Search found 3211 matches

  • 1
  • 2
  • 3
  • 4
  • 5
  • 65
by WIederling
Sun Apr 30, 2017 3:10 pm
Forum: Civil Aviation
Topic: Lufthansa might change Long-Haul order
Replies: 123
Views: 26898

Re: Lufthansa might change Long-Haul order

I agree about Leeham seeming a little anti-Boeing nowadays. I have been following them for years and it is something that seeped in slowly over that time. Afaics this is based on Boeing increasingly exuding more fodder for reporting negatively. Balanced reporting is regularly misunderstood. It is n...

Jump to post
-->

JohnKrist wrote:
WIederling wrote:
qf789 wrote:
The thread was not stolen, it was removed as it violated forum rules


lead me!?


Looking at what you wrote I'd bet it's rule n. which you can find here:

forumrules.php


OK. Thanks.

Jump to post
by WIederling
Tue Apr 25, 2017 4:31 pm
Forum: Technical/Operations
Topic: Aerodynamics...
Replies: 11
Views: 1417

Re: Aerodynamics...

But the flying wing or BWB is far more aerodynamic than a cigar with wings. Exactly. Current military incarnations of the flying wing are a compromise between fuel efficiency, the need for stealth, and the ability to carry large payloads. A basic flying wing with no stealth requirements will always...

Jump to post
by WIederling
Tue Apr 25, 2017 6:32 am
Forum: Site Related
Topic: The suprising case of the vanishing topic :-)
Replies: 4
Views: 142

Re: The suprising case of the vanishing topic :-)

qf789 wrote:
The thread was not stolen, it was removed as it violated forum rules


lead me!?

Jump to post
by WIederling
Mon Apr 24, 2017 2:29 pm
Forum: Non-Aviation
Topic: The U.S. must not act in North Korea on unilateral basis.
Replies: 123
Views: 3181

Re: The U.S. must not act in North Korea on unilateral basis.

The leader of the country executes people with anti aircraft guns, demands work from all the citizens at all times, demands that no citizen can have his hair style, is capable of nukes... DPRK IS a threat. What we pretty much have is two children with hammers in a china shop. The leader of another ...

Jump to post
by WIederling
Mon Apr 24, 2017 1:55 pm
Forum: Non-Aviation
Topic: French presidential election, 1st round April 23 runoff May 7
Replies: 47
Views: 1529

Re: French presidential election, 1st round April 23 runoff May 7

pylon101 wrote:
However, many Trump's supporters can not understand his foreign policies.


IMU a bit of a double whammy.
The supporters lack capability, Trump lacks coherence.

_appearing_ incoherent can be leveraged as an advantage. But you need some real objective behind that.

Jump to post
by WIederling
Mon Apr 24, 2017 1:45 pm
Forum: Technical/Operations
Topic: Boeing 787-10 Range vs A350-900
Replies: 43
Views: 6863

Re: boeing787-1000 range vs a350-900

So, needs more MTOW for more fuel on top of payload for more range with the same payload. . .After adding 4t for additional weight of the MLG gets range upto ~13.5hrs. . Where will you put that bigger MLG? IF that would be so easy I'd assume that Boeing would have long done it. At least for the 781...

Jump to post
by WIederling
Mon Apr 24, 2017 10:55 am
Forum: Site Related
Topic: The suprising case of the vanishing topic :-)
Replies: 4
Views: 142

The suprising case of the vanishing topic :-)

On occasion an interesting and constructively handled topic vanishes without any trace. My latest peeve: "Electric STOL prototype flies." referencing this : http://www.dailymail.co.uk/travel/travel_news/article-3579328/Is-future-private-jets-world-s-electric-vertical-landing-jet-fly-garden...

Jump to post
by WIederling
Mon Apr 24, 2017 6:34 am
Forum: Civil Aviation
Topic: Boeing 777X - Updated Information And Developments
Replies: 2237
Views: 98521

Re: Boeing 777X - Updated Information And Developments

Grandfathering came about to protect owners of earlier-build aircraft, ships and buildings having to retrospectively comply with new standards. It's Airbus and Boeing that persuaded/lobbied authorities to grandfather new models, something incidentally that is not permitted in most countries in resp...

Jump to post
by WIederling
Sun Apr 23, 2017 4:41 pm
Forum: Technical/Operations
Topic: Boeing 787-10 Range vs A350-900
Replies: 43
Views: 6863

Re: boeing787-1000 range vs a350-900

Yes because it might have required even more reinforcement of the fuselage to carry more fuel, at the moment it is heavier because of the stretch, but with same MTOW The 787-10 has the same fuel capacity as the 787-9. and usually never maxed out there. So, needs more MTOW for more fuel on top of pa...

Jump to post
by WIederling
Sun Apr 23, 2017 4:12 pm
Forum: Technical/Operations
Topic: Aircraft assembly line
Replies: 3
Views: 714

Re: Aircraft assembly line

https://www.youtube.com/watch?v=4rLCsC2 ... n5Yfjo8j-F
-->

Good info on Airbus A320 FAL structures is available via a multipart youth TV series following an LH A321 through the process.
See: https://www.youtube.com/watch?v=4rLCsC2 ... n5Yfjo8j-F

Jump to post
by WIederling
Sun Apr 23, 2017 3:06 pm
Forum: Civil Aviation
Topic: Boeing 777X - Updated Information And Developments
Replies: 2237
Views: 98521

Re: Boeing 777X - Updated Information And Developments

Do you have evidence to prove the 737NG cabin isn't certified to 14g standards? I'm genuinely curious as i haven't seen anything outside "anet facts" to suggest this was the case. Surely this applies to the a330/340 developed from the a300 fuselage as well? IMU the change was in the 70tie...

Jump to post
by WIederling
Sun Apr 23, 2017 2:41 pm
Forum: Technical/Operations
Topic: Aerodynamics...
Replies: 11
Views: 1417

Re: Aerodynamics...

If you're talking about optimizing fuel economy only, the "perfect shape" is a "flying wing" a la the B2 bomber. Stealth craft tend to not shine in the "perfect aerodynamic shape" domain. :-) B2 takes MTOW * .5 for 10,000nm range ( no payload, unrefueled from Janes via...

Jump to post
by WIederling
Sun Apr 23, 2017 11:18 am
Forum: Civil Aviation
Topic: Boeing 777X - Updated Information And Developments
Replies: 2237
Views: 98521

Re: Boeing 777X - Updated Information And Developments

I would assume the lighter weight of the 737NG vs the 320 is due to the narrower fuselage, not grandfathering. What standards exactly were changed? MTOW difference is 79t vs 78t. IMU some "achieved height above runway" at the end of the runway and initial climb (all one engine out, requir...

Jump to post
by WIederling
Sun Apr 23, 2017 11:06 am
Forum: Civil Aviation
Topic: Boeing 777X - Updated Information And Developments
Replies: 2237
Views: 98521

Re: 777 9 design details

The article says: Might just as well have said "1 inch wider", no? Or would that dignify the imperial measurements too much? So I'm guessing someone was quoted as saying "about an inch", which an overly pedantic editor then converted to International Standard for the benefit of ...

Jump to post
by WIederling
Sun Apr 23, 2017 9:32 am
Forum: Military Aviation & Space Flight
Topic: Sorry Elon, You're Not Going to Colonize Planets
Replies: 124
Views: 10600

Re: Sorry Elon, You're Not Going to Colonize Planets

I like the fact that "wtf do we do when machines wake up" angst is becoming more and more common in entertainment these days. It's something we need to think about. Zombies and such too. "Everybody is out to get us" angst in the US is rather well founded by historic and current ...

Jump to post
by WIederling
Sun Apr 23, 2017 8:58 am
Forum: Non-Aviation
Topic: The U.S. must not act in North Korea on unilateral basis.
Replies: 123
Views: 3181

Re: The U.S. must not act in North Korea on unilateral basis.

The "North Korean regime" is doing its best in what it needs to do - protect its country and its citizens, . If you read the accounts of people who have escaped North Korea concern for it's citizens is way down on the list for Kim and his band of merry men. If it were they wouldn't have a...

Jump to post
by WIederling
Sun Apr 23, 2017 8:27 am
Forum: Civil Aviation
Topic: a318neo ?
Replies: 34
Views: 5458

Re: a318neo ?

The ACJ318 must have been over ranged" already., right?
( What weight does fuel cost have in ACJ ops? Would the markup for NEO be worth it? )

Smallest ACJ with new engines will now be based on the A319NEO.

Jump to post
by WIederling
Sat Apr 22, 2017 9:17 am
Forum: Non-Aviation
Topic: Arkansas Wants To Carry Out Death Sentences In Bulk
Replies: 93
Views: 1786

Re: Arkansas Wants To Carry Out Death Sentences In Bulk

sccutler wrote:
Plus (and what a bonus this is!), every now and again, we'd avoid executing someone who didn't freakin' do it.


Like two out of three?

The death penalty is needed to make those conjured up criminal cases stick and turn them unrevocable.

Jump to post
by WIederling
Sat Apr 22, 2017 9:04 am
Forum: Civil Aviation
Topic: Airbus MoM / NMA / A310 replacement, 2025?
Replies: 120
Views: 11998

Re: Airbus MoM / NMA / A310 replacement, 2025?

I'm not the biggest fan of a.net doctrine, but that is correct. The A332 was a popular shrink but probably because the A333 was underpowered with low MTOW at the time. A332 shrink was the perfect decision for Airbus at the time. ( At its best time the A332 strongly dominated A330 deliveries.) while...

Jump to post
by WIederling
Thu Apr 20, 2017 12:13 pm
Forum: Technical/Operations
Topic: Jet-powered flying boat technical feasability
Replies: 26
Views: 2512

Re: Jet-powered flying boat technical feasability

To be clear: Flying boats use their fuselage for primary flotation. The fuselage is a boat. Seaplanes float of pontoons Amphibians can be either sea planes (e.g.Cessna Caravan or Twin Otter) or flying boats (PBY-A Catalinas , CL-215, Beriev B200) I agree with your definitions but I'm struggling to ...

Jump to post
by WIederling
Wed Apr 19, 2017 7:08 am
Forum: Civil Aviation
Topic: Bloomberg: "Boeing to Dismiss Hundreds of Engineers Amid Sales Slowdown"
Replies: 29
Views: 5953

Re: Bloomberg: "Boeing to Dismiss Hundreds of Engineers Amid Sales Slowdown"

Another one: Firing engineers may also mean that we may not see the MOM beeing a Project quickly. Flyglobal Not an issue, Boeing can reattempt risk sharing partners concept. Partners will do all the skilled work, cheap assembly workers will build it and Boeing just slap the brand and collect the ch...

Jump to post
by WIederling
Wed Apr 19, 2017 7:01 am
Forum: Civil Aviation
Topic: A330 NEO Production And Delivery Thread Part 1
Replies: 306
Views: 69250

Re: A330 NEO Production And Delivery Thread Part 1

With the downturn in Wide bodies, seems like it would make more sense going ahead with the A350-800 than the A330NEOs(1 vs 2). Brilliant idea. throwing an expensive to create product into a slump. When the slump is done everybody will then look to slightly upsized frames. ( IMU the -800 XWB was a b...

Jump to post
by WIederling
Tue Apr 18, 2017 6:53 am
Forum: Non-Aviation
Topic: Trump considering options for Syria retaliation!
Replies: 225
Views: 5555

Re: Trump considering options for Syria retaliation!

Braybuddy wrote:
Planeflyer wrote:
In cases like this it's good to be skeptical but after a while objective reality should guide us.

Sadly lacking on here. A good BS filter can help too.


for a happy existence in your filter bubble. :-)

Jump to post
by WIederling
Tue Apr 18, 2017 6:51 am
Forum: Technical/Operations
Topic: Electrical Systems
Replies: 14
Views: 1499

Re: Electrical Systems

Many also have a provision for a charge start. The crewchief can insert a big shotgun like shell into a starter on the motor and fire it off. The blast gives enough air to get the motor turning for start. Ah, the ominous "Coffman Starter" from Flight of the Phoenix. :-) https://en.wikiped...

Jump to post
by WIederling
Mon Apr 17, 2017 4:26 pm
Forum: Non-Aviation
Topic: Syria and North Korea: Is regime change inevitable now under Trump?
Replies: 40
Views: 1683

Re: Syria and North Korea: Is regime change inevitable now under Trump?

aerosreenivas wrote:
Sadly, there are no trustable leaders to replace them.


Which must have been apparent even to the US governing intelligentsia for a long time.

Deduct from there what the US wants to achieve with any of the regime change ops.

Jump to post
by WIederling
Sun Apr 16, 2017 4:47 pm
Forum: Non-Aviation
Topic: Trump considering options for Syria retaliation!
Replies: 225
Views: 5555

Re: Trump considering options for Syria retaliation!

Braybuddy wrote:
Maybe I'm missing something, but the conference seems to be going ahead?


You mix intention and success.

Jump to post
by WIederling
Sun Apr 16, 2017 12:35 pm
Forum: Technical/Operations
Topic: Any chance to see a A350-1000 LR?
Replies: 41
Views: 4673

Re: Any chance to see a A350-1000 LR?

This whole LR aircraft concept is increasingly OBE...previous examples were essentially duds: the A345 and 772LR. A345 and 772LR were bespoke types .. with the assocciated high cost of producing a separate type and the limited useability of a niche product. A350URL is nothing more than an option pa...

Jump to post
by WIederling
Sun Apr 16, 2017 12:25 pm
Forum: Military Aviation & Space Flight
Topic: Indonesia orders 5 A400M aircraft
Replies: 26
Views: 3859

Re: Indonesia orders 5 A400M aircraft

US$400m per bird is quite a pricey buy! I'm assuming this price includes a whole load of spares and some sort of maintenance deal lessening the ongoing operational costs. As others have mentioned, the RNZAF is also looking to replace their 5x C-130H. While bigger I would imagine they would still wa...

Jump to post
by WIederling
Sun Apr 16, 2017 12:18 pm
Forum: Non-Aviation
Topic: Trump considering options for Syria retaliation!
Replies: 225
Views: 5555

Re: Trump considering options for Syria retaliation!

As you note this is about "reason". To accept this evidence as "compelling" needs lack of reason. ( actually and imho some large amount of gullibility.) Yet you are prepared to accept Assad's version, for which there is zero evidence? I really don't need Assad or Putin or Braybu...

Jump to post
by WIederling
Sun Apr 16, 2017 12:05 pm
Forum: Technical/Operations
Topic: Airbus Flies First 3D-Printed Flight Control Component
Replies: 6
Views: 871

Re: Airbus Flies First 3D-Printed Flight Control Component

http://3dprinthq.com/airbus-1000-3d-pri ... -aircraft/
-->

mham001 wrote:
Boeing is using hundreds of printed plastic parts - today.


3D plastic parts is news from yesteryear:
http://3dprinthq.com/airbus-1000-3d-pri ... -aircraft/

Jump to post
by WIederling
Sun Apr 16, 2017 11:01 am
Forum: Non-Aviation
Topic: Can someone explain Donald Trump ?
Replies: 57
Views: 1842

Re: Can someone explain Donald Trump ?

It's doubtful that the 2 % will happen during Trump's 4-8 years in office. Whatever. The US doesn't spend 2% on "defense". What they spend money on is power projection conjoined with aggression. All the "Cold War US protecting their partners and friends" would have brought "...

Jump to post
by WIederling
Sun Apr 16, 2017 10:57 am
Forum: Non-Aviation
Topic: Syria and North Korea: Is regime change inevitable now under Trump?
Replies: 40
Views: 1683

Re: Syria and North Korea: Is regime change inevitable now under Trump?

Yes I agree that things were going well, but then Kim got over confident, encouraged by his advisers no doubt, and fired off too many test missiles and China failed to reel him in so he got a bit bolder, which is where we are today. The turning point was the denial of a Peace Treaty to replace the ...

Jump to post
by WIederling
Sun Apr 16, 2017 9:39 am
Forum: Non-Aviation
Topic: Can someone explain Donald Trump ?
Replies: 57
Views: 1842

Re: Can someone explain Donald Trump ?

Actually, the Germans have told him to piss off and they are the only ones who actually could pony up significantly more. Yet he seems to be OK with NATO these days. I do have the feeling that the US government was informed via side channels that being a sovereign country we could just stop paying ...

Jump to post
by WIederling
Sun Apr 16, 2017 7:29 am
Forum: Technical/Operations
Topic: Boeing uses first FAA-approved 3D-printed parts for the 787
Replies: 7
Views: 949

Re: Boeing uses first FAA-approved 3D-printed parts for the 787

Astounding! I suspect almost every titanium part is up for consideration. producing high quality Titanium stock is expensive. Producing Titanium ( or some Ti-alloy ) powder is much cheaper. machining Titanium is demanding. producing parts from stock material is volume inefficient ( most goes away a...

Jump to post
by WIederling
Sun Apr 16, 2017 7:22 am
Forum: Non-Aviation
Topic: MOAB vs. the Halifax Explosion
Replies: 9
Views: 867

Re: MOAB vs. the Halifax Explosion

ROTFLMAO....... the hubris of the Americans and the MOAB. I'm so sick and tired of hearing in the last week about how the Americans have dropped the largest bomb (non-nuclear) ever used in combat, blah, blah, blah, blah..... I guess when you can't be first at something, you have to be loud and TELL...

Jump to post
by WIederling
Sun Apr 16, 2017 7:15 am
Forum: Technical/Operations
Topic: Airbus Flies First 3D-Printed Flight Control Component
Replies: 6
Views: 871

Re: Airbus Flies First 3D-Printed Flight Control Component

You are confusing or refusing to acknowledge the caveat, metal vs plastic. Boeing is using hundreds of printed plastic parts - today. No confusion on my side afaics. In scope of the topic ( both here and in the Boeing/Norsk topic the object of desire is metal printed parts. OP KarelXWB in the other...

Jump to post
by WIederling
Sun Apr 16, 2017 7:09 am
Forum: Non-Aviation
Topic: Trump considering options for Syria retaliation!
Replies: 225
Views: 5555

Re: Trump considering options for Syria retaliation!

You guys are a hoot: you're prepared to completely ignore what would seem to be reasonably compelling evidence that Assad used chemical weapons, As you note this is about "reason". To accept this evidence as "compelling" needs lack of reason. ( actually and imho some large amoun...

Jump to post
by WIederling
Sat Apr 15, 2017 2:35 pm
Forum: Non-Aviation
Topic: Trump considering options for Syria retaliation!
Replies: 225
Views: 5555

Re: Trump considering options for Syria retaliation!

Braying Buddy wrote:
But you're not going to believe any of that, are you?


Actually NO.

All I would allow is destroying the storage facility and thus removing controlled access to the stuff.
.. Combined with making a major mess from releasing toxic agents.
( In his eyes probably just an added boon.)

Jump to post
by WIederling
Sat Apr 15, 2017 2:27 pm
Forum: Non-Aviation
Topic: MH370 & MH17: Spyhunter theories for his fans
Replies: 325
Views: 15483

Re: MH370 & MH17: Spyhunter theories for his fans

petertenthije wrote:
Spyhunter wrote:
I'm only a poor, humble lawyer!

Please provide your definition of humble. :-)


Scale goes from "James Britt Donovan" down to Matt666 ? ;-)

Jump to post
by WIederling
Sat Apr 15, 2017 10:58 am
Forum: Technical/Operations
Topic: Airbus Flies First 3D-Printed Flight Control Component
Replies: 6
Views: 871

Re: Airbus Flies First 3D-Printed Flight Control Component

( and FAA will hem and haw until Boeing has similar parts available :-) Boeing now does have 3D printed parts available. And quite frankly, the FAA will approve it if EASA does. IMU they don't have them available yet: http://www.popularmechanics.com/flight/airlines/a26018/boeing-printed-titanium/ T...

Jump to post
by WIederling
Sat Apr 15, 2017 10:55 am
Forum: Military Aviation & Space Flight
Topic: Seven Years Since Polish President's Plane Crashed
Replies: 3
Views: 845

Re: Seven Years Since Polish President's Plane Crashed

flyingturtle wrote:
Sadly, the Polish still won't acknowledge this clear case of pilot error.

RIP to the deceased, peace of mind to the relatives of those perished.


Politicos breathing down the neck of their pilot was at the top of the causal chain.

The Kaczynskis should have traveled together.

Jump to post
by WIederling
Sat Apr 15, 2017 10:11 am
Forum: Civil Aviation
Topic: US police officer questioned in Taiwan over gun on flight from US
Replies: 22
Views: 4862

Re: US police officer questioned in Taiwan over gun on flight from US

If the authorities in the USA would have done their work, the gun should have stayed in the USA. Strange thought, TSA should protect you, USA citizen, from mistakenly exporting a gun to a country were guns are taken seriously. Nobody in TSA is interested in guns leaving the country. For the reverse...

Jump to post
by WIederling
Sat Apr 15, 2017 9:38 am
Forum: Non-Aviation
Topic: Syria and North Korea: Is regime change inevitable now under Trump?
Replies: 40
Views: 1683

Re: Syria and North Korea: Is regime change inevitable now under Trump?

Thousands of refugees crossing the boarder into China to escape a war would bring instablility to China, something it would find frightening. Which for the US seems to be is the primary objective for keeping the embers glowing with North Korea and Kim XX. Not long ago the inter Korean peace process...

Jump to post
by WIederling
Sat Apr 15, 2017 6:49 am
Forum: Technical/Operations
Topic: Boeing uses first FAA-approved 3D-printed parts for the 787
Replies: 7
Views: 949

Re: Boeing uses first FAA-approved 3D-printed parts for the 787

going over the article the title is wrong.

No use yet.

Boeing has readied plans to have parts manufactured by Norsk including preparations for an eventual certification from the FAA.

Jump to post
by WIederling
Sat Apr 15, 2017 6:46 am
Forum: Non-Aviation
Topic: MOAB vs. the Halifax Explosion
Replies: 9
Views: 867

Re: MOAB vs. the Halifax Explosion

[quote="Tugger"Destroy more of the enemy than they can of you. "Cost", especially in currency, is many places down the list of importance. [/quote] and looking back the US has not decisively won any conflict processed in this way. Not North Korea nor Vietnam, Irak, Afghanistan .....

Jump to post
by WIederling
Fri Apr 14, 2017 7:50 pm
Forum: Technical/Operations
Topic: Boeing uses first FAA-approved 3D-printed parts for the 787
Replies: 7
Views: 949

Re: Boeing uses first FAA-approved 3D-printed parts for the 787

Anything about what parts they are going to print?
Simple structural items?
Something rather complex like the tested hydraulic control block tested on A380?

Jump to post
by WIederling
Fri Apr 14, 2017 5:20 pm
Forum: Technical/Operations
Topic: Airbus Flies First 3D-Printed Flight Control Component
Replies: 6
Views: 871

Re: Airbus Flies First 3D-Printed Flight Control Component

AirbusMDCFAN wrote:
What would the FAA have to say about this, and could we see this type of component on other Airbus aircraft?


Airbus A380 _Flight Test Aircraft_ ...

Long way to go before you see those in regular certified use.
( and FAA will hem and haw until Boeing has similar parts available :-)

Jump to post
by WIederling
Fri Apr 14, 2017 2:46 pm
Forum: Civil Aviation
Topic: A350 Production And Delivery Thread Part 17
Replies: 2419
Views: 739712

Re: A350 Production And Delivery Thread Part 17

final aero tuning ( like wing twist ). They had to this with the A380 so are you telling me A350 also has subobtimal wing design? increasing twist is the opposite to more washout ( against control loss from stalling the outer wing.) i.e they found in testing that they have reserves in stalling the ...

Jump to post
by WIederling
Fri Apr 14, 2017 1:48 pm
Forum: Civil Aviation
Topic: A350 Production And Delivery Thread Part 17
Replies: 2419
Views: 739712

Re: A350 Production And Delivery Thread Part 17

Can these improvements explain 1000 nm extra range over what they announced just last year ? payload range from ACAPS ( ?apparently for the 280t version? ) shows fuel limit @8800nm range ( remaining 25t payload.) simplistic extension for 165kl versus 156kl fuel ( 7.2t) moves that out to 9500nm rang...

Jump to post
  • 1
  • 2
  • 3
  • 4
  • 5
  • 65

Go to advanced search