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ChrisNH38
Posts: 249
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Re: Boeing 777X Testing/Production Thread - 2020

Wed Jan 22, 2020 2:35 pm

ER757 wrote:
kriskarch wrote:
Thursday 10 AM PST - exact date and time planned for the first flight according to Dj's Aviation (reliable news) internal source.
Of course might change because of weather or other issues.

Fingers crossed!


Forecast is not promising - Weather Channel says:
Rain. High 53F. Winds SSE at 10 to 20 mph. Chance of rain 90%. Rainfall around a quarter of an inch.


I just hope they don't 'force' this onto a sub-optimal day to score a P.R. win. The P.R. 'win' will happen whether it's tomorrow or another random sunny day.
https://my.flightradar24.com/ChrisNH
 
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bikerthai
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Re: Boeing 777X Testing/Production Thread - 2020

Wed Jan 22, 2020 2:46 pm

The test schedule is important. But fortunately, the final decision will probably be made by the safe to fly team and above all, the pilots.

bt
Intelligent seeks knowledge. Enlightened seeks wisdom.
 
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Grizzly410
Posts: 409
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Re: Boeing 777X Testing/Production Thread - 2020

Wed Jan 22, 2020 3:10 pm

Opus99 wrote:
Grizzly410 wrote:
Don't they perform an RTO high energy between Taxi test and First Flight ?

Yes, so ideally that should be happening today as well


They must be working 24/7 and push hard then, IRC on program I worked on we had two full days between RTO high energy and FF. Even on the 3rd test specimen.
In order to be old and wise, one must first be young and dumb.
 
iamlucky13
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Re: Boeing 777X Testing/Production Thread - 2020

Wed Jan 22, 2020 4:55 pm

bikerthai wrote:
If you think about it though, it might be easier to make a lighter plane fly like a heavier plane by making it more sluggish using software than it would be the reverse. :scratchchin:

bt


In fact, since F=ma, if the wing loading and geometry, control surface loading, thrust to weight, and balance are all similar, there should naturally be a fair amount similarity in handling. Offhand, the most significant effect seems like it should be in the rotational axes (pitch, roll, and yaw), because rotational inertia scales with the square of radius. Since the differences in length and span are moderate at worth, and the amount of mass at those longer radii is relative small, I would not expect major inherent differences.
 
Opus99
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Re: Boeing 777X Testing/Production Thread - 2020

Wed Jan 22, 2020 5:35 pm

 
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qf789
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Re: Boeing 777X Testing/Production Thread - 2020

Wed Jan 22, 2020 6:27 pm

Forum Moderator
 
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qf789
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Re: Boeing 777X Testing/Production Thread - 2020

Wed Jan 22, 2020 6:28 pm

Another video, this one wing tips unfolding before taxi test

https://twitter.com/jenschuld/status/12 ... 90402?s=21
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MileHFL400
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Re: Boeing 777X Testing/Production Thread - 2020

Wed Jan 22, 2020 6:36 pm

Can’t find it on Flightradar24
Thanks and best Regards
AA
 
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N14AZ
Posts: 4137
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Re: Boeing 777X Testing/Production Thread - 2020

Wed Jan 22, 2020 6:38 pm

Great videos. Thanks for sharing!
qf789 wrote:
Another video, this one wing tips unfolding before taxi test

https://twitter.com/jenschuld/status/12 ... 90402?s=21

In this video the wingtips look rather small ... although they are not!
 
MileHFL400
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Re: Boeing 777X Testing/Production Thread - 2020

Wed Jan 22, 2020 6:41 pm

Are there going to be high energy taxi tests today?
Thanks and best Regards
AA
 
Miquel787
Posts: 98
Joined: Wed Jun 15, 2016 4:11 am

Re: Boeing 777X Testing/Production Thread - 2020

Wed Jan 22, 2020 6:45 pm

Wow..great to see Boeing gets it going..Is it me or does it look much bigger then the -300ER? And the engines..huge. Did this run include a high speed taxi test and RTO testing prior to the first flight tomorrow?
 
musman9853
Posts: 961
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Re: Boeing 777X Testing/Production Thread - 2020

Wed Jan 22, 2020 6:56 pm

Miquel787 wrote:
Wow..great to see Boeing gets it going..Is it me or does it look much bigger then the -300ER? And the engines..huge. Did this run include a high speed taxi test and RTO testing prior to the first flight tomorrow?


so far only taxi test has occurred.
Welcome to the City Beautiful.
 
Opus99
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Re: Boeing 777X Testing/Production Thread - 2020

Wed Jan 22, 2020 7:05 pm

 
Opus99
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Re: Boeing 777X Testing/Production Thread - 2020

Wed Jan 22, 2020 7:25 pm

They’re going to go again as soon as brakes cool down. I believe RTO will happen today as well
 
MileHFL400
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Re: Boeing 777X Testing/Production Thread - 2020

Wed Jan 22, 2020 7:33 pm

Did I see 78 knots?
Thanks and best Regards
AA
 
EduardoL
Posts: 82
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Re: Boeing 777X Testing/Production Thread - 2020

Wed Jan 22, 2020 8:47 pm

Are we going to have a live?
 
whodathunkit529
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Re: Boeing 777X Testing/Production Thread - 2020

Wed Jan 22, 2020 9:04 pm

According to FlightRadar, it's taxing again.
 
Opus99
Posts: 801
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Re: Boeing 777X Testing/Production Thread - 2020

Wed Jan 22, 2020 9:13 pm

They’ve just done an RTO with reverse thrusts and all
 
Brandon757
Posts: 137
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Re: Boeing 777X Testing/Production Thread - 2020

Wed Jan 22, 2020 9:16 pm

MileHFL400 wrote:
Can’t find it on Flightradar24

It's on my app.
 
Schmave
Posts: 78
Joined: Sun Mar 09, 2014 1:30 am

Re: Boeing 777X Testing/Production Thread - 2020

Wed Jan 22, 2020 9:16 pm

Opus99 wrote:
They’ve just done an RTO with reverse thrusts and all


Nice. Where are you seeing updates? They actually have the plane on flightradar24 and their data shows that it got up to 115 knots a little while ago. Hopefully the weather cooperates tomorrow!
 
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Polot
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Re: Boeing 777X Testing/Production Thread - 2020

Wed Jan 22, 2020 9:20 pm

Schmave wrote:
Opus99 wrote:
They’ve just done an RTO with reverse thrusts and all


Nice. Where are you seeing updates? They actually have the plane on flightradar24 and their data shows that it got up to 115 knots a little while ago. Hopefully the weather cooperates tomorrow!

I get the impression Opus99 works at Boeing and can see the testing.
 
Opus99
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Re: Boeing 777X Testing/Production Thread - 2020

Wed Jan 22, 2020 10:22 pm

The flight has been scheduled for tomorrow on flight radar. Just search BOE1 and you should the details pop up.
 
iamlucky13
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Re: Boeing 777X Testing/Production Thread - 2020

Wed Jan 22, 2020 11:07 pm

ChrisNH38 wrote:
ER757 wrote:
kriskarch wrote:
Thursday 10 AM PST - exact date and time planned for the first flight according to Dj's Aviation (reliable news) internal source.
Of course might change because of weather or other issues.

Fingers crossed!


Forecast is not promising - Weather Channel says:
Rain. High 53F. Winds SSE at 10 to 20 mph. Chance of rain 90%. Rainfall around a quarter of an inch.


I just hope they don't 'force' this onto a sub-optimal day to score a P.R. win. The P.R. 'win' will happen whether it's tomorrow or another random sunny day.


I assume they have go/no-go criteria for first flights for weather. They won't wait for a sunny day just for a nice picture, but I'm guessing they want visual conditions up to a certain altitude and distance to minimize challenges for the flight crew if anything is off-nominal, and to assist in photo and video recording for engineering purposes.
 
Delta350
Posts: 195
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Re: Boeing 777X Testing/Production Thread - 2020

Thu Jan 23, 2020 12:08 am

What’s the registration of the plane that will take flight?
Plane Spotter from the Magic City and Hartsfield-Jackson...(ATL)
 
Spetsnaz55
Posts: 182
Joined: Wed Feb 20, 2019 2:38 am

Re: Boeing 777X Testing/Production Thread - 2020

Thu Jan 23, 2020 12:31 am

Delta350 wrote:
What’s the registration of the plane that will take flight?



N779XX
 
superbizzy73
Posts: 110
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Re: Boeing 777X Testing/Production Thread - 2020

Thu Jan 23, 2020 12:36 am

Spetsnaz55 wrote:
Delta350 wrote:
What’s the registration of the plane that will take flight?



N779XX


I don't mean to be rude and correct you, but I think it's N779XW...
 
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bikerthai
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Re: Boeing 777X Testing/Production Thread - 2020

Thu Jan 23, 2020 12:59 am

iamlucky13 wrote:
In fact, since F=ma, if the wing loading and geometry, control surface loading, thrust to weight, and balance are all similar, there should naturally be a fair amount similarity in handling.


Don't forget that the differences between the 787 and the original 777 are the composite wings and fuselage. The dynamic reaction of the wing and fuselage will affect your F=MA equation. With the 777X composite wing,the difference will be less. But the metal fuselage will react differently when enpenage loading is involved.

bt
Intelligent seeks knowledge. Enlightened seeks wisdom.
 
Spetsnaz55
Posts: 182
Joined: Wed Feb 20, 2019 2:38 am

Re: Boeing 777X Testing/Production Thread - 2020

Thu Jan 23, 2020 1:00 am

superbizzy73 wrote:
Spetsnaz55 wrote:
Delta350 wrote:
What’s the registration of the plane that will take flight?



N779XX


I don't mean to be rude and correct you, but I think it's N779XW...



Yeah my bad. Xx is flight test 2
 
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ikolkyo
Posts: 2978
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Re: Boeing 777X Testing/Production Thread - 2020

Thu Jan 23, 2020 2:23 am

First Flight has been pushed to Friday. https://twitter.com/jonostrower/status/ ... 76352?s=21
 
musman9853
Posts: 961
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Re: Boeing 777X Testing/Production Thread - 2020

Thu Jan 23, 2020 3:40 am

ikolkyo wrote:
First Flight has been pushed to Friday. https://twitter.com/jonostrower/status/ ... 76352?s=21

Due to weather, not anything mechanical
Welcome to the City Beautiful.
 
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ikolkyo
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Re: Boeing 777X Testing/Production Thread - 2020

Thu Jan 23, 2020 6:23 am

musman9853 wrote:
ikolkyo wrote:
First Flight has been pushed to Friday. https://twitter.com/jonostrower/status/ ... 76352?s=21

Due to weather, not anything mechanical


Never said it was mechanical, tweet gives the reason.
 
musman9853
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Re: Boeing 777X Testing/Production Thread - 2020

Thu Jan 23, 2020 12:33 pm

ikolkyo wrote:
musman9853 wrote:
ikolkyo wrote:
First Flight has been pushed to Friday. https://twitter.com/jonostrower/status/ ... 76352?s=21

Due to weather, not anything mechanical


Never said it was mechanical, tweet gives the reason.

Oh yeah, not a dig at you. Was for other people looking at the thread who might not have opened the link
Welcome to the City Beautiful.
 
Opus99
Posts: 801
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Re: Boeing 777X Testing/Production Thread - 2020

Thu Jan 23, 2020 3:48 pm

I’ve heard Friday 24th Jan. 11:30am PST. I can’t confirm though. So don’t hold onto that too hard but apparently that’s the plan for now
 
TranscendZac
Posts: 138
Joined: Sat Jun 13, 2015 12:50 pm

Re: Boeing 777X Testing/Production Thread - 2020

Thu Jan 23, 2020 4:31 pm

I watched the RTO and that plane looks so long. But because the engines are large it’s hard to appreciate the size of the plane.
Zac
 
musman9853
Posts: 961
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Re: Boeing 777X Testing/Production Thread - 2020

Thu Jan 23, 2020 4:36 pm

TranscendZac wrote:
I watched the RTO and that plane looks so long. But because the engines are large it’s hard to appreciate the size of the plane.


is there a video available?
Welcome to the City Beautiful.
 
BEG2IAH
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Re: Boeing 777X Testing/Production Thread - 2020

Thu Jan 23, 2020 4:50 pm

TranscendZac wrote:
I watched the RTO and that plane looks so long. But because the engines are large it’s hard to appreciate the size of the plane.


I'm so jealous you could watch that live. :)
Flying at the cruising altitude is (mostly) boring. I wish all flights were nothing but endless take offs and landings every 10 minutes or so.
 
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777GE90
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Re: Boeing 777X Testing/Production Thread - 2020

Thu Jan 23, 2020 7:32 pm

What time is the first flight today?
Image
 
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Polot
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Re: Boeing 777X Testing/Production Thread - 2020

Thu Jan 23, 2020 7:33 pm

777GE90 wrote:
What time is the first flight today?

It was pushed to tomorrow due to weather.
 
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777GE90
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Re: Boeing 777X Testing/Production Thread - 2020

Thu Jan 23, 2020 7:49 pm

Polot wrote:
777GE90 wrote:
What time is the first flight today?

It was pushed to tomorrow due to weather.


Oh :(
Image
 
Spetsnaz55
Posts: 182
Joined: Wed Feb 20, 2019 2:38 am

Re: Boeing 777X Testing/Production Thread - 2020

Thu Jan 23, 2020 8:28 pm

Now officially scheduled for tomorrow 10 am
 
iamlucky13
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Re: Boeing 777X Testing/Production Thread - 2020

Thu Jan 23, 2020 8:32 pm

Polot wrote:
777GE90 wrote:
What time is the first flight today?

It was pushed to tomorrow due to weather.


Just to clarify, it is officially confirmed as cancelled for today.

It is not yet confirmed that they will plan again tomorrow versus a later day. The rain should be much lighter tomorrow, but it will be moderately windy.
 
MileHFL400
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Re: Boeing 777X Testing/Production Thread - 2020

Thu Jan 23, 2020 8:42 pm

Can’t wait!!
Thanks and best Regards
AA
 
Spetsnaz55
Posts: 182
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Re: Boeing 777X Testing/Production Thread - 2020

Thu Jan 23, 2020 9:00 pm

iamlucky13 wrote:
Polot wrote:
777GE90 wrote:
What time is the first flight today?

It was pushed to tomorrow due to weather.


Just to clarify, it is officially confirmed as cancelled for today.

It is not yet confirmed that they will plan again tomorrow versus a later day. The rain should be much lighter tomorrow, but it will be moderately windy.



It is officially scheduled by Boeing for jan 24th 10 am local time as of now.. that could change but it is confirmed
 
pugman211
Posts: 524
Joined: Thu Dec 20, 2012 1:55 pm

Re: Boeing 777X Testing/Production Thread - 2020

Thu Jan 23, 2020 10:17 pm

musman9853 wrote:
TranscendZac wrote:
I watched the RTO and that plane looks so long. But because the engines are large it’s hard to appreciate the size of the plane.


is there a video available?



Saw one on Twitter @mattcawby I think
 
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ER757
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Re: Boeing 777X Testing/Production Thread - 2020

Thu Jan 23, 2020 11:22 pm

iamlucky13 wrote:
Polot wrote:
777GE90 wrote:
What time is the first flight today?

It was pushed to tomorrow due to weather.


Just to clarify, it is officially confirmed as cancelled for today.

It is not yet confirmed that they will plan again tomorrow versus a later day. The rain should be much lighter tomorrow, but it will be moderately windy.

Wind could indeed be an issue on Friday - is there a certain threshold above which they'd scrub a test flight or is it more baed on the wind direction (ie; they'd not want to try it in a heavy cross wind)?
Weather Channel says: Overcast with rain showers at times. High 52F. Winds S at 10 to 20 mph. Chance of rain 60%.
 
iamlucky13
Posts: 1185
Joined: Wed Aug 08, 2007 12:35 pm

Re: Boeing 777X Testing/Production Thread - 2020

Thu Jan 23, 2020 11:43 pm

Spetsnaz55 wrote:
iamlucky13 wrote:
Polot wrote:
It was pushed to tomorrow due to weather.


Just to clarify, it is officially confirmed as cancelled for today.

It is not yet confirmed that they will plan again tomorrow versus a later day. The rain should be much lighter tomorrow, but it will be moderately windy.


It is officially scheduled by Boeing for jan 24th 10 am local time as of now.. that could change but it is confirmed


Yep, they apparently decided to proceed with tomorrow shortly after I posted.
 
MileHFL400
Posts: 776
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Re: Boeing 777X Testing/Production Thread - 2020

Fri Jan 24, 2020 4:16 am

Game day boys!
Thanks and best Regards
AA
 
Blasst
Posts: 6
Joined: Thu Sep 26, 2019 1:48 pm

Re: Boeing 777X Testing/Production Thread - 2020

Fri Jan 24, 2020 5:16 am

Looking forward to it!
 
Delta350
Posts: 195
Joined: Sun Oct 06, 2019 12:37 pm

Re: Boeing 777X Testing/Production Thread - 2020

Fri Jan 24, 2020 5:54 am

Is N779XW still scheduled for today?
Plane Spotter from the Magic City and Hartsfield-Jackson...(ATL)
 
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Momo1435
Posts: 1159
Joined: Sat Aug 25, 2012 2:33 pm

Re: Boeing 777X Testing/Production Thread - 2020

Fri Jan 24, 2020 6:04 am

It's still yesterday in Everett ;)

So don't expect to much new info to come out in the next 8 to 10 hours.
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