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Old 10 Dec 2006, 08:37 (Ref:1786557)   #26
Kempi
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Kempi should be qualifying in the top 5 on the gridKempi should be qualifying in the top 5 on the grid
3db more is supposed to mean twice as loud.
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Old 10 Dec 2006, 13:35 (Ref:1786813)   #27
Hammerdown
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Hammerdown should be qualifying in the top 10 on the grid
100 dB is said to be the loudness of a jackhammer (road drill) 2m from you in a disco!

110 dB is likened to a chainsaw at 1m

120 dB at 1m causes immediate perforation of ear drum

140 dB for an F1 car at 1m

The R8 was fairly quiet anyway, being a turbo.

I've forgotten what the new sound limit is at the LM 24. Think it might be 120. It's mentioned somewhere recently on another thread. I gather only the Astons went over that when it was measured at this year's race.
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Old 10 Dec 2006, 13:59 (Ref:1786830)   #28
AU N EGL
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AU N EGL should be qualifying in the top 10 on the gridAU N EGL should be qualifying in the top 10 on the grid
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Originally Posted by Hammerdown

I've forgotten what the new sound limit is at the LM 24. Think it might be 120. It's mentioned somewhere recently on another thread. I gather only the Astons went over that when it was measured at this year's race.
108 dbs. or there abouts and at 10 meters.
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Old 10 Dec 2006, 14:10 (Ref:1786837)   #29
vorsprung
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vorsprung should be qualifying in the top 10 on the grid
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Originally Posted by AU N EGL
108 dbs. or there abouts and at 10 meters.
From the 2007 regulations:

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5.5.1 - Noise level: The sound emitted from each car will must not exceed 113dbA during the qualifying practices and the race. The measurement will be made at 15 meters from the edge of the track.
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Old 10 Dec 2006, 16:24 (Ref:1786888)   #30
AU N EGL
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AU N EGL should be qualifying in the top 10 on the gridAU N EGL should be qualifying in the top 10 on the grid
Thanks

and just think, with all the new regulations in F1 for the next 5 years, I would not be supprised that we see the same in other sports car races too.

Sprots car racing may as excting as watching Paint dry, grass grow or submarine racing.
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Old 10 Dec 2006, 19:32 (Ref:1787021)   #31
chernaudi
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chernaudi has a real shot at the championship!chernaudi has a real shot at the championship!chernaudi has a real shot at the championship!chernaudi has a real shot at the championship!chernaudi has a real shot at the championship!chernaudi has a real shot at the championship!
Well, the R10 is at about 90-95 db. I don't know the definent figure for the R8, but it was probably about 105 db, plus or minus 2-3 db. You for sure can't hear it clearly when it's near other cars. For compairison, the Panoz LMP1 was probably around 110 db, and the DBR9's are probably about 115 db. I wonder how loud the Porsche RS Spyders are-they sound like F1 cars!
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