Search found 823 matches

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by wingscrubber
Mon Apr 04, 2011 7:08 pm
Forum: Technical/Operations
Topic: Most Influential Jet Engine Design?
Replies: 30
Views: 12020

RE: Most Influential Jet Engine Design?

Aside from which specific engine was 'most influential', this website has some nice engine illustrations:
http://www.aircraftenginedesign.com/index.html

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by wingscrubber
Fri Apr 01, 2011 9:46 pm
Forum: Military Aviation & Space Flight
Topic: Eurofighter Typhoon : 'Even Worse Than We Thought'
Replies: 56
Views: 35000

RE: Eurofighter Typhoon : 'Even Worse Than We Thought'

@ Autothrust : Thanks for addressing each of the bogus claims individually. I didn't think they were entirely fair either... There is some truth to the claim about lack of ground attack capability, but until Tornado GR4s are retired that's not a huge problem and the Libyan offensive is testament to ...

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by wingscrubber
Fri Apr 01, 2011 8:51 pm
Forum: Technical/Operations
Topic: Good Technical Websites.
Replies: 6
Views: 3697

RE: Good Technical Websites.

www.smartcockpit.com is particularly useful for finding POH on many but not all airliners and business jets.

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by wingscrubber
Fri Apr 01, 2011 6:23 pm
Forum: Non-Aviation
Topic: Seriously- Stop Lining Up When It's Not Your Turn.
Replies: 26
Views: 3017

RE: Seriously- Stop Lining Up When It's Not Your Turn.

I always puzzle at why they board the front zone of the plane first instead of the rear at a lot of airlines. It always creates congestion due to people wrestling their mega-carry-ons into the overhead bins and blocking the aisle preventing you from getting to your seat, and then after you're sat do...

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by wingscrubber
Fri Apr 01, 2011 4:47 pm
Forum: Non-Aviation
Topic: AFA: 1st Amendment Only Applies To Christianity
Replies: 85
Views: 3667

RE: AFA: 1st Amendment Only Applies To Christianity

The 'we the people' thing was generally intended for Christians at the time of writing and the 'secular government' is tough to justify when politicians are always so quick to say 'god bless the usa' and the national currency is printed with the words 'in god we trust'. There is significant religiou...

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by wingscrubber
Wed Mar 30, 2011 7:40 pm
Forum: Technical/Operations
Topic: Weight Escalation Factor For Civil Airliner
Replies: 5
Views: 4961

RE: Weight Escalation Factor For Civil Airliner

There are cycled weight factor growth elements in many areas to consider on a larger aircraft, not sure about payload or structure specifically but I can tell you there are growth considerations for bleed air extraction, service air(air conditioning, pressurization), shaft horsepower extraction (for...

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by wingscrubber
Wed Mar 30, 2011 7:22 pm
Forum: Technical/Operations
Topic: Why Is Hydraulic Fluid So Awful?
Replies: 27
Views: 35236

RE: Why Is Hydraulic Fluid So Awful?

<table border="0" align="CENTER" width="95%" class="quote"><tr><td><font size="2" face="ARIAL, Helvetica, Geneva" color="#9A9DA0">Quoting <a href="/profile/kanban" class="quote" target="_blank">kanban</a> (<a href="#14" class="quote">Reply 14</a>):<br/><i>seems to me TWA tried Mil-H in their first 7...

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by wingscrubber
Wed Mar 30, 2011 6:56 pm
Forum: Technical/Operations
Topic: HMG Failure
Replies: 22
Views: 12136

RE: HMG Failure

HMGs are just an alternative method of producing electrical power from the engine, via hydraulic power generated by the EDPs in the event of primary generator failures. As already mentioned, there other ways to achieve this with pneumatic power or a RAT. The general 'hope' is that you only lose one ...

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by wingscrubber
Thu Mar 24, 2011 9:17 pm
Forum: Aviation Photography
Topic: Looking For Photo I Saw...
Replies: 2
Views: 6152

RE: Looking For Photo I Saw...

Thanks for the tip! Maybe this was it.. not sure if its the same one I saw though. <img src="http://upload.wikimedia.org/wikipedia/commons/2/21/Ilya_Muromets_flying.jpg" width="512" height="379" border="0"/> The front balcony on the grande is awesome - would be windy, but a great view! <a href="http...

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by wingscrubber
Thu Mar 24, 2011 4:35 pm
Forum: Aviation Photography
Topic: Looking For Photo I Saw...
Replies: 2
Views: 6152

Looking For Photo I Saw...

Hello photographers, I had a query and was wondering if some of you may be able to assist - I've been looking for a picture I saw on the internet somewhere a while back which was fascinating, but cannot find it again. I thought perhaps if I described it, somebody might know which picture or aircraft...

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by wingscrubber
Thu Mar 24, 2011 6:40 am
Forum: Technical/Operations
Topic: Why Is Hydraulic Fluid So Awful?
Replies: 27
Views: 35236

RE: Why Is Hydraulic Fluid So Awful?

Skydrol or Hyjet AS1241 phosphate ester hydraulic fluids are the nasty ones - early versions of the now-common fluids came to be after the war during the rapid technological development of civil transports. Hydraulics was needed more and more for the ever larger and faster aircraft, with system pres...

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by wingscrubber
Fri Mar 11, 2011 5:42 am
Forum: Non-Aviation
Topic: When Does Your Birthday Start To Suck?
Replies: 34
Views: 2973

RE: When Does Your Birthday Start To Suck?

When I was 18, I decided that I was having the time of my life, and that I would age no longer, so in order to remain 18 years old indefinitely I cancelled all future birthdays. However, while I have stopped counting birthdays, the Earth stubbornly continues to make solar revolutions, and so now, al...

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by wingscrubber
Fri Mar 11, 2011 5:31 am
Forum: Non-Aviation
Topic: Teleportation: Future Non-Av Alternative?
Replies: 25
Views: 2681

RE: Teleportation: Future Non-Av Alternative?

I believe the basic 'star trek' type physics is that it could be possible to atomically deconstruct one's self, become electrified in order to be transported as an uninterrupted stream of electrons (via wire/cable) or photons (via radio, light beam), the problem with this is that you would need a 10...

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by wingscrubber
Fri Mar 11, 2011 4:52 am
Forum: Technical/Operations
Topic: Odd Nosewheel Types
Replies: 37
Views: 8177

RE: Odd Nosewheel Types

I think I would like to retract my earlier statement, as clearly not 'nearly all' nosewheels retract forward. Just more current gen airliners and business jets I guess - typed it without really thinking about it. In actual fact, there are many examples of both. But anyway, not to be outgunned in nos...

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by wingscrubber
Thu Mar 10, 2011 8:12 pm
Forum: Technical/Operations
Topic: Odd Nosewheel Types
Replies: 37
Views: 8177

RE: Odd Nosewheel Types

F-16 rotates through 90 degrees during retraction too... forgot about that one. Fairey Gannet is another <br/><center><font color="#EEEEEE" size="1" face="ARIAL, Helvetica, Geneva"><a href="/photo/UK---Navy/Fairey-Gannet-AEW3/1794839/L/" target="_blank">View Large</a> <a href="/photo/UK---Navy/Faire...

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by wingscrubber
Thu Mar 10, 2011 7:53 pm
Forum: Technical/Operations
Topic: Odd Nosewheel Types
Replies: 37
Views: 8177

RE: Odd Nosewheel Types

Found some! <br/><center><font color="#EEEEEE" size="1" face="ARIAL, Helvetica, Geneva"><a href="/photo/Aceair-SA/Aeriks-A-200/0577841/L/" target="_blank">View Large</a> <a href="/photo/Aceair-SA/Aeriks-A-200/0577841/M/" target="_blank">View Medium<br/><img border=0 src="/aviation-photos/small/1/4/8...

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by wingscrubber
Thu Mar 10, 2011 7:33 pm
Forum: Technical/Operations
Topic: Odd Nosewheel Types
Replies: 37
Views: 8177

RE: Odd Nosewheel Types

A-10 Warthog has offset nosegear because the gattling gun sits on the centreline. <br/><center><font color="#EEEEEE" size="1" face="ARIAL, Helvetica, Geneva"><a href="/photo/USA---Air/Fairchild-A-10C-Thunderbolt/1631358/L/" target="_blank">View Large</a> <a href="/photo/USA---Air/Fairchild-A-10C-Thu...

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by wingscrubber
Sun Mar 06, 2011 7:44 am
Forum: Military Aviation & Space Flight
Topic: Eurofighter Typhoon : 'Even Worse Than We Thought'
Replies: 56
Views: 35000

RE: Eurofighter Typhoon : 'Even Worse Than We Thought'

<table border="0" align="CENTER" width="95%" class="quote"><tr><td><font size="2" face="ARIAL, Helvetica, Geneva" color="#9A9DA0">Quoting <a href="/profile/GDB" class="quote" target="_blank">GDB</a> (<a href="#1" class="quote">Reply 1</a>):<br/><i>You say you are in the US, so presumably you see thi...

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by wingscrubber
Sat Mar 05, 2011 5:44 pm
Forum: Military Aviation & Space Flight
Topic: Eurofighter Typhoon : 'Even Worse Than We Thought'
Replies: 56
Views: 35000

Eurofighter Typhoon : 'Even Worse Than We Thought'

<a href="http://www.theregister.co.uk/2011/03/03/eurofighter_nao_analysis/" target="_blank">http://www.theregister.co.uk/2011/03/03/eurofighter_nao_analysis/</a> I chanced upon this scathing article by the Register(which I don't normally read) on the Typhoon program, making various bold claims such ...

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by wingscrubber
Fri Mar 04, 2011 4:01 am
Forum: Technical/Operations
Topic: 4 Shaft Engines
Replies: 7
Views: 6271

RE: 4 Shaft Engines

I've searched in vain for any additional info, evidently it looks like they flight tested it, but I've never found anything else on it. I imagine that because this is essentially just a large ducted fan, it may produce a lot of noise, as is the case with the un-ducted fan concept, so even if it's hi...

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by wingscrubber
Wed Mar 02, 2011 10:24 pm
Forum: Technical/Operations
Topic: 4 Shaft Engines
Replies: 7
Views: 6271

RE: 4 Shaft Engines

I agree with Tom on the 4-spool concept, which would result in LPfan/LP Turbine, <acronym title="Lan Peru">LP</acronym> Compressor/LP turbine, <acronym title="America West Airlines (USA)">HP</acronym> compressor/HP turbine, and VHP (very high pressure) compressor/VHP turbine in the middle... seems l...

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by wingscrubber
Fri Feb 25, 2011 8:47 pm
Forum: Technical/Operations
Topic: Feasibility Of A Multi-story Apron?
Replies: 42
Views: 5547

RE: Feasibility Of A Multi-story Apron?

Multi-storey ramp/terminals are entirely feasible, same as carrier deck arrangement but on a larger scale.

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by wingscrubber
Wed Feb 23, 2011 9:50 pm
Forum: Military Aviation & Space Flight
Topic: Mig-21 & A4 Most Influential Fighter Designs?
Replies: 11
Views: 9953

RE: Mig-21 & A4 Most Influential Fighter Designs?

Ok... I'll concede the A-5 had some strong airframe design influence, but my point with the Phantom was that it set the bar in terms of capability and performance, so while you don't see too many di-hedral tip extensions and anhedral tailplanes, the influence is still there but it's not on the airpl...

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by wingscrubber
Wed Feb 23, 2011 9:29 pm
Forum: Technical/Operations
Topic: Do Prop Planes Stand A Better Chance With Birds?
Replies: 21
Views: 10245

RE: Do Prop Planes Stand A Better Chance With Birds?

Can't post a link because I'm at work, but if you go on youtube and search for 'flying wild alaska' they have a great clip of a bird vs cessna stationair   Check it out...

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by wingscrubber
Mon Feb 21, 2011 8:10 pm
Forum: Military Aviation & Space Flight
Topic: Mig-21 & A4 Most Influential Fighter Designs?
Replies: 11
Views: 9953

RE: Mig-21 & A4 Most Influential Fighter Designs?

<table border="0" align="CENTER" width="95%" class="quote"><tr><td><font size="2" face="ARIAL, Helvetica, Geneva" color="#9A9DA0">Quoting <a href="/profile/faro" class="quote" target="_blank">faro</a> (<a href="#0" class="quote">Thread starter</a>):<br/><i>Can we safely say that the Mig-21 & <ac...

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by wingscrubber
Mon Feb 21, 2011 7:49 pm
Forum: Military Aviation & Space Flight
Topic: Royal Air Force Cuts Up To 100 Cadet Pilots
Replies: 26
Views: 5951

RE: Royal Air Force Cuts Up To 100 Cadet Pilots

Edit: Decided to remove my post. Just pissed off about the whole thing...

[Edited 2011-02-21 12:25:39]

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by wingscrubber
Mon Feb 21, 2011 6:20 pm
Forum: Technical/Operations
Topic: Airplanes By Origin Of Components
Replies: 4
Views: 3636

RE: Airplanes By Origin Of Components

I used to work in an engine assembly plant - was fascinating to see where all the parts came from. In one engine some of the components would break out like this; -Pistons, Brazil/China -Carburetor, Mexico/Taiwan -Fuel filter/oil filter, India -Wiring harness, China/USA -Engine block/crankshaft, USA...

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by wingscrubber
Mon Feb 21, 2011 6:08 am
Forum: Trip Reports
Topic: KMBO-87I-KMBO
Replies: 6
Views: 4197

RE: KMBO-87I-KMBO

Hey - thanks for the replies! Hadn't had time to check back... <table border="0" align="CENTER" width="95%" class="quote"><tr><td><font size="2" face="ARIAL, Helvetica, Geneva" color="#9A9DA0">Quoting <a href="/profile/Coal" class="quote" target="_blank">Coal</a> (<a href="#1" class="quote">Reply 1<...

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by wingscrubber
Sat Feb 19, 2011 5:20 am
Forum: Trip Reports
Topic: KMBO-87I-KMBO
Replies: 6
Views: 4197

KMBO-87I-KMBO

I have a slightly different 'trip report' to share which some might enjoy; So my wife and I currently live in Jackson, <acronym title="Egyptair">MS</acronym>, and my wife is an avid knitter. We often make trips by car to yarn shops so she can indulge her hobby - this is fine except, it's not usually...

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by wingscrubber
Tue Feb 15, 2011 6:08 am
Forum: Technical/Operations
Topic: FBW Flight Controls To Reduce Empennage Size?
Replies: 53
Views: 6803

RE: FBW Flight Controls To Reduce Empennage Size?

<table border="0" align="CENTER" width="95%" class="quote"><tr><td><font size="2" face="ARIAL, Helvetica, Geneva" color="#9A9DA0">Quoting <a href="/profile/SchorschNG" class="quote" target="_blank">SchorschNG</a> (<a href="#37" class="quote">Reply 37</a>):<br/><i>The size is again determined by othe...

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by wingscrubber
Tue Feb 15, 2011 5:51 am
Forum: Technical/Operations
Topic: Your Least Favorite Aircraft Part
Replies: 29
Views: 5256

RE: Your Least Favorite Aircraft Part

I can remember having a spot of trouble wire locking 747 fuel booster pumps. Also, bleeding C152 brake reservoirs (no room behind rudder pedals!), changing oil filter on the 6-cyl Piper Saratogas (no room between engine and firewall!) The rear plastic cabin bulkhead in the Pipers as well, so flimsy!...

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by wingscrubber
Thu Feb 03, 2011 10:10 pm
Forum: Technical/Operations
Topic: What's An Iata Diploma Worth?
Replies: 2
Views: 8381

RE: What's An Iata Diploma Worth?

Out of curiosity, I did a quick search; <a href="http://www.whatuni.com/degrees/courses/foundation-degree-courses/aviation-management-foundation-degree-courses-england/a/england/r/10172/page.html" target="_blank">http://www.whatuni.com/degrees/cours...ngland/a/england/r/10172/page.html</a> Aviation ...

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by wingscrubber
Thu Feb 03, 2011 6:14 pm
Forum: Technical/Operations
Topic: Horizontal Stabilizer Installation
Replies: 12
Views: 5460

RE: Horizontal Stabilizer Installation

c) From top? I like T-tails...

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by wingscrubber
Thu Feb 03, 2011 6:13 pm
Forum: Technical/Operations
Topic: Belly Fairing An Integral Part Of Primary Struc
Replies: 7
Views: 6688

RE: Belly Fairing An Integral Part Of Primary Struc

I see 'Airbus' in the patent, so evidently it's something they're thinking about... thanks for sharing.
Can't think of any examples where it's been tried before, this must be for a future concept aircraft that airbus has in the pipeline.

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by wingscrubber
Wed Feb 02, 2011 10:21 pm
Forum: Technical/Operations
Topic: Question Regarding Landing Gear
Replies: 7
Views: 7132

RE: Question Regarding Landing Gear

H.Wauer, you're right on nitrogen, but nitrogen by itself doesn't have radically improved compressive qualities over normal air which comprises 79% nitrogen, the main benefit is that it's inert which helps mitigate corrosion.

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by wingscrubber
Mon Jan 24, 2011 1:56 am
Forum: Technical/Operations
Topic: Touchdown In Crab Question.
Replies: 28
Views: 10153

RE: Touchdown In Crab Question.

I remember reading a note in the Citation X operating manual that 'when landing in a crosswind the crab technique is recommended over the forward slip technique due to the risk of a wing tip strike'. Youtube has some fantastic crosswind landing clips  <img src="http://cdn-www.airliners.net/avia...

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by wingscrubber
Sun Jan 23, 2011 10:57 pm
Forum: Technical/Operations
Topic: Why No Bleedless Engines On The A350?
Replies: 46
Views: 25215

RE: Why No Bleedless Engines On The A350?

Some interesting reference material: Trade study... <a href="http://jet-engine-lab.technion.ac.il/9aijes/9.All,More%20Electric%20Aircraft%20Engine%20&%20Airframe%20Systems%20Implementation,%20Bedek%20Aviation%20Group,%20Aircraft%20Programs%20Division,%20Israel%20Aerospace%20Industries,%20Israel....

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by wingscrubber
Fri Jan 21, 2011 6:58 am
Forum: Technical/Operations
Topic: Why No Bleedless Engines On The A350?
Replies: 46
Views: 25215

RE: Why No Bleedless Engines On The A350?

Sticking with the tried and tested system will assist qualification/certification effort, it will allow more use of 'off-the-shelf' components which will reduce development cost and shorten the design phase.

This is one small area where Airbus can play catch-up on the much-delayed 787!

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by wingscrubber
Thu Jan 20, 2011 4:37 am
Forum: Technical/Operations
Topic: Video: EasyJet Hydraulic Problem Or Just Normal?
Replies: 10
Views: 3789

RE: Video: EasyJet Hydraulic Problem Or Just Normal?

I wanted to say maybe thrust reversers opening? But you can't see from the camera's point of view, and the engines don't spool up so that doesn't seem to be it. Perhaps its just the brakes biting down... Unlikely to be 'pneumatic' though, that would be a hissing noise - pneumatic = air under pressur...

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by wingscrubber
Mon Jan 17, 2011 4:48 am
Forum: Military Aviation & Space Flight
Topic: Military Project That You Wish Happened?
Replies: 91
Views: 16366

RE: Military Project That You Wish Happened?

I'm a big fan of the <acronym title="Timisoara - Traian Vuia (Giarmata) (TSR / LRTR), Romania">TSR</acronym>-2, but ultimately much of the work on that project was transposed into the MRCA which became the Tornado, so it wasn't all lost. I like the concept of the XB-70 but had it come into service i...

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by wingscrubber
Mon Jan 17, 2011 4:04 am
Forum: Travel, Polls & Preferences
Topic: Consider This: Boeing/Airbus Merge
Replies: 13
Views: 2732

RE: Consider This: Boeing/Airbus Merge

It would only happen if one or the other went bankrupt, allowing the surviving airframer to feasibly buy out all of the assets of the other, including any competition sensitive technology and patents.

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by wingscrubber
Mon Jan 17, 2011 3:42 am
Forum: Technical/Operations
Topic: Hypothetical Single Engine Rudder Out Prob
Replies: 19
Views: 3663

RE: Hypothetical Single Engine Rudder Out Prob

SEPilot - wow, my instructor would have chewed you out for statements like that! Not used at all??? Here's a video on coordinated flight; <a href="http://www.youtube.com/watch?v=SAzoEEc36Ms" target="_blank">http://www.youtube.com/watch?v=SAzoEEc36Ms</a> Flying un-coordinated in the pattern at slow s...

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by wingscrubber
Mon Jan 17, 2011 3:21 am
Forum: Technical/Operations
Topic: Hypothetical Single Engine Rudder Out Prob
Replies: 19
Views: 3663

RE: Hypothetical Single Engine Rudder Out Prob

In C152, C172 type aircraft (I'm not qualified in anything bigger) you can easily fly in a straight line with the rudder pedal fully depressed in either direction, you just add opposite bank with the ailerons and fly the airplane in a crab. This is called a 'forward slip', and it becomes very useful...

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by wingscrubber
Sat Jan 15, 2011 7:00 pm
Forum: Technical/Operations
Topic: Missing Flap Motor Cover Delta Flt#1791 Yesterday
Replies: 35
Views: 6184

RE: Missing Flap Motor Cover Delta Flt#1791 Yesterday

I don't care if anybody flames me for this, but this is corner cutting and does not inspire my confidence in Delta. Makes you wonder what else they're getting away with where something's perceived to be 'not needed'. Anybody have examples of other airlines doing stuff like this? When I've seen the i...

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by wingscrubber
Thu Jan 13, 2011 4:40 am
Forum: Technical/Operations
Topic: Airbags In Small Aircraft Needed?
Replies: 14
Views: 4838

RE: Airbags In Small Aircraft Needed?

On a slight tangent, here is an article/clip about helicopter crash shock absorbers. <a href="http://www.huffingtonpost.com/2009/12/10/nasa-helicopter-crash-tes_n_386795.html" target="_blank">http://www.huffingtonpost.com/2009/1...helicopter-crash-tes_n_386795.html</a> I was expecting an airbag to d...

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by wingscrubber
Wed Jan 05, 2011 3:57 am
Forum: Technical/Operations
Topic: M11 Empennage Questions
Replies: 4
Views: 4133

RE: M11 Empennage Questions

Clarification on trim - there are no trim TABS on the <acronym title="Air Madagascar">MD</acronym>-11, they would be useless on a hydraulically powered rudder, the trim is probably mechanical-electric input and likely works either with bias on the rudder PCU control cables or a separate screwjack in...

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by wingscrubber
Thu Dec 30, 2010 7:27 am
Forum: Non-Aviation
Topic: Would A Bad Gcse Maths Grade Prevent Me From...
Replies: 4
Views: 3260

RE: Would A Bad Gcse Maths Grade Prevent Me From...

I got a C in mathematics when I did my GCSEs 10 years ago, doing alright for myself now! If you only missed a C by one mark just study up, you'll get it... The key thing I found in understanding maths is applying it to something real; trigonometry by itself for instance is abstract, but using trig t...

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by wingscrubber
Wed Dec 29, 2010 9:35 pm
Forum: Technical/Operations
Topic: Calculating Induced Drag
Replies: 2
Views: 9003

RE: Calculating Induced Drag

I did a little research for you  <img src="http://cdn-www.airliners.net/aviation-forums/graphics/smilies/smile.gif" width="15" height="15" border="0"/> Check out some of these: <a href="http://www.theknowledgeworld.com/world-of-aerospace/Calculate-Induced-Drag-Coefficient.htm" target="_blank">h...

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