Search found 846 matches

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by iamlucky13
Thu Dec 14, 2017 6:40 am
Forum: Civil Aviation
Topic: Delta orders 100 P&W powered A321neo aircraft, plus 100 options
Replies: 353
Views: 64201

Re: CNN: Delta to order 100+ Airbus A321neo Aircraft

If anyone thinks for a minute that Delta's Board of Directors would allow Ed and company to pay more in the long run, tens of billions of dollars, shareholder's money, to have a pissing match with Boeing, then there is a lot of naivety around here. I'm not sure what you're arguing. If it's in refer...

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by iamlucky13
Thu Dec 14, 2017 1:26 am
Forum: Civil Aviation
Topic: Delta orders 100 P&W powered A321neo aircraft, plus 100 options
Replies: 353
Views: 64201

Re: CNN: Delta to order 100+ Airbus A321neo Aircraft

BREAKING: Airbus has won the coveted Delta narrowbody RFP. http://money.cnn.com/2017/12/13/news/companies/delta-airbus-a321neo-order/index.html Discuss. Whoa there! We've got 124 posts, the overwhelming majority of which took the first post at face value. And yet, I'm not seeing anywhere actual con...

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by iamlucky13
Mon Dec 11, 2017 6:46 pm
Forum: Civil Aviation
Topic: Airbus and Boeing Production Rates Changes?
Replies: 14
Views: 5413

Re: Airbus and Boeing Production Rates Changes?

They didn't come out the same day. The second article is just a couple very brief snippets of older information. The rumor that the timeline for the MoM may be more like 2027 than 2025 came out last week. The Leeham article about polling suppliers with regards to ability to support a ramp up and add...

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by iamlucky13
Fri Dec 08, 2017 12:31 am
Forum: Civil Aviation
Topic: Lithium-ion battery fails on UA 787 flight
Replies: 302
Views: 81061

Re: Lithium-ion battery fails on UA 787 flight

Isnt that like saying if the engine nacelle casing has no penetration from the blades coming off we dont care what caused the blades to come off as the failure rate for the casing is zero???? From a flight-safety standpoint, you could argue "yes" since the nacelle casing has contained the...

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by iamlucky13
Wed Dec 06, 2017 11:45 pm
Forum: Civil Aviation
Topic: Lithium-ion battery fails on UA 787 flight
Replies: 302
Views: 81061

Re: Lithium-ion battery fails on UA 787 flight

This and the apparent corollary that nobody or the NTSB has any further interest in why they fail. If they are failing safely, the containment is doing its designed job and there is no threat to flight safety, why should they have further interest in why they fail? It seems to me it's no longer a s...

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by iamlucky13
Wed Dec 06, 2017 9:00 pm
Forum: Civil Aviation
Topic: Lithium-ion battery fails on UA 787 flight
Replies: 302
Views: 81061

Re: Lithium-ion battery fails on UA 787 flight

IIRC, the images of the battery showed that the cells did not even have some cell balancing capabilities. That's dilettantish. My hobby grade lipo charger for 50€ has it.... The 787 battery has cell balancing. In the video I linked to in my immediately prior post has a closeup at the start of it wh...

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by iamlucky13
Wed Dec 06, 2017 8:27 pm
Forum: Civil Aviation
Topic: Lithium-ion battery fails on UA 787 flight
Replies: 302
Views: 81061

Re: Lithium-ion battery fails on UA 787 flight

Blade out on engine - and that is scenario for engine shroud - is a reportable event, as far as I understand - especially on ETOPS flight Right, because there are downstream risks even if the blade loss is contained, including from loss of thrust and the small but I don't quite zero risk of damage ...

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by iamlucky13
Wed Dec 06, 2017 6:27 pm
Forum: Civil Aviation
Topic: DL May Push C-Series Order to AM Avoiding Trade Duty
Replies: 116
Views: 27985

Re: DL May Push C-Series Order to AM Avoiding Trade Duty

Not sure what kind of duties would apply to that work performed in Mirabel. Mostly its attaching the LP fan and shaft to the gearbox and attaching all the accessories. The accessories could be done in Mobile. I'm not sure about the fan mating... if it's for transportation reasons or something else,...

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by iamlucky13
Wed Dec 06, 2017 5:03 am
Forum: Civil Aviation
Topic: Japan Airlines and Boom Announce Partnership for Supersonic Air Travel
Replies: 41
Views: 9409

Re: Japan Airlines and Boom Announce Partnership for Supersonic Air Travel

JAL has made a strategic investment of USD 10 million in Boom and is collaborating with the company to refine the aircraft design and help define the passenger experience for supersonic travel. 10 million is nothing...JAL probably spends more on human sized plastic bags for Hasidim. I'm guessing ev...

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by iamlucky13
Wed Dec 06, 2017 4:08 am
Forum: Civil Aviation
Topic: Lithium-ion battery fails on UA 787 flight
Replies: 302
Views: 81061

Re: Lithium-ion battery fails on UA 787 flight

Something to emphasize here is I'm pretty much certain the 787 batteries are not composed of 8 cells, each 9 Ah in capacity, at 3.7V, for a total capacity of 72Ah at 3.7V. Rather, they should be each 72Ah in capacity, for a total capacity of 72Ah at 29.6V. Likewise for the A350, they're not 3Ah cel...

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by iamlucky13
Wed Dec 06, 2017 3:32 am
Forum: Civil Aviation
Topic: Lithium-ion battery fails on UA 787 flight
Replies: 302
Views: 81061

Re: Lithium-ion battery fails on UA 787 flight

3) To that end, the 787 batteries need to be able to be quickly recharged to a level necessary to support those critical systems if discharged to support other functions. Example would be using battery power to perform an engine start then having to perform an RTO soon after. This keeps getting thr...

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by iamlucky13
Wed Dec 06, 2017 2:40 am
Forum: Civil Aviation
Topic: Lithium-ion battery fails on UA 787 flight
Replies: 302
Views: 81061

Re: Lithium-ion battery fails on UA 787 flight

It appears to me there is more behind the A350 and 787 battery choices and Boeing's decision to stick with GS Yuasa despite their problems than is apparent from what has been disclosed so far. I think most of it has been disclosed: 1) The 787 has higher electrical needs than the A350 and therefore ...

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by iamlucky13
Wed Dec 06, 2017 1:32 am
Forum: Civil Aviation
Topic: Lithium-ion battery fails on UA 787 flight
Replies: 302
Views: 81061

Re: Lithium-ion battery fails on UA 787 flight

So let's say it again.... Boeing had no need to go with the volatile Yuasa cell design Going with the Saft design would have required three times as many batteries to provide the same amount of Amp-hours (the 787 has eight 3.7V cells storing 72Ah where as the A350 has 14 3.6V cells storing 45Ah). T...

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by iamlucky13
Wed Dec 06, 2017 12:12 am
Forum: Civil Aviation
Topic: Lithium-ion battery fails on UA 787 flight
Replies: 302
Views: 81061

Re: Lithium-ion battery fails on UA 787 flight

The danger was deemed serious enough to ground the 787. Yes. More specifically, my understanding is that the inability to be certain the level of danger was within any sort of justifiable threshold was the reason for the grounding. I've not seen any quantification at all of what the risk would have...

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by iamlucky13
Tue Dec 05, 2017 10:25 pm
Forum: Civil Aviation
Topic: Lithium-ion battery fails on UA 787 flight
Replies: 302
Views: 81061

Re: Lithium-ion battery fails on UA 787 flight

The solvent is a hydrocarbon liquid. Like a thick oil. If heated if becomes a thin liquid and if heated more it vaporises, producing a fuel air mixture than can explode. You have a box with oil inside. You have a heating element to vaporise the oil, the thermal runaway when something goes wrong in ...

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by iamlucky13
Tue Dec 05, 2017 9:15 pm
Forum: Civil Aviation
Topic: Lithium-ion battery fails on UA 787 flight
Replies: 302
Views: 81061

Re: Lithium-ion battery fails on UA 787 flight

The solvent is a hydrocarbon liquid. Like a thick oil. If heated if becomes a thin liquid and if heated more it vaporises, producing a fuel air mixture than can explode. You have a box with oil inside. You have a heating element to vaporise the oil, the thermal runaway when something goes wrong in ...

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by iamlucky13
Tue Dec 05, 2017 8:42 pm
Forum: Civil Aviation
Topic: Lithium-ion battery fails on UA 787 flight
Replies: 302
Views: 81061

Re: Lithium-ion battery fails on UA 787 flight

When Samsung or Apple have battery issues, battery vendor reproduces the failure condition and Samsung or Apple update their charging/monitoring configuration. The problem goes away without replacing millions of batteries. Here GS Yuasa continues to claim there is no failure scenario. So neither Th...

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by iamlucky13
Tue Dec 05, 2017 6:26 pm
Forum: Civil Aviation
Topic: Lithium-ion battery fails on UA 787 flight
Replies: 302
Views: 81061

Re: Lithium-ion battery fails on UA 787 flight

People should not be shocked by another exploding battery. If that could be ruled out, there would be no need for the containment system. Since there is a containment system (both on 787 and A350) we know the chances that another battery might explode were sufficiently high to require the containme...

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by iamlucky13
Tue Dec 05, 2017 4:05 am
Forum: Civil Aviation
Topic: DL May Push C-Series Order to AM Avoiding Trade Duty
Replies: 116
Views: 27985

Re: DL May Push C-Series Order to AM Avoiding Trade Duty

I'm pretty sure Ed Bastian previously stated that Delta would take the planes as scheduled and would not pay the import duties. Here's what he said at their last earnings presentation to investors, a couple weeks before the Airbus news: source We will not pay those tariffs. That is very clear. We i...

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by iamlucky13
Tue Dec 05, 2017 2:02 am
Forum: Civil Aviation
Topic: Lithium-ion battery fails on UA 787 flight
Replies: 302
Views: 81061

Re: Lithium-ion battery fails on UA 787 flight

They definitely do have a say in it. They wrote the spec, and GS Yuasa and Thales agreed to it, and I know from experience that contracts like these don't contain easy outs for a supplier to screw up and walk away from their problems. ... May I remind you 787 program didn't follow traditional outso...

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by iamlucky13
Mon Dec 04, 2017 10:25 pm
Forum: Civil Aviation
Topic: Lithium-ion battery fails on UA 787 flight
Replies: 302
Views: 81061

Re: Lithium-ion battery fails on UA 787 flight

... I'm honestly curious why Boeing has been having more trouble than other users with cells from a reputable manufacturer. Samsung was able to identify specific defects in their Note 7 batteries when those were in the news. Because Boeing has no say in it other than few engineers review the transl...

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by iamlucky13
Mon Dec 04, 2017 7:07 pm
Forum: Civil Aviation
Topic: Lithium-ion battery fails on UA 787 flight
Replies: 302
Views: 81061

Re: Lithium-ion battery fails on UA 787 flight

If somehow the battery breaks the containment system despite it being ground tested as being able to withstand far more energy than the battery contains, then you have at worst a situation like the two previous incidents where the batteries overheated and vented without full containment, and yet st...

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by iamlucky13
Sun Dec 03, 2017 1:10 am
Forum: Civil Aviation
Topic: Lithium-ion battery fails on UA 787 flight
Replies: 302
Views: 81061

Re: Lithium-ion battery fails on UA 787 flight

What concerns me is that Boeing used something so unstable and dangerous that they had to create a titanium containment unit. Given the fact they initially built the plane without that safety feature, can we trust that this containment unit is 100% effective? It is easier to have more faith at grou...

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by iamlucky13
Sat Dec 02, 2017 1:57 am
Forum: Civil Aviation
Topic: Super rich want supersonic bomber as business jet
Replies: 71
Views: 21972

Re: Super rich want supersonic bomber as business jet

A couple of things. I never knew that JAL operated a TU-114. Some cool pics if you google. IMHO this is just like the BOOM thing. It comes around and gets a few stories in the press but never moves forward. Super rich people are usually cheaper than heck. It's a fun topic to chat about but ain't go...

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by iamlucky13
Fri Dec 01, 2017 11:06 pm
Forum: Military Aviation & Space Flight
Topic: Confessions Of A C-2 Greyhound COD Pilot
Replies: 7
Views: 2372

Re: Confessions Of A C-2 Greyhound COD Pilot

I was wondering if the author would comment on the V-22's, and wasn't surprised he's skeptical about the choice, including with regards to volume. I have an acquaintance who said he actually tried to get assigned to flying the C-2, and instead ended up in Growlers. I thought that sounded backwards, ...

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by iamlucky13
Fri Dec 01, 2017 10:28 pm
Forum: Military Aviation & Space Flight
Topic: Northrop Grumman B-21 Raider Production And Delivery Thread
Replies: 10
Views: 3271

Re: Northrop Grumman B-21 Raider Production And Delivery Thread

This may be a stupid question, but why is it not called the B-3? Just guessing but perhaps because the B-2 was an NG aircraft and the B-21 is also an NG aircraft. Also everything we know to date appears to suggest the B-21 will essentially be a new B-2, given it is subsonic, likely two bomb bays, l...

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by iamlucky13
Fri Dec 01, 2017 10:21 pm
Forum: Civil Aviation
Topic: Super rich want supersonic bomber as business jet
Replies: 71
Views: 21972

Re: Super rich want supersonic bomber as business jet

I don't understand why some commenters here stuck on the cost effectiveness. The article says the super rich want it, not a company whose concern being cost effective or benefiting from the aircraft. Super rich means people who have billions and have everything one can have. Those guys have the fre...

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by iamlucky13
Fri Dec 01, 2017 10:09 pm
Forum: Civil Aviation
Topic: Will SEA's upcoming upgrades include room for the A380
Replies: 23
Views: 8338

Re: Will SEA's upcoming upgrades include room for the A380

This isn't a modification, but the new elevated walkway that is going to be added between the international terminal and concourse A will have clearance for the A380 tail. That wouldn't actually be critical for enabling A380 service, but it would avoid creating a potential complication for ground mo...

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by iamlucky13
Fri Dec 01, 2017 11:09 am
Forum: Civil Aviation
Topic: Super rich want supersonic bomber as business jet
Replies: 71
Views: 21972

Re: Super rich want supersonic bomber as business jet

Already been done. The Tu-114 was derived at least in part from the Tu-95. It's hard to beat the entrance you would make on landing with that sleek swept wing, giant counter-rotating propellers, and incredibly tall landing gear. What kind of entrance is it if you can't get off the plane because it ...

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by iamlucky13
Thu Nov 30, 2017 11:35 pm
Forum: Civil Aviation
Topic: Super rich want supersonic bomber as business jet
Replies: 71
Views: 21972

Re: Super rich want supersonic bomber as business jet

How about a Bear bomber as a private aircraft instead? It has some nice long range cruise speed, endurance and that wow factor at Aspen or Cannes? Not to roomy inside I have to admit. Maybe one could still order some Il-18 (Il-20) for beginners as they seem to be still build in military ELINT and s...

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by iamlucky13
Tue Nov 28, 2017 3:26 am
Forum: Civil Aviation
Topic: Construction of Paine Field passenger terminal begins
Replies: 46
Views: 7723

Re: Construction of Paine Field passenger terminal begins

There is a rather larger update that I didn't see mentioned in this thread, unless of course I missed it. United announced six daily flights to its hubs in Denver and San Francisco. Alaska plans up to nine daily flights, but isn’t likely to announce specific destinations until early next year. Some...

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by iamlucky13
Tue Nov 28, 2017 2:25 am
Forum: Civil Aviation
Topic: Construction of Paine Field passenger terminal begins
Replies: 46
Views: 7723

Re: Construction of Paine Field passenger terminal begins

There was a small update in the local news today. Basically, they're still on schedule to be ready for flights in fall 2018 (now clarified as September). http://www.heraldnet.com/news/work-on-passenger-terminal-at-paine-field-progressing/ The accompanying photo seems to have been taken from the cont...

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by iamlucky13
Tue Nov 28, 2017 1:01 am
Forum: Civil Aviation
Topic: Boeing 777X - Updated Information And Developments
Replies: 2629
Views: 235283

Re: Boeing 777X - Updated Information And Developments

Wow thanks! I just marked 134” on my living room floor and imagined it’s full circumference! BIG! Is that the fattest the engine is? Or is it even wider at the outer most edges of the nacelle? 134" is the fan diameter. The nacelle is 174", according to Aviation Week. I had a chance at an ...

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by iamlucky13
Wed Nov 22, 2017 8:39 pm
Forum: Military Aviation & Space Flight
Topic: Which runways would've been long enough for the Shuttle?
Replies: 12
Views: 3079

Re: Which runways would've been long enough for the Shuttle?

I watched one landing at KSC (and half a dozen lift-offs) and it would have been a sight to see a shuttle land at a place like JFK. Boy, do I ever miss the program. Greatest show on Earth. It would have been a huge event if it had landed at either KJFK or YSSY. I wonder what the procedures would ha...

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by iamlucky13
Wed Nov 22, 2017 8:19 pm
Forum: Military Aviation & Space Flight
Topic: New TU-160
Replies: 32
Views: 5341

Re: New TU-160

The bottom pic in the OP definitely shows the White Swan aspect of the plane. IMO the most beautiful aircraft to come out of the Soviet Union and today's Russia. Are these M2's going to replace the previous generation 160's? It definitely hints at what a beast the Tu-160 is. Those big wings are for...

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by iamlucky13
Wed Nov 22, 2017 12:09 pm
Forum: Civil Aviation
Topic: Boeing officially forms program office to flesh out 797 plans
Replies: 767
Views: 140447

Re: Boeing officially forms program office to flesh out 797 plans

787-9 with a range of a B757 Like, say, a 787-3. This really is my problem with this MoM. What are they going to do that is so different from a 787 fuselage with different undercarriage and wings? OK, the engines will be a bit lighter, but really? Does that justify $10B+ in the hole? Why not have a...

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by iamlucky13
Wed Nov 22, 2017 4:50 am
Forum: Civil Aviation
Topic: Boeing officially forms program office to flesh out 797 plans
Replies: 767
Views: 140447

Re: Boeing officially forms program office to flesh out 797 plans

They brought in nearly $14 billion in gross margin last year, compared to a little over $6 billion for Airbus (converted to USD), and had about 5% net margin compared to 1.5%, if I'm comparing the right figures. It appears Airbus does not have much room on pricing in tight sales campaigns. Not sure...

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by iamlucky13
Tue Nov 21, 2017 10:25 pm
Forum: Civil Aviation
Topic: Boeing officially forms program office to flesh out 797 plans
Replies: 767
Views: 140447

Re: Boeing officially forms program office to flesh out 797 plans

I keep waiting for someone to explain the dire need for Boeing to be first on a narrowbody that’s only a marginal improvement. No one has yet made a decent case. Boeing have already made statements about pricing pressures from Airbus - and at that time Airbus were charging a healthy premium for the...

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by iamlucky13
Tue Nov 21, 2017 2:00 am
Forum: Civil Aviation
Topic: Boeing officially forms program office to flesh out 797 plans
Replies: 767
Views: 140447

Re: Boeing officially forms program office to flesh out 797 plans

“Today we are very early in a program that’s not launched, and we already know what the production system looks like ,” says Delaney. “We already know what the assembly sequence looks like, we are already starting to build parts in the computer. Because we are trying to build the first couple of hu...

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by iamlucky13
Fri Nov 17, 2017 9:12 pm
Forum: Civil Aviation
Topic: Boom Technology To Pick Assembly Site And Engines In 2018
Replies: 23
Views: 5785

Re: Boom Technology To Pick Assembly Site And Engines In 2018

So where is the engine? They said they had one and now they haven't even decided. If they cannot use military engines like they had planned they start all over again. And they still claim EIS 2023? How serious is this. I support new companies and ideas but at some point they need to prove what they...

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by iamlucky13
Thu Nov 16, 2017 9:11 pm
Forum: Civil Aviation
Topic: Boom Technology To Pick Assembly Site And Engines In 2018
Replies: 23
Views: 5785

Re: Boom Technology To Pick Assembly Site And Engines In 2018

No sonic booms over land - period. Find a way around the physics or they are limited to supersonic speeds over water only. First of all, this isn't so much a physics issue as a noise issue, and you need to take into account the research NASA has been doing recently on reducing sonic booms. That's m...

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by iamlucky13
Thu Nov 16, 2017 8:59 pm
Forum: Civil Aviation
Topic: Boom Technology To Pick Assembly Site And Engines In 2018
Replies: 23
Views: 5785

Re: Boom Technology To Pick Assembly Site And Engines In 2018

They need a completly new type of engine - and no engine manufacturer commited to develop such an engine. You are incorrect. They will do a simple adaption of a currently in production military engine (remove afterburners, etc). Just like what was done in the 1960's and 1970' for the early commerci...

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by iamlucky13
Thu Nov 16, 2017 7:58 pm
Forum: Civil Aviation
Topic: Narrowbody order bubble?
Replies: 29
Views: 8837

Re: Narrowbody order bubble?

Quotes trimmed for brevity Current production levels and even the planned production levels, look conservative compared to the huge backlogs. The current backlogs aren't a good gauge of long term demand. Backlogs have historically varied up and down a fair amount, and are probably a bit high right n...

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by iamlucky13
Thu Nov 16, 2017 3:05 am
Forum: Civil Aviation
Topic: Boom Technology To Pick Assembly Site And Engines In 2018
Replies: 23
Views: 5785

Re: Boom Technology To Pick Assembly Site And Engines In 2018

I'd also like to know which of the world's airlines have orders for 76 aircraft as Boom claims. Unless and until the airlines are willing to tip their hands, Boom can't disclose it. For all we know, it could be effectively non-existent startups who having investors willing to commit if Boom can rea...

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by iamlucky13
Thu Nov 16, 2017 12:00 am
Forum: Non-Aviation
Topic: EWR Barack H Obama Airport
Replies: 80
Views: 5522

Re: EWR Barack H Obama Airport

Barack Obama and Liberty go well together. If you want to argue that he was popular or that particular initiatives of his like the ACA were significant (I'll pass on debating the specific merits of that here), I get that, but not the liberty angle: https://www.forbes.com/sites/waynecrews/2016/12/30...

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by iamlucky13
Wed Nov 15, 2017 11:47 pm
Forum: Civil Aviation
Topic: Narrowbody order bubble?
Replies: 29
Views: 8837

Re: Narrowbody order bubble?

Current production levels and even the planned production levels, look conservative compared to the huge backlogs. The Airbus narrow body backlog was nearly 5,500 frames before the Dubai Air Show and we will see that backlog having grown in Dubai. That is at the planed future production rate of 60 ...

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by iamlucky13
Wed Nov 15, 2017 3:14 am
Forum: Civil Aviation
Topic: Boeing 777X - Updated Information And Developments
Replies: 2629
Views: 235283

Re: Boeing 777X - Updated Information And Developments

In light of this, I wonder if this means Boeing aren't going to assert that the aircraft is safe to fly with tips folded (either by way of modelling or demonstration in flight test) Probably what the FAA recognizes is that when a 777X is flying close to MTOW and/or field/altitude/heat limitations o...

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by iamlucky13
Wed Nov 15, 2017 3:02 am
Forum: Civil Aviation
Topic: EgyptAir signs LOI for up to 24 CS300s
Replies: 33
Views: 4527

Re: EgyptAir signs LOI for up to 24 CS300s

Was the difference between LOI and order explained? A Letter of Intent does not actually contract the parties to complete a sale, but it does make clear that the buyer is seriously interested and may provide some limitations on the final negotiations. For example, it may be in Bombardier's interest...

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by iamlucky13
Wed Nov 15, 2017 2:21 am
Forum: Civil Aviation
Topic: Washington State air service discussion
Replies: 314
Views: 24040

Re: Washington State air service discussion

I saw in the Travel, Polls, and Preferences forum that user eicvd said that SEA-DUB is rumored to be announced by EI on Friday. More flights to the big US cities like SEA (rumoured to be announced by EI on Fri) Exciting if true! Any guesses on frequency and aircraft type? I think it'd be 4x weekly ...

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by iamlucky13
Tue Nov 14, 2017 9:21 pm
Forum: Civil Aviation
Topic: EgyptAir signs LOI for up to 24 CS300s
Replies: 33
Views: 4527

Re: EgyptAir signs LOI for up to 24 CS300s

^Uh which Non-US order is supposed to strike fear into Boeing or anyone? The 17 ordered by airBaltic or the 10 by SWISS? 72% of a small number isn't very meaningful I just want to make it clear that I LOVE the CSeries and would really like it to be successful, but to try and posture like they have ...

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