Engineering/Technical Discussions

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Boeing in yet another technical pickle!

Last post by larsssnowpharter « Wed Nov 20, 2019 9:26 pm
Replies: 77
by TheGreenGoblin » Mon Sep 30, 2019 9:30 am
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First post

A pickle fork to be exact

The FAA has ordered operators of some of the hard-working fleet of Boeing 737NGs to conduct inspections for cracks in a...

Last post

Thanks for posting that article from the Atlantic, Capt Slasher.

In the article and in others I have read, there is mention of acolytes of Jack...
77 Replies

1293 Views

Last post by larsssnowpharter
Wed Nov 20, 2019 9:26 pm
RR Trent 1000 Ten engine dramas

Last post by TheGreenGoblin « Tue Nov 19, 2019 4:44 pm
Replies: 3
by Alisoncc » Mon Nov 18, 2019 1:51 am

First post

Air NZ cancels dozens of Australian flights over Dreamliner engine woes

Air New Zealand is cancelling dozens of international flights in and out...

Last post

Rolls Royce response to the issues

3 Replies

104 Views

Last post by TheGreenGoblin
Tue Nov 19, 2019 4:44 pm
Air Force One

Last post by Ex-Ascot « Mon Nov 18, 2019 1:26 pm
Replies: 16
by Wodrick » Sat Sep 28, 2019 10:36 pm

First post

There was a program on UK C5 a couple of nights ago Secrets of AF1

It was said that AF1 is always accompanied by a backup and a command center....

Last post

Perhaps the UK could sell the septics the Blackburn Beverley technology. Wherein engine oil is sprayed continuously on the outside of the engine...

16 Replies

580 Views

Last post by Ex-Ascot
Mon Nov 18, 2019 1:26 pm
Commercial aircraft at air shows

Last post by TheGreenGoblin « Sun Nov 17, 2019 1:33 pm
Replies: 2
by llondel » Mon Nov 11, 2019 11:23 pm

First post

Someone linked me to a video on FB of an A380 landing about 20 seconds after a preceding aircraft (A330?) started its take off roll. It seems to be...

Last post

I couldn't help myself. I had to look it up.

A30 take off numbers.JPG

A380 landing numbers.JPG

A380 800

5000 ft seems to be the shortest a...

2 Replies

132 Views

Last post by TheGreenGoblin
Sun Nov 17, 2019 1:33 pm
Rolls Royce Problems

Last post by TheGreenGoblin « Sat Nov 09, 2019 9:11 am
Replies: 2
by ian16th » Fri Nov 08, 2019 11:59 am

First post

A billion here and a billion there adds up.

We will soon be talking about serious money!

Last post

A billion here and a billion there adds up.

We will soon be talking about serious money!

One hopes it is not like the Rolls-Royce RB211 all over...

2 Replies

181 Views

Last post by TheGreenGoblin
Sat Nov 09, 2019 9:11 am
Anybody for hypergolic fuels, C, T or Z-Stoff or anything to do with rockets at all?

Last post by TheGreenGoblin « Sat Oct 19, 2019 6:08 pm
Replies: 7
by TheGreenGoblin » Wed Oct 16, 2019 5:22 pm

First post

Since I was a young boy I have always been fascinated with things that go bang, like my uncle before me who managed to blow his thumb off in this...

Last post

......and the Vickers Valiant

All the better to protect the aircraft from the nuclear flash.

I remember reading somewhere that a US spy aircraft...

7 Replies

381 Views

Last post by TheGreenGoblin
Sat Oct 19, 2019 6:08 pm
Lorentz question

Last post by TheGreenGoblin « Mon Sep 16, 2019 9:19 pm
Replies: 12
by Slasher » Thu Sep 12, 2019 12:42 am

First post

Sitting around scratching my nuts recently I was idly toying with those equations (in concert with Jimmy Maxwell's) and wondered: is it possible to...

Last post

While Captain Slasher sets up ever more fiendish failure scenarios to test his trainee pilots' mettle in the simulator, I noticed this interesting...

12 Replies

790 Views

Last post by TheGreenGoblin
Mon Sep 16, 2019 9:19 pm
Scary software problem for Boeing

Last post by Capetonian « Fri Aug 09, 2019 8:12 am
Replies: 2
by ricardian » Fri Aug 09, 2019 6:33 am

First post

Boeing's software code - security lapses

Last post

Just like the Titanic was unsinkable.

2 Replies

938 Views

Last post by Capetonian
Fri Aug 09, 2019 8:12 am
Electric aeroplanes

Last post by Slasher « Thu May 02, 2019 6:22 am
Replies: 25
by Alisoncc » Thu Apr 25, 2019 5:48 am
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First post

Just been reading some journalistic bumpf about electric aeroplanes. Nothing of any technical value, but the author seemed to intimate that we would...

Last post

This looks a bit hopeful! :)
25 Replies

390 Views

Last post by Slasher
Thu May 02, 2019 6:22 am
FOD - Foreign Objects and Debris

Last post by Krystal n Chips « Thu Apr 25, 2019 6:46 am
Replies: 9
by Alisoncc » Sun Apr 21, 2019 7:32 am

First post

'I never plan to fly on it': Boeing workers blow whistle on 787 plant

When Boeing broke ground on its new factory near Charleston in 2009, the...

Last post

Cessna Citations had a well deserved reputation for slack quality control at the build factory at Wichita, first maintenance check after build...

9 Replies

204 Views

Last post by Krystal n Chips
Thu Apr 25, 2019 6:46 am
Dag Hammarskjöld - DC6 crash

Last post by ExSp33db1rd « Tue Apr 09, 2019 11:54 pm
Replies: 7
by Alisoncc » Sat Mar 09, 2019 1:46 pm

First post

One of those interminable Air Crash Investigation episodes on the box. This one relating to the death of Dag Hammarskjöld in September 1961. They go...

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Bombay ! Bombay ! this is Delhi .... shut up Bombay.

7 Replies

215 Views

Last post by ExSp33db1rd
Tue Apr 09, 2019 11:54 pm
Is this going to be a winner?

Last post by G-CPTN « Mon Apr 08, 2019 11:52 am
Replies: 1
by ian16th » Mon Apr 08, 2019 11:05 am

First post

Reaction Engines Pre-Cooler Passes Mach 3.3 Test

Last post

Not if this is their website:-

Internal Server Error
The server encountered an internal error or misconfiguration and was unable to complete your...

1 Replies

77 Views

Last post by G-CPTN
Mon Apr 08, 2019 11:52 am
Engine Producion

Last post by ian16th « Sun Feb 10, 2019 7:45 am
Replies: 3
by ian16th » Thu Feb 07, 2019 12:53 pm

First post

“At least nine countries can make nuclear bombs, but just two—the U.S. and UK—can make single-crystal turbine blades for modern aeroengines.”

Last post

“At least nine countries can make nuclear bombs, but just two—the U.S. and UK—can make single-crystal turbine blades for modern aeroengines.”...

3 Replies

174 Views

Last post by ian16th
Sun Feb 10, 2019 7:45 am
Quantum Radar

Last post by Slasher « Thu Dec 13, 2018 3:31 pm
Replies: 1
by Cacophonix » Tue Nov 06, 2018 12:25 pm

First post

HUHAI, China—A potentially breakthrough quantum radar prototype is making a debut appearance at the Zhuhai Airshow.

In displaying the unique device,...

Last post

Thought I'd throw this into the mix:

1 Replies

278 Views

Last post by Slasher
Thu Dec 13, 2018 3:31 pm
New way of producing jet fuel

Last post by unifoxos « Wed Oct 03, 2018 9:18 am
Replies: 1
by Mrs Ex-Ascot » Wed Oct 03, 2018 7:00 am

First post

This is a very interesting experiment; Virgin is going to fly a 747 across the Atlantic using fuel made from recycled carbon emissions.

From the...

Last post

It takes these waste, carbon-rich gases to first make ethanol. The ethanol can be used for a range of low carbon products, including jet fuel.

And...

1 Replies

192 Views

Last post by unifoxos
Wed Oct 03, 2018 9:18 am
NASA’s new space taxis

Last post by Wilco « Tue Aug 28, 2018 10:56 pm

by Wilco » Tue Aug 28, 2018 10:56 pm

0 Replies

172 Views

Last post by Wilco
Tue Aug 28, 2018 10:56 pm
Hyper Loop anyone?

Last post by boing « Sat Aug 11, 2018 11:48 pm
Replies: 1
by Ibbie » Sat Aug 11, 2018 9:41 am

First post

Seems we are getting the Loop in Spain.

Last post

via electric propulsion through a low-pressure tube.

Is the pressure low enough that the vehicle itself will need to be pressurised?

.

1 Replies

162 Views

Last post by boing
Sat Aug 11, 2018 11:48 pm
President Putin revives Project Pluto.

Last post by AtomKraft « Wed May 02, 2018 8:45 am
Replies: 38
by AtomKraft » Fri Mar 02, 2018 1:26 am
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Sorry about the alliteration, but it seems that Russia is developing a nuclear powered supersonic cruise missile.

He might think it's his own idea,...

Last post

A lot of info in this clip.
38 Replies

962 Views

Last post by AtomKraft
Wed May 02, 2018 8:45 am
Missiles.

Last post by Cacophonix « Tue Mar 06, 2018 12:51 pm
Replies: 14
by AtomKraft » Sat Mar 03, 2018 9:29 pm

First post

Always a tricky subject, for obvious reasons, yet fascinating for others.

The SeaSlug was a favourite, but hard to find footage.

Anyways, to top...

Last post

It seems that the while the Sprint missile was the all time kitty when it came to acceleration on this side of the Cold War the Soviet Gazelle was an...

14 Replies

537 Views

Last post by Cacophonix
Tue Mar 06, 2018 12:51 pm
At least Robots don't suffer from fatigue

Last post by Capetonian « Sun Jan 07, 2018 7:51 pm
Replies: 5
by Mrs Ex-Ascot » Thu May 18, 2017 8:23 am

First post

At least this pilot shouldn't fall asleep at the wheel!

:D

Last post

South Africa decided they’d finally send a man up in a space capsule after sending only monkeys in the earlier missions. They send van der Merwe and...

5 Replies

618 Views

Last post by Capetonian
Sun Jan 07, 2018 7:51 pm
The DH106

Last post by John Hill « Sun Jun 11, 2017 3:56 am
Replies: 5
by Wodrick » Wed May 31, 2017 3:24 pm

First post

Found this on TOP. I never even knew this restoration existed but just look what they done to it.

And that leads one to a 25 min video, worth a...

Last post

Comet first successful jet airliner? What about the Tu104 which I believe for a couple of years was the only jetliner in service anywhere?...

5 Replies

379 Views

Last post by John Hill
Sun Jun 11, 2017 3:56 am
Circular runways

Last post by Boac « Fri Apr 21, 2017 2:06 pm
Replies: 18
by Capetonian » Thu Mar 16, 2017 7:52 am

First post

I am interested to know what those of you who sit in the pointy end think of this idea. Clearly it has some merit, but is it sound enough to fly, if...

Last post

The nutter who started this latest round of madness, Henk Hesselink, has said this:

"Obviously, as we are making a turn during the landing,...

18 Replies

726 Views

Last post by Boac
Fri Apr 21, 2017 2:06 pm
My first design

Last post by OFSO « Sat Jan 14, 2017 8:45 am
Replies: 8
by OFSO » Mon Jan 09, 2017 2:50 pm

NB - no computer graphics or photo-editing or computer trickery of any sort used in this shot !

8 Replies

498 Views

Last post by OFSO
Sat Jan 14, 2017 8:45 am
Aircraft engine falls off truck in Sydney

Last post by MoreAviation « Sat Sep 10, 2016 3:38 pm
Replies: 8
by Alisoncc » Tue Sep 06, 2016 6:37 am

First post

A seven-tonne aircraft engine has blocked traffic in Sydney's south-west after falling off the back of a truck.
Emergency services were called to...

Last post

I was reminded by this thread of the loss of the engine and aircraft associated with American Airlines Flight 191. The engine tumbled back over the...

8 Replies

737 Views

Last post by MoreAviation
Sat Sep 10, 2016 3:38 pm
STOL take-off

Last post by Alisoncc « Sun Jun 19, 2016 6:54 pm
Replies: 2
by OFSO » Sun Jun 19, 2016 3:44 pm

First post

Is this degree of vibration normal on a steep take-off ?

Last post

Used to get more vibration than that just taxying BN2A's in PNG. Given the almost continuous rain there they weren't known as puddle-jumpers for...

2 Replies

400 Views

Last post by Alisoncc
Sun Jun 19, 2016 6:54 pm

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