captdoug56
Topic Author
Posts: 2
Joined: Thu Dec 27, 2018 6:32 pm

What is the max gear extension speed on a 787-8 ?

Thu Aug 15, 2019 12:38 am

Trying to obtain some V-Speed Ref's for a 787- 8
(flight sim) and can't seem to find
Vfe
Vlo
Vso
Vs

If anyone knows or can point me to a reference site that has this data that would be a huge help !

Thanks

CAVU Doug
Last edited by SQ22 on Wed Aug 21, 2019 3:52 pm, edited 1 time in total.
Reason: Typo fixed
 
Lrockeagle
Posts: 143
Joined: Wed Oct 06, 2004 1:40 am

Re: What is the max gear extension speed on a787-8 ?

Thu Aug 15, 2019 2:34 am

Don’t know any offhand but reddit is a pretty good resource. r/Flying
Lrockeagle
14 years ago

I got $20 says AA takes their 787's with GE powerplants. Just a hunch. Any takers?
 
BoeingGuy
Posts: 6314
Joined: Fri Dec 10, 2010 6:01 pm

Re: What is the max gear extension speed on a787-8 ?

Wed Aug 21, 2019 4:32 am

For most current Boeing models including the 787-8, 270 knots is the maximum gear extension speed; 260 knots is the maximum Flaps 1 speed. 240 knots is the maximum Flaps 5 speed. Down to 180 knots is the maximum Flaps 30 speed.

I don’t know as much about the 737 and 747, but what I stated is correct for the 787, 777X, and KC-46.
 
BravoOne
Posts: 3588
Joined: Fri Apr 12, 2013 2:27 pm

Re: What is the max gear extension speed on a787-8 ?

Wed Aug 21, 2019 1:25 pm

270Kts / .82 extend or retract.
 
BravoOne
Posts: 3588
Joined: Fri Apr 12, 2013 2:27 pm

Re: What is the max gear extension speed on a787-8 ?

Wed Aug 21, 2019 1:26 pm

BravoOne wrote:
270Kts / .82 extend or retract.
It should be placarded right next the the gear extension / retract handle.
 
stratclub
Posts: 1342
Joined: Fri Jan 05, 2018 10:38 pm

Re: What is the max gear extension speed on a 787-8 ?

Wed Aug 21, 2019 8:44 pm

I would have to guess that it would be a speed that would not rip the main gear doors off when they opened during gear extension. :biggrin:
 
spudsmac
Posts: 283
Joined: Tue Feb 19, 2008 10:36 pm

Re: What is the max gear extension speed on a 787-8 ?

Wed Aug 21, 2019 10:15 pm

captdoug56 wrote:
Trying to obtain some V-Speed Ref's for a 787- 8
(flight sim) and can't seem to find
Vfe - They are all 5kts faster than -400 speeds
1 285
5 265
10 245
20 235
25 210
30 185

These would all be based on weights.
Vlo don't think it's published
Vso don't think it's published
Vs don't think it's published

If anyone knows or can point me to a reference site that has this data that would be a huge help !

Thanks

CAVU Doug


I'm pretty sure the gear speeds are the same.

https://www.worthpoint.com/worthopedia/ ... 1895340345
 
BoeingGuy
Posts: 6314
Joined: Fri Dec 10, 2010 6:01 pm

Re: What is the max gear extension speed on a 787-8 ?

Thu Aug 22, 2019 5:48 am

spudsmac wrote:
captdoug56 wrote:
Trying to obtain some V-Speed Ref's for a 787- 8
(flight sim) and can't seem to find
Vfe - They are all 5kts faster than -400 speeds
1 285
5 265
10 245
20 235
25 210
30 185

These would all be based on weights.
Vlo don't think it's published
Vso don't think it's published
Vs don't think it's published

If anyone knows or can point me to a reference site that has this data that would be a huge help !

Thanks

CAVU Doug


I'm pretty sure the gear speeds are the same.

https://www.worthpoint.com/worthopedia/ ... 1895340345


Off the top of my head, I’m pretty sure Vfe are as follows for the 787-8:

1 - 260
5 - 240
15 - 220
20 - 215
25 - 195
30 - 180
 
spudsmac
Posts: 283
Joined: Tue Feb 19, 2008 10:36 pm

Re: What is the max gear extension speed on a 787-8 ?

Thu Aug 22, 2019 5:04 pm

Ah shoot. I misread as 747-8. My fault.

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