As a motorbike track day enthusiast and rider myself, I have friends regularly asking me for advice when it comes to what is the maximum sound level their bike exhaust noise level can be.
When I reply with the question, ‘what circuit are you racing at?’ they seem surprised that this is relevant and that I was unable to provide them with a simple dB Level!
A circuit has individual noise levels in force depending on their surrounding environment; these considerations can include how close they are, for example, to residential properties, a hospital or a school. The decision of what this noise level will be is based on calculations on the levels coming from the track and how the noise propagates to these properties. Continue reading »
