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Search: Posts Made By: BOAC
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Forum: Tech Log
11th Jan 2010, 21:05
Replies: 153
Views: 56,401
Posted By BOAC

That's it, TP, enquiry over - pilot error:ugh:

That's it, TP, enquiry over - pilot error:ugh:
Forum: Tech Log
28th Jun 2009, 11:11
Replies: 153
Views: 56,401
Posted By BOAC

Time for some Met revision, Dani? Surface...

Time for some Met revision, Dani?

Surface crystallization of supercooled water in clouds ? PNAS (http://www.pnas.org/content/99/25/15873.abstract)

Supercooling Water - Video...
Forum: Tech Log
27th Jun 2009, 13:31
Replies: 153
Views: 56,401
Posted By BOAC

- the thing that bothers some of us 'old-timers'...

- the thing that bothers some of us 'old-timers' is that probably even a lot of those won't be able to either!
Forum: Tech Log
27th Jun 2009, 11:26
Replies: 153
Views: 56,401
Posted By BOAC

Great link - thanks.

Great link - thanks.
Forum: Tech Log
27th Jun 2009, 10:59
Replies: 153
Views: 56,401
Posted By BOAC

That's clearer, thanks. So in the AF crash, as we...

That's clearer, thanks. So in the AF crash, as we understand it, they would have been at Alt2 with no high speed prot? What, then, is the difference between THAT Alt2 and DL? EG Are there still pitch...
Forum: Tech Log
27th Jun 2009, 10:32
Replies: 153
Views: 56,401
Posted By BOAC

I don't think it has answered the questions? Let...

I don't think it has answered the questions? Let me try another way.

Does the FCC still have 'over-ride' on the control DEMANDS in Alt 1 and 2, and would either 1 or 2 command a pitch down if an...
Forum: Tech Log
27th Jun 2009, 07:55
Replies: 153
Views: 56,401
Posted By BOAC

I'd like to bring this thread BTTT with a...

I'd like to bring this thread BTTT with a question generated by comments on the R&N thread. I am surprised to discover that there is not just 'Alternate Law', but AL2 as well. Can someone explain...
Forum: Tech Log
10th Jun 2009, 12:01
Replies: 153
Views: 56,401
Posted By BOAC

Thanks FE - that was what I thought, but I...

Thanks FE - that was what I thought, but I wondered if there was some canny little thermocouple somewhere out of the airstream.
Forum: Tech Log
8th Jun 2009, 16:29
Replies: 153
Views: 56,401
Posted By BOAC

- I have always seen that as a TAT probe...

- I have always seen that as a TAT probe (probably aspirated) and the brain fade I am having is in remembering from 400 years ago where SAT is measured.:) In any of these supposed 'warm air' events,...
Forum: Tech Log
8th Jun 2009, 14:07
Replies: 153
Views: 56,401
Posted By BOAC

If you've missed it, this...

If you've missed it, this (http://www.weathergraphics.com/tim/af447/) is as thorough as I have seen yet.
Forum: Tech Log
8th Jun 2009, 13:25
Replies: 153
Views: 56,401
Posted By BOAC

sp - "the probe indicated the ice temperature"-...

sp - "the probe indicated the ice temperature"- thus you are saying that ice that forms at -39C will be at a significantly higher temperture? I'm familiar with L Heat release at state change but...
Forum: Tech Log
8th Jun 2009, 12:44
Replies: 153
Views: 56,401
Posted By BOAC

It may be of interest to other jet pilots, so I...

It may be of interest to other jet pilots, so I reproduce here a relevant passage from Checkboard's and Yaw String's posts regarding 'warm air pools' - a new concept to me. It does not offer any...
Forum: Tech Log
6th Jun 2009, 08:08
Replies: 153
Views: 56,401
Posted By BOAC

Handyman - - do you have some information that...

Handyman - - do you have some information that we do not? Where do you see the loss of cabin pressure?
Showing results 1 to 13 of 13


 
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