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Re: 2 stroke noise levels
Posted by 'raceinstructor' on 04 Jul 2009 @ 11:47


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raceinstructor
Joined: August 2007
Total Posts: 2
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The MSA Regulations and criteria for testing karts are: Meter point 3.6m above the centre line of the circuit at a point where the karts are at full throttle and approaching maximum revs. The maximum level permitted is 105 dba.
There is no criteria for any other method for karts.
The practice of revving a kart while holding the rear wheels off the ground is in itself against MSA regs Therefore a valid test cannot be performed.
The MSA regs do provide static test criteria for cars using 2 methods. one at 10m from the vehicle at right angles to the centre line or at 0.5m at a 45deg angle parallel to the ground from the exhaust tail pipe both methods are taken with the engine at 2/3 max rpm and off load.

Message Thread:

2 stroke noise levels  by '100ccnational'   (03 Jul 2009 @ 12:17)
Re: 2 stroke noise levels  by 'QuickOldTimer'   (03 Jul 2009 @ 12:36)
Re: 2 stroke noise levels  by '100ccnational'   (03 Jul 2009 @ 12:43)
Re: 2 stroke noise levels  by 'njr'   (03 Jul 2009 @ 12:55)
Re: 2 stroke noise levels  by '100ccnational'   (03 Jul 2009 @ 13:06)
Re: 2 stroke noise levels  by 'njr'   (03 Jul 2009 @ 13:41)
Re: 2 stroke noise levels  by '100ccnational'   (03 Jul 2009 @ 14:09)
Re: 2 stroke noise levels  by 'njr'   (03 Jul 2009 @ 14:18)
Re: 2 stroke noise levels  by '100ccnational'   (03 Jul 2009 @ 14:29)
Re: 2 stroke noise levels  by 'njr'   (03 Jul 2009 @ 15:43)
Re: 2 stroke noise levels  by 'JonWright'   (03 Jul 2009 @ 12:57)
Re: 2 stroke noise levels  by 'Gaz1970'   (03 Jul 2009 @ 16:10)
Re: 2 stroke noise levels  by 'Attack2001'   (03 Jul 2009 @ 16:23)
Re: 2 stroke noise levels  by 'DavyBoy'   (03 Jul 2009 @ 18:10)
Re: 2 stroke noise levels  by 'raceinstructor'   (03 Jul 2009 @ 18:26)
Re: 2 stroke noise levels  by 'DavyBoy'   (03 Jul 2009 @ 19:15)
Re: 2 stroke noise levels  by 'ghinzani'   (03 Jul 2009 @ 19:35)
Re: 2 stroke noise levels  by 'dave56'   (03 Jul 2009 @ 19:55)
Re: 2 stroke noise levels  by 'beermoneyracer'   (03 Jul 2009 @ 20:33)
Re: 2 stroke noise levels  by '100ccnational'   (03 Jul 2009 @ 23:09)
Re: 2 stroke noise levels  by 'richpudd2003'   (03 Jul 2009 @ 23:16)
Re: 2 stroke noise levels  by '100ccnational'   (03 Jul 2009 @ 23:29)
Re: 2 stroke noise levels  by 'Booney'   (04 Jul 2009 @ 9:57)
Re: 2 stroke noise levels  by 'raceinstructor'  << You are here!
Re: 2 stroke noise levels  by 'harvinsurrey'   (06 Jul 2009 @ 13:02)
You got any more info 100cc national?  by 'Booney'   (07 Jul 2009 @ 18:42)
Re: You got any more info 100cc national?  by '100ccnational'   (08 Jul 2009 @ 14:30)
Re: You got any more info 100cc national?  by 'Booney'   (09 Jul 2009 @ 23:41)

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