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Forum: Flight Testing

6th Sep 2016, 09:43

Replies: 2

MD-95 Testing

Views: 2,287

Posted By dereknf

Looks like a turning stall but hard to say if the...

Looks like a turning stall but hard to say if the entry rate was accelerated or not. Interesting departure though.

Forum: Spectators Balcony (Spotters Corner)

13th Jan 2016, 09:50

Replies: 6

Brake Lockup?

Views: 2,468

Posted By dereknf

The RJ/146 antiskid drops out at about 30kts...

The RJ/146 antiskid drops out at about 30kts IIRC. The puffs could the wheels locking up in that last few kts.

Forum: Aviation History and Nostalgia

21st Jan 2014, 15:23

Replies: 24

Strathallen Lancaster

Views: 7,907

Posted By dereknf

There are some answers here ...

There are some answers here

http://www.pprune.org/aviation-history-nostalgia/331567-lancaster-questions-2.html

Forum: Aviation History and Nostalgia

14th Jan 2014, 07:08

Replies: 22

DH/HS/BAe Chester

Views: 4,219

Posted By dereknf

Airliners.net has photos of Guppys at Manchester...

Airliners.net has photos of Guppys at Manchester until 1995 so that would tie in.
Even managed to photograph one myself in 1990. :)

Photo Search Results | Airliners.net...

Forum: Aviation History and Nostalgia

30th Nov 2013, 11:18

Replies: 103

British built Airliners. How many still flying?

Views: 25,624

Posted By dereknf

I think it was this one that should have been...

I think it was this one that should have been built. A massive investment would have been required though.

0.8MMO, FBW, I think CFM56 engines.
...

Forum: Aviation History and Nostalgia

29th Nov 2013, 17:26

Replies: 103

British built Airliners. How many still flying?

Views: 25,624

Posted By dereknf

I remember the RJX/ARA being spoken about around...

I remember the RJX/ARA being spoken about around the time ARA was started but the RJX never got a type certificate and support for what became a unique airframe would have been difficult. What would...

Forum: Aviation History and Nostalgia

29th Nov 2013, 14:54

Replies: 103

British built Airliners. How many still flying?

Views: 25,624

Posted By dereknf

It wasn't just an engine change but I take your...

It wasn't just an engine change but I take your point that from the outside there isn't much difference between a 146 and an RJ. An avionics engineer (and pilot) would disagree though.

The...

Forum: Aviation History and Nostalgia

29th Nov 2013, 13:59

Replies: 103

British built Airliners. How many still flying?

Views: 25,624

Posted By dereknf

RJX not an airliner? I guess Jersey European and...

RJX not an airliner? I guess Jersey European and Druk who had some orders for it would disappointed to find out that it wasn't an airliner.

So, by this reckoning, the A350 is not an airliner yet...

Forum: Aviation History and Nostalgia

29th Nov 2013, 11:55

Replies: 103

British built Airliners. How many still flying?

Views: 25,624

Posted By dereknf

Built, designed and tested to be an airliner. It...

Built, designed and tested to be an airliner. It makes no difference that it never entered revenue service. It's an airliner. End of.
...

Forum: Aviation History and Nostalgia

29th Nov 2013, 11:10

Replies: 103

British built Airliners. How many still flying?

Views: 25,624

Posted By dereknf

Because it was designed and built as an airliner....

Because it was designed and built as an airliner.

Would you say that the Lightning was not a fighter because it never shot anything down?

Forum: Aviation History and Nostalgia

7th Aug 2013, 07:02

Replies: 31

Concorde at Hatfield

Views: 6,675

Posted By dereknf

In 1988/89? BAe operated BAe146-100 E1002 (or...

In 1988/89? BAe operated BAe146-100 E1002 (or E1004?) over several weekends to give as many employees a flight as they could. I think it was in PSA colours at the time.

Forum: Military Aviation

10th Jun 2013, 05:32

Replies: 65

Do we still have an Air Force?

Views: 13,748

Posted By dereknf

So what they appeared to have done is told people...

So what they appeared to have done is told people they wouldn't get in without a ticket then let folks pay on the gate anyway. Sounds like a major cock-up by someone.
Anyway, it wasn't a sign on...

Forum: Military Aviation

9th Jun 2013, 22:00

Replies: 65

Do we still have an Air Force?

Views: 13,748

Posted By dereknf

I think a few may disagree with that. Myself...

I think a few may disagree with that. Myself included. We joined the queue 8 miles from Cosford at around 8.45am. We found out about an hour later, having moved nearly half a mile in that time, that...

Forum: Flight Testing

11th Apr 2013, 07:03

Replies: 14

Production Flight Testing

Views: 4,904

Posted By dereknf

When I was involved with the BAe125, production...

When I was involved with the BAe125, production aircraft on test used to be stalled "naturally" with stick pusher off. If the aircraft rolled one way or the other, the stall triggers were adjusted...

Forum: Flight Testing

21st Mar 2013, 12:56

Replies: 14

Production Flight Testing

Views: 4,904

Posted By dereknf

It looks like he is using full right handwheel to...

It looks like he is using full right handwheel to stop it rolling off to the left. Yikes!

Forum: Flight Testing

21st Mar 2013, 12:53

Replies: 6

Questions about vmcg

Views: 4,505

Posted By dereknf

Just a few points to add to the excellent detail...

Just a few points to add to the excellent detail above. Many years ago when measuring VMCG on a 4 engined regional jet, we took account of tyre pressure and if I recall, the low pressure tyres which...

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