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Search: Posts Made By: gums
Showing results 1 to 35 of 36
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Forum: Tech Log
26th May 2011, 14:44
Replies: 2,546
Views: 937,616
Posted By gums

Last dance and philosophy

Salute all!

A huge attaboy for the post by Sv concerning philosophy.

This shall be my last post on the matter until we all dissect the AF/BEA/Airbus folks' interpretation of the accident. I...
Forum: Tech Log
25th May 2011, 20:38
Replies: 2,546
Views: 937,616
Posted By gums

High altitude jets

Everything you wanted to know about the Blackbirds is here:

SR-71 Online - The Blackbird Archive (http://www.sr-71.org/blackbird/)

And it wasn't FBW.

The other plane was/is the Boeing B-52.
Forum: Tech Log
25th May 2011, 19:38
Replies: 2,546
Views: 937,616
Posted By gums

BOAC's thread about cockpits

Thanks for the link, BOAC. I had seen the thing two years ago when looking here for rumors and facts and opinions from "professional" pilots concerning the AF crash. I didn't post here then, but...
Forum: Tech Log
24th May 2011, 20:03
Replies: 2,546
Views: 937,616
Posted By gums

Questions for the 'bus drivers

Was wondering about training flights.

- Do you 'bus drivers ever get to see "an approach to stall" during checkout?

- How many of you have ever "felt" the burble or buzz or wing rock or other...
Forum: Tech Log
24th May 2011, 15:41
Replies: 2,546
Views: 937,616
Posted By gums

Bad air data? we've been there, done that...

Salute!

The B-2 crash was another topic that got my attention like the AF447 one. Guess I am a FBW freak. STOP ME before I read/post/mull/wonder again!!!!

Most of the links do not work now,...
Forum: Tech Log
24th May 2011, 04:02
Replies: 2,546
Views: 937,616
Posted By gums

Ada? Huh?

Salute!

From Wiki:



Not that Wiki is the end all authority, but I saw the reluctance of our software folks to embrace Ada back in late 80's and early 90's when developing systems for several...
Forum: Tech Log
23rd May 2011, 22:44
Replies: 2,546
Views: 937,616
Posted By gums

the "rest" of the story - F-16 FBW mods

Salute!

To avoid further dispersions as to why a few military would dare to tread amongst this august group of heavy pilots and experts, I'll conclude the story about our development of the first...
Forum: Tech Log
22nd May 2011, 18:08
Replies: 2,546
Views: 937,616
Posted By gums

Stabilators and flaperons and rudder

Salute!

Bear is right about the Viper stabilators - they moved independently and were used for both pitch and roll. Funny, and most folks don't realize this, but the flaperons and stabilators...
Forum: Tech Log
22nd May 2011, 14:25
Replies: 2,546
Views: 937,616
Posted By gums

Stick force per gee

Salute!

Sorry, Flex, but the old mil-specs required approx 4 pounds per gee. The Viper approximates that very well due to the computers. Older jets had springs, dashpots, bobweights and...
Forum: Tech Log
22nd May 2011, 12:23
Replies: 2,546
Views: 937,616
Posted By gums

Control breakout forces

Salute!

Good point John the Moderator.

I'll try to talk with some of those guys in the demo program, but I can't help thinking that GD had the 1 pound breakout force.

The "stiff" stick in...
Forum: Tech Log
22nd May 2011, 01:46
Replies: 2,546
Views: 937,616
Posted By gums

Tactile feedback and "old" hands

I gotta go with Smilin' Ed.

Trouble with a small stick that moves 30 degrees or so off-axis is you really can't tell instinctively if you're commanding half or a third or three quarters or.... ...
Forum: Tech Log
20th May 2011, 21:36
Replies: 2,546
Views: 937,616
Posted By gums

Hornet aero

Salute1

Well, Dozy, the Hornet and her prototype - the YF-17, were "conventional" in terms of static stability. Still are.

The YF-16 could be flown with a "conventional" forward c.g., but...
Forum: Tech Log
20th May 2011, 20:41
Replies: 2,546
Views: 937,616
Posted By gums

Flight control laws

Salute!

Thank you Garage, thank you, thank you, thank you!!!

The "Direct Law" in the 'bus is not much different than the basic Viper control laws. Closest relation is on the ground and with...
Forum: Tech Log
20th May 2011, 02:47
Replies: 2,546
Views: 937,616
Posted By gums

Defense of FBW

Salute!

First thing I want to make clear - if anyone here has flown a fully fly-by-wire plane with zero mechanical backup before 1979, then speak up. Even the Airbus has a mechanical linkage with...
Forum: Tech Log
19th May 2011, 01:00
Replies: 2,546
Views: 937,616
Posted By gums

What Turbine said

Salute!

Amen, Turbine.

To our Brazilian friend, I echo Turbine's feelings and goals, as all of us here do.
Forum: Tech Log
17th May 2011, 18:52
Replies: 2,546
Views: 937,616
Posted By gums

Cause, contributing cause(s), findings, et al

Salute!

I have to lean with Wolf, Bear and others here.....

- We shall finally see that no single design deficiency or crew action had the end result. As with most losses, it will be a chain...
Forum: Tech Log
15th May 2011, 23:30
Replies: 2,546
Views: 937,616
Posted By gums

Salute! yeah grizz. I go with your...

Salute!

yeah grizz. I go with your definition.

We had two great CFIT crashes in my wing. One was fully documented on the guy's radar tape.

- descending to 1000 ft AGL from 20,000 ft. No...
Forum: Tech Log
14th May 2011, 21:50
Replies: 2,546
Views: 937,616
Posted By gums

Erroneous air data

Salute!

PLZ look at the B-2 crash at Guam

No icing.

Tubes with moisture and actual water - yep!

Loss of control at WoW? Yep.
Forum: Tech Log
14th May 2011, 19:41
Replies: 2,546
Views: 937,616
Posted By gums

Auto throttle authority

Salute!

Well, Chris, I pray that I am close to the scenario, and that we let the crew, et al rest in peace after their efforts to get the plane under control. We shall see.

The Hornet has...
Forum: Tech Log
14th May 2011, 13:30
Replies: 2,546
Views: 937,616
Posted By gums

Salute! Nuts is onto the original reason I...

Salute!

Nuts is onto the original reason I joined the fray here two years ago.

Having flown the first "operational" full FBW system, I was a non-volunteer test pilot, as were all of us in those...
Forum: Tech Log
13th May 2011, 22:06
Replies: 2,546
Views: 937,616
Posted By gums

Salute! Thanks for the nice words, PJ. ...

Salute!

Thanks for the nice words, PJ.

All should know that the Viper was the first military jet I know of that had data recorders. Some were cosmic, like those in the commercial jets - about...
Forum: Tech Log
12th May 2011, 01:17
Replies: 2,546
Views: 937,616
Posted By gums

Center of gravity and control effectiveness

Salute!

Well, Harry, I joined the forums soon as I could when the plane was lost. Long time FBW pilot, and I was "interested".

The planes with the relaxed static stability can easily tread...
Forum: Tech Log
11th May 2011, 21:45
Replies: 2,546
Views: 937,616
Posted By gums

Pulses and chips and...

Salute!

Murphy is getting to where I was intending.

The pulse length of approx 10 msec means that we have plenty of time chips ( the bits that Murphy describes) to encode the pulse. Same as...
Forum: Tech Log
11th May 2011, 02:52
Replies: 2,546
Views: 937,616
Posted By gums

Deep stalls and T-tails

Salute!

I take issue about the definition used by takata:



As we have seen in my first post regarding this:

http://www.pprune.org/6432295-post772.html
Forum: Tech Log
10th May 2011, 19:22
Replies: 2,546
Views: 937,616
Posted By gums

Salute! I wish to make it clear that I do...

Salute!

I wish to make it clear that I do not believe the plane was in a deep stall all the way down from cruise altitude. I do believe it was in a stall or deep stall at impact.

- Proximity...
Forum: Tech Log
9th May 2011, 19:40
Replies: 2,546
Views: 937,616
Posted By gums

Salute! First the beacons: - if they...

Salute!

First the beacons:

- if they are using pulse code modulation or a variation of the spread spectrum technology, it's very easy to find the thing even with s/n approaching 1:1 Witness...
Forum: Tech Log
8th May 2011, 16:25
Replies: 2,546
Views: 937,616
Posted By gums

Salute! The wreckage data ( distribution) we...

Salute!

The wreckage data ( distribution) we already have has a wealth of data that will be combined with the recorded parameters, IMHO. So we should get a very good replay of impact.

The big...
Forum: Tech Log
7th May 2011, 02:36
Replies: 2,546
Views: 937,616
Posted By gums

Point taken

Salute!

Points taken, slats.

This forum has the widest depth and breadth of expertise in many areas that I have ever seen. Hats off.

I'll go back to the lurk mode for now.
Forum: Tech Log
6th May 2011, 23:49
Replies: 2,546
Views: 937,616
Posted By gums

CSI Brazil or AF 447 recovery?

Salute!

TNX for nice words, Chris. And where is PJ?

I get into this stuff because I still recruit for good pilots in USAF. I need to stay current with the new technology and such. I also...
Forum: Tech Log
6th May 2011, 14:35
Replies: 2,546
Views: 937,616
Posted By gums

Salute! TNX for the support, Chris, and I...

Salute!

TNX for the support, Chris, and I was "buying time", as you suggest, until we see the data resulting from the successful search.

Perhaps we wait a bit, OTOH, the new thread we shall...
Forum: Tech Log
6th May 2011, 03:45
Replies: 2,546
Views: 937,616
Posted By gums

Back to impact

Salute!

Well, after discussing this with another member here, I shall make another post that deals with the impact.

The French prolly have it right about a low forward velocity, fairly level...
Forum: Tech Log
27th Apr 2011, 20:06
Replies: 2,546
Views: 937,616
Posted By gums

Salute! As promised, I shall refrain from...

Salute!

As promised, I shall refrain from speculation on "causes" and "design" of the plane.

OTOH, fer jeeez friggin' sake!!!!! The "memory" is not encased in a stainless steel/titanium "crash...
Forum: Tech Log
25th Apr 2011, 03:59
Replies: 2,546
Views: 937,616
Posted By gums

Salute! Too much about ACARS and WX radar on...

Salute!

Too much about ACARS and WX radar on the jets. And times for ACARS data not correlated with the flight recorders yet.

As Cog pointed out, at least one other plane flew thru the wx.
...
Forum: Tech Log
24th Apr 2011, 17:55
Replies: 2,546
Views: 937,616
Posted By gums

Salute! I tend to agree with Bear. The...

Salute!

I tend to agree with Bear. The opinions of Svarin and Jct are ones I also agree with.

I only post here as I was flying FBW systems before most, if not all folks here. Try 1979.

We...
Forum: Tech Log
24th Apr 2011, 03:00
Replies: 2,546
Views: 937,616
Posted By gums

Salute! Thanks, Turbine. The procedure...

Salute!

Thanks, Turbine.

The procedure outlined in machaca's post seems very reasonable. And I doubt that the AF crew re-engaged the autopilot if it had kicked off for whatever reason,...
Showing results 1 to 35 of 36
 
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