Engineering/Technical Discussions

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Finnair Embraer

Last post by talmacapt « Sun Apr 13, 2025 8:11 am
Replies: 6
by talmacapt » Fri Apr 11, 2025 6:55 pm

First post

Finnair have cancelled all flights on their e-jets tomorrow.

I suspect it is a tech problem but have no more information.

Last post

It seems that some, perhaps all, Finnair e-jets are back in the air today.

6 Replies

428 Views

Last post by talmacapt
Sun Apr 13, 2025 8:11 am
Minimum distance of obstacles from a runway

Last post by Rwy in Sight « Sat Apr 12, 2025 6:09 am

by Rwy in Sight » Sat Apr 12, 2025 6:09 am

I am not sure we have an airport engineer here but discussing solar panels at work yesterday a question prompted about LGAV installation of solar...

0 Replies

38 Views

Last post by Rwy in Sight
Sat Apr 12, 2025 6:09 am
Dutch startup Elysian plans for a fully electric regional aircraft, with a range of 500 miles

Last post by PHXPhlyer « Mon Jul 15, 2024 6:10 pm

by PHXPhlyer » Mon Jul 15, 2024 6:10 pm

Fully electric 90-passenger plane could fly 500 miles

Commercial aviation is struggling to reduce its climate impact and it’s currently not...

0 Replies

7912 Views

Last post by PHXPhlyer
Mon Jul 15, 2024 6:10 pm
Boeing 777X Begins Flight Testing

Last post by PHXPhlyer « Sat Jul 13, 2024 8:43 pm

by PHXPhlyer » Sat Jul 13, 2024 8:43 pm

Boeing 777X finally gets FAA green light for certification flights

In an important milestone in the development of Boeing’s new 777X commercial...

0 Replies

2193 Views

Last post by PHXPhlyer
Sat Jul 13, 2024 8:43 pm
Electric aeroplanes

Last post by Ex-Ascot « Fri Jun 28, 2024 8:08 am
Replies: 33
by Alisoncc » Thu Apr 25, 2019 5:48 am
1

2
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

Can it stay airborne on 50% of its power units?

How long to parachute down from 30,000'? The smaller aircraft descend at 1,700 fpm. This would make...
33 Replies

12947 Views

Last post by Ex-Ascot
Fri Jun 28, 2024 8:08 am
Massive Airports Coming to a Desert Nowhere Near You

Last post by limeygal « Thu May 16, 2024 10:11 am
Replies: 7
by PHXPhlyer » Tue Apr 30, 2024 9:00 pm

First post

Dubai reveals massive plans for the world’s busiest airport

CNN
—
When it comes to airport expansion projects, the Gulf States are abuzz and...

Last post

Talma-my first trip was in 1973 with Dan-Air. We stayed at the Ambassador. Went over to the Carlton for dinner once, ended up at a BA room party. I...

7 Replies

4119 Views

Last post by limeygal
Thu May 16, 2024 10:11 am
Tricks of the 727

Last post by Ex-Ascot « Sun Feb 04, 2024 8:33 am
Replies: 12
by llondel » Thu Feb 01, 2024 10:51 pm

First post

I came across this today, a video talking about features of the 727. No doubt old news to some on here, but interesting me. Includes the quote Let's...

Last post

The military looked at the VC10 for HALO, jumping out of the cargo hold. In the simulation engine numbers 3&4 intake flows overtook the gravitational...

12 Replies

5165 Views

Last post by Ex-Ascot
Sun Feb 04, 2024 8:33 am
NASA’s X-59 “quiet” supersonic aircraft ready for testing

Last post by llondel « Tue Jan 16, 2024 2:56 am
Replies: 2
by PHXPhlyer » Fri Aug 25, 2023 5:31 pm

First post

NASA moves a step closer to supersonic passenger flights

Oh for the glory days of travel, when the seats were bigger, the food was better, and...

Last post

Due to this configuration, the cockpit is located almost halfway down the length of the aircraft – and does not have a forward-facing window....

2 Replies

4696 Views

Last post by llondel
Tue Jan 16, 2024 2:56 am
Flying Car

Last post by PHXPhlyer « Mon Nov 27, 2023 11:43 pm
Replies: 5
by PHXPhlyer » Wed Jun 30, 2021 11:04 pm

First post

Flying car completes 35-minute test flight between cities

London (CNN Business)A prototype flying car has completed a test flight between two...

Last post

$170,000 flying car created in Oregon takes off on first successful flight
Samson Sky's CEO said his Prineville company has been working on...

5 Replies

6675 Views

Last post by PHXPhlyer
Mon Nov 27, 2023 11:43 pm
30 Years to nuclear fusion breakthrough!

Last post by OneHungLow « Sat Sep 23, 2023 7:59 am
Replies: 8
by TheGreenAnger » Tue Dec 13, 2022 8:22 am

It is a shibboleth of those associated with the nuclear fusion industry that we are always have about 30 years before the technology becomes viable...

8 Replies

6235 Views

Last post by OneHungLow
Sat Sep 23, 2023 7:59 am
World's Fastest Single Engine Turboprop!

Last post by Archer « Wed Sep 20, 2023 9:51 am
Replies: 2
by OneHungLow » Mon Sep 11, 2023 12:31 pm

First post

Overpowered?

Trouble with hotrods is that they tend to want to kill you, and often do so.

Last post

That depends... I'm guessing this is registered as an experimental and as such, the NTSB does not need to get involved. Unless I'm mistaken of...

2 Replies

3678 Views

Last post by Archer
Wed Sep 20, 2023 9:51 am
New Blended-wing Body Design For USAF

Last post by PHXPhlyer « Mon Aug 21, 2023 9:21 pm
Replies: 2
by PHXPhlyer » Thu Aug 17, 2023 2:50 pm

First post

Start-up gets $235 million from the Air Force for new plane prototype
JetZero officials argue that traditional planes are running out of ways to...

Last post

More on JetZero BWB

JetZero: Is this new plane design the future of aviation?

The basic design of commercial airplanes hasn’t changed much in...

2 Replies

3540 Views

Last post by PHXPhlyer
Mon Aug 21, 2023 9:21 pm
VTOL - Verbiage and Videos

Last post by PHXPhlyer « Mon Jul 24, 2023 7:35 pm
Replies: 36
by TheGreenGoblin » Sun Mar 13, 2022 7:39 am
1

2
First post

The Yakovlev Yak-141

Cooperation with Lockheed
Following the announcement by the CIS on September 1991 that it could no longer fund...

Last post

Read the article earlier this morning and found that my local library has an e-copy of the book. :-bd
Now on my too extensive reading list.

PP
36 Replies

10888 Views

Last post by PHXPhlyer
Mon Jul 24, 2023 7:35 pm
Airlines warn of 5G flight disruption

Last post by llondel « Mon May 15, 2023 2:23 am
Replies: 29
by Alisoncc » Tue Jan 18, 2022 10:56 am
1

2
First post

The 10 biggest US airlines have warned that the impending switch-on of 5G mobile phone services will cause major disruption to flights.

They said...

Last post

Bring back the classic red call boxes They are awfully heavy to carry around, aren't they, and sometimes the wires are too short.

I saw one in NYC...
29 Replies

9877 Views

Last post by llondel
Mon May 15, 2023 2:23 am
Rocket and Jet Powered Cars.

Last post by OneHungLow « Tue May 09, 2023 4:39 am
Replies: 7
by OneHungLow » Mon May 08, 2023 6:47 pm

First post

I was recently apt to wonder who were the first people to attach rocket engines or jet engines to their cars, prompted after rereading the Arizona...

Last post

On the US dragster scene, the heyday of the rocket powered cars came to an end in the 70's due to the difficulty for the administrators of drag meets...

7 Replies

4126 Views

Last post by OneHungLow
Tue May 09, 2023 4:39 am
New Era of LTA

Last post by PHXPhlyer « Fri Mar 03, 2023 2:39 am

by PHXPhlyer » Fri Mar 03, 2023 2:39 am

A new generation of airships is taking to the skies

See link for pics

CNN
—
The smooth, white underbelly of the airborne whale sails across...

0 Replies

4456 Views

Last post by PHXPhlyer
Fri Mar 03, 2023 2:39 am
Oil pipes etc

Last post by Fox3WheresMyBanana « Thu Jan 19, 2023 3:15 pm
Replies: 13
by Smeagol » Tue Dec 20, 2022 7:38 pm

First post

A fellow named Peter Zeihan does some nice presentations on the weaknesses of various energy sources. One item he points out is that if crude oil...

Last post

With reference to the Ukraine war, I have held the view for a long time that the Ukrainian SF could simply pop a short distance over the border into...

13 Replies

5933 Views

Last post by Fox3WheresMyBanana
Thu Jan 19, 2023 3:15 pm
SpinLaunch...

Last post by OFSO « Sun Nov 20, 2022 9:21 pm
Replies: 9
by TheGreenAnger » Sat Nov 19, 2022 10:30 am

First post

I have watched the evolution of this technology and this company for some time now, and while I am intrigued, I doubt that the apparatus can be...

Last post

I have this picture in my mind of some alien creature on some alien planet millions of years in the future being hit on the head by a weight trailing...

9 Replies

5073 Views

Last post by OFSO
Sun Nov 20, 2022 9:21 pm
The Traitorous 8

Last post by TheGreenAnger « Sat Nov 19, 2022 9:20 am
Replies: 22
by TheGreenGoblin » Tue Sep 14, 2021 12:58 pm
1

2
First post

The story of the microchip, the CPU and the rise and plateauing of Intel.

The Rise

The 8.JPG

Last post

I see that Elizabeth Holmes was sentenced to 11 years and 3 months in prison!
22 Replies

9790 Views

Last post by TheGreenAnger
Sat Nov 19, 2022 9:20 am
Backwards and forwards through time.

Last post by llondel « Sun Nov 13, 2022 5:27 am
Replies: 1
by TheGreenAnger » Sat Nov 12, 2022 9:23 am

First post

Light goes backwards in time

Physicists today claim that they reached 300 times the speed of light. But don't write off Einstein, and don't hold...

Last post

Technically it is possible to travel faster than light, the problem is that mass becomes infinite at the speed of light and so it is impossible to...

1 Replies

3954 Views

Last post by llondel
Sun Nov 13, 2022 5:27 am
Spintronics and the 3D Quantum accelerometer.

Last post by TheGreenAnger « Thu Nov 03, 2022 2:03 pm
Replies: 2
by TheGreenAnger » Wed Nov 02, 2022 7:00 am

First post

Score another technical advance thanks to those whose intellects underwrote (and continue to underwrite) quantum theory and the worlds of quantum...

Last post

Maybe this should have gone on the computer thread but as it focusses more on navigational computers probably it belongs here. Whatever the case It...

2 Replies

4001 Views

Last post by TheGreenAnger
Thu Nov 03, 2022 2:03 pm
Electrikery...

Last post by VP959 « Sat Sep 24, 2022 8:17 am
Replies: 15
by TheGreenGoblin » Sat Dec 11, 2021 4:04 pm

15 Replies

6850 Views

Last post by VP959
Sat Sep 24, 2022 8:17 am
Hover bike

Last post by G-CPTN « Sat Sep 24, 2022 8:00 am
Replies: 6
by TheGreenAnger » Fri Sep 23, 2022 1:47 pm

First post

Interesting machine.

Last post

Looks interesting (in-ground-effect) - shades of Caspian Sea Monster.

6 Replies

4318 Views

Last post by G-CPTN
Sat Sep 24, 2022 8:00 am
Sustainable Aircraft Fuel & eFuels

Last post by TheGreenGoblin « Sat Jun 04, 2022 4:25 am

by TheGreenGoblin » Sat Jun 04, 2022 4:25 am

While aviation draws the ire of environmentalists due to the industry's big carbon footprint (although still dwarfed by the shipping industry), there...

0 Replies

4532 Views

Last post by TheGreenGoblin
Sat Jun 04, 2022 4:25 am
Sapphire Wire

Last post by TheGreenGoblin « Tue Apr 26, 2022 4:11 pm

by TheGreenGoblin » Tue Apr 26, 2022 4:11 pm

From fusion reactors to your internet connection, fiber-optic cables have a wide range of applications due to how efficiently they send data when...

0 Replies

4630 Views

Last post by TheGreenGoblin
Tue Apr 26, 2022 4:11 pm

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