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Interesting looking at flightradar24.com - Not a single civil movement
over the UK and a lot of western Europe . . . .

www.flightradar24.com

I don't really understand why this is such a big deal though.

Presumably the ash cloud is not 'that' dense otherwise we would have a
blackout.

Why then is it so important that aircraft avoid what seems to be a
little bit of fine dust?

I understand that the plane can suffer engine failures etc if it goes
through dense cloud of volcanic ash but is that likely to happen at such
limited concentrations?

And will I have to clean the car again once it's all fallen out of the
sky!!??

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On 15 Apr, 18:44, Neil wrote:
Interesting looking at flightradar24.com - Not a single civil movement
over the UK and a lot of western Europe . . . .

www.flightradar24.com

I don't really understand why this is such a big deal though.

Presumably the ash cloud is not 'that' dense otherwise we would have a
blackout.

Why then is it so important that aircraft avoid what seems to be a
little bit of fine dust?

I understand that the plane can suffer engine failures etc if it goes
through dense cloud of volcanic ash but is that likely to happen at such
limited concentrations?

And will I have to clean the car again once it's all fallen out of the
sky!!??

Are you going to be the one to volunteer to take a large passenger jet
to Oslo at up to 30000ft?

No, thought not.

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On 15/04/2010 18:51, wrote:
On 15 Apr, 18:44, wrote:
Interesting looking at flightradar24.com - Not a single civil movement
over the UK and a lot of western Europe . . . .

www.flightradar24.com

I don't really understand why this is such a big deal though.

Presumably the ash cloud is not 'that' dense otherwise we would have a
blackout.

Why then is it so important that aircraft avoid what seems to be a
little bit of fine dust?

I understand that the plane can suffer engine failures etc if it goes
through dense cloud of volcanic ash but is that likely to happen at such
limited concentrations?

And will I have to clean the car again once it's all fallen out of the
sky!!??

Are you going to be the one to volunteer to take a large passenger jet
to Oslo at up to 30000ft?

No, thought not.

No, of course not because I've been advised not to.

What I asked was why not and from your sarcastic reply "Cuddles", I
guess you don't have the answer either!

However, a bit of googling has, as usual, found the answer.

For those interested, here is the reason why the planes have been
grounded . . .

http://tinyurl.com/y394h58

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In , Neil wrote:

http://tinyurl.com/y394h58

That covers jet planes, yes. But why have all propeller-driven aircraft
been grounded as well?

--
Bewdley, Worcs. ~90m asl.

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In article ,
Neil writes:
Why then is it so important that aircraft avoid what seems to be a
little bit of fine dust?

I understand that the plane can suffer engine failures etc if it goes
through dense cloud of volcanic ash but is that likely to happen at
such limited concentrations?

I think that past experience when aircraft have encountered such clouds
elsewhere in the world indicates that the answer is yes. A jet engine
must have an awful lot of air going through it, so it wouldn't need to
be very concentrated dust for it to start clogging things up after a
bit. I would imagine that any old piston-engined aircraft would be
pretty much unaffected.
--
John Hall
"Acting is merely the art of keeping a large group of people
from coughing."
Sir Ralph Richardson (1902-83)

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On Thu, 15 Apr 2010 18:13:04 +0000 (UTC), David Buttery wrote:

In , Neil wrote:

http://tinyurl.com/y394h58

That covers jet planes, yes. But why have all propeller-driven aircraft
been grounded as well?

Most prop aircraft are jets, turboprops, gas turbines.



--
Regards, Paul Herber, Sandrila Ltd.
http://www.sandrila.co.uk/

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John Hall wrote:

In article ,
Neil writes:
Why then is it so important that aircraft avoid what seems to be a
little bit of fine dust?

I understand that the plane can suffer engine failures etc if it
goes through dense cloud of volcanic ash but is that likely to
happen at such limited concentrations?

I think that past experience when aircraft have encountered such
clouds elsewhere in the world indicates that the answer is yes. A jet
engine must have an awful lot of air going through it, so it wouldn't
need to be very concentrated dust for it to start clogging things up
after a bit. I would imagine that any old piston-engined aircraft
would be pretty much unaffected.

Execpt that the air filters would quickly get clogged

--
---
zaax
Frustration casues accidents: allow faster traffic to overtake.

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On Thu, 15 Apr 2010 19:23:08 +0100, John Hall wrote:

I would imagine that any old piston-engined aircraft would be
pretty much unaffected.

How much dust would block the engine air filters? Even small aircraft have a cabin air
system.



--
Regards, Paul Herber, Sandrila Ltd.
http://www.sandrila.co.uk/

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http://tinyurl.com/y394h58

That covers jet planes, yes. But why have all propeller-driven
aircraft
been grounded as well?

People are trying to tell me that gliders are also grounded.
That is total nonsense. For heaven's sake, they don't *have*
engines, and they are unlikely to get up to 55,000 feet. The UK
height record is only 38,000 feet.

Anne

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It's all a load of pish.
--
To email; just extract the urine.
www.sinogg.info