Quote:
Originally Posted by BGTV8
Jeez, all tracks in Australia have a 75Db @ 30 metres drive-by for non-race days and open race days are 95Db @ 30 metres drive by and it is rigidly enforced .. too noisy you are black-flagged and asked to fix it.
Go out again and breach the limit, regardless of what you did, and you go home !!
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I need to test this one day. Mines loud but never did a drive by at a distance.
For bikes it was some crazy test of like a db meter at 3-4 feet at a 45* angle from the tip with the motor reved to half of redline. That test couldn't be over 105db.