Engineering/Technical Discussions

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Science fiction, tomorrow's reality?

Last post by TheGreenGoblin « Wed Feb 03, 2021 4:27 am

by TheGreenGoblin » Wed Feb 03, 2021 4:27 am

0 Replies

230 Views

Last post by TheGreenGoblin
Wed Feb 03, 2021 4:27 am
The Qubit Thread...

Last post by TheGreenGoblin « Thu Jan 14, 2021 6:13 pm
Replies: 12
by TheGreenGoblin » Thu Jan 07, 2021 1:46 pm

First post

For those who are interested in matters quantum, of whom there must be many here! ;)))

A really good intro. to quantum computing...

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A really good article on this area of science by Tushna Commisariat...

although hard nosed Aussies like Matt O' Dowd might pooh-pooh such stuff...

12 Replies

547 Views

Last post by TheGreenGoblin
Thu Jan 14, 2021 6:13 pm
Heavy aircraft on natural surfaces?

Last post by John Hill « Wed Dec 30, 2020 6:34 pm
Replies: 8
by John Hill » Wed Dec 30, 2020 4:39 am

First post

This may be a silly question but I will ask anyway...

There is a group who wish to return an ex-Air New Zealand 747-400 and position it at the town...

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JH - is this the same project as ? If so, which topic should we post on?

I seem to have confused this somewhat. I had intended the other topic to...

8 Replies

588 Views

Last post by John Hill
Wed Dec 30, 2020 6:34 pm
Oil not Olive

Last post by Pontius Navigator « Mon Dec 07, 2020 12:28 pm
Replies: 3
by Ex-Ascot » Mon Dec 07, 2020 9:32 am

First post

I am getting very confused with contradictory advice on engine oil. We have a plethora of engineering experience and qualifications here. What the...

Last post

Go for 10/50 then, second thoughts, gear box oil is different from engine oil.

3 Replies

749 Views

Last post by Pontius Navigator
Mon Dec 07, 2020 12:28 pm
Does physics mean that "free will" is a ludicrous concept?

Last post by TheGreenGoblin « Sat Dec 05, 2020 4:55 pm
Replies: 1
by TheGreenGoblin » Sat Dec 05, 2020 3:41 pm

Sabine Hossenfelder makes some trenchant points...

1 Replies

700 Views

Last post by TheGreenGoblin
Sat Dec 05, 2020 4:55 pm
Battery Power...

Last post by TheGreenGoblin « Thu Nov 26, 2020 9:14 am

by TheGreenGoblin » Thu Nov 26, 2020 9:14 am

It seems Pretoria High School's star pupil is planning a BIG battery factory in Germany.

Tesla (TSLA) boss Elon Musk is aiming to build the world’s...

0 Replies

813 Views

Last post by TheGreenGoblin
Thu Nov 26, 2020 9:14 am
Virgin Hyper Loop...

Last post by Boac « Mon Nov 09, 2020 4:12 pm
Replies: 2
by TheGreenGoblin » Mon Nov 09, 2020 2:53 pm

First post

Richard Branson’s Virgin Hyperloop has completed the world’s first passenger ride on a super high-speed levitating pod system, a key safety test for...

Last post

Hope no-one opens a window............. :))

PS How do you get on and off?

2 Replies

920 Views

Last post by Boac
Mon Nov 09, 2020 4:12 pm
A double-take on this photo!

Last post by TheGreenGoblin « Sat Nov 07, 2020 5:51 am
Replies: 8
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

Well, it's been tried before, so unless the physics has changed.....

Lockheeds attempt, by Kelly Johnson no less was called SUNTAN.

Lockheed...

8 Replies

1431 Views

Last post by TheGreenGoblin
Sat Nov 07, 2020 5:51 am
Nuclear power plants in aircraft....

Last post by TheGreenGoblin « Sat Oct 31, 2020 2:00 pm
Replies: 23
by TheGreenGoblin » Mon Oct 26, 2020 2:50 pm
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First post

htre3.jpeg

Aircraft nuclear propulsion

Last post

and one's underpants I regret to say that I am familiar with that experience.

More like nuclear power pants in aircraft then... ;)))
23 Replies

1218 Views

Last post by TheGreenGoblin
Sat Oct 31, 2020 2:00 pm
Contra-rotating props...

Last post by ian16th « Sun Oct 25, 2020 1:29 pm
Replies: 31
by TheGreenGoblin » Fri Oct 09, 2020 10:51 am
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First post

A bit of nostalgia but also some comments on the efficiency (or lack of it) inherent in contra-rotating designs.

I love Soviet era designs. Old...

Last post

Was the Gannet unique?

The closest thing to a Gannet that I saw was the Frog Alizé which only had one prop.

Elize.jpg
31 Replies

1466 Views

Last post by ian16th
Sun Oct 25, 2020 1:29 pm
Perovskite

Last post by TheGreenGoblin « Mon Oct 19, 2020 4:35 pm

by TheGreenGoblin » Mon Oct 19, 2020 4:35 pm

Could make solar cells far more efficient.

0 Replies

1069 Views

Last post by TheGreenGoblin
Mon Oct 19, 2020 4:35 pm
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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First post

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...

Last post

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

1919 Views

Last post by John Hill
Wed Sep 23, 2020 7:26 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....

Last post

Cheer Up!

4 Replies

1342 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...

Last post

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

1394 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

First post

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...

Last post

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

1541 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

1672 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

3068 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

1522 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

1586 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

2055 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

First post

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...

Last post

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

1845 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

2631 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

1895 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

1027 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

1988 Views

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

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