Search found 24724 matches

by Stitch
Wed Dec 13, 2017 5:11 pm
Forum: Military Aviation & Space Flight
Topic: KC-46 Production, Testing And Delivery
Replies: 1380
Views: 81412

Re: KC-46 Production, Testing And Delivery

What's with the KC-46 flying from Guam this week on FA? BOE465. Nothing in the news about it. While not an official candidate base, with things getting testy in the Pacific perhaps the USAF is doing a "facilities check" to see how the KC-46 integrates should the active force need to be de...

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by Stitch
Tue Dec 12, 2017 4:34 pm
Forum: Civil Aviation
Topic: Boeing officially forms program office to flesh out 797 plans
Replies: 762
Views: 131792

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

The problem with this is that according to the known market research less than 15% of all interested airlines want more than 250 seats, while over 50% asked for less than 200 seats. Well that market research is at least a year old and was just a basic question about capacity and range. Boeing's dis...

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by Stitch
Mon Dec 11, 2017 3:57 pm
Forum: Civil Aviation
Topic: Official 747-8 Flight Tracking/Production Part 18
Replies: 2054
Views: 188034

Re: Official 747-8 Flight Tracking/Production Part 18

There was an order announced by Boeing this past weekend for 4 747 for an unidentified customer. Nothing in the news about an order for four. There was a single UFO 747-8 freighter order last week. Could these possibly by the USAF as E-4 replacements? The USAF has already purchased the two 747-8 In...

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by Stitch
Sun Dec 10, 2017 6:45 pm
Forum: Civil Aviation
Topic: Boeing officially forms program office to flesh out 797 plans
Replies: 762
Views: 131792

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

The the 767 non ER models had a wing and structure sized correctly they would both be lighter and would clearly beat both 757. Please explain this, and how come neither Boeing nor Airbus were successful at making this aircraft for all those years. Because it wasn't the goal. The 767 and 777 were bo...

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by Stitch
Sun Dec 10, 2017 3:29 am
Forum: Technical/Operations
Topic: 747-8F vs 777F
Replies: 15
Views: 3470

Re: 747-8F vs 777F

Did Boeing really say this? Yes, because there is not a freighter version of the 777-8 and probably will not be for some years after entry into service for the type. Is it not the case that shoe-horning an old-style 777F into the 777-X production line will be problematic, and add costs to the syste...

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by Stitch
Sun Dec 10, 2017 1:52 am
Forum: Technical/Operations
Topic: 747-8F vs 777F
Replies: 15
Views: 3470

Re: 747-8F vs 777F

Does anyone know how the 777F and the 747-8F are doing against each other? The 747-8 has secured a total of 89 orders through the end of November. The 777F has secured a total of 165 orders through the end of November. So the 777F is about twice as popular as the 747-8F in terms of orders. Boeing i...

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by Stitch
Sat Dec 09, 2017 6:15 am
Forum: Civil Aviation
Topic: A380 Production Thread Part 19
Replies: 1482
Views: 182801

Re: A380 Production Thread Part 19

speedbird52 wrote:
To my knowledge ANA are taking delivery of the two Skymark A380s plus one new order.

7BOEING7 wrote:
Didn't EK take the two Skymark airplanes and ANA is getting three new builds?


This is correct - the Skymark frames went to EK and NH will receive new builds.

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by Stitch
Fri Dec 08, 2017 12:51 am
Forum: Civil Aviation
Topic: Lithium-ion battery fails on UA 787 flight
Replies: 302
Views: 72221

Re: Lithium-ion battery fails on UA 787 flight

If the blade failure is required to be reportable, however, there is a difference. I'm not certain one way or the other, but I assumed it was. I expect it is, as well. But the crux is that if the NTSB viewed a battery venting event as something worth being reported, it would be. They make the rules...

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by Stitch
Thu Dec 07, 2017 7:02 pm
Forum: Civil Aviation
Topic: Airbus And Boeing 2017 Orders
Replies: 439
Views: 115402

Re: Airbus And Boeing 2017 Orders

Slug71 wrote:
Could it be LN 1437 for QR as the registration has been changed over yet?


Qatar Cargo's two 747-8Fs were recorded on 16 July as a UFO so unless they just ordered another one (as a UFO)...

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by Stitch
Thu Dec 07, 2017 5:56 pm
Forum: Civil Aviation
Topic: Lithium-ion battery fails on UA 787 flight
Replies: 302
Views: 72221

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 Stitch
Thu Dec 07, 2017 5:29 pm
Forum: Civil Aviation
Topic: Lithium-ion battery fails on UA 787 flight
Replies: 302
Views: 72221

Re: Lithium-ion battery fails on UA 787 flight

LN002 successfully landed at Laredo International on the RAT and their runways are between 650m and 1500m shorter than Lajes Field where TS236 landed. with running engines. the RAT dropped out from the short circuit. We actually don't know on which path brake energy was sourced. Anyway, they hadn't...

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by Stitch
Thu Dec 07, 2017 5:23 pm
Forum: Civil Aviation
Topic: Qantas considering 777-8 or A359ULR to replace 744ER's to fly SYD-JFK and SYD-LHR non-stop
Replies: 897
Views: 172974

Re: Qantas considering 777-8 or A359ULR to replace 744ER's to fly SYD-JFK and SYD-LHR non-stop

Qantas and BA fly with 388 pax all the time,very profitably. This plane config would probably be even more premium configured. Perhaps 360. If they find the Perth Lhr route works like gangbusters and it's what 'the people' want then why not? An 80% load-factor can be profitable on the one-stop rout...

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by Stitch
Thu Dec 07, 2017 4:54 pm
Forum: Civil Aviation
Topic: Lithium-ion battery fails on UA 787 flight
Replies: 302
Views: 72221

Re: Lithium-ion battery fails on UA 787 flight

Has the failure rate calculations changed from when the 787 was certified? Or are they still predicting the failures at the rate as before the 2013 problems? I don't know, but I would not be surprised if it is less conservative (predictive of a higher failure rate) than before. There have been over...

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by Stitch
Thu Dec 07, 2017 5:43 am
Forum: Civil Aviation
Topic: Would be possible to stretch the A321 to the DC-8-63 lenght?
Replies: 33
Views: 8235

Re: Would be possible to stretch the A321 to the DC-8-63 lenght?

winstonlegthigh wrote:
Similar to what a 787-3 would have been if there had been any interest?


The 787-3 was the same length as the 787-8 (57m).

What LH526 is suggesting is a strong shrink - at least 10m or more (so from 67m to 50-55m).

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by Stitch
Thu Dec 07, 2017 2:43 am
Forum: Civil Aviation
Topic: DHL orders additional A330-300 P2F
Replies: 124
Views: 27552

Re: DHL orders additional A330-300 P2F

After the modification, does the passenger cabin hold same type of containers as the cargo hold (LD3/2 etc)? Or can they hold bigger size containers, as passenger area is much bigger? The main deck can take much larger pallets and ULDs then the hold. On an A330, the most common size pallet/ULD woul...

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by Stitch
Wed Dec 06, 2017 10:39 pm
Forum: Civil Aviation
Topic: Lithium-ion battery fails on UA 787 flight
Replies: 302
Views: 72221

Re: Lithium-ion battery fails on UA 787 flight

Since Li-ion battery failure is no longer a safety issue on the 787, why should you or the relevant safety authorities be concerned about the reliability of the batteries? When I say I, I mean to say the only thing I think the safety authorities may look at is the rate of failure of the batteries a...

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by Stitch
Wed Dec 06, 2017 10:16 pm
Forum: Civil Aviation
Topic: DHL orders additional A330-300 P2F
Replies: 124
Views: 27552

Re: DHL orders additional A330-300 P2F

plugging windows counts per plugged window. There is no penalty for plugging more :-) Some people have said that on large planes with lots of windows the combined weight of the plugs was greater than the combined weight of the windows removed. Others noted on smaller planes with less windows that t...

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by Stitch
Wed Dec 06, 2017 9:44 pm
Forum: Civil Aviation
Topic: Delta to issue RFP for up to 150 Narrowbodies
Replies: 399
Views: 80538

Re: Delta to issue RFP for up to 150 Narrowbodies

Prost wrote:
Is there an advantage to ordering planes in smaller tranches than UA or AA (or Lion et al) do? A 150 plane deal doesn’t get the headlines that a 400 plane deal gets, but in the end, does it matter?


You spend a fair bit less money while still generally getting very favorable pricing.

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by Stitch
Wed Dec 06, 2017 5:18 pm
Forum: Civil Aviation
Topic: DHL orders additional A330-300 P2F
Replies: 124
Views: 27552

Re: DHL orders additional A330-300 P2F

What do they replace the windows with? Is it more like aluminum like the aircraft's outer skin? The windows are removed and an aluminum plug is installed in it's place. Does that save weight ? Otherwise why the trouble? From what I hear, the weight is a wash (the more windows you plug, the heavier ...

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by Stitch
Wed Dec 06, 2017 5:16 pm
Forum: Civil Aviation
Topic: Qantas considering 777-8 or A359ULR to replace 744ER's to fly SYD-JFK and SYD-LHR non-stop
Replies: 897
Views: 172974

Re: Qantas considering 777-8 or A359ULR to replace 744ER's to fly SYD-JFK and SYD-LHR non-stop

You all seem to have talked yourselves into thinking the 778 is the right aircraft for this mission. I think it is too big. The nonstop is going to be a highly premium product, requiring premium pricing in both J and W to succeed, and the smaller plane will make it easier to drive that pricing. The...

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by Stitch
Wed Dec 06, 2017 5:05 pm
Forum: Civil Aviation
Topic: Lithium-ion battery fails on UA 787 flight
Replies: 302
Views: 72221

Re: Lithium-ion battery fails on UA 787 flight

All the special conditions related to Li batteries on the 787 are FAA documents. Correct, but those conditions were relayed back through the supply chain and local certifying authorities - in this case, the JCAB for GS Yuasa - signed off that those conditions had been met by GS Yuasa. The FAA then ...

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by Stitch
Wed Dec 06, 2017 4:58 pm
Forum: Civil Aviation
Topic: DHL orders additional A330-300 P2F
Replies: 124
Views: 27552

Re: DHL orders additional A330-300 P2F

blrsea wrote:
What do they replace the windows with? Is it more like aluminum like the aircraft's outer skin?


The windows are removed and an aluminum plug is installed in it's place.

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by Stitch
Wed Dec 06, 2017 4:55 pm
Forum: Military Aviation & Space Flight
Topic: KC-46 Production, Testing And Delivery
Replies: 1380
Views: 81412

Re: KC-46 Production, Testing And Delivery

WIederling wrote:
i.e. is this frame a late/fresh or an early/from storage production item?


This is one of the 18 frames Boeing is contractually required to deliver by October 2018 so it is a recent build.

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by Stitch
Wed Dec 06, 2017 4:56 am
Forum: Civil Aviation
Topic: Japan Airlines and Boom Announce Partnership for Supersonic Air Travel
Replies: 41
Views: 8638

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

Tokyo, Japan and Denver, Colorado - Dec. 5, 2017 - Japan Airlines (JAL) and Boom Supersonic are pleased to announce a strategic partnership to bring commercial supersonic travel to passengers. JAL ordered three Concordes...I expect this has as much a chance of flying in their colors as those did. :...

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by Stitch
Wed Dec 06, 2017 4:47 am
Forum: Civil Aviation
Topic: Lithium-ion battery fails on UA 787 flight
Replies: 302
Views: 72221

Re: Lithium-ion battery fails on UA 787 flight

I hope I'm not just being tiresome in reiterating my stance, but with the prior mention of 3Ah and 9Ah cells, it sounds to me like those figures are not being understood correctly. Probably not since I am not an electrical engineer. I just divided the Ah by the number of cells. If that's wrong, fin...

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by Stitch
Wed Dec 06, 2017 3:06 am
Forum: Civil Aviation
Topic: When will Boeing and Airbus launch the replacements for 737 and A320 families
Replies: 26
Views: 10675

Re: When will Boeing and Airbus launch the replacements for 737 and A320 families

irelayer wrote:
Whatever happened to Y1? Did that turn into the 797?


Well it turned into NSA - New Small Airplane. As to what it's commercial designation will be, if NMA takes 797...

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by Stitch
Wed Dec 06, 2017 3:04 am
Forum: Civil Aviation
Topic: Lithium-ion battery fails on UA 787 flight
Replies: 302
Views: 72221

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 Stitch
Wed Dec 06, 2017 2:26 am
Forum: Civil Aviation
Topic: Lithium-ion battery fails on UA 787 flight
Replies: 302
Views: 72221

Re: Lithium-ion battery fails on UA 787 flight

So..... let's get back to the other bit of nonsense; what about the WEIGHT? All through this thread, the main thrust was that Boeing made vital WEIGHT savings using this battery design. The reason Boeing (and Airbus) went to Li-Ion in the first place was to save weight and maintenance costs compare...

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by Stitch
Wed Dec 06, 2017 1:54 am
Forum: Civil Aviation
Topic: Lithium-ion battery fails on UA 787 flight
Replies: 302
Views: 72221

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 Stitch
Wed Dec 06, 2017 1:15 am
Forum: Civil Aviation
Topic: Lithium-ion battery fails on UA 787 flight
Replies: 302
Views: 72221

Re: Lithium-ion battery fails on UA 787 flight

Let's just say I am going to be REALLY INTERESTED to see your alternative math! Eh when I try and do this stuff too quickly I tend to get derailed onto erroneous paths for my math. :embarrassed2: Each 787 cell is 9Ah of capacity whereas each A350 cell is 3Ah of capacity so I just multiplied the A35...

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by Stitch
Tue Dec 05, 2017 11:59 pm
Forum: Civil Aviation
Topic: Lithium-ion battery fails on UA 787 flight
Replies: 302
Views: 72221

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 Stitch
Tue Dec 05, 2017 9:43 pm
Forum: Civil Aviation
Topic: VS to lease 4 A332's to cover 789 downtime
Replies: 126
Views: 33349

Re: VS to lease 4 A332's to cover 789 downtime

Why are the Trents on 787 having issues and not all the others on A330 and A380's? Sulfidisation is an issue with every jet engine and can lead to cracks and blade failures. The Trent 1000 instituted a new process for the turbine blades in the intermediate-pressure turbine and this process ended up...

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by Stitch
Tue Dec 05, 2017 8:59 pm
Forum: Civil Aviation
Topic: VS to lease 4 A332's to cover 789 downtime
Replies: 126
Views: 33349

Re: VS to lease 4 A332's to cover 789 downtime

MANMatthew wrote:
Presumably VS will bill Boeing for this? Or is it just an insurance job?


All of Virgin Atlantic's Trent engines are under a TotalCare maintenance agreement with Rolls-Royce so this will be handled between them and RR.

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by Stitch
Tue Dec 05, 2017 8:55 pm
Forum: Civil Aviation
Topic: Lithium-ion battery fails on UA 787 flight
Replies: 302
Views: 72221

Re: Lithium-ion battery fails on UA 787 flight

mjoelnir wrote:
Again, I do not disagree with the current solution


Nor do I, which is why I am not apologizing for Boeing and the FAA, but instead disagreeing that only GS Yuasa should be considered "at fault" for the issues as the battery manufacturer.

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by Stitch
Tue Dec 05, 2017 8:04 pm
Forum: Military Aviation & Space Flight
Topic: KC-46 Production, Testing And Delivery
Replies: 1380
Views: 81412

Re: KC-46 Production, Testing And Delivery

Given the low production rate, it's almost amazing how many aircraft have been built already. The photo below doesn't even include all aircraft. First flight was over two years ago and I expect Boeing has been producing around one a month since so that would be at least two dozen. The original plan...

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by Stitch
Tue Dec 05, 2017 6:24 pm
Forum: Civil Aviation
Topic: Qantas considering 777-8 or A359ULR to replace 744ER's to fly SYD-JFK and SYD-LHR non-stop
Replies: 897
Views: 172974

Re: Qantas considering 777-8 or A359ULR to replace 744ER's to fly SYD-JFK and SYD-LHR non-stop

What Mr. Teal is saying that if QF has, say, eight desires, the 777-8 falls short of meeting all eight, but it exceeds, say, five. How can they both fall short and exceed five of those eight desires at the same time? They fall short of meeting all eight together (as a combined aggregate), while sti...

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by Stitch
Tue Dec 05, 2017 6:16 pm
Forum: Civil Aviation
Topic: Lithium-ion battery fails on UA 787 flight
Replies: 302
Views: 72221

Re: Lithium-ion battery fails on UA 787 flight

So a corporation in battery business since 1915 forgot to include "the box" in its original design. As SheikhDjibouti notes, the upstream integrator (I believe Thales) and Boeing would have been responsible for the containment definition and implementation (with advice from GS Yuasa). Bas...

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by Stitch
Tue Dec 05, 2017 6:00 pm
Forum: Civil Aviation
Topic: Qantas considering 777-8 or A359ULR to replace 744ER's to fly SYD-JFK and SYD-LHR non-stop
Replies: 897
Views: 172974

Re: Qantas considering 777-8 or A359ULR to replace 744ER's to fly SYD-JFK and SYD-LHR non-stop

The guy contradicts himself in the same sentence. He should be a politician. What Mr. Teal is saying that if QF has, say, eight desires, the 777-8 falls short of meeting all eight, but it exceeds, say, five. The goal now is to try and meet/exceed as many of those eight desires as they can. If Mr. T...

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by Stitch
Tue Dec 05, 2017 4:35 pm
Forum: Civil Aviation
Topic: Boeing officially forms program office to flesh out 797 plans
Replies: 762
Views: 131792

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

Feels to me like the main thing that has caused the A320NEO to stumble is the concerns over the P+W GTF and the impact on the NEO ramp up. The CFM / PW split is almost dead-on 50/50, but I kind of believe a customer who wanted the A320neo could get one with CFM (even if not their desired choice) as...

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by Stitch
Tue Dec 05, 2017 12:30 am
Forum: Civil Aviation
Topic: Boeing officially forms program office to flesh out 797 plans
Replies: 762
Views: 131792

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

Here's the question: might the 797 be a serious rework of the Sonic Cruiser design? If the larger MOM is meant to be a West Coast-Hawaii, or TATL vehicle ranged, would a Sonic Cruiser type aircraft be viable? The fuel burn penalty of Mach 0.95 flight would pretty much kill the economics of the type...

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by Stitch
Mon Dec 04, 2017 11:20 pm
Forum: Military Aviation & Space Flight
Topic: KC-46 Production, Testing And Delivery
Replies: 1380
Views: 81412

Re: KC-46 Production, Testing And Delivery

If true, first delivery at the end of Q1 next year will be difficult. Well they have until October 2018 to deliver 18 certified KC-46s and nine refueling pods before any late delivery penalties kick in. That being said, the USAF feels that an expected March 2018 delivery may now not happen that qui...

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by Stitch
Mon Dec 04, 2017 10:04 pm
Forum: Civil Aviation
Topic: Boeing officially forms program office to flesh out 797 plans
Replies: 762
Views: 131792

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

I understand the reasoning, but I don't agree with it. One could argue that the "working out the kinks" part was done with the 787-program. Boeing has spent an enormous amount of resources into that program, and they have also learned a whole lot from it....Spending another $10 billion (o...

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by Stitch
Mon Dec 04, 2017 8:52 pm
Forum: Civil Aviation
Topic: Boeing officially forms program office to flesh out 797 plans
Replies: 762
Views: 131792

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

3000 nm is the exact distance from JFK to LHR. Still air. No reserves. A plane designed for 3000 nm pax and bags only will be very marginal - see Leeham's analysis of the A321LR carrying 206 pax between JFK and LHR. Also, lie-flat seats have become a competitive feature over the Atlantic and only t...

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by Stitch
Mon Dec 04, 2017 8:21 pm
Forum: Civil Aviation
Topic: Lithium-ion battery fails on UA 787 flight
Replies: 302
Views: 72221

Re: Lithium-ion battery fails on UA 787 flight

scbriml wrote:
Can anyone confirm one way or the other?


It is Stainless Steel, though the fixtures attaching it to the electronics bays are titanium.

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by Stitch
Mon Dec 04, 2017 8:16 pm
Forum: Civil Aviation
Topic: Boeing officially forms program office to flesh out 797 plans
Replies: 762
Views: 131792

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

I suspect a weak reaction from airlines to the MoM I causing B to start downplaying a 250 passenger 5000nm aircraft. According to reports, a few potential major customers are the ones pushing Boeing to make it a 5000nm frame whereas 3000nm seems to be the preferred design range to maximize efficien...

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by Stitch
Mon Dec 04, 2017 7:41 pm
Forum: Civil Aviation
Topic: How Far can the AA MAX Fly?
Replies: 14
Views: 3492

Re: How Far can the AA MAX Fly?

Note those ranges given are design ranges, so passengers and baggage only. They're also in a Boeing OEM configuration and using more liberal mission rules than an airline might. A 737-8(00) should be able to do ANC-DFW, but the traffic appears to not be there for a non-stop as Alaska prefers a stop ...

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by Stitch
Mon Dec 04, 2017 7:29 pm
Forum: Civil Aviation
Topic: Lithium-ion battery fails on UA 787 flight
Replies: 302
Views: 72221

Re: Lithium-ion battery fails on UA 787 flight

In regards to all the concern about batteries and fires, we should not forget that the most serious battery-related fire aboard a 787 was the Ethiopian 787 in London-Heathrow when the lithium manganese-dioxide battery in the Honeywell Emergency Locator Transmitter caught fire due to a pinched wire d...

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by Stitch
Mon Dec 04, 2017 6:57 pm
Forum: Civil Aviation
Topic: Lithium-ion battery fails on UA 787 flight
Replies: 302
Views: 72221

Re: Lithium-ion battery fails on UA 787 flight

I'm confused; is the Boeing 787 using the "tried & tested" formulation, or the "holy grail" formulation still under development? At the time Boeing sourced the design for the batteries (which was years before the 787 first flew, much less entered service), "LiFePO4"...

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by Stitch
Mon Dec 04, 2017 5:27 pm
Forum: Civil Aviation
Topic: Lithium-ion battery fails on UA 787 flight
Replies: 302
Views: 72221

Re: Lithium-ion battery fails on UA 787 flight

Boeing's 787 could very easily manage with older tried & tested Li-Ion formulations. It would add a few kg to the empty weight of the 'frame, and reduce the effective payload by an equally small amount, but it isn't in itself going to stop the aircraft from performing 99.98% of it's current spe...

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by Stitch
Mon Dec 04, 2017 5:16 pm
Forum: Civil Aviation
Topic: Boeing officially forms program office to flesh out 797 plans
Replies: 762
Views: 131792

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

46% of the market wants 150-200 seats, and 27% wants 200-250 seats. 13% actually wants less than 150 seats. That sounds more like a 737 replacement to me. I think developing a new "MoM" aircraft for the 200+ pax market only is a mistake by Boeing. They should focus on developing a three s...

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