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Search: Posts Made By: gums
Showing results 1 to 35 of 41
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Forum: Rumours & News
8th Dec 2018, 01:39
Replies: 2,099
Views: 1,471,936
Posted By gums

Salute! Be careful, CT, about assuming...

Salute!

Be careful, CT, about assuming failure models are straightforward to develop when dealing with software that does more than put nice graphics on your screen or play music. The physical...
Forum: Rumours & News
5th Dec 2018, 18:12
Replies: 2,099
Views: 1,471,936
Posted By gums

Salute! The ratchet effect is worthy of...

Salute!

The ratchet effect is worthy of discussion and consideration by Big B and those here.

The so-called “reset” does not appear to move the stab back to last manually commanded angle, best...
Forum: Rumours & News
4th Dec 2018, 22:44
Replies: 2,099
Views: 1,471,936
Posted By gums

Salute FC! The previous comment had to do...

Salute FC!

The previous comment had to do with the large increase in fuel flow and then the control wheel force disconnect and then the dive.

Looks like crew jammed throttles forward, for a...
Forum: Rumours & News
4th Dec 2018, 16:25
Replies: 2,099
Views: 1,471,936
Posted By gums

Salute FC! and 'bird, and Garage and Retired! ...

Salute FC! and 'bird, and Garage and Retired!

Nice to have discussion with pilots, although many folks on these forums have a lot to contribute. That is, except that "there I was" experience we...
Forum: Rumours & News
4th Dec 2018, 14:45
Replies: 2,099
Views: 1,471,936
Posted By gums

Salute! So I would like to review the...

Salute!

So I would like to review the bidding, huh?
- stick shaker activates as pilot rotates and lifts off. I can see this happening with an abrupt stick input at the normal speed and maybe a...
Forum: Rumours & News
1st Dec 2018, 16:40
Replies: 2,099
Views: 1,471,936
Posted By gums

Salute Mad! Very good point, and I...

Salute Mad!



Very good point, and I flew two types with mechanical warnings. One plane had very benign pre-stall characteristics when leading edge flaps were extended as with normal landing...
Forum: Rumours & News
30th Nov 2018, 22:25
Replies: 2,099
Views: 1,471,936
Posted By gums

Salute Garage This is what i was concerned...

Salute Garage

This is what i was concerned with"


- Why "model" the MCAS unless it is code in one of the boxes? Is that what it is? Just a chunk of code someplace that can command the stab to...
Forum: Rumours & News
30th Nov 2018, 20:51
Replies: 2,099
Views: 1,471,936
Posted By gums

Salute! Well, re: simulators and flight...

Salute!

Well, re: simulators and flight tests


We just had the inadvertant MCAS "test" it was called JT610

Unless the sims have actual hardwired or mux bus connections/interfaces between...
Forum: Rumours & News
30th Nov 2018, 02:23
Replies: 2,099
Views: 1,471,936
Posted By gums

Salute! i don't know about you other pilots,...

Salute!

i don't know about you other pilots, but I would be very interested in a change to my plane that involved some aerodynamic characteristics and then a kludge mechanism that used an existing...
Forum: Rumours & News
25th Nov 2018, 21:57
Replies: 2,099
Views: 1,471,936
Posted By gums

@ Climber This doesn't look like classic...

@ Climber
This doesn't look like classic "runaway trim".
It looks like erratic unwanted trim that I can reverse when I use the switch on the yoke, And then 5 seconds later the damned thing trims...
Forum: Rumours & News
24th Nov 2018, 21:23
Replies: 2,099
Views: 1,471,936
Posted By gums

Salute infrequent! O.K., I get it. No...

Salute infrequent!

O.K., I get it. No offense, and the big beef from pilots is the system doing something that you have not commanded when not in A/P. Fer chrissakes, "manual" should be as much...
Forum: Rumours & News
24th Nov 2018, 20:11
Replies: 2,099
Views: 1,471,936
Posted By gums

Salute! No , infrequent. Many pilots...

Salute!

No , infrequent.

Many pilots are not saying MCAS does not honor pilot trim cmds from the wheel. And further....

The data traces clearly show all the pilot trim cmds and they are...
Forum: Rumours & News
24th Nov 2018, 18:51
Replies: 2,099
Views: 1,471,936
Posted By gums

Salute Dave! Wow. It is obvious Dave has...

Salute Dave!

Wow. It is obvious Dave has more than the FCOM at his disposal. e.g. How many foot-pounds torque do we need to tighten those bolts?

As some suspected, the manual cable drum does...
Forum: Rumours & News
24th Nov 2018, 18:03
Replies: 2,099
Views: 1,471,936
Posted By gums

Salute wiede! Thanks for the explanation, as...

Salute wiede!

Thanks for the explanation, as I was sure someone else had mentioned the wheel-to- cable- to- drum-to-jackscrew implementation versus a pulley-to-stab connection.

Also, I...
Forum: Rumours & News
24th Nov 2018, 16:37
Replies: 2,099
Views: 1,471,936
Posted By gums

Salute! I wish to "revise and extend" my...

Salute!

I wish to "revise and extend" my comment re: machanical failure of some type.

1) I did not count the pilot application of trim, so the real count of trim commands to the jackscrew motor...
Forum: Rumours & News
16th Nov 2018, 22:36
Replies: 2,099
Views: 1,471,936
Posted By gums

Salute! HEY!!!! Slack asked a question, and...

Salute!

HEY!!!! Slack asked a question, and thus far in our thread I cannot find a definitive post from a current "Max" pilot.

Hello? Would love to hear from somebody that has touched the...
Forum: Rumours & News
14th Nov 2018, 20:59
Replies: 2,099
Views: 1,471,936
Posted By gums

Thanks TDracer and others, My poor copy of...

Thanks TDracer and others,

My poor copy of the 737 manual is not all that clear about the mechanical connection of the trim wheel with the stab. Looks to me like it still uses some electrical...
Forum: Rumours & News
14th Nov 2018, 19:27
Replies: 2,099
Views: 1,471,936
Posted By gums

Question rom a "light" pilot. I am having a...

Question rom a "light" pilot.

I am having a hard time with the procedure for runaway trim in the matter under discussion.

The AD and such indicate that manual trim using the switches on the...
Forum: Rumours & News
13th Nov 2018, 17:57
Replies: 2,099
Views: 1,471,936
Posted By gums

Salute! Thanks, Dave, suspected as much...

Salute!

Thanks, Dave, suspected as much about wing chord line. OTOH I wouldn't be using the bird versus fuselage reference for anything but gross maneuvers as we saw in AF447. That plane had the...
Forum: Rumours & News
12th Nov 2018, 02:52
Replies: 2,099
Views: 1,471,936
Posted By gums

Good point, Mongo, about corruption OTOH,...

Good point, Mongo, about corruption

OTOH, the big thing is that the Viper FLCS was gee command in pitch and rate command in roll. So the Aoa inputs were focused upon "limiter" functions and did...
Forum: Rumours & News
11th Nov 2018, 22:27
Replies: 2,099
Views: 1,471,936
Posted By gums

Salute, JP! That's an excellent AoA...

Salute, JP!

That's an excellent AoA indicator you have shown. Has the critical areas of interest clearly shown.

IMHO, there's no need to monitor AoA second to second unless on approach or...
Forum: Rumours & News
11th Nov 2018, 18:42
Replies: 2,099
Views: 1,471,936
Posted By gums

Salute Concours! Yep, if you have a fixed...

Salute Concours!

Yep, if you have a fixed reference in the display, HUD or FD, the AoA is the difference between the "bird" and that reference WRT the longitudianl axis of the jet. Sure, the wing...
Forum: Rumours & News
11th Nov 2018, 17:12
Replies: 2,099
Views: 1,471,936
Posted By gums

AHA! They don't need to install a caution...

AHA!
They don't need to install a caution light, huh?
We can tell when the damned thing is working because the trim wheel moves all by itself!! Well, matbe, 'cause they say it is not part of the...
Forum: Rumours & News
10th Nov 2018, 02:39
Replies: 2,099
Views: 1,471,936
Posted By gums

c'mon, Rana....... tell us how you really feel...

c'mon, Rana....... tell us how you really feel or opine or assert or whatever. We can handle it.

As a pilot, my worst fear is when the plane does something I didn't command or ask it to do. And...
Forum: Rumours & News
9th Nov 2018, 03:45
Replies: 2,099
Views: 1,471,936
Posted By gums

Where y'at, Edmund? Hans can figure that...

Where y'at, Edmund? Hans can figure that greeting out, maybe.

The following is not 100% directed to the Lion crash, but at Edmund's views.

Some great points, and some of us here talked a lot...
Forum: Rumours & News
8th Nov 2018, 19:51
Replies: 2,099
Views: 1,471,936
Posted By gums

@hans No problem, man. I can take it, as my...

@hans

No problem, man. I can take it, as my call sign was assigned to me and I did not choose it.

I opine when not having reams of data, testimony or having been the principal pilot in the...
Forum: Rumours & News
8th Nov 2018, 16:13
Replies: 2,099
Views: 1,471,936
Posted By gums

Salute! Good poop, Hi Tech. And I agree. ...

Salute!

Good poop, Hi Tech. And I agree.



The voting logic described for the 777 is comforting to me, next time I fly in one of those beasts.

My FBW experience involved a quad computer...
Forum: Rumours & News
7th Nov 2018, 21:47
Replies: 2,099
Views: 1,471,936
Posted By gums

Salute! Thank you, Coucourse. That sums...

Salute!

Thank you, Coucourse.

That sums it up.

And we were told there were no cosmic computer crapola connected to the trim and the feel and the.....

Then we find that a slew of sensor...
Forum: Rumours & News
5th Nov 2018, 13:42
Replies: 2,099
Views: 1,471,936
Posted By gums

Salute! I would not be too quick to...

Salute!

I would not be too quick to eliminate a simple problem with the STS or feel system that made another "simple" problem worse( if UAS is a "simple" problem), resulting in loss of control. ...
Forum: Rumours & News
4th Nov 2018, 21:28
Replies: 2,099
Views: 1,471,936
Posted By gums

Salute! Dat's right, Henra. ...

Salute!

Dat's right, Henra.
++++++++++++++++++++

Had to go back to the Alaska Airline crash with the " jackscrew nut. Wanted to see if there had been a squak on a preceding flight. Couldn't...
Forum: Rumours & News
3rd Nov 2018, 21:01
Replies: 2,099
Views: 1,471,936
Posted By gums

Salute! Gotta go with "SLOW" and "A^2. No...

Salute!

Gotta go with "SLOW" and "A^2. No pitot/static covers left on. The problem was there even before the flight before.

Pitot/static problem? Yep.
Trim system function with bad air...
Forum: Rumours & News
2nd Nov 2018, 23:00
Replies: 2,099
Views: 1,471,936
Posted By gums

Salute! With all due respect, you can...

Salute!

With all due respect, you can compare all the gauges and indicators with what you expect they should read and then add what the plane is doing that you do not expect, and then you have to...
Forum: Rumours & News
1st Nov 2018, 23:46
Replies: 2,099
Views: 1,471,936
Posted By gums

Salute! Guess we are heading toward a...

Salute!

Guess we are heading toward a sub-thread about the "STS" and all the concerns about how much automation you can handle and how to revert to manual flying unless in an Airbus.

And then...
Forum: Rumours & News
31st Oct 2018, 22:41
Replies: 2,099
Views: 1,471,936
Posted By gums

Salute! Thanks, 100% Sometimes the...

Salute!

Thanks, 100%

Sometimes the fault tree analysis ignores the possibility that a 'single point failure' in one system has a branch to another system. In my theory, inputs to the trim...
Forum: Rumours & News
31st Oct 2018, 19:05
Replies: 2,099
Views: 1,471,936
Posted By gums

Salute! Huge Thanks, Dave Reid. and @...

Salute!

Huge Thanks, Dave Reid. and @ Bloggs.

That is exactly where my analysis was headed. I have been on numerous accident boards, mostly flight control suspicions until the final...
Showing results 1 to 35 of 41
 
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