Engineering/Technical Discussions

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Quantum Radar

Last post by Cacophonix « Tue Nov 06, 2018 12:25 pm

by Cacophonix » Tue Nov 06, 2018 12:25 pm

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

In displaying the unique device,...

0 Replies

53 Views

Last post by Cacophonix
Tue Nov 06, 2018 12:25 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

104 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

111 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

100 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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First post

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

584 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

337 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

518 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

274 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

572 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

383 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

598 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

319 Views

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

Last post by OFSO « Wed Mar 16, 2016 9:25 pm
Replies: 13
by Boac » Tue Feb 16, 2016 10:08 pm

First post

Seeking an electrical whiz who can tell me roughly what the consumption of a 15W under-unit kitchen fluorescent striplight would be. (Answers of...

Last post

The pyramidical base designs are copied from a 25th dynasty wall-painting made probably during the reign of Ashurbanipal, and which was found on the...

13 Replies

575 Views

Last post by OFSO
Wed Mar 16, 2016 9:25 pm
Bouncing stones on water

Last post by OFSO « Thu Mar 10, 2016 10:34 am
Replies: 8
by boing » Wed Feb 10, 2016 3:05 pm

First post

I can't help thinking that this has all been done before by a one-man development unit.

Last post

Did I not read somewhere of someone (possibly Crun-nish in personality) building a machine which would shoot saucer-shaped objects (deep frozen ice...

8 Replies

637 Views

Last post by OFSO
Thu Mar 10, 2016 10:34 am
the secret of ancient roman concrete discovered.

Last post by Pontius Navigator « Sat Aug 19, 2017 6:35 am
Replies: 5
by dubbleyew eight » Wed Feb 10, 2016 2:01 pm

First post

ancient roman concrete lasts longer than portland cement.
scientists have finally rediscovered what the romans did to make such long lasting cement.

Last post

When Ascension Island airfield was being upgraded in 1984 the pervious crushed lava was replaced with concrete using locally produced lava based...

5 Replies

632 Views

Last post by Pontius Navigator
Sat Aug 19, 2017 6:35 am
Licensed Aircraft Maintenance Engineers

Last post by om15 « Sun Feb 07, 2016 3:46 pm
Replies: 47
by Blacksheep » Wed Aug 26, 2015 3:38 pm
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First post

I'm a lapsed BCAR Section 'L' licence holder. Licence number 17270, Type Rated in Paragraphs 9 (Electical Systems) 10.1.3 (B707 Multi-Category...

Last post

LAMEs are not only trained and competent in technical maintenance, but also are required to be completely familiar with the Regulations issued by the...
47 Replies

1884 Views

Last post by om15
Sun Feb 07, 2016 3:46 pm

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