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Search: Posts Made By: ktcanuck
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Forum: Rumours & News
31st Mar 2021, 10:55
Replies: 871
Views: 964,152
Posted By ktcanuck

More expensive , perhaps, but not impractical.

More expensive , perhaps, but not impractical.
Forum: Aviation History and Nostalgia
8th Feb 2021, 00:35
Replies: 278
Views: 58,970
Posted By ktcanuck

4 Darts on a Viscount on the ground but how can...

4 Darts on a Viscount on the ground but how can you beat this: Music
And a Dart for surety:
Sonata
Forum: Accidents and Close Calls
28th Mar 2020, 20:11
Replies: 349
Views: 445,784
Posted By ktcanuck

If you read the previous posts, more friendly and...

If you read the previous posts, more friendly and helpful members answered his question obviating the need for your reply.
Forum: Rumours & News
15th Feb 2020, 11:34
Replies: 378
Views: 193,839
Posted By ktcanuck

IIRC, not permitted. You don't leave non...

IIRC, not permitted. You don't leave non functional wiring in place.
Forum: Rumours & News
4th Jan 2020, 14:56
Replies: 4
Views: 5,713
Posted By ktcanuck

Leonardo v. Boeing

There's an interesting dispute going on between Leonardo and Boeing. Leonardo has been supplying 767 slats for many years without incident but recently has had them rejected and repaired by Boeing at...
Forum: Rumours & News
24th Dec 2019, 01:42
Replies: 288
Views: 357,741
Posted By ktcanuck

If you are saying that MCAS was a brute force way...

If you are saying that MCAS was a brute force way of stopping the Max getting into a [secret] corner of the envelope that was nasty but ended up, through some failure, putting the poor souls into a...
Forum: Rumours & News
14th Dec 2019, 11:39
Replies: 4,656
Views: 4,787,755
Posted By ktcanuck

That's an interesting flight compared to the last...

That's an interesting flight compared to the last few after 3 weeks on ground. 35kft dives and stalls followed by similar at 15kft. It may, of course, have nothing to do with the current grounding.
Forum: Rumours & News
24th Nov 2019, 11:44
Replies: 4,656
Views: 4,787,755
Posted By ktcanuck

MAX test flights...

MAX test flights (https://flightaware.com/live/flight/BOE1/history/20191122/1830Z/KBFI/KBFI) Someone is doing an awful lot of checking out over the last two days.
Forum: Rumours & News
10th Nov 2019, 22:25
Replies: 4,656
Views: 4,787,755
Posted By ktcanuck

I don't think it matters whether FCC(left) and...

I don't think it matters whether FCC(left) and your FCC(right) friend are 8086, 286, 386 or i7 core blah, when you, as one FCC, are called upon to figure out why your data differs from your only...
Forum: Rumours & News
9th Nov 2019, 12:17
Replies: 4,656
Views: 4,787,755
Posted By ktcanuck

Sounds like the MCAS solution might be all but...

Sounds like the MCAS solution might be all but there but they are now struggling with a much harder one to solve. I was wondering why the trip to Cedar Rapids when Boeing wrote the software. Looks...
Forum: Rumours & News
7th Nov 2019, 22:19
Replies: 4,656
Views: 4,787,755
Posted By ktcanuck

Watching the return to BFI "live". Fascinating...

Watching the return to BFI "live". Fascinating flight profile. If only we knew what cases they were running, especially that last low speed one.
Forum: Rumours & News
7th Nov 2019, 16:49
Replies: 4,656
Views: 4,787,755
Posted By ktcanuck

Quite a change in heading on that last one too!

Quite a change in heading on that last one too!
Forum: Rumours & News
4th Nov 2019, 11:37
Replies: 4,656
Views: 4,787,755
Posted By ktcanuck

No one has yet mentioned that this information...

No one has yet mentioned that this information must already be available through the wind tunnel tests and CFD that Boeing must have done....surely?
Forum: Rumours & News
31st Oct 2019, 11:24
Replies: 4,656
Views: 4,787,755
Posted By ktcanuck

Since Lion Air I can't get out of my mind how...

Since Lion Air I can't get out of my mind how ludicrous it seems to use movement of the horizontal stab to correct control force non-linearity when there are much easier, more conventional and safer...
Forum: Rumours & News
30th Oct 2019, 11:32
Replies: 4,656
Views: 4,787,755
Posted By ktcanuck

Agree entirely but I'll take it a step further. ...

Agree entirely but I'll take it a step further. Who, in their right mind, uses movement of the horizontal stab to correct for stick force non-linearity?
Forum: Rumours & News
20th Oct 2019, 11:33
Replies: 4,656
Views: 4,787,755
Posted By ktcanuck

I believe MCAS is purely software which,...

I believe MCAS is purely software which, regrettably, would not be a maintenance item save for update procedures would it?
Forum: Rumours & News
15th Jun 2019, 21:21
Replies: 4,656
Views: 4,787,755
Posted By ktcanuck

Finally...

Finally...
Forum: Rumours & News
2nd Jun 2019, 15:01
Replies: 4,656
Views: 4,787,755
Posted By ktcanuck

If the NYT article is accurate Boeing found the...

If the NYT article is accurate Boeing found the lower speed stall characteristics of the Max to be unacceptable and prompted them to increase the effect of MCAS by 800% and to initiate the effect at...
Forum: Rumours & News
30th Apr 2019, 23:45
Replies: 5,109
Views: 13,120,959
Posted By ktcanuck

Stick force reduces as AoA increases under...

Stick force reduces as AoA increases under particular flight conditions on, and only on, the 737 MAX. This is not certifiable under FAA rules.

I don't know who originally stated the first part...
Forum: Rumours & News
4th Apr 2019, 23:03
Replies: 5,109
Views: 13,120,959
Posted By ktcanuck

When all is said and done, the one common...

When all is said and done, the one common indicator is the AoA reading on the Cap's side. Debate everything else till your heart's content.

Why did it flip to ~75deg at 150kn? More...
Forum: Rumours & News
30th Mar 2019, 19:29
Replies: 5,109
Views: 13,120,959
Posted By ktcanuck

I think "MCAS Disabled" would be more useful than...

I think "MCAS Disabled" would be more useful than either of those two. After all, that's what "AOA disagree" will mean.
Forum: Rumours & News
29th Mar 2019, 20:10
Replies: 908
Views: 1,094,539
Posted By ktcanuck

[QUOTE=GordonR_Cape;10433552]ktcanuck ...

[QUOTE=GordonR_Cape;10433552]ktcanuck



That question was comprehensively answered a few pages back in this thread. The elevator feel computer does not have enough hydraulic power to generate...
Forum: Rumours & News
29th Mar 2019, 14:00
Replies: 908
Views: 1,094,539
Posted By ktcanuck

The 737Max has an uncertifiable characteristic...

The 737Max has an uncertifiable characteristic whereby elevator control force decreases as AoA increases towards stall. It is stated that this is the sole reason for MCAS.

The 737 has an Elevator...
Forum: Rumours & News
26th Mar 2019, 23:37
Replies: 5,109
Views: 13,120,959
Posted By ktcanuck

Your point is not lost. But I am drawn to the...

Your point is not lost. But I am drawn to the testimony given by an American (nationality, not airline) Max crew who, on their first flight, found that they did not understand the meaning of certain...
Forum: Rumours & News
20th Mar 2019, 23:10
Replies: 908
Views: 1,094,539
Posted By ktcanuck

Denti, that's pretty much what I had in mind. In...

Denti, that's pretty much what I had in mind. In my day we used a system called "Q feel" (AV-8) to provide some artificial force feel to the stick and it was fail passive.

As to FCEng's comment...
Forum: Rumours & News
20th Mar 2019, 16:44
Replies: 908
Views: 1,094,539
Posted By ktcanuck

I keep trying to ask this question in different...

I keep trying to ask this question in different ways but the mods don't publish so I'll try another way:

I see it stated that MCAS is only there because the size and forward placement of the...
Forum: Rumours & News
5th Mar 2019, 15:09
Replies: 12
Views: 7,377
Posted By ktcanuck

Have things changed? As an engineer at Hawkers...

Have things changed? As an engineer at Hawkers in Kingston/Dunsfold all techs had a board which held any and all tools that could be used, each tool being marked with a white outline. No tool was...
Forum: Rumours & News
18th Apr 2018, 15:07
Replies: 466
Views: 526,628
Posted By ktcanuck

Eddie current and dye static testing can detect...

Eddie current and dye static testing can detect cracks. Acoustic emission can detect crack growth (not very practical on a fan blade!).
Showing results 1 to 28 of 28


 
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