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Search: Posts Made By: ChristiaanJ
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Forum: Tech Log
16th Sep 2011, 21:21
Replies: 95
Views: 19,016
Posted By ChristiaanJ

Either you are suggesting the a/c was descending...

Either you are suggesting the a/c was descending at 'way outside' 20 000 fpm, or you don't understand the notion of radalt 'tracking capability'.
I assume the latter.

The rest of your comments...
Forum: Tech Log
16th Sep 2011, 16:29
Replies: 95
Views: 19,016
Posted By ChristiaanJ

gravity34, What's the (raw) Mach number in the...

gravity34,
What's the (raw) Mach number in the last seconds?
My back-of-the-envelope says M=0.74, assuming ISA.

Seems to be too far below M=0.86 to really matter....

CJ
Forum: Tech Log
16th Sep 2011, 15:46
Replies: 95
Views: 19,016
Posted By ChristiaanJ

I don't have all the figures at hand, sorry. ...

I don't have all the figures at hand, sorry.
But one well-known phenomenon on Concorde occurs when 'breaking the sound barrier', or better expressed, when accelerating past Mach 1.
A shock wave...
Forum: Tech Log
16th Sep 2011, 14:07
Replies: 95
Views: 19,016
Posted By ChristiaanJ

There isn't because your formula is for...

There isn't because your formula is for calibrating a stationary altimeter in the lab (e.g., with a pneumatic test set)..

A static port on an aircraft is basically just a small hole in the...
Forum: Tech Log
15th Sep 2011, 22:22
Replies: 95
Views: 19,016
Posted By ChristiaanJ

skwinty, Thanks for that Legge/Chandler link,...

skwinty,
Thanks for that Legge/Chandler link, gave me a better view on the 'moonbats', and it's got a nice lot of bookmarks/references to explore tomorrow.....
I'm not a 'believer' in conspiracy...
Forum: Tech Log
15th Sep 2011, 17:24
Replies: 95
Views: 19,016
Posted By ChristiaanJ

Thanks, guys, for a "nice link" to a conspiracy...

Thanks, guys, for a "nice link" to a conspiracy theory.
I haven't read it all yet, but it looks highly "promising" (if you see what I mean....)
I'm familiar with RadAlts, ADCs, pitot static...
Forum: Tech Log
15th Sep 2011, 16:55
Replies: 95
Views: 19,016
Posted By ChristiaanJ

skwinty, Thanks, I'll read that first. ...

skwinty,
Thanks, I'll read that first.
However, I'm not sure it's relevant to gravity32's original question.

CJ
Forum: Tech Log
14th Sep 2011, 16:23
Replies: 95
Views: 19,016
Posted By ChristiaanJ

gravity32, Sorry for barging in, but if I...

gravity32,

Sorry for barging in, but if I understand correctly, the issue is with the FDR record.
Doesn't that show the displayed baro alt ? (Most relevant in a crash analysis.)
And does the...
Showing results 1 to 8 of 8


 
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