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Author Db / Noise Limits on Trackdays
AK
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Registered: 5th Jul 00
Location: Aberdeen City
User status: Offline
15th Feb 08 at 07:59   View User's Profile U2U Member Reply With Quote

I'm interested in a Donnington trackday BUT the noise limit is 98db :/

Our car isnt very loud, but it's not exactly quiet. R32 GTR running 400bhp
Where can i test this before commiting?!

http://trackscotland.co.uk/forums/viewtopic.php?p=2577#2577

[Edited on 15-02-2008 by AK]
SportBoy
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Registered: 5th Oct 01
Location: Retford, Nottinghamshire
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15th Feb 08 at 08:07   View User's Profile U2U Member Reply With Quote

do they not have the means of testing it at knockhill??

http://www.maplin.co.uk/Module.aspx?ModuleNo=46362&C=Maplin&U=SearchTop&T=noise%20tester&doy=15m2

?
AK
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Registered: 5th Jul 00
Location: Aberdeen City
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15th Feb 08 at 08:29   View User's Profile U2U Member Reply With Quote

i'd think so... i'm going to get in touch with them today....

MOT station maybe too?!

I think its 98Db drive by which isnt as bad i think
Mattb
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Registered: 2nd Feb 03
Location: Under your sisters bed
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15th Feb 08 at 10:26   View User's Profile U2U Member Reply With Quote

If theres any places up near you that build competition exhausts they should be able to noise test it for you
jr
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Registered: 20th May 02
Location: Kent
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15th Feb 08 at 10:57   View User's Profile U2U Member Reply With Quote

Donny do "noisy days" as well adam, just not many of them
corsaandy
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Registered: 29th Jan 03
Location: Northamptonshire
User status: Offline
16th Feb 08 at 12:08   View User's Profile U2U Member Reply With Quote

i got black flagged on donny for being over the noise limit told me to come off and sort it out, one of the guys just said short shift through druids the chicane before the start/finish straight, then you wont be on full rpm when they do the drive by noise test
Toby
Premium Member

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Registered: 29th Nov 05
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18th Feb 08 at 16:33   View Garage View User's Profile U2U Member Reply With Quote

you will also need to find out how they test the car so you can the same i.e. stood at the back of the car or at a et distance on a tripod etc
dhdev
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Registered: 22nd Dec 05
Location: Midlands
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18th Feb 08 at 16:47   View User's Profile U2U Member Reply With Quote

Donington have a mic on the start finish straight, it is possible to lift slightly or short shift, bit they have become wary to this. The local busy boddy is a councellor IIRC so they have to be strict on noise, so if they notice that you are lifting or short shifting they will black flag u anyway.
SportBoy
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Registered: 5th Oct 01
Location: Retford, Nottinghamshire
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18th Feb 08 at 18:07   View User's Profile U2U Member Reply With Quote

so do they not static test you?? only the mic on the start/finish?
corsaandy
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Registered: 29th Jan 03
Location: Northamptonshire
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18th Feb 08 at 18:24   View User's Profile U2U Member Reply With Quote

they didnt the last time i was at donnington last may but they did when i was at cadwell park this weekend think different places ahave different methods
AK
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Registered: 5th Jul 00
Location: Aberdeen City
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26th Feb 08 at 20:45   View User's Profile U2U Member Reply With Quote

here is the silencer I bought from ACT.... its feckin HUGE :O

Still to try and fit/see how it'll work. Its just a precation for future events. 2.75" ID so will limit power somewhat





very good service from ACT - http://www.actproducts.co.uk/
Steve X16XE
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Registered: 31st Dec 06
Location: Barnsley, South Yorkshire
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26th Feb 08 at 23:49   View User's Profile U2U Member Reply With Quote

A mate of mine got his MK2 Astra tested at cadwell and he said that his is 102DB. I'd hate to know what mine is now because it is a hell of a lot louder than his
SportBoy
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Registered: 5th Oct 01
Location: Retford, Nottinghamshire
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27th Feb 08 at 18:21   View User's Profile U2U Member Reply With Quote

mine was 105db at cadwell
Gaz
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Registered: 24th Aug 03
Location: Widnes, Cheshire
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1st Mar 08 at 16:30   View User's Profile U2U Member Reply With Quote

i was told MOT'ers can do it but wasn't to confident with the advise.

You could always ask the police..? E.g. VOSA garage appoved

[Edited on 01-03-2008 by Gaz]
AK
Member

Registered: 5th Jul 00
Location: Aberdeen City
User status: Offline
1st Mar 08 at 16:50   View User's Profile U2U Member Reply With Quote

it is DRIVE BY......

 
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