y % split Considering we know that PS will most likely have an F cabin (I'll assume 6 seats) the most likely config to maintain premium % would be: 6/48/35/198 which is a % split: 19/12/69 F+J/P/Y makes a lot more sense to me....

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by RJMAZ
Sun May 17, 2020 3:06 am
Forum: Civil Aviation
Topic: Project Sunrise Approved - Pilot Agreement or Not
Replies: 376
Views: 56028

Re: Project Sunrise Approved - Pilot Agreement or Not

I think hiring foreign pilots will not be required. Qantas will have all the bargaining power with the pilots. They will have an oversupply of pilots and crew in the next few years. The pilots will be fighting to keep their job and will accept anything.

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by RJMAZ
Sun May 17, 2020 12:06 am
Forum: Civil Aviation
Topic: Project Sunrise Approved - Pilot Agreement or Not
Replies: 376
Views: 56028

Re: Project Sunrise Approved - Pilot Agreement or Not

Sure. Starting your most prestigious flights with some left overs with a cheap hybrid livery and a cabin which screams "this isn't Qantas!".... I really like your "out of the box" thinking, but I can't see Qantas starting with Project Sunrise with the 777LR. For the short term, ...

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by RJMAZ
Sun May 17, 2020 12:02 am
Forum: Civil Aviation
Topic: Project Sunrise Approved - Pilot Agreement or Not
Replies: 376
Views: 56028

Re: Project Sunrise Approved - Pilot Agreement or Not

The 789 is 62m in length, the 77L is 63m. Delta has 291 seats in their 77L, Qantas has 236 seats in their 789. That is a lot of extra seats in a crude 1m difference in length. Both are 9-abreast in Y as well. So not sure if as you state the density is similar. https://www.seatguru.com/airlines/Delt...

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by RJMAZ
Sat May 16, 2020 2:39 pm
Forum: Civil Aviation
Topic: Project Sunrise Approved - Pilot Agreement or Not
Replies: 376
Views: 56028

Re: Project Sunrise Approved - Pilot Agreement or Not

You are kidding right. Qantas proved 20yrs ago that a 744 could fly LHR-SYD crew only. More recently they showed a very lightly loaded 789 could fly LHR-SYD and JFK-SYD However neither could fly those with a profit making passenger and freight load. Same with the 772LR. No kidding. With 300 passeng...

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by RJMAZ
Sat May 16, 2020 9:57 am
Forum: Civil Aviation
Topic: Project Sunrise Approved - Pilot Agreement or Not
Replies: 376
Views: 56028

Re: Project Sunrise Approved - Pilot Agreement or Not

What capacity do you expect the 77L to be in the Qantas long range configuration for PS? I'd expect them to just put Qantas stickers over any Delta logo. The aircraft have fresh cabins. They have similar density to Qantas. On the New York route they wouldn't even need to block seats. I'm not sure i...

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by RJMAZ
Sat May 16, 2020 6:41 am
Forum: Civil Aviation
Topic: Project Sunrise Approved - Pilot Agreement or Not
Replies: 376
Views: 56028

Re: Project Sunrise Approved - Pilot Agreement or Not

Delta is retiring 10 777Lr aircraft that just had a refurb. Buying these aircraft might be the only chance of the Project Sunrise route happening. Cash flow at Qantas has taken a huge hit and buying a new aircraft might not be possible. The decision of picking the best aircraft for the route was bas...

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by RJMAZ
Fri May 15, 2020 12:27 am
Forum: Civil Aviation
Topic: Reuters: Boeing considering 757-Plus and 767-X
Replies: 615
Views: 110409

Re: Reuters: Boeing considering 757-Plus and 767-X

Boeing and Airbus have to wait until engine improvements are large enough before doing a NEO. That is why the 767 with GEnx2B engines didn't eventuate. The added cost and weight of the engines did not offset the improved fuel burn in the freighter role. Freighters often fly at max payload weight whi...

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by RJMAZ
Thu May 14, 2020 12:19 pm
Forum: Civil Aviation
Topic: Reuters: Boeing considering 757-Plus and 767-X
Replies: 615
Views: 110409

Re: Reuters: Boeing considering 757-Plus and 767-X

One issue is the benchmark, mass produced A321 weighs 51t empty It has engine choice, carries cargo containers and can do 8-9 hr flights if needed. If a new Boeing aircraft is e.g. 60t empty (20% heavier), good luck making it more efficient. Killed the NMA, I think that weighed 40% more for 20% mor...

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by RJMAZ
Thu May 14, 2020 10:11 am
Forum: Civil Aviation
Topic: Reuters: Boeing considering 757-Plus and 767-X
Replies: 615
Views: 110409

Re: Reuters: Boeing considering 757-Plus and 767-X

Can an all new composite wing bring down thrust requirements on a 757+ to something offered on the 737-10MAX or A321XLR? If the 757+ completely replaces the 737MAX (at least -9 and -10) will there be enough business for a properly sized LEAP derivative? Definitely. The highest powered Pratt GTF has...

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by RJMAZ
Thu May 14, 2020 9:56 am
Forum: Military Aviation & Space Flight
Topic: Sweden invites tenders for new phase 1 trainer
Replies: 46
Views: 3145

Re: Sweden invites tenders for new phase 1 trainer

Last Air Forces monthly issue. But this article gives more or less the same summary: https://www.ainonline.com/aviation-news/defense/2020-05-08/sweden-seeks-new-air-force-basic-trainer The only thing that is official in that link is the speed requirement for the trainer. A minimum of 220 knots top ...

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by RJMAZ
Wed May 13, 2020 11:34 pm
Forum: Civil Aviation
Topic: Reuters: Boeing considering 757-Plus and 767-X
Replies: 615
Views: 110409

Re: Reuters: Boeing considering 757-Plus and 767-X

The 797/NMA was not designed to carry cargo. It does not surprise me that the cargo orientated 767 now has a good business case. If passenger loads stay 20% below trend but air cargo is up 20% above trend for the next 5 years it means every freighter in the world will have to work flat out for the n...

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by RJMAZ
Tue May 12, 2020 11:02 am
Forum: Military Aviation & Space Flight
Topic: Future KC-10 replacement options?
Replies: 98
Views: 7909

Re: Future KC-10 replacement options?

The USAF will just buy more KC-46. If anything else gets purchased it will be an improved higher MTOW KC-46. It is not about comparing max fuel capacity or MTOW but how much fuel is available at a set distance. A 200t MTOW KC-46 with wingtips and cleansheet engines would be able to offload more fuel...

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by RJMAZ
Tue May 12, 2020 9:12 am
Forum: Civil Aviation
Topic: Reuters: Boeing considering 757-Plus and 767-X
Replies: 615
Views: 110409

Re: Reuters: Boeing considering 757-Plus and 767-X

I see the 767X as a potential MD-11 replacement thus the longer -400 fuselage length would be required. The MD-11 is around half way between the 777F and 767F. It is actually slightly closer to the 777F in size. There is no way the 767F-400 can reach that capacity. Freight operators can either upga...

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by RJMAZ
Tue May 12, 2020 9:04 am
Forum: Civil Aviation
Topic: Will the A330neo ever become as successful as its predecessors?
Replies: 199
Views: 24709

Re: Will the A330neo ever become as successful as its predecessors?

The 787-8 and 767X can never capture huge market share because neither of them have outstanding efficiency. How many 788 s and 767 s are flying now? I should have been more clear. The 787-8 and 767X will never capture large PASSENGER orders into the FUTURE. The 787-8 stopped selling as soon as the ...

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by RJMAZ
Mon May 11, 2020 8:58 am
Forum: Civil Aviation
Topic: Reuters: Boeing considering 757-Plus and 767-X
Replies: 615
Views: 110409

Re: Reuters: Boeing considering 757-Plus and 767-X

A clean sheet engine, a decade? An enhanced GENX seems a so much better idea. Is there a difference between the two? Would there be much difference in cost? Putting in an enhanced core on the existing fan would still change the parts count by more than 80%. The Rolls Royce TrentTen is an example of...

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