Search found 10039 matches

by WIederling
Mon Apr 05, 2021 9:41 am
Forum: Military Aviation & Space Flight
Topic: curiosity about an engine application
Replies: 1
Views: 999

Re: curiosity about an engine application

You can use most any aircraft for a pseudo ballistic "ZERO-g" flight path. Size depends on how much of a playroom you go for. For the skyramp stuff I'd also look into Sängers "Silbervogel" and the BOR line of spacetransports the Soviets worked on. IMU some US projects directly bo...

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by WIederling
Sun Apr 04, 2021 5:31 pm
Forum: Military Aviation & Space Flight
Topic: Space technology that can help us preserve our environment on Earth
Replies: 19
Views: 1608

Re: Space technology that can help us preserve our environment on Earth

Have you heard about a special type of microsatellites that can observe environmental changes like sea level or melting of glaciers? With the help of that technology, scientists can approach the solution how to avoid global warming. Moreover, there is even a s pecial type of sats that can track rar...

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by WIederling
Sun Apr 04, 2021 1:10 pm
Forum: Non-Aviation
Topic: Are things once again heating up in Ukraine ?
Replies: 71
Views: 6874

Re: Are things once again heating up in the Ukraine ?

It is frightening how much the EU is dependant on Russia. You could turn that around: it’s frightening how much Russia is dependant on Europeans buying their gas. But while the EU is (slowly) moving away from fossil fuels, the same can not be said for Russia. especially the UK and the Dutch are loo...

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by WIederling
Sun Apr 04, 2021 9:36 am
Forum: Non-Aviation
Topic: European Commission Vaccination Strategy News and Discussion Thread
Replies: 1526
Views: 102431

Re: European Commission Vaccination Strategy News and Discussion Thread

The EU isn't accountable, it's the member states which are accountable. That's why the decisions made to postpone AZ vaccinations are made by the member states and not the EU. In Germany PolyTicks positioning on AZ act inside a mine field. ( public media, some politicians ( FDP,AfD ) and the twitte...

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by WIederling
Sun Apr 04, 2021 9:28 am
Forum: Non-Aviation
Topic: Florida's Rep. Gaetz Under Investigation For Underage Impropriety
Replies: 128
Views: 12261

Re: Florida's Rep. Gaetz Under Investigation For Underage Impropriety

An important point. It is said that ~3% of official rape complaints result in a prosecution (can't remember the jurisdiction) and I would guess that the statistics for complaints relating to human trafficking probably aren't much different. Probably even less favourable if someone wealthy and power...

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by WIederling
Sat Apr 03, 2021 4:16 pm
Forum: Military Aviation & Space Flight
Topic: KC-135 boom info required please
Replies: 10
Views: 2264

Re: KC-135 boom info required please

Dadofthree wrote:
I take it that info on the AAR booms is top secret and you'd have to kill me after telling me anything about them :lol:


He probably couldn't stop just there :-))

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by WIederling
Sat Apr 03, 2021 4:12 pm
Forum: Non-Aviation
Topic: Florida's Rep. Gaetz Under Investigation For Underage Impropriety
Replies: 128
Views: 12261

Re: Florida's Rep. Gaetz Under Investigation For Underage Impropriety

zkojq wrote:
Also Q: "Wait not him he's MAGA. Save our children from liberal pedophiles only!"


GOP: we definitely don't share :-)

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by WIederling
Sat Apr 03, 2021 3:16 pm
Forum: Military Aviation & Space Flight
Topic: C-17 Usage
Replies: 67
Views: 9298

Re: C-17 Usage

I really think almost every (but not all) C-17 flights are from runway to runway. .. And average load is low. discussed here years ago : less than 10t on average. Design service life targets are much lower than on commercial airframes. (IMU the reason nigh nobody in civil transport has taken up the...

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by WIederling
Fri Apr 02, 2021 3:25 pm
Forum: Civil Aviation
Topic: Discussion on Airbus ZeroE Initiative/Carbon-Free Propulsion
Replies: 68
Views: 5696

Re: Discussion on Airbus ZeroE Initiative/Carbon-Free Propulsion

If I am close to anywhere right though on where Solar costs are going - getting LH2 to $.50 or less less per gallon for LH2 how can Biomass compete with that. If that number is right that is less than the cost of Kerosene and is there enough Biomass available to eventually replace all Kerosene? are...

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by WIederling
Fri Apr 02, 2021 3:21 pm
Forum: Civil Aviation
Topic: Plane used for gender reveal party crashes in Cancun
Replies: 40
Views: 9558

Re: Plane used for gender reveal party crashes in Cancun

ramprat320 wrote:
One of the few surprises in life....Girl or Boy. Some people just need to know I guess....and have another excuse to party


gender reveal party

Isn't that just another vector to do some p*ing contest within the neighborhood/peergroup?

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by WIederling
Fri Apr 02, 2021 3:09 pm
Forum: Technical/Operations
Topic: Modern Turbofan Engine Efficiency
Replies: 40
Views: 10413

Re: Modern Turbofan Engine Efficiency

That is also why jet engines perform less efficiently in hot conditions. Think DXB in summer when it is 45 c. The greatest volume of colder bypass air versus the hottest engine core the materials can tolerant is the ideal. Isn't that primarily due to reduced air density? Thurst is M.dot, carnot eff...

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by WIederling
Thu Apr 01, 2021 5:39 pm
Forum: Military Aviation & Space Flight
Topic: Crewed or uncrewed space mission
Replies: 21
Views: 1591

Re: Crewed or uncrewed space mission

I`ve read one article about an asteroid that consists completely of gold. And it was even an idea to bring somehow this asteroid on Earth. As far as you understand this is no real and secure way how to bring this asteroid on Earth) Psyche 16, a core material asteroid. .. as published from the super...

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by WIederling
Thu Apr 01, 2021 9:54 am
Forum: Technical/Operations
Topic: Different manufacturers for jet engines #1 vs. #2
Replies: 25
Views: 4805

Re: Different manufacturers for jet engines #1 vs. #2

WayexTDI wrote:
Chaffing did happen, but the engine was indeed a (slightly) different model.


using incompatible parts for a repair != incompatible unmatched engines as cause.

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by WIederling
Tue Mar 30, 2021 7:48 am
Forum: Non-Aviation
Topic: Updated: Broken down ship in Suez Canal on the move again
Replies: 91
Views: 10950

Re: Suez Canal shut down by broken ship

The shipping lines called Egypt and said : enlarge your canal now, plan for twice bigger ships than this one ! Ports in North America are all dredging to allow bigger ships, BTW. Suez Canal. Current draft is 24m over 195m/215m width. ( More than the Malacca Strait @ 21m ) North American ports are s...

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by WIederling
Tue Mar 30, 2021 7:21 am
Forum: Non-Aviation
Topic: Updated: Broken down ship in Suez Canal on the move again
Replies: 91
Views: 10950

Re: Suez Canal shut down by broken ship

889091 wrote:
That's very interesting indeed. So it is not the first time this particular ship has had issues during times of 'high winds'.


Unsurprising.
It is the "SuperSize Me" culmination of "Big as a Barndoor". :-)

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by WIederling
Mon Mar 29, 2021 2:28 pm
Forum: Non-Aviation
Topic: Updated: Broken down ship in Suez Canal on the move again
Replies: 91
Views: 10950

Re: Suez Canal shut down by broken ship

The need bridge cams. The few ship captains I know all complain how unprofessional the canal is run. Voice recorders and bridge cams would help. They have that ( no life bridge video though, air transport doesn't have cockpit video either.) VDRs (Voyage Data Recorder) are mandatory for commercial s...

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by WIederling
Mon Mar 29, 2021 11:27 am
Forum: Non-Aviation
Topic: Updated: Broken down ship in Suez Canal on the move again
Replies: 91
Views: 10950

Re: Suez Canal shut down by broken ship

They said she is now "partially afloat". I thought that has always been the situation (i.e. not sunk) Afloat = there is water below the ship Sunk = there is water above the ship Beached/stranded = there is no water below the ship, neither above the ship. The ship is resting on the bottom ...

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by WIederling
Mon Mar 29, 2021 7:02 am
Forum: Non-Aviation
Topic: Updated: Broken down ship in Suez Canal on the move again
Replies: 91
Views: 10950

Re: Suez Canal shut down by broken ship

https://www.marinetraffic.com/en/ais/ho ... 38/zoom:14
no idea if they will start to pass traffic behind the stern.
-->

Looks like the stern has been extracted from the embankment.
Bow still stuck. (Mon Mar 29 07:03:00 UTC 2021)
ref: https://www.marinetraffic.com/en/ais/ho ... 38/zoom:14
no idea if they will start to pass traffic behind the stern.

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by WIederling
Sun Mar 28, 2021 4:18 pm
Forum: Non-Aviation
Topic: Mesh Wifi
Replies: 12
Views: 1301

Re: Mesh Wifi

fr8mech wrote:
. No lag, no stuttering, no drops.


Your bottleneck (if there is one) tends to be
in the inet pipe to your house
and less so in local (inhouse) infrastructure.

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by WIederling
Sun Mar 28, 2021 3:23 pm
Forum: Military Aviation & Space Flight
Topic: UK Defence Command Paper: RAF to Axe C-130 Fleet by 2023
Replies: 40
Views: 4005

Re: UK Defence Command Paper: RAF to Axe C-130 Fleet by 2023

In context an interesting find: (British) FOI request C130 and A400M ref: https://www.whatdotheyknow.com/request/cost_per_flying_hour_of_a400m_an and there seems to have been an answer provided: https://www.whatdotheyknow.com/request/396759/response/964746/attach/3/20170331%20FOI%202017%2003793%20Co...

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by WIederling
Sun Mar 28, 2021 12:39 pm
Forum: Military Aviation & Space Flight
Topic: Crewed or uncrewed space mission
Replies: 21
Views: 1591

Re: Crewed or uncrewed space mission

Most(ALL) of the long range missions are unsuitable for manned exploration. ( except we get some quantum leap progress in propulsion systems.) Duration ( Rosetta needed 10+years just to get to its target), Radiation ( think Cassini ), cost ( ALL ). That said i would go to space if offered even if it...

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by WIederling
Sun Mar 28, 2021 12:31 pm
Forum: Military Aviation & Space Flight
Topic: UK Defence Command Paper: RAF to Axe C-130 Fleet by 2023
Replies: 40
Views: 4005

Re: UK Defence Command Paper: RAF to Axe C-130 Fleet by 2023

texl1649 wrote:
A herc costs something like 40K/hour to operate, so I would think the A400M’s by comparison will cost at least double that with the TP400’s. It’s an interesting trade off. Perhaps a post-Covid budget casualty.


The Herc basically still is a 50ties design. Things have gone forward after the 50ties.

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by WIederling
Sun Mar 28, 2021 12:15 pm
Forum: Non-Aviation
Topic: Mesh Wifi
Replies: 12
Views: 1301

Re: Mesh Wifi

We have just moved into a new home and I am noticing a number of spots in the house where the current routers wifi signal is just not providing coverage. Move the router. ( .. out of the basement :-)) , some testing needed) works wonders. avoid same band wireless||wireless extenders. you get more r...

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by WIederling
Sun Mar 28, 2021 12:06 pm
Forum: Military Aviation & Space Flight
Topic: Airbus A400M News, Production and Delivery Thread - 2021
Replies: 86
Views: 18154

Re: Airbus A400M News, Production and Delivery Thread - 2021

]The A400M costs (largely due to the TP400) per hour are significantly higher than the C-130. This is why even the Germans/French bought the J’s. The Germans are desperate to unload some of their committed A400’s so I would expect the RAF to pick some up at some point in the next few years.[/quote]...

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by WIederling
Sun Mar 28, 2021 11:58 am
Forum: Non-Aviation
Topic: Georgia Election Law Controversy
Replies: 296
Views: 17734

Re: Georgia Election Law Controversy

So, this whole notion of "Republicans can't get elected if we let people vote" is nonsense. i Maybe put up descent candidates and they will win elections instead of simply changing the rules so they stay in power. That's what these restrictive laws are about. That imho is the wrong set of...

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by WIederling
Sat Mar 27, 2021 2:55 pm
Forum: Non-Aviation
Topic: Georgia Election Law Controversy
Replies: 296
Views: 17734

Re: Georgia Election Law Controversy

That's really US's problem, but for service workers it doesn't change much given supermarkets and fast food stall would still open on weekends. Closing at 8pm is probably also too early Higher throughput, more polling stations. I've never in my life queued more than 5 minutes for voting in any of t...

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by WIederling
Sat Mar 27, 2021 11:46 am
Forum: Non-Aviation
Topic: Georgia Election Law Controversy
Replies: 296
Views: 17734

Re: Georgia Election Law Controversy

4. Prohibition of food/water assistance to people waiting in line. This is just nuts - unless the state will massively expand voting hours or drop box locations, long lines like we saw last year will return. Ridiculous and inhumane. The law notes that election workers can set up water tables. What ...

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by WIederling
Sat Mar 27, 2021 10:59 am
Forum: Non-Aviation
Topic: Updated: Broken down ship in Suez Canal on the move again
Replies: 91
Views: 10950

Re: Ship happens - Suez Canal shut down by broken ship

Time to be pedantic: recipe for allision, not collision. :stirthepot: Ok, but technically the big ball is rotating quite rapidly :) Which big ball and how rapidly? THAT big ball. .... and at quite the clip: better than a thousand miles an hour. ( earth surface velocity at the equator is ~40.000 km ...

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by WIederling
Fri Mar 26, 2021 2:18 pm
Forum: Non-Aviation
Topic: Updated: Broken down ship in Suez Canal on the move again
Replies: 91
Views: 10950

Re: Ship happens - Suez Canal shut down by broken ship

IMU the canal is dug through sand. Surprised no dredge is used to first excavate around bow and/or stern. ( suction/hopper dredges should be part of the maintenance supplement thus available on short notice.) As soon as I took a good look at the excavator photo I was wondering what was the point, s...

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by WIederling
Fri Mar 26, 2021 2:11 pm
Forum: Non-Aviation
Topic: Updated: Broken down ship in Suez Canal on the move again
Replies: 91
Views: 10950

Re: Ship happens - Suez Canal shut down by broken ship

IMU the canal is dug through sand. Surprised no dredge is used to first excavate around bow and/or stern. ( suction/hopper dredges should be part of the maintenance supplement thus available on short notice.) Seems to be what they are / have been doing. Looking at a couple of images it does look as...

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by WIederling
Fri Mar 26, 2021 8:34 am
Forum: Non-Aviation
Topic: Updated: Broken down ship in Suez Canal on the move again
Replies: 91
Views: 10950

Re: Ship happens - Suez Canal shut down by broken ship

IMU the canal is dug through sand.
Surprised no dredge is used to first excavate around bow and/or stern.
( suction/hopper dredges should be part of the maintenance supplement
thus available on short notice.)

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by WIederling
Wed Mar 24, 2021 1:33 pm
Forum: Non-Aviation
Topic: European Commission Vaccination Strategy News and Discussion Thread
Replies: 1526
Views: 102431

Re: European Commission Vaccination Strategy News and Discussion Thread

But the threat of bans, by the way, is the last way of doing that successfully. That just smacks of more political posturing for the sake of covering arses IMU: The US has embargoed _export_ of all vaccine components from day one apparently. But is receiving material from abroad ( EU .. ). How do w...

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by WIederling
Wed Mar 24, 2021 10:23 am
Forum: Civil Aviation
Topic: Qantas 738 replacement competition
Replies: 196
Views: 27213

Re: Qantas 738 replacement competition

Opus99 wrote:
Do you honestly think airbus will come in at the price Boeing will potentially come in at?


Sometimes bargain cheap pricing turns out to be extremely expensive.

What is Australia's position on price dumping?

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by WIederling
Wed Mar 24, 2021 8:08 am
Forum: Civil Aviation
Topic: Airbus extracts more range from A220-300 with further weight increase
Replies: 122
Views: 22806

Re: Airbus extracts more range from A220-300 with further weight increase

I am curious as to how this could happen given that I thought that at this point, fuel capacity was the limiting factor. While the VIP versions would be the immediate beneficiary, the additional fuel tanks might see their way down to the airliner variants later on. I wonder if the six ordered ACJ T...

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by WIederling
Tue Mar 23, 2021 5:13 pm
Forum: Technical/Operations
Topic: 787 Engine swap
Replies: 5
Views: 1954

Re: 787 Engine swap

It didn’t ? That capability was not incorporated then ? they had to fall back to a common wing interface. So for engine manufacturer change you have to get a new set of engines and replace the pylon with the one for the new engine. ........ incl. of changing all stuff that goes through the pylon. n...

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by WIederling
Tue Mar 23, 2021 12:19 pm
Forum: Military Aviation & Space Flight
Topic: The most advanced spacecraft in recent times
Replies: 20
Views: 2261

Re: The most advanced spacecraft in recent times

Interesting to praise the DC-X while trying to discredit starship. DC-X was brilliant, but it was no closer to being a final product than Starship. If anything, it's a closer comparison to the starhopper or even the much earlier grasshopper. Very valid criticism regarding crew escape, however. That...

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by WIederling
Mon Mar 22, 2021 6:45 pm
Forum: Non-Aviation
Topic: Immigrants being released without court dates in Rio Grande Valley, US
Replies: 17
Views: 1366

Re: Immigrants being released without court dates in Rio Grande Valley, US

So, its just 2 months in Biden's administration and the immigration policy shift has created this crisis. In the meantime the WH has denied this being a crisis, calling it a 'challenge' and blaming the previous administration for this. "GOP ignoring the constitution and legal framework." ...

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by WIederling
Mon Mar 22, 2021 11:53 am
Forum: Non-Aviation
Topic: Multiple STL Cops Charged With Rape, Assault, and Witness Tampering
Replies: 31
Views: 1476

Re: Multiple STL Cops Charged With Rape, Assault, and Witness Tampering

As I said before, in this case the offenders and cover-up involved three people out of a 1,300 member department. A fraction of a percent. What you see is a lot of tribal behavior. Works even better with some ( perceived as unfair ) pressure applied from outside. Another path is that silent majorit...

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by WIederling
Mon Mar 22, 2021 8:54 am
Forum: Non-Aviation
Topic: European Commission Vaccination Strategy News and Discussion Thread
Replies: 1526
Views: 102431

Re: European Commission Vaccination Strategy News and Discussion Thread

You conveniently ignore the fact that the AZ vaccination has been stopped temporarily for a week because there was some unease about the AZ vaccin. Ignore it? That was my very point. While your nations are busy showboating this "unease" with the AZ vaccine in a very highly politicised way...

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by WIederling
Sun Mar 21, 2021 4:54 pm
Forum: Non-Aviation
Topic: Tucker Carlson: Women in the Military BAD!
Replies: 27
Views: 2150

Re: Tucker Carlson: Women in the Military BAD!

luckyone wrote:
Tucker Carlson is a bit of a jerk. Water is wet.


That is not an issue per se.

The issue is that jerks make up the media front line and do have an impact on perception in wider parts of the population.

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by WIederling
Sun Mar 21, 2021 4:24 pm
Forum: Non-Aviation
Topic: Multiple STL Cops Charged With Rape, Assault, and Witness Tampering
Replies: 31
Views: 1476

Re: Multiple STL Cops Charged With Rape, Assault, and Witness Tampering

"Bad apples" are few and far between, and they don't exactly advertise the fact that they are breaking the law to their coworkers and bosses. With regard to this particular incident, there are 1,300 police officers who work for the St. Louis police department. This incident involved three...

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by WIederling
Sun Mar 21, 2021 3:02 pm
Forum: Non-Aviation
Topic: European Commission Vaccination Strategy News and Discussion Thread
Replies: 1526
Views: 102431

Re: European Commission Vaccination Strategy News and Discussion Thread

- hesitancy in EU over the AZ vaccine slows vaccination There is massive hysteric media "foaming" against the AZ vaccine her in Germany .. traditional and even more so social media. My wife's coworkers in mobile care post over the top stuff egging each other toward avoiding vaccination. I...

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by WIederling
Sun Mar 21, 2021 2:54 pm
Forum: Non-Aviation
Topic: Multiple STL Cops Charged With Rape, Assault, and Witness Tampering
Replies: 31
Views: 1476

Re: Multiple STL Cops Charged With Rape, Assault, and Witness Tampering

N583JB wrote:
scbriml wrote:
Cue the “one bad apple” brigade.


There are bad apples in every profession.


... then there are the deep boxes of bad apples that have some "nice ones" put on top to make the sale.

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by WIederling
Sun Mar 21, 2021 10:22 am
Forum: Non-Aviation
Topic: 49% of GOP men won't take vaccine
Replies: 119
Views: 10242

Re: 49% of GOP men won't take vaccine

My forehead is sore from banging it against the wall. Some of the comments here.... :banghead: Distribute the load There are three more sides to your head. :-)) .. but I understand your desperation. I've always found a way to surpass a gulf in understanding. Rephrase your point until it makes click...

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by WIederling
Sun Mar 21, 2021 8:16 am
Forum: Non-Aviation
Topic: European Commission Vaccination Strategy News and Discussion Thread
Replies: 1526
Views: 102431

Re: European Commission Vaccination Strategy News and Discussion Thread

Lightsaber: "But there is no dispute that in Washington, officials had decided that money was no object if vaccines could avert the economic cost of a lockdown. Europe, on the other hand, was on a tight budget, so its negotiators chased cheaper doses." For the EU: You don't pay over the co...

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by WIederling
Sat Mar 20, 2021 9:33 pm
Forum: Non-Aviation
Topic: European Commission Vaccination Strategy News and Discussion Thread
Replies: 1526
Views: 102431

Re: European Commission Vaccination Strategy News and Discussion Thread

The New York Times has a deep analysis why Europe has been slow at the vaccine rollout. I've quoted the main reason below and there are more details in the article. https://www.nytimes.com/2021/03/20/world/europe/europe-vaccine-rollout-astrazeneca.html?action=click&module=Spotlight&pgtype=H...

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by WIederling
Sat Mar 20, 2021 9:30 pm
Forum: Non-Aviation
Topic: European Commission Vaccination Strategy News and Discussion Thread
Replies: 1526
Views: 102431

Re: European Commission Vaccination Strategy News and Discussion Thread

To read some comments on here it would seem that it is the EU producing vaccines and out of the goodness of its own heart making them available to other countries. That is not the case. All production is undertaken by commercial businesses which have entered into contracts with customers all over t...

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by WIederling
Sat Mar 20, 2021 6:18 pm
Forum: Civil Aviation
Topic: Boeing CEO's Comments On Their Next Airplane
Replies: 2290
Views: 260151

Re: Boeing CEO's Comments On Their Next Airplane

The last 727 was produced in 1984. Yes it was a trickle at the end but still it'd be interesting to see what would have happened if Boeing never got enough interest to launch 757 and did a true 722 replacement once 727 was finished. Boeing did try to address the 727-200ADV market a second time in t...

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by WIederling
Sat Mar 20, 2021 6:05 pm
Forum: Travel, Polls & Preferences
Topic: Which aircraft will replace the Airbus A330-200 at Air France?
Replies: 60
Views: 10082

Re: Which aircraft will replace the Airbus A330-200 at Air France?

seahawk wrote:
787s.


buy in haste repent at leasure.

So many issues with 787 coming up for new or used frames.
The PR fleece is wearing thin mighty fast.

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by WIederling
Sat Mar 20, 2021 1:43 pm
Forum: Technical/Operations
Topic: Can the A321XLR make it LHR-HLE direct?
Replies: 43
Views: 9781

Re: Can the A321XLR make it LHR-HLE direct?

May I remind you to provide links to your sources when stating facts, thanks. certainly. All the obvious sources that people ignore when stating "their" facts. Wikipedia. https://en.wikipedia.org/wiki/Boeing_737_Next_Generation#Specifications https://en.wikipedia.org/wiki/Airbus_A320neo_f...

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