Ashes halt air traffic
Posted 15/04/2010 - 10:09
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I imaging it like putting sandpaper through the engines.
Barrie - Too Old To Die Young
https://pentaxphotogallery.com/artists/barrieforbes
https://www.flickr.com/photos/189482630@N03/
https://pentaxphotogallery.com/artists/barrieforbes
https://www.flickr.com/photos/189482630@N03/
Posted 15/04/2010 - 10:29
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No, jet engines don't have filters. However the tolerances that they are made too are so critical. I used to supply a company that machined containment casings for Rolls Royce. They were made elliptical so that the weight of the engine hanging on the wing pulled them into round
Barrie - Too Old To Die Young
https://pentaxphotogallery.com/artists/barrieforbes
https://www.flickr.com/photos/189482630@N03/
https://pentaxphotogallery.com/artists/barrieforbes
https://www.flickr.com/photos/189482630@N03/
Posted 15/04/2010 - 10:37
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Have a look here (takes a while to load).
As well as the long term effect of grinding away parts of the engines it also can have an immediate effect. It can extinguish the fuel burning in the engine.
This happened years ago when a 747 flew through a cloud of volcanic ash. All four engines shut down at well over 30000ft and when they managed to get them going again they were below 5000ft
As well as the long term effect of grinding away parts of the engines it also can have an immediate effect. It can extinguish the fuel burning in the engine.
This happened years ago when a 747 flew through a cloud of volcanic ash. All four engines shut down at well over 30000ft and when they managed to get them going again they were below 5000ft
Posted 15/04/2010 - 10:39
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I was due to fly to Aberdeen this morning - got to te airport and told it is not going.
Gatwick to Aberdeen was flying !
Also, the news reports that Heathrow is closed - well not according to BAA and the aircraft I can see taking off!
Some of it is a knee jerk reaction - cancel UK flights but let international ones fly.
There have been flights from Heathrow to Dublin, Copenhagen, Helsinki and N America - which if the news is accurate will pass through the ash cloud.
Gatwick to Aberdeen was flying !
Also, the news reports that Heathrow is closed - well not according to BAA and the aircraft I can see taking off!
Some of it is a knee jerk reaction - cancel UK flights but let international ones fly.
There have been flights from Heathrow to Dublin, Copenhagen, Helsinki and N America - which if the news is accurate will pass through the ash cloud.
.
K20D, *istD, MZ-S, Super-A, ME Super, MX
DA* 16-50, DA* 50-135, DA* 300,
DA 50-200, FA 24-90, FA 20-35,
M 400-600, A 50 f1.4, A 28 f2.8, A 70-210, M 35-80, M 50 f1.7
A x2S teleconverter and a few others ...
K20D, *istD, MZ-S, Super-A, ME Super, MX
DA* 16-50, DA* 50-135, DA* 300,
DA 50-200, FA 24-90, FA 20-35,
M 400-600, A 50 f1.4, A 28 f2.8, A 70-210, M 35-80, M 50 f1.7
A x2S teleconverter and a few others ...
Posted 15/04/2010 - 10:50
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There is not a lot of activity at Gatwick at the moment - very quiet indeed.
_________
Plenty of stuff - not enough time....
Plenty of stuff - not enough time....
Posted 15/04/2010 - 10:53
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bforbes wrote:
I imaging it like putting sandpaper through the engines.
...and sandblasting the windows.
I imaging it like putting sandpaper through the engines.
Best regards
Terry
K20D, Optio I10, DA 18-55 1:3.5-5.6 AL II, A 1:1.7/50, D FA 1:2.8/100 Macro, Sigma 70-300 1:4-5.6 APO DG Macro, Pentax AF 360FGZ
Terry
K20D, Optio I10, DA 18-55 1:3.5-5.6 AL II, A 1:1.7/50, D FA 1:2.8/100 Macro, Sigma 70-300 1:4-5.6 APO DG Macro, Pentax AF 360FGZ
Posted 15/04/2010 - 12:40
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Hardgravity wrote:
Lunch time news says no UK flights until 18.00 at the earliest.
How's it going in Norway Terry?
News is wrong AGAIN.Lunch time news says no UK flights until 18.00 at the earliest.
How's it going in Norway Terry?
Have a look at:
http://www.heathrowairport.com/portal/page/Heathrow%5EGeneral%5EFlight+information%5EHeathrow+departures/
and see how many are taking off at the moment ... around 40 in the last hour.
.
K20D, *istD, MZ-S, Super-A, ME Super, MX
DA* 16-50, DA* 50-135, DA* 300,
DA 50-200, FA 24-90, FA 20-35,
M 400-600, A 50 f1.4, A 28 f2.8, A 70-210, M 35-80, M 50 f1.7
A x2S teleconverter and a few others ...
K20D, *istD, MZ-S, Super-A, ME Super, MX
DA* 16-50, DA* 50-135, DA* 300,
DA 50-200, FA 24-90, FA 20-35,
M 400-600, A 50 f1.4, A 28 f2.8, A 70-210, M 35-80, M 50 f1.7
A x2S teleconverter and a few others ...
Posted 15/04/2010 - 13:07
Link
Hardgravity wrote:
I was only stating what BBC are saying, even now at 13.00GMT
Looking into the future?I was only stating what BBC are saying, even now at 13.00GMT
It is not 13:07 BST or 12:07 GMT
.
K20D, *istD, MZ-S, Super-A, ME Super, MX
DA* 16-50, DA* 50-135, DA* 300,
DA 50-200, FA 24-90, FA 20-35,
M 400-600, A 50 f1.4, A 28 f2.8, A 70-210, M 35-80, M 50 f1.7
A x2S teleconverter and a few others ...
K20D, *istD, MZ-S, Super-A, ME Super, MX
DA* 16-50, DA* 50-135, DA* 300,
DA 50-200, FA 24-90, FA 20-35,
M 400-600, A 50 f1.4, A 28 f2.8, A 70-210, M 35-80, M 50 f1.7
A x2S teleconverter and a few others ...
Posted 15/04/2010 - 13:18
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Seems the issue is not so much the ash, but what it contains - silica (glass).
Posted 15/04/2010 - 13:42
Link
Latest info from Avinor (the Norwegian authorities) is that air traffic will be stopped at least till tomorrow.
Best regards
Terry
K20D, Optio I10, DA 18-55 1:3.5-5.6 AL II, A 1:1.7/50, D FA 1:2.8/100 Macro, Sigma 70-300 1:4-5.6 APO DG Macro, Pentax AF 360FGZ
Terry
K20D, Optio I10, DA 18-55 1:3.5-5.6 AL II, A 1:1.7/50, D FA 1:2.8/100 Macro, Sigma 70-300 1:4-5.6 APO DG Macro, Pentax AF 360FGZ
Posted 15/04/2010 - 16:00
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My husband was due to fly to Marseilles. First it was OK, then Eurocontrol closed the airspace over the Netherlands, Belgium and part of Germany. then they re-opened. So I though he'd gone.
I get a phone call to say he is in the train on his way home again. He was ready to board when he got a call to say the meeting was cancelled as half of those supposed to be attending couldn't make it due to the ash.
So he unchecked himself and came home.
His company will rebook it for next week now.
He says Schiphol was really busy and verging on chaos.
It is expected that it will be closed later today, and even if it isn't planes are in the wrong place so it is difficult to get flights out even to destinations unaffected.
Update- Dutch airspace will be closed from 19.00 European Summer time.
I get a phone call to say he is in the train on his way home again. He was ready to board when he got a call to say the meeting was cancelled as half of those supposed to be attending couldn't make it due to the ash.
So he unchecked himself and came home.
His company will rebook it for next week now.
He says Schiphol was really busy and verging on chaos.
It is expected that it will be closed later today, and even if it isn't planes are in the wrong place so it is difficult to get flights out even to destinations unaffected.
Update- Dutch airspace will be closed from 19.00 European Summer time.
Posted 15/04/2010 - 16:46
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Mercifully I'm travelling to France by Road - albeit an overnight journey from 11pm tomorrow.
This morning started quite cool - we now have SUN
back to my packing
This morning started quite cool - we now have SUN
back to my packing
let the education continue
proud owner of a couple of cameras and a few bits and bobs
proud owner of a couple of cameras and a few bits and bobs
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1384 posts
18 years
Horten,
Norway
Terry
K20D, Optio I10, DA 18-55 1:3.5-5.6 AL II, A 1:1.7/50, D FA 1:2.8/100 Macro, Sigma 70-300 1:4-5.6 APO DG Macro, Pentax AF 360FGZ