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South Korea rolls out the KF-21
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PHXPhlyer » Fri Apr 09, 2021 2:43 pm
South Korea rolls out the KF-21, joining elite group of global supersonic fighter jet makers
Updated 3:10 AM ET, Fri April 9, 2021
South Korea...
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Last post by PHXPhlyer
Fri Apr 09, 2021 2:43 pm
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Heavy aircraft on natural surfaces?
Replies: 8
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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...
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Last post by John Hill
Wed Dec 30, 2020 6:34 pm
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Oil not Olive
Replies: 3
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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.
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Last post by Pontius Navigator
Mon Dec 07, 2020 12:28 pm
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Last post by TheGreenGoblin
Sat Dec 05, 2020 4:55 pm
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Battery Power...
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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...
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- 4385 Views
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Last post by TheGreenGoblin
Thu Nov 26, 2020 9:14 am
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Virgin Hyper Loop...
Replies: 2
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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...
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Hope no-one opens a window............. :))
PS How do you get on and off?
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Last post by Boac
Mon Nov 09, 2020 4:12 pm
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A double-take on this photo!
Replies: 8
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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...
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- 5010 Views
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Last post by TheGreenGoblin
Sat Nov 07, 2020 5:51 am
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Contra-rotating props...
Replies: 31
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TheGreenGoblin » Fri Oct 09, 2020 10:51 am
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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...
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Was the Gannet unique?
The closest thing to a Gannet that I saw was the Frog Alizé which only had one prop.
Elize.jpg
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Last post by ian16th
Sun Oct 25, 2020 1:29 pm
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Last post by TheGreenGoblin
Mon Oct 19, 2020 4:35 pm
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Magnesium alloys?
Replies: 34
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John Hill » Mon Aug 17, 2020 5:34 am
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...
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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
- 5962 Views
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Last post by John Hill
Wed Sep 23, 2020 7:26 pm
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'Bitchin Betty' or 'Sexy Sally'
Replies: 4
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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!
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- 4632 Views
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Last post by Pontius Navigator
Mon Sep 14, 2020 3:39 pm
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Flying V Takes Flight
Replies: 2
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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...
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Last post by TheGreenGoblin
Fri Sep 04, 2020 10:39 am
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Helicopter Anti-Vibration technologies and strategies...
Replies: 8
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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...
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Last post by CharlieOneSix
Sat Aug 29, 2020 11:07 pm
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Nautical Design
Replies: 37
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Ex-Ascot » Fri Aug 28, 2020 7:40 am
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...
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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...
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Last post by Ex-Ascot
Sat Aug 29, 2020 12:49 pm
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AI pilot bests human F-16 pilot
Replies: 9
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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
- 3896 Views
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Last post by Boac
Sun Aug 23, 2020 7:42 am
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Arecibo telescope badly damaged...
Replies: 7
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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
- 3849 Views
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Last post by unifoxos
Sun Aug 16, 2020 11:00 am
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Garmin Hack
Replies: 22
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TheGreenGoblin » Mon Jul 27, 2020 5:45 am
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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
- 4671 Views
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Last post by Pontius Navigator
Tue Jul 28, 2020 2:13 pm
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TCAS - To Avoid or Not?
Replies: 2
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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...
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- 4017 Views
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Last post by Alisoncc
Sun Jul 26, 2020 7:37 am
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Great engineering companies that are longer extant.
Replies: 9
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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...
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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...
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- 4040 Views
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Last post by llondel
Tue Jun 16, 2020 5:47 pm
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Last post by TheGreenGoblin
Sat May 23, 2020 5:33 am
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When software designers get it fundamentally wrong.
Replies: 19
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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
- 4523 Views
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Last post by TheGreenGoblin
Mon Apr 13, 2020 6:26 am
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Interesting map projection
Replies: 14
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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
- 4668 Views
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Last post by sidevalve
Mon Mar 02, 2020 7:40 pm
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New Airbus proposal
Replies: 17
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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
- 4621 Views
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Last post by barkingmad
Fri Feb 14, 2020 5:02 pm
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Great aeronautical engineers...
Replies: 8
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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...
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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....
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- 4656 Views
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Last post by TheGreenGoblin
Mon Feb 10, 2020 7:11 pm
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777X Flies!
Replies: 25
by
PHXPhlyer » Sun Jan 26, 2020 12:49 am
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
- 4795 Views
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Last post by Capetonian
Mon Jan 27, 2020 7:04 pm
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