Search found 93 matches

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by sharles
Sat Jan 19, 2019 3:36 pm
Forum: Military Aviation & Space Flight
Topic: The Next AF-1 After 748
Replies: 34
Views: 6197

Re: The Next AF-1 After 748

The advantage of having four engines is that if an engine fails, you can choose to fly onward, instead of landing immediately(-ish).

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by sharles
Tue Sep 18, 2018 9:50 am
Forum: Military Aviation & Space Flight
Topic: Russian Military Crashes
Replies: 182
Views: 62406

Re: Russian Military Crashes

Oh my. I never imagined Israelis are successfully using unpowered weapons against a modern air defense system.

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by sharles
Wed Aug 08, 2018 4:14 pm
Forum: Technical/Operations
Topic: What would have made the MD11 safer?
Replies: 127
Views: 13227

Re: What would have made the MD11 safer?

Well, when one side of the plane is no longer supported by the landing gear on that side, the plane rolls over, especially when it’s traveling at 150 knots when this failure occurs. See FDX landing accidents. GF As I understand it, simply not being supported by landing gear is the safe failure mode...

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by sharles
Tue Apr 17, 2018 6:29 pm
Forum: Civil Aviation
Topic: Rolls Royce having more 787 problems
Replies: 133
Views: 26633

Re: Rolls Royce having more 787 problems

In any case, avherald has done a wonderful job pulling the relevant parts of the AD: http://avherald.com/h?article=4b77235d&opt=0 Basically, when specific Trent engines are run at maximum continuous trust, a resonance appears that drastically shortens engine life. If one engine fails, the other ...

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by sharles
Tue Apr 17, 2018 4:32 pm
Forum: Civil Aviation
Topic: Rolls Royce having more 787 problems
Replies: 133
Views: 26633

Re: Rolls Royce having more 787 problems

"has dropped" has the meaning "has arrived" (has been released)

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by sharles
Fri Mar 16, 2018 11:19 am
Forum: Civil Aviation
Topic: Boeing 777X Production Thread 2018
Replies: 309
Views: 86089

Re: Boeing 777X Production Thread 2018

Or an issue with the gound sensing system (happened a couple of times on the ***F) and the 50 knot trip signal. I know, that can't possibly happen but I've seen a couple of those can't possibly happen events in my time. This is the idea I don't get. As I understand it, the folding mechanism is desi...

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by sharles
Thu Mar 15, 2018 9:56 pm
Forum: Civil Aviation
Topic: Boeing 777X Production Thread 2018
Replies: 309
Views: 86089

Re: Boeing 777X Production Thread 2018

So that really only leaves failure of the hinge, locking mechanism and excessive loads surely? I'm not trying to imply that will happen, but they're the only conditions I can see for the wingtip to fold Actually, the condition would have to be the opposite of excessive loads. If the way folding is ...

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by sharles
Fri Mar 02, 2018 5:16 pm
Forum: Military Aviation & Space Flight
Topic: New weapon. Russia.
Replies: 78
Views: 6473

Re: New weapon. Russia.

There is something I completely don't get. Russia has more missiles than USA will ever have interceptors, and you probably need multiple interceptors per missile. To me, this just seems like posturing to distract from domestic issues.

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by sharles
Thu Jan 25, 2018 4:34 am
Forum: Civil Aviation
Topic: Boeing laid off too many engineers and technicians
Replies: 107
Views: 19265

Re: Boeing laid off too many engineers and technicians

w has a big influence and is a reason for the deindustrialization of countries like the USA and the UK. A constant declining production industry with a constant declining workforce. That is a seriously misleading statement. The industry is not declining, the industry is growing. The catch is that t...

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by sharles
Wed Jan 24, 2018 8:45 pm
Forum: Civil Aviation
Topic: Boeing laid off too many engineers and technicians
Replies: 107
Views: 19265

Re: Boeing laid off too many engineers and technicians

the unhealthy inbreeding between boards of directors This is something that I've never understood - nor why no-one else seems to question it. .... Sorry, I'll stop ranting now. You are not the only one who does not understand this. It is obvious that there are often decisions taken based on short t...

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by sharles
Wed Jan 24, 2018 7:19 pm
Forum: Civil Aviation
Topic: Boeing laid off too many engineers and technicians
Replies: 107
Views: 19265

Re: Boeing laid off too many engineers and technicians

w has a big influence and is a reason for the deindustrialization of countries like the USA and the UK. A constant declining production industry with a constant declining workforce. That is a seriously misleading statement. The industry is not declining, the industry is growing. The catch is that t...

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by sharles
Tue Jan 02, 2018 10:50 pm
Forum: Military Aviation & Space Flight
Topic: Germany Considers Tornado Replacement
Replies: 1383
Views: 173945

Re: Germany Considers Tornado Replacement

The thing with Russia is, it may very well be posturing as a means of keeping their own population in check. In which case they do not want war, as that would actually destroy the current opulent lifestyle of the leadership. In which case, spending money in a manner that benefits the local populatio...

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by sharles
Mon Dec 25, 2017 8:33 am
Forum: Military Aviation & Space Flight
Topic: SpaceX - Tests, Launches, Developments
Replies: 2083
Views: 273330

Re: SpaceX - Tests, Launches, Developments

According to https://www.reddit.com/r/spacex/comments/7hjp03/falcon_heavy_demo_launch_campaign_thread/ and https://www.reddit.com/r/spacex/wiki/cores : both of the sides are unknown blocks (B1023 is a "Full Thrust" or "Upgraded" Falcon 9 and precedes public knowledge of the Block...

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by sharles
Tue Dec 19, 2017 7:01 am
Forum: Civil Aviation
Topic: Power outage in ATL
Replies: 401
Views: 47037

Re: Power outage in ATL

One fire takes out both "independent" substations, plus the gear responsible to switch between them. More possible than you think ... think about how distribution of redundant systems works ... You have two sources ... each leg of the letter "Y". the switch gear that selects bet...

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by sharles
Tue Dec 12, 2017 9:34 pm
Forum: Military Aviation & Space Flight
Topic: SpaceX - Tests, Launches, Developments
Replies: 2083
Views: 273330

Re: SpaceX - Tests, Launches, Developments

https://www.youtube.com/watch?v=t_3bckhV_YI
This certainly belongs on a tech/ops forum.
-->

Building Real-time Systems with Bazel w/ SpaceX
https://www.youtube.com/watch?v=t_3bckhV_YI
This certainly belongs on a tech/ops forum.

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by sharles
Wed Dec 06, 2017 9:56 pm
Forum: Military Aviation & Space Flight
Topic: Canada may cancel F18 deal
Replies: 242
Views: 45659

Re: Canada may cancel F18 deal

Maybe Canada should team up with Germany and France to built that next generation fighter. They should, but unfortunately, the timing seems off, just read the Luftwaffe Tornado replacement. Well, theoretically, if resources were unlimited, they still could. Buy the F-35 now, but join the European e...

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by sharles
Mon Dec 04, 2017 7:55 pm
Forum: Military Aviation & Space Flight
Topic: Germany Considers Tornado Replacement
Replies: 1383
Views: 173945

Re: Germany Considers Tornado Replacement

The F-15E is capable of self escort strike, the Tornado is not. Wow. I'd always assumed that since there is the Tornado ADV, that the IDS is capable of self escort/ carrying radar-guided AAMs. Turns out all it can do is carry short range IR missiles. I am surprised a multirole capability has not be...

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by sharles
Wed Nov 29, 2017 6:46 am
Forum: Military Aviation & Space Flight
Topic: Germany Considers Tornado Replacement
Replies: 1383
Views: 173945

Re: Germany Considers Tornado Replacement

Clearly there is no point continuing this because neither of us believe each other. There is one tiny reason to continue. There are those who lurk, do value your opinion and the fact that there are evidence/reasoning based posters here, but have nothing to add and therefore do not enter the discuss...

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by sharles
Sat Nov 25, 2017 7:00 pm
Forum: Civil Aviation
Topic: AF66 CDG-LAX (A388-F-HPJE) diverts to Goose Bay (YYR) with an uncontained engine failure to #4 engine
Replies: 687
Views: 195557

Re: AF66 CDG-LAX (A388-F-HPJE) diverts to Goose Bay (YYR) with an uncontained engine failure to #4 engine

Another reason to not certify "pure" three engine ferry on the A380: when the 747 was developed, engine reliability was way lower, so there was a better cost/benefit ratio. With the A380, it IMHO was deemed an unnecessary expense to certify the engine removed case, while the engine disable...

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by sharles
Sun Nov 19, 2017 6:38 pm
Forum: Technical/Operations
Topic: Most efficient airports in winter? (Snow)
Replies: 40
Views: 7257

Re: Most efficient airports in winter? (Snow)

In any case, I'd say this is often an issue of costs vs benefits. If there is snow like once every three years, or there is uncharacteristically catastrophic snow, it may as well be way cheaper for everyone to just divert on those days, instead of investing capital in snowclearing equipment that wil...

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by sharles
Sun Nov 12, 2017 8:26 pm
Forum: Civil Aviation
Topic: Airbus CEO warns of significant impact from corruption probes
Replies: 327
Views: 61203

Re: Airbus CEO warns of significant impact from corruption probes

8. 80% for deals are without middlemen, so leaves 20%to screen for any suscpicious deals. And yet Airbus is missing hundreds of orders this year. If only 20% uses middlemen, where are the rest of the aircraft orders? THIS......Awesome sales campaigns, major market blows to a competitor occurred dur...

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by sharles
Fri Oct 27, 2017 5:37 pm
Forum: Technical/Operations
Topic: B727 vs B737 cockpit crew
Replies: 26
Views: 4576

Re: B727 vs B737 cockpit crew

BravoOne wrote:
Not to belabor the point, and you are correct regarding the Boeing EICAS and Airbus ECAM. the point was other than a Master Warning I don't think there is any "dedicated panel" on the 727, just the red light?

The point, IMHO, is that the 737 does have this panel where the 727 does not.

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by sharles
Sun Oct 01, 2017 7:35 am
Forum: Civil Aviation
Topic: AF66 CDG-LAX (A388-F-HPJE) diverts to Goose Bay (YYR) with an uncontained engine failure to #4 engine
Replies: 687
Views: 195557

Re: AF66 CDG-LAX (A388-F-HPJE) diverts to Goose Bay (YYR) with reports of suspected damage to leading edge above #4 engi

And it is basically an industry-wide gamble that the flying public would continue to accept long-haul twin jets even if a dual inflight failure should indeed lead to loss of a passenger aircraft one day. It will undoubtedly happen at some point. In the mean time, another billion or so ETOPS flights...

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by sharles
Mon Sep 04, 2017 9:20 pm
Forum: Site Related
Topic: Ads covering content
Replies: 3
Views: 2680

Re: Ads covering content

Another issue I've just noticed (I've taken to using my PC to browse A.net more since the regrettable shemozzle with malware adverts on the mobile site) is that the grey box at the very bottom of the page with navigation links and info The issue with footer links covered by ads still exists. I've t...

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by sharles
Tue Aug 29, 2017 4:14 pm
Forum: Civil Aviation
Topic: Mitsubishi SpaceJet — Flight Test & Production Thread
Replies: 329
Views: 78290

Re: MRJ - Flight Test & Production Part 1

kelvin933 wrote:
KarelXWB wrote:
Yes JA22MJ is back in the air. That was a quick engine fix.

Did they fix the engine or just swap engines ?

Does that really matter? It does not really impact when it can return to air. IMHO, what determines return to air is discovering the cause of the damage observed by borescope.

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by sharles
Mon Aug 14, 2017 4:07 pm
Forum: Civil Aviation
Topic: DC9-87 Fire Protection Aircraft
Replies: 13
Views: 2225

Re: DC9-87 Fire Protection Aircraft

Direct quote from the TCDS:
The official designator for the McDonnell Douglas Model DC-9-81, -82, -83, or -87 is the
DC-9-81, -82, -83, or -87. The "MD" designator may be used in parentheses, but, must be
accompanied by the official designator (i.e., DC-9-81 (MD-81)).

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by sharles
Sun Aug 06, 2017 1:31 pm
Forum: Military Aviation & Space Flight
Topic: Report: USAF to buy Transaero NTU 747-8s for Air Force One
Replies: 226
Views: 30597

Re: Report: USAF to buy Transaero NTU 747-8s for Air Force One

Well, if I knew Transaero is going bankcrupt and was their government, I'd tell them to stay alive and bit longer so that I can bug their airplanes on the off chance that Boeing then offers them to USAF...

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by sharles
Tue Jun 27, 2017 6:57 pm
Forum: Civil Aviation
Topic: Future of the Boeing yoke.
Replies: 75
Views: 17289

Re: Future of the Boeing yoke.

Yes but as I'm sure a man of your intellect knows, that in no way proves that backdriven controls would not help prevent some accidents. If that were the case safety investigators and regulators would be able to measure that and quantify that as a safety benefit, there is a lack of facts or evidenc...

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by sharles
Mon May 29, 2017 9:56 am
Forum: Civil Aviation
Topic: DL A332 3 Engine Incidences in 6 Days on Same Engine
Replies: 60
Views: 12625

Re: DL A332 3 Engine Incidences in 6 Days on Same Engine

Sometimes I really do not get a.net. There was recently a thread about maintenance practices at AAR. There was a systematic neglect of correct maintenance and inspection procedures that did almost lead to a crash. That thread, about actual problems unlike this one, received way less attention. I wil...

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by sharles
Sun May 21, 2017 8:58 pm
Forum: Technical/Operations
Topic: Twins vs. quads and international over water routings.
Replies: 65
Views: 7076

Re: Twins vs. quads and international over water routings.

I would actually say that recently there have been multiple incidents that show the advantages of two engine planes.
QF32, BA2276, SQ368, AA383 are all examples of why you want less engines on your plane (lower probability of catastrophic engine failure that damages other systems).

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by sharles
Sun Apr 30, 2017 1:09 pm
Forum: Civil Aviation
Topic: German airlines drop safety rule prompted by Germanwings crash
Replies: 90
Views: 11036

Re: German airlines drop safety rule prompted by Germanwings crash

It might be something as simple as "if one wants to suicide, one will find a way anyway, no matter if there is a second person in the cockpit".

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by sharles
Mon Apr 24, 2017 8:28 am
Forum: Civil Aviation
Topic: Has any airline had buyers remorse on going to all twin engine widebodies for intercontinential flights
Replies: 92
Views: 12835

Re: Has any airline had buyers remorse on going to all twin engine widebodies for intercontinential flights

Possibly. No matter how reliable Jet engines have become I'd still prefer 4 engines under the wings when flying the Southern Pacific or Indian oceans. While I'd prefer a twice lower probability of uncontained engine failure. Not to mention that until EROPS came into force, the possibility of common...

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by sharles
Tue Apr 04, 2017 8:28 pm
Forum: Civil Aviation
Topic: Boeing 777X - Updated Information And Developments
Replies: 2650
Views: 261649

Re: Boeing 777X - Updated Information And Developments

A quick Google suggests TBD = To be determined.
When one does not actually know what an acronym means, better check, it is often a surprise :)

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by sharles
Wed Jan 11, 2017 3:06 pm
Forum: Military Aviation & Space Flight
Topic: What is on top of the F-16?
Replies: 7
Views: 2254

Re: What is on top of the F-16?

http://i.imgur.com/t4C8wYf.jpg
-->

RetiredWeasel wrote:
Slug71 wrote:
It houses the hydraulic actuator for the rudder and the parachute.

Parachute??? The ejection seat parachute is one component of the ACES II ejection system and in the seat, not located in the fuselage somewhere.

http://i.imgur.com/t4C8wYf.jpg

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by sharles
Tue Dec 27, 2016 7:44 am
Forum: Military Aviation & Space Flight
Topic: Second Suborbital Test Flight Completed by Virgin Galactic
Replies: 34
Views: 7503

Re: Second Suborbital Test Flight Completed by Virgin Galactic

Another way to explain: add a comma. VSS Unity, the suborbital vehicle, departed from Californian Mojave Air and Space Port around 16:20 Eastern, attached itself to the carrier WhiteKnightTwo aircraft, Foust said. It's pathetic writing and editing... when you read departed, attached itself, etc the ...

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by sharles
Fri Sep 18, 2015 9:03 am
Forum: Civil Aviation
Topic: Bad Omen? Boeing Loses Out To Chinese Jet Maker
Replies: 24
Views: 14652

RE: Bad Omen? Boeing Loses Out To Chinese Jet Maker

<table border="0" align="CENTER" width="95%" class="quote"><tr><td><font size="2" face="ARIAL, Helvetica, Geneva" color="#9A9DA0">Quoting <a href="/profile/TSS" class="quote" target="_blank">TSS</a> (<a href="#12" class="quote">Reply 12</a>):<br/><i> Some time ago there was a thread on here about ho...

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by sharles
Tue Sep 15, 2015 3:33 pm
Forum: Civil Aviation
Topic: Have The Promises Of The 787 Been Realized?
Replies: 87
Views: 21539

RE: Have The Promises Of The 787 Been Realized?

<table border="0" align="CENTER" width="95%" class="quote"><tr><td><font size="2" face="ARIAL, Helvetica, Geneva" color="#9A9DA0">Quoting <a href="/profile/enzo011" class="quote" target="_blank">enzo011</a> (<a href="#50" class="quote">Reply 50</a>):<br/><i> <a href="http://bloga350.blogspot.ie/2014...

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by sharles
Mon Sep 14, 2015 4:23 pm
Forum: Civil Aviation
Topic: Have The Promises Of The 787 Been Realized?
Replies: 87
Views: 21539

RE: Have The Promises Of The 787 Been Realized?

<table border="0" align="CENTER" width="95%" class="quote"><tr><td><font size="2" face="ARIAL, Helvetica, Geneva" color="#9A9DA0">Quoting <a href="/profile/enzo011" class="quote" target="_blank">enzo011</a> (<a href="#41" class="quote">Reply 41</a>):<br/><i>Airbus will have a different Li-ion batter...

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by sharles
Mon Sep 14, 2015 6:27 am
Forum: Civil Aviation
Topic: Have The Promises Of The 787 Been Realized?
Replies: 87
Views: 21539

RE: Have The Promises Of The 787 Been Realized?

<table border="0" align="CENTER" width="95%" class="quote"><tr><td><font size="2" face="ARIAL, Helvetica, Geneva" color="#9A9DA0">Quoting <a href="/profile/DocLightning" class="quote" target="_blank">DocLightning</a> (<a href="#39" class="quote">Reply 39</a>):<br/><i>The battery fires were part of t...

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by sharles
Wed Sep 09, 2015 3:19 pm
Forum: Civil Aviation
Topic: COMAC C919 Production And Testing Thread - 2013 - 2018
Replies: 358
Views: 58760

RE: Comac: C919 Assembly Much Smoother Than ARJ21

From an older article, this seems interesting: "The aircraft's windows have also been replaced with smaller standard-size ones, after the manufacturer discovered that its original larger windows affect the strength of the fuselage." How does one replace windows with smaller ones – after all, aren't ...

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by sharles
Sat Aug 15, 2015 6:03 am
Forum: Technical/Operations
Topic: Landing Gear Operation Question.
Replies: 32
Views: 5666

RE: Landing Gear Operation Question.

<table border="0" align="CENTER" width="95%" class="quote"><tr><td><font size="2" face="ARIAL, Helvetica, Geneva" color="#9A9DA0">Quoting <a href="/profile/Starlionblue" class="quote" target="_blank">Starlionblue</a> (<a href="#3" class="quote">Reply 3</a>):<br/><i> More likely to retain the same ty...

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by sharles
Wed Jul 15, 2015 8:10 pm
Forum: Civil Aviation
Topic: Garuda And Air Asia Pilots Radicalised?
Replies: 25
Views: 9000

RE: Garuda And Air Asia Pilots Radicalised?

<table border="0" align="CENTER" width="95%" class="quote"><tr><td><font size="2" face="ARIAL, Helvetica, Geneva" color="#9A9DA0">Quoting <a href="/profile/Aesma" class="quote" target="_blank">Aesma</a> (<a href="#15" class="quote">Reply 15</a>):<br/><i> Are you really saying you're fine with a pilo...

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by sharles
Wed Jul 15, 2015 8:28 am
Forum: Civil Aviation
Topic: Garuda And Air Asia Pilots Radicalised?
Replies: 25
Views: 9000

RE: Garuda And Air Asia Pilots Radicalised?

<table border="0" align="CENTER" width="95%" class="quote"><tr><td><font size="2" face="ARIAL, Helvetica, Geneva" color="#9A9DA0">Quoting <a href="/profile/Aesma" class="quote" target="_blank">Aesma</a> (<a href="#12" class="quote">Reply 12</a>):<br/><i> Clearly these countries need harsher laws on ...

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by sharles
Thu Jul 02, 2015 3:22 pm
Forum: Military Aviation & Space Flight
Topic: Report: F-35 Pummeled By F-16
Replies: 83
Views: 20489

RE: Report: F-35 Pummeled By F-16

<table border="0" align="CENTER" width="95%" class="quote"><tr><td><font size="2" face="ARIAL, Helvetica, Geneva" color="#9A9DA0">Quoting <a href="/profile/adipasquale" class="quote" target="_blank">adipasquale</a> (<a href="#16" class="quote">Reply 16</a>):<br/><i> I think this quote is the best: "...

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by sharles
Tue Jun 16, 2015 5:28 am
Forum: Civil Aviation
Topic: Embraer Begins Assembling The First E190-E2
Replies: 15
Views: 4474

RE: Embraer Begins Assembling The First E190-E2

<table border="0" align="CENTER" width="95%" class="quote"><tr><td><font size="2" face="ARIAL, Helvetica, Geneva" color="#9A9DA0">Quoting <a href="/profile/lightsaber" class="quote" target="_blank">lightsaber</a> (<a href="#4" class="quote">Reply 4</a>):<br/><i>I'm impressed by the switch to FBW. Th...

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