PPRuNe Forums - Search Results
PPRuNe Forums

Go Back  PPRuNe Forums > Search Forums
Reload this Page >

Search Results

Register
FAQ
Calendar
Wikiposts
Today's Posts
Search
Vendor Directory
 
Page 1 of 17
1
2
3
4
5
11
Last »
Search: Posts Made By: Speed of Sound
Showing results 1 to 35 of 591
Search took 0.03 seconds.
Forum: Rumours & News
23rd Feb 2021, 13:44
Replies: 288
Views: 262,342
Posted By Speed of Sound

billovitch Not exactly the same thing but in...

billovitch

Not exactly the same thing but in Formula 1 the F.I.A. mandated a similar system to stop wheels coming off the cars in a crash. This system uses three separate Zylon tethers each bonded...
Forum: Rumours & News
6th Nov 2019, 19:52
Replies: 86
Views: 73,287
Posted By Speed of Sound

These people are not walking along at sea-level...

These people are not walking along at sea-level (or whatever the cabin altitude is at the time of the depressurisation) one second, and the next they are at 39,000 feet. They spend many weeks and...
Forum: Rumours & News
14th Oct 2019, 17:12
Replies: 60
Views: 50,425
Posted By Speed of Sound

Why? If the AoA vane operation was checked...

Why?

If the AoA vane operation was checked prior to take off and no bird strikes were encountered below the first few thousand feet, the chance of a spontaneous AoA/computer hardware failure...
Forum: Rumours & News
14th Oct 2019, 12:31
Replies: 60
Views: 50,425
Posted By Speed of Sound

In theory, airlines could sue Boeing for losses...

In theory, airlines could sue Boeing for losses incurred with a high likelihood of success in the courts. However as some of these airlines are major customers of Boeing Aircraft and have been for...
Forum: Rumours & News
13th Oct 2019, 13:28
Replies: 60
Views: 50,425
Posted By Speed of Sound

Airlines moving their aircraft from cold or humid...

Airlines moving their aircraft from cold or humid areas to dryer warmer climates doesn’t sound like airlines preparing to return the aircraft to service any time soon.

I wonder if the extra...
Forum: Rumours & News
10th Oct 2019, 22:38
Replies: 4,656
Views: 4,786,693
Posted By Speed of Sound

When it starts to affect the forecast...

When it starts to affect the forecast profitability of whatever product is being developed.
Forum: Rumours & News
10th Oct 2019, 21:28
Replies: 75
Views: 46,478
Posted By Speed of Sound

Possibly because BA would like to use the...

Possibly because BA would like to use the aircraft at some point?
Forum: Rumours & News
9th Oct 2019, 16:13
Replies: 4,656
Views: 4,786,693
Posted By Speed of Sound

Given that this will to be the most picked over...

Given that this will to be the most picked over fix in aviation history, where the regulator will be under as much scrutiny as the manufacturer, both Boeing and the FAA would be very foolish to try...
Forum: Rumours & News
9th Oct 2019, 15:30
Replies: 31
Views: 16,804
Posted By Speed of Sound

Unfortunately the kind of people who abuse these...

Unfortunately the kind of people who abuse these systems also tend to be the dumbest kind of people as well. In the UK a recent problem is Brexit supporters sending rape and death threats to MPs....
Forum: Rumours & News
9th Oct 2019, 11:43
Replies: 4,656
Views: 4,786,693
Posted By Speed of Sound

And EASA too, as I assume that the FAA are...

And EASA too, as I assume that the FAA are sharing a lot of quite detailed information about the various solutions.
Forum: Tech Log
3rd Oct 2019, 15:02
Replies: 363
Views: 560,251
Posted By Speed of Sound

A disgraceful episode where Boeing QA inspectors...

A disgraceful episode where Boeing QA inspectors responsible for acquisition of those 737 parts were told that they were rejecting too many sub standard parts from Ducommon. When they asked how they...
Forum: Rumours & News
3rd Oct 2019, 09:32
Replies: 21
Views: 14,250
Posted By Speed of Sound

A really smart move with Boeing relying on...

A really smart move with Boeing relying on cooperation from EASA to get the MAX flying again!
Forum: Rumours & News
1st Oct 2019, 21:28
Replies: 4,656
Views: 4,786,693
Posted By Speed of Sound

The pilots’ abilities in a situation like ET and...

The pilots’ abilities in a situation like ET and Li need to be broken down into two distinct parts.

The first is their knowledge, understanding of, and ability to successfully carry out to the...
Forum: Rumours & News
1st Oct 2019, 15:36
Replies: 4,656
Views: 4,786,693
Posted By Speed of Sound

With hindsight and looking at how light the...

With hindsight and looking at how light the regulatory hand of the FAA was on this whole process, they may have been able to slide this through the certification process without raising it as much of...
Forum: Tech Log
1st Oct 2019, 14:20
Replies: 363
Views: 560,251
Posted By Speed of Sound

Oh yes, the famous fake Dreamliner launch in...

Oh yes, the famous fake Dreamliner launch in 2007! :O
Forum: Tech Log
1st Oct 2019, 10:38
Replies: 363
Views: 560,251
Posted By Speed of Sound

Floorboards? I know that the 737 is an old...

Floorboards?

I know that the 737 is an old design but had no idea that Boeing was still using wood! :eek:
Forum: Rumours & News
1st Oct 2019, 10:29
Replies: 4,656
Views: 4,786,693
Posted By Speed of Sound

I can’t locate the original press statement but...

I can’t locate the original press statement but this is almost word for word what Boeing said in July.

So what has been happening during the past two months?
Forum: Rumours & News
30th Sep 2019, 23:37
Replies: 4,656
Views: 4,786,693
Posted By Speed of Sound

Very true, however if the various authorities...

Very true, however if the various authorities take a belt and braces approach to recertification of the MAX, Boeing may have to both improve training and make improvements to the manual trim system...
Forum: Rumours & News
30th Sep 2019, 22:59
Replies: 4,656
Views: 4,786,693
Posted By Speed of Sound

The fact that some crews are struggling to turn...

The fact that some crews are struggling to turn the trim wheel in some situations can be classed as partly a lube problem because some of the effort that they are putting into turning the jackscrew...
Forum: Rumours & News
30th Sep 2019, 21:58
Replies: 4,656
Views: 4,786,693
Posted By Speed of Sound

It’s been a while now but around that time, I...

It’s been a while now but around that time, I remember a number of crews (maybe Qantas, maybe not) flew the QF32 scenario in the sim and less than half of those crews saved the plane.
Forum: Rumours & News
30th Sep 2019, 18:06
Replies: 4,656
Views: 4,786,693
Posted By Speed of Sound

QF32 landed safely due to some excellent fault...

QF32 landed safely due to some excellent fault analysis, incredible workflow management, cool heads, and a lot of luck

An aircraft should be capable of being operated safely by any crew trained to...
Forum: Rumours & News
30th Sep 2019, 16:59
Replies: 39
Views: 43,460
Posted By Speed of Sound

“Japanese investigators of Korean Air Boeing...

“Japanese investigators of Korean Air Boeing 777-300 that suffered serious damage to its rear wheel axle of the main landing gear conclude that corrosion contributed to failure.”
Forum: Rumours & News
30th Sep 2019, 16:32
Replies: 4,656
Views: 4,786,693
Posted By Speed of Sound

So did QF32 but Rolls Royce still investigated...

So did QF32 but Rolls Royce still investigated the reason for the incident and changed out the offending oil pipe.
Forum: Rumours & News
30th Sep 2019, 14:20
Replies: 4,656
Views: 4,786,693
Posted By Speed of Sound

Agreed, and I suspect that runaway trim will...

Agreed, and I suspect that runaway trim will feature more in future training and sim scenarios. However, now that the Pandora’s box of trim wheel operation has been opened, it will have to be...
Forum: Rumours & News
30th Sep 2019, 13:46
Replies: 4,656
Views: 4,786,693
Posted By Speed of Sound

The diameter of the trim wheel. Only an inch...

The diameter of the trim wheel.

Only an inch I know, but this reduces the turning moment by over 10%. This seems to have reduced the gearing to an extent where something which was ‘difficult but...
Forum: Rumours & News
30th Sep 2019, 12:53
Replies: 39
Views: 43,460
Posted By Speed of Sound

2.9g oooooooooooooooooooo

2.9g oooooooooooooooooooo
Forum: Rumours & News
30th Sep 2019, 09:40
Replies: 4,656
Views: 4,786,693
Posted By Speed of Sound

So what procedure is in place to aid a pilot...

So what procedure is in place to aid a pilot manually trimming a seriously out of trim stabiliser?

EASA among others seem to think that it is still a problem. Saying that a pilot shouldn’t allow...
Forum: Rumours & News
29th Sep 2019, 23:08
Replies: 4,656
Views: 4,786,693
Posted By Speed of Sound

If you look at my initial post, I was replying to...

If you look at my initial post, I was replying to someone who wanted to know ‘if it was friction’ which was causing the difficulties in moving the trim wheel under higher aerodynamic loads. Yes, I...
Forum: Rumours & News
29th Sep 2019, 21:28
Replies: 4,656
Views: 4,786,693
Posted By Speed of Sound

it would indeed, but would require less torque to...

it would indeed, but would require less torque to move the mechanism as all that torque would be used to move the mechanism rather than some of it being lost in opposing frictional forces.
Forum: Rumours & News
29th Sep 2019, 20:14
Replies: 4,656
Views: 4,786,693
Posted By Speed of Sound

Yes, the pivot points share the load, but not all...

Yes, the pivot points share the load, but not all of it.

At the point where the clutch connecting the screw jack to the electric trim motor starts to slip or the manual trim wheels can no longer...
Forum: Rumours & News
29th Sep 2019, 18:59
Replies: 4,656
Views: 4,786,693
Posted By Speed of Sound

Thanks for that. The ball nut seems to be...

Thanks for that. The ball nut seems to be transferring the load from the jack screw threads to the attachment point of the ‘ball nut’.

Watching it made me wonder whether there may be a lubrication...
Forum: Rumours & News
29th Sep 2019, 17:16
Replies: 4,656
Views: 4,786,693
Posted By Speed of Sound

Clamp a hex nut tightly in a vice. Thread a...

Clamp a hex nut tightly in a vice.

Thread a six inch long bolt through the nut and keep turning. Now apply a side load to the bolt and repeat the exercise. The more side pressure you apply the...
Forum: Rumours & News
29th Sep 2019, 14:41
Replies: 4,656
Views: 4,786,693
Posted By Speed of Sound

A simple question which I’m not sure has been...

A simple question which I’m not sure has been discussed.

If the original amount of MCAS authority was required for certification, then how can the revised software which gives MCAS a reduced...
Forum: Tech Log
29th Sep 2019, 14:27
Replies: 363
Views: 560,251
Posted By Speed of Sound

The fact that this has been discovered in...

The fact that this has been discovered in relatively low cycle aircraft suggests to me that this is a manufacturing/materials issue rather than time-dependant metal fatigue.

Also, only certain...
Forum: Rumours & News
28th Sep 2019, 17:18
Replies: 4,656
Views: 4,786,693
Posted By Speed of Sound

“It’s too stiff Captain, it won’t turn!”

“It’s too stiff Captain, it won’t turn!”
Showing results 1 to 35 of 591
 
Page 1 of 17
1
2
3
4
5
11
Last »


 
Forum Jump

Contact Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service

Copyright © 2024 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.