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#1
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Barometers and average pressure
On 06/02/2020 14:00, Commander Kinsey wrote:
Why do barometers have different centre readings? I thought 1000 mbar was average, as that's what barometers always used to have as the central reading ("change"), but Wikipedia says it's 1013. I've seen some newer ones with 1010 as the centre. In space the average is 0 mbar |
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#2
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Barometers and average pressure
On 06/02/2020 14:11, Andy Bennet wrote:
On 06/02/2020 14:00, Commander Kinsey wrote: Why do barometers have different centre readings? I thought 1000 mbar was average, as that's what barometers always used to have as the central reading ("change"), but Wikipedia says it's 1013. I've seen some newer ones with 1010 as the centre. In space the average is 0 mbar The same as the pressure between your ears. |
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#3
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Barometers and average pressure
Oh I'm not so sure.
It does get a little awkward with QNH and QFE, the latter being field elevation of course. Brian -- ----- -- This newsgroup posting comes to you directly from... The Sofa of Brian Gaff... Blind user, so no pictures please Note this Signature is meaningless.! "Andy Bennet" wrote in message o.uk... On 06/02/2020 14:11, Andy Bennet wrote: On 06/02/2020 14:00, Commander Kinsey wrote: Why do barometers have different centre readings? I thought 1000 mbar was average, as that's what barometers always used to have as the central reading ("change"), but Wikipedia says it's 1013. I've seen some newer ones with 1010 as the centre. In space the average is 0 mbar The same as the pressure between your ears. |
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#4
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Barometers and average pressure
On Thu, 06 Feb 2020 14:11:13 -0000, Andy Bennet wrote:
On 06/02/2020 14:00, Commander Kinsey wrote: Why do barometers have different centre readings? I thought 1000 mbar was average, as that's what barometers always used to have as the central reading ("change"), but Wikipedia says it's 1013. I've seen some newer ones with 1010 as the centre. In space the average is 0 mbar Barometers tend to be used on the ground. So how come the bar was taken to be slightly different to mean sea level pressure? Was it measured inaccurately when they invented it? |
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#5
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Troll-feeding Senile ASSHOLE Alert!
On Thu, 6 Feb 2020 14:11:13 +0000, Andy Bennet, another troll-feeding senile
idiot, blathered: In space the average is 0 mbar On average he's a clinically insane trolling ****** and you are a senile troll-feeding idiot! |
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