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Author Reached mach speed today
3CorsaMeal
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Registered: 11th Apr 02
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10th Dec 04 at 11:45   View User's Profile U2U Member Reply With Quote
only 0.148 mach, not bad for a 14xe
Black Corsa SRi
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Registered: 25th May 02
Location: ---Stockport---- Drives: Pug 206 Roland Garros
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10th Dec 04 at 14:15   View User's Profile U2U Member Reply With Quote
vibrio
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10th Dec 04 at 14:17   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by 3CorsaMeal
only 0.148 mach, not bad for a 14xe

yes but as the speed of sound (in mph) decreases the higher up you go the term 0.148 mach really means nothing in this case
3CorsaMeal
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10th Dec 04 at 14:55   View User's Profile U2U Member Reply With Quote
110mph
James R
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10th Dec 04 at 14:57   View User's Profile U2U Member Reply With Quote
take it sea level though, cars can't really fly, well only a few ft at most. so it's 750 isn't??
vibrio
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10th Dec 04 at 15:27   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by j1400
take it sea level though, cars can't really fly, well only a few ft at most. so it's 750 isn't??


not every bit of land is at sea level.

761mph @ sea level

660mph @ 37000 ft
3CorsaMeal
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10th Dec 04 at 15:35   View User's Profile U2U Member Reply With Quote
mach speed isn't shaving really quickly btw
James R
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10th Dec 04 at 15:41   View User's Profile U2U Member Reply With Quote
isn't that a few miles up though?? 37,000ft?
Dom
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10th Dec 04 at 15:48   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by vibrio
quote:
Originally posted by j1400
take it sea level though, cars can't really fly, well only a few ft at most. so it's 750 isn't??


not every bit of land is at sea level.

761mph @ sea level

660mph @ 37000 ft



surely the higher you go, the less air, therefore less friction (causes drag etc)...so the faster you should go
James R
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10th Dec 04 at 16:07   View User's Profile U2U Member Reply With Quote
the air is thinner so air won't conduct sound as well so it travels slower, hence speed of sound becomes less.
vibrio
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10th Dec 04 at 17:13   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Dom
quote:
Originally posted by vibrio
quote:
Originally posted by j1400
take it sea level though, cars can't really fly, well only a few ft at most. so it's 750 isn't??


not every bit of land is at sea level.

761mph @ sea level

660mph @ 37000 ft



surely the higher you go, the less air, therefore less friction (causes drag etc)...so the faster you should go


yes thats why Jets can travel at mach 2 high up but bearly over mach one at low level

sound is a wave remember
3CorsaMeal
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10th Dec 04 at 20:50   View User's Profile U2U Member Reply With Quote
but 0.148 mach = 110mph

 
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