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Search: Posts Made By: ChristiaanJ
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Forum: Tech Log
7th Jan 2011, 19:49
Replies: 316
Views: 84,962
Posted By ChristiaanJ

Halfway! The other half is, that air density...

Halfway!
The other half is, that air density also crops up in the lift formula, so at hot/high airfields, you also need more true speed to obtain the same lift.

CJ
Forum: Tech Log
18th Dec 2010, 21:04
Replies: 316
Views: 84,962
Posted By ChristiaanJ

[Tiny O/T...] Vat? Wot's dat? Two seconds on...

[Tiny O/T...]
Vat? Wot's dat?
Two seconds on Google.
It's Velocity At Threshold, and merely a term I personally wasn't familiar with.
Never too old to learn....
[End O/T]

CJ
Forum: Tech Log
18th Dec 2010, 13:30
Replies: 316
Views: 84,962
Posted By ChristiaanJ

If you mean airliners, I don't have a quick...

If you mean airliners, I don't have a quick anwer.
But wing leading edge devices as such go back to WWII, and probably even pre-war. Some Messerschmitts come to mind, and the Fieseler Storch STOL,...
Forum: Tech Log
16th Dec 2010, 23:30
Replies: 316
Views: 84,962
Posted By ChristiaanJ

I don't think so.... I'd be the last one to...

I don't think so....
I'd be the last one to restart the "Smiths/Elliotts war" of the time on a forum and a topic like this, a subject so much better discussed today over a pint at the local!

But...
Forum: Tech Log
16th Dec 2010, 21:23
Replies: 316
Views: 84,962
Posted By ChristiaanJ

Following this with great interest, even though...

Following this with great interest, even though the "Gripper" was 'before my time'.
This of course calls for that classic remark:
"It's so difficult to make anything fool proof, because fools are...
Forum: Tech Log
14th Dec 2010, 13:43
Replies: 316
Views: 84,962
Posted By ChristiaanJ

I remember the same, from reading "Night Fighter"...

I remember the same, from reading "Night Fighter" (by C F Rawnsley and Robert Wright, great book btw).
To 'camouflage' the performance of the early airborne radar, the story was put about that his...
Forum: Tech Log
11th Dec 2010, 00:29
Replies: 316
Views: 84,962
Posted By ChristiaanJ

avionic type, Myself, I was brought up on...

avionic type,

Myself, I was brought up on the "duplex monitored" principles used on Concorde (and earlier on the VC-10?).

Slightly more hardware, possibly, since each of the two computers...
Forum: Tech Log
10th Dec 2010, 16:33
Replies: 316
Views: 84,962
Posted By ChristiaanJ

Let's try not to go too much O/T, 'coz this...

Let's try not to go too much O/T, 'coz this thread is too interesting.
I'm sure there's already another thread (JetBlast probably) with all those jokes.
Anyway, I always thought BEA stood for...
Forum: Tech Log
8th Dec 2010, 20:24
Replies: 316
Views: 84,962
Posted By ChristiaanJ

Thanks, Peter! I had the impression they'd been...

Thanks, Peter!
I had the impression they'd been removed.

Comment from an ancient (very)... I always thought the PVD was an interesting idea at the time, much like the 'tunnel' displays, and the...
Forum: Tech Log
8th Dec 2010, 17:44
Replies: 316
Views: 84,962
Posted By ChristiaanJ

Peter, That's great. You really have to look...

Peter,
That's great.
You really have to look closely for the differences (apart from the missing PVDs in the original pics, of course).

CJ
Forum: Tech Log
8th Dec 2010, 16:27
Replies: 316
Views: 84,962
Posted By ChristiaanJ

ITman, I think the one you're thinking of is ...

ITman,
I think the one you're thinking of is
G-AVFH HS121 Trident 2E - Forward Fuselage
at the de Havilland Aircraft Heritage Centre.
Forum: Tech Log
7th Dec 2010, 20:57
Replies: 316
Views: 84,962
Posted By ChristiaanJ

Thanks! Link didn't work, but for anybody...

Thanks!
Link didn't work, but for anybody interested,this one should.
BA museum collection (http://www.britishairways.com/travel/museum-collection/public/en_gb)

CJ

Edit, no, it doesn't work...
Forum: Tech Log
6th Dec 2010, 17:21
Replies: 316
Views: 84,962
Posted By ChristiaanJ

Address? Link? Contact details? May pass that...

Address? Link? Contact details?
May pass that way sometime in the not too distant future (I hope), and would be livid ending up in front of a closed door.
And yes, I'll remember to bring the...
Forum: Tech Log
6th Dec 2010, 17:13
Replies: 316
Views: 84,962
Posted By ChristiaanJ

slast, Ever met André Turcat? I've met him a...

slast,
Ever met André Turcat?
I've met him a few times, never got to discuss the subject.

But reading his book ("Essais et Batailles"), he too really 'pushed' for more readable instruments, more...
Forum: Tech Log
5th Dec 2010, 17:05
Replies: 316
Views: 84,962
Posted By ChristiaanJ

slast, Since you flew the beast... for this...

slast,
Since you flew the beast... for this (avionics and AFCS) ancient, could you just confirm that big 'outboard' button is indeed the "instinctive A/P disconnect"?

CJ
Forum: Tech Log
5th Dec 2010, 16:20
Replies: 316
Views: 84,962
Posted By ChristiaanJ

forget, Apologies for having misinterpreted...

forget,
Apologies for having misinterpreted your question.
And I'd even add another question... if the outboard button is indeed the A/P disconnect, why is it so big?
It almost looks like a...
Forum: Tech Log
5th Dec 2010, 15:24
Replies: 316
Views: 84,962
Posted By ChristiaanJ

slast, Thanks for that link! It's rare to...

slast,
Thanks for that link!
It's rare to find a photo that's so hi-res that you can read practically all the legends.

forget,
I suspect you'll get the answer in the form of another question......
Forum: Tech Log
3rd Dec 2010, 11:28
Replies: 316
Views: 84,962
Posted By ChristiaanJ

Wookey, London-Rome would also be SE-NW. I...

Wookey,
London-Rome would also be SE-NW.
I hope somebody will confirm this, but I would expect they would be route maps, oriented along the track from A to B, rather than oriented N-S or E-W, and...
Forum: Tech Log
2nd Dec 2010, 20:50
Replies: 316
Views: 84,962
Posted By ChristiaanJ

slast, Steve... ROFLMAO re the VOAP.... ...

slast,
Steve... ROFLMAO re the VOAP....

Thanks for the other info too.... so I was wrong, and it was indeed paper at the time. (Love the perforations...)

dixi188,
The Doppler of course was...
Forum: Tech Log
2nd Dec 2010, 16:38
Replies: 316
Views: 84,962
Posted By ChristiaanJ

Wookey, It seems most of the Trident crowd has...

Wookey,
It seems most of the Trident crowd has congregated here, so why not stay here?

"....a moving map display which seemed to consist of a paper (?) scroll and a moving pen?"
Ah, you're...
Showing results 1 to 20 of 20


 
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