Engineering/Technical Discussions

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Magnesium alloys?

Last post by John Hill « Wed Sep 23, 2020 7:26 pm
Replies: 34
by John Hill » Mon Aug 17, 2020 5:34 am
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We have received a Goblin engine to add to our museum collection. It some ways it is quite a gem with apparently all hoses, connections, ancillaries...

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Thanks, that's about four hours work so far on this side and we have just started on the other side. It looks good in some places but even our little...
34 Replies

652 Views

Last post by John Hill
Wed Sep 23, 2020 7:26 pm
A double-take on this photo!

Last post by Boac « Wed Sep 23, 2020 2:22 pm
Replies: 5
by Boac » Wed Sep 23, 2020 7:54 am

First post

Photoshop is good!

There is also a 'video' of the formation in flight. Clever cgi.

Last post

What happened to the Hindenburg?

5 Replies

74 Views

Last post by Boac
Wed Sep 23, 2020 2:22 pm
'Bitchin Betty' or 'Sexy Sally'

Last post by Pontius Navigator « Mon Sep 14, 2020 3:39 pm
Replies: 4
by TheGreenGoblin » Mon Sep 14, 2020 9:29 am

First post

I was interested to read that the Convair B-58 Hustler was probably the first aircraft to use recorded voice prompts as part of the control system....

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Cheer Up!

4 Replies

133 Views

Last post by Pontius Navigator
Mon Sep 14, 2020 3:39 pm
Flying V Takes Flight

Last post by TheGreenGoblin « Fri Sep 04, 2020 10:39 am
Replies: 2
by TheGreenGoblin » Fri Sep 04, 2020 10:24 am

First post

In partnership with Dutch airline KLM, Delft University of Technology (TU Delft) has successfully flown a scale model of its Flying-V airliner...

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Whenever I see a model used as an initial prototype I am apt to think of the Hardy Kruger character in The Flight of the Phoenix...

2 Replies

180 Views

Last post by TheGreenGoblin
Fri Sep 04, 2020 10:39 am
Helicopter Anti-Vibration technologies and strategies...

Last post by CharlieOneSix « Sat Aug 29, 2020 11:07 pm
Replies: 8
by TheGreenGoblin » Fri Aug 28, 2020 4:03 am

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I was prompted to post this thread on the basis of some of the excellent points raised in C16's recent fascinating thread on the Sikorsky S-76...

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I'm not sure if it is unique but it is unusual - and that is the nodal beam anti-vibration system on the Bell 214ST - the helicopter type in my...

8 Replies

298 Views

Last post by CharlieOneSix
Sat Aug 29, 2020 11:07 pm
Nautical Design

Last post by Ex-Ascot « Sat Aug 29, 2020 12:49 pm
Replies: 37
by Ex-Ascot » Fri Aug 28, 2020 7:40 am
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First post

The Squiffy Pussy III Project

As some of you know we own a pontoon house boat on our lagoon. It was designed and built by the previous owner of our...

Last post

OK, just had a meeting with the welder friend. Put all your points to him guys (thank you again). He is going with the knife edge bow it will be a...
37 Replies

415 Views

Last post by Ex-Ascot
Sat Aug 29, 2020 12:49 pm
Wind Turbine De-Icing.

Last post by PHXPhlyer « Thu Aug 27, 2020 4:19 pm
Replies: 20
by barkingmad » Mon Dec 02, 2019 2:17 pm
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First post

December UK and freezing fog with a breeze is forecast for 03/12.

Does anyone know how the wind turbine ‘wings’ cope with icing conditions or do the...

Last post

#Black Blades Matter

PP
20 Replies

1838 Views

Last post by PHXPhlyer
Thu Aug 27, 2020 4:19 pm
AI pilot bests human F-16 pilot

Last post by Boac « Sun Aug 23, 2020 7:42 am
Replies: 9
by TheGreenGoblin » Fri Aug 21, 2020 3:30 pm

First post

An AI pilot has defeated a US Air Force pilot in a virtual F-16 dogfight in a coming of age moment for artificial intelligence.

The US military's...

Last post

That's how I worked.

9 Replies

319 Views

Last post by Boac
Sun Aug 23, 2020 7:42 am
Arecibo telescope badly damaged...

Last post by unifoxos « Sun Aug 16, 2020 11:00 am
Replies: 7
by TheGreenGoblin » Fri Aug 14, 2020 10:43 am

First post

Arecibo

Last post

… So remember, when you're feeling very small and insecure,
How amazingly unlikely is your birth;
And pray that there's intelligent life somewhere...

7 Replies

367 Views

Last post by unifoxos
Sun Aug 16, 2020 11:00 am
Garmin Hack

Last post by Pontius Navigator « Tue Jul 28, 2020 2:13 pm
Replies: 22
by TheGreenGoblin » Mon Jul 27, 2020 5:45 am
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First post

Tens of millions of people around the world have found their Garmin devices, including those used by runners, cyclists and pilots, down for fifth day...

Last post

My Garmin is now fully charged and boots OK. In previous use the most it was off charge was two weeks while we were on holiday. With my new car it...
22 Replies

804 Views

Last post by Pontius Navigator
Tue Jul 28, 2020 2:13 pm
TCAS - To Avoid or Not?

Last post by Alisoncc « Sun Jul 26, 2020 7:37 am
Replies: 2
by llondel » Tue Jun 30, 2020 5:16 am

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Interesting article in The Register today about how TCAS could be vulnerable to spoofing, so you'd be flying along and get an alert when there was...

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Reminds me of a recent re-run of an Air Craft Investigation episode 1 July 2002, Bashkirian Airlines Flight 2937, a Tupolev Tu-154 passenger jet, and...

2 Replies

629 Views

Last post by Alisoncc
Sun Jul 26, 2020 7:37 am
Is hydrogen the way forward - ZeroAvia

Last post by G-CPTN « Sat Jun 27, 2020 7:50 pm
Replies: 19
by TheGreenGoblin » Fri Jan 31, 2020 2:29 pm

First post

ZeroAvia Bets On Hydrogen For Electric Air Travel

Zeroavia

Pro's and con's...

Last post

Electric plane's 'milestone' first UK test flight at Cranfield.

19 Replies

1400 Views

Last post by G-CPTN
Sat Jun 27, 2020 7:50 pm
Great engineering companies that are longer extant.

Last post by llondel « Tue Jun 16, 2020 5:47 pm
Replies: 9
by TheGreenGoblin » Mon Jun 15, 2020 9:23 am

First post

English Electric..

The English Electric Company Limited was a British industrial manufacturer formed after the armistice of World War I by...

Last post

I used to work for EMI, although that was after they stuck a Thorn in it. Now part of Thales, I believe. Taught me that I didn't want to work for a...

9 Replies

685 Views

Last post by llondel
Tue Jun 16, 2020 5:47 pm
Missiles.

Last post by TheGreenGoblin « Sun Jun 07, 2020 5:58 am
Replies: 46
by AtomKraft » Sat Mar 03, 2018 9:29 pm
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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

Shorts was long on marketing success with this dismal failure on the battlefield. I remember the words of somebody who had used the Blowpipe in...
46 Replies

1010 Views

Last post by TheGreenGoblin
Sun Jun 07, 2020 5:58 am
The Rocket fuel injector! A glorified shower head?

Last post by TheGreenGoblin « Sat May 23, 2020 5:33 am

by TheGreenGoblin » Sat May 23, 2020 5:33 am

Definitely not, but more the work of a thermodynamicist's genius and a highly complex technical area focussed to ensure optimal mixing and...

0 Replies

758 Views

Last post by TheGreenGoblin
Sat May 23, 2020 5:33 am
When software designers get it fundamentally wrong.

Last post by TheGreenGoblin « Mon Apr 13, 2020 6:26 am
Replies: 19
by TheGreenGoblin » Fri Apr 10, 2020 2:28 pm

First post

Yesterday I was perusing some notes I had made some years ago as part of a conference about software used to automatically test software based...

Last post

I suppose the first space/aviation software overflow issue that really made it into the headlines was the Apollo 11's Infamous Landing Error Code...

19 Replies

1120 Views

Last post by TheGreenGoblin
Mon Apr 13, 2020 6:26 am
Interesting map projection

Last post by sidevalve « Mon Mar 02, 2020 7:40 pm
Replies: 14
by TheGreenGoblin » Sun Mar 01, 2020 6:57 pm

First post

Japanese architect Hajime Narukawa claims to have tackled a centuries-old problem - how to draw an oblate spheroid Earth on a flat plane.

He claims...

Last post

Here's a gif that contrasts the size of Australia with other regions..

14 Replies

1205 Views

Last post by sidevalve
Mon Mar 02, 2020 7:40 pm
New Airbus proposal

Last post by barkingmad « Fri Feb 14, 2020 5:02 pm
Replies: 17
by Boac » Tue Feb 11, 2020 10:06 am

First post

The AB blended wing project

EQfJKDeWkAA0TX2.jpg

is indeed 'futuristic', but leaves me wondering what the airflow into the engines will be like at...

Last post

GG’s post # 9 has me very concerned. I cannot recall doing anything “splenetically”, ever, let alone over my aIrborne drinks?

Is this behaviour,...

17 Replies

1327 Views

Last post by barkingmad
Fri Feb 14, 2020 5:02 pm
Great aeronautical engineers...

Last post by TheGreenGoblin « Mon Feb 10, 2020 7:11 pm
Replies: 8
by TheGreenGoblin » Fri Jan 03, 2020 6:36 pm

First post

To my shame I had not heard of Alexander Kartveli (Aleksandre Kartvelishvili) until this week. Reading it about him it is clear that he should be up...

Last post

A great Guy, Kartavelli.

But remember, half the 105 fleet are still in Vietnam....that's 350 jets.
I'm reading 'Not much of an engineer' by Mr....

8 Replies

1487 Views

Last post by TheGreenGoblin
Mon Feb 10, 2020 7:11 pm
777X Flies!

Last post by Capetonian « Mon Jan 27, 2020 7:04 pm
Replies: 25
by PHXPhlyer » Sun Jan 26, 2020 12:49 am
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First post

Interesting stuff about folding wing-tips

PP

Last post

The more complex something is, the more likely it is to go wrong, and the greater the likelihood that those in charge won't be able to resolve the...
25 Replies

1414 Views

Last post by Capetonian
Mon Jan 27, 2020 7:04 pm
Rolls Royce Problems

Last post by barkingmad « Thu Jan 23, 2020 9:48 am
Replies: 6
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

I didn’t realise these new razor blades had been in development this long;

‘Twud make me wonder if there have been significant problems occurring...

6 Replies

2031 Views

Last post by barkingmad
Thu Jan 23, 2020 9:48 am
The Loo of the future in Aviation.

Last post by ExSp33db1rd « Wed Dec 18, 2019 7:55 am
Replies: 3
by ian16th » Tue Dec 17, 2019 1:23 pm

First post

Just think of the aviation applications!

A must have for wide-body a/c on long haul flights.

An Elsan version for those far flung parts of...

Last post

Aircraft should have a number of standing only cubicles,

Bristol Britannia 312 had a small cubicle Gents. Toilet, i.e. only a urinal, no lavatory...

3 Replies

1521 Views

Last post by ExSp33db1rd
Wed Dec 18, 2019 7:55 am
Boeing in yet another technical pickle!

Last post by Rwy in Sight « Thu Dec 12, 2019 5:20 am
Replies: 80
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

Few months ago I would have dismissed your point barkingmad believing in robust procedures. Today it is food for thought.
80 Replies

3331 Views

Last post by Rwy in Sight
Thu Dec 12, 2019 5:20 am
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

1806 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

2439 Views

Last post by Ex-Ascot
Mon Nov 18, 2019 1:26 pm

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