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9th Apr 2021, 10:04
Replies: 24
Views: 13,154
Posted By infrequentflyer789

Yeah, but that's obviously because they are being...

Yeah, but that's obviously because they are being much more careful and much safer which will be more cost effective in the long run because they won't be crashing aircraft.

Well, in theory they...
31st Mar 2021, 14:27
Replies: 830
Views: 772,085
Posted By infrequentflyer789

Still all-eggs-in-one-basket rather than...

Still all-eggs-in-one-basket rather than redundancy - but multiple would carry weight penalties and temptation of making them less crash-survivable and risking all of them not surviving, tradeoff as...
26th Mar 2021, 20:53
Replies: 830
Views: 772,085
Posted By infrequentflyer789

If it helps, this is my attempt at a...

If it helps, this is my attempt at a not-actually-Photoshop overlay:

https://cimg2.ibsrv.net/gimg/pprune.org-vbulletin/768x711/untitled_7fc0ae7a829c0e2c8bab50d1ac98dc03a0d13471.jpg

For rough...
7th Mar 2021, 19:05
Replies: 278
Views: 180,754
Posted By infrequentflyer789

May be some selection bias there - if the flaws...

May be some selection bias there - if the flaws we don't find are the ones on the inside which then lead to big news failures it doesn't follow that they always (or even mostly) fail that way, it may...
9th Feb 2021, 14:47
Replies: 75
Views: 37,511
Posted By infrequentflyer789

PilotLZ If you actually run the numbers on...

PilotLZ

If you actually run the numbers on that strategy it doesn't look so good though.

Using UK figures (self-interest herby declared) the vulnerable number around 10million, (8.7 over 70 +...
27th Jan 2021, 20:40
Replies: 75
Views: 37,511
Posted By infrequentflyer789

I would say the same... except for the fact that...

I would say the same... except for the fact that there are new. more transmissible, variants around since about Nov/Dec. That and the fact that I have heard similar numbers in warnings from personal...
27th Jan 2021, 19:33
Replies: 64
Views: 36,654
Posted By infrequentflyer789

That isn't what the post was referring to, it is...

That isn't what the post was referring to, it is referring to the manual trim being too weak to overcome aero forces (and therefore "locked" both ways) unless the pilot releases the control column...
Forum: Questions
16th Jan 2021, 19:54
Replies: 4
Views: 1,541
Posted By infrequentflyer789

Consider what you are protecting against. If...

Consider what you are protecting against.

If there are two of you sat in row 0 and one has covid, it's a good bet (in my opinion) both will have covid by end of flight, mask or not. Masks cut down...
9th Jan 2021, 17:50
Replies: 830
Views: 772,085
Posted By infrequentflyer789

I'd also throw in XL 888T if we're considering...

I'd also throw in XL 888T if we're considering multiple sensor failure and flight control law degradation.



In theory, IF the other crew member is not disorientated and intervenes in time and...
8th Jan 2021, 16:04
Replies: 723
Views: 292,899
Posted By infrequentflyer789

Thinking along similar lines, I note also that...

Thinking along similar lines, I note also that the deaths caused by Boeing were not in the US and (vast majority) not US citizens.

BP (via US subcontractors) killed 11 on DeepWater Horizon, fine...
Forum: Jet Blast
21st Dec 2020, 20:40
Replies: 40
Views: 14,097
Posted By infrequentflyer789

From the perspective of a susceptible ("extremely...

From the perspective of a susceptible ("extremely clinically vulnerable") person, it looks a little different, the problem is that if the epidemic is growing, those asymptomatic cases multiply to the...
Forum: Jet Blast
21st Dec 2020, 19:32
Replies: 40
Views: 14,097
Posted By infrequentflyer789

Earliest signs of it in the tests have been...

Earliest signs of it in the tests have been traced back to late Sept, but that doesn't mean it was identified back then, or that it was identified as significant and growing. Preliminary paper only...
20th Dec 2020, 17:33
Replies: 107
Views: 65,282
Posted By infrequentflyer789

Debateable whether or not the LiON batteries were...

Debateable whether or not the LiON batteries were a new or advancing technology, certainly to an outside observer they look like an extant tech that was new to transport aircraft, and was thought at...
2nd Dec 2020, 12:44
Replies: 723
Views: 292,899
Posted By infrequentflyer789

oldchina Boeing was fully caught up by 1995...

oldchina

Boeing was fully caught up by 1995 with, arguably, a better FBW system having learned from Airbus's FBW launch. All they had to do was spread that 777 platform across the size range, as...
1st Dec 2020, 22:48
Replies: 723
Views: 292,899
Posted By infrequentflyer789

Even if we leave aside the "in principle" and the...

Even if we leave aside the "in principle" and the regs, the fundamental problem remains: "no new (sim) training" was part of the design.

Training could not have substituted for MCAS, could not...
18th Nov 2020, 14:29
Replies: 50
Views: 19,690
Posted By infrequentflyer789

BP: So, $25 billion eh? Y'all want me to carry on...

BP: So, $25 billion eh? Y'all want me to carry on holding this beer Mr Boeing?
Forum: Tech Log
29th Oct 2020, 17:13
Replies: 55
Views: 6,398
Posted By infrequentflyer789

Or you could put strap a really big, uncompressed...

Or you could put strap a really big, uncompressed H2 tank on top. Would add massive drag, so speeds would be limited, but on the other hand it would provide lift. Might take longer to get from A to B...
Forum: Tech Log
28th Oct 2020, 17:30
Replies: 35
Views: 13,829
Posted By infrequentflyer789

Agree but for a couple of pedantic nitpicks: On...

Agree but for a couple of pedantic nitpicks: On ET I am pretty sure MCAS only appeared when autopilot disengaged (it was engaged for half a minute), which I think was after flaps up. Also, MCAS...
27th Oct 2020, 19:09
Replies: 90
Views: 19,614
Posted By infrequentflyer789

Well negative test kind of sort of proves that...

Well negative test kind of sort of proves that you are not actually shedding virus right now. If the tests are reasonably accurate they may be good enough to clear you for entering airport and flight...
20th Oct 2020, 08:54
Replies: 129
Views: 38,420
Posted By infrequentflyer789

Sloppy math behind the presentation too...

Sloppy math behind the presentation too apparently. Latest seems to be that one of the authors of the original research objected to the way it's been used/presented, declined to take part in the...
18th Oct 2020, 19:41
Replies: 723
Views: 292,899
Posted By infrequentflyer789

RetiredBA/BY Easy to look him up, quoting...

RetiredBA/BY

Easy to look him up, quoting from the accident report (my bold):The captain, age 57, was hired by Pacific Southwest Airlines on February 25, 1980. Before this, he flew McDonnell...
6th Oct 2020, 08:01
Replies: 49
Views: 38,362
Posted By infrequentflyer789

Or if you are already dying - air ambulance units...

Or if you are already dying - air ambulance units are already testing these things for mountain rescue, see https://www.greatnorthairambulance.co.uk/our-work/news/the-jet-suit-paramedic/

I'm not...
27th Sep 2020, 15:24
Replies: 723
Views: 292,899
Posted By infrequentflyer789

ET final is not out yet (pretty sure),...

ET final is not out yet (pretty sure), preliminary report is available via archive.org if official site not working (I have it and can send it, if I can attach to PMs, but the archive link should...
27th Sep 2020, 13:59
Replies: 129
Views: 38,420
Posted By infrequentflyer789

Crew are being quarantined some places, not...

Crew are being quarantined some places, not optionally. Pilots may get away with it (not as dumb as it sounds - being in prolonged contact with anyone not also on flight deck is/should-be unlikely)....
26th Sep 2020, 14:26
Replies: 723
Views: 292,899
Posted By infrequentflyer789

DaveReidUK Can't recall if it was a third...

DaveReidUK

Can't recall if it was a third AOA vane or a third AOA source, but I think it is the latter, in which case I guess it could be synthetic provided the calculation is independent of the...
Showing results 1 to 25 of 871
 


 
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