How effective are baffles on a 50mm pipe? Hi, I've been looking for a 916 to purchase for a while and found a couple which happen to have 50mm + termis which are just too loud for me to inflict on my neighbours. I would still love to get one of the bikes but no point if i cant use it without waking up the whole street. How effective are baffles? I've heard that they can reduce noise by 50% and can be removed for those times that i am away from home. I'm not keen on drilling into the cans to fit baffles but would rather do that than miss out on a bike I wanted for 18yrs :-) Thanks |
they do reduce the sound levels, by how much is a depends upon the condition of the end cans and the design of the baffle. A figure of 50% is very hard to define, as a 1dB decrease is barely discernable by the human ear. baffles would normally reduce the sound level output by around 5dB. Seeing as the measurement for a 916 would be at 5000rpm, anthing below this RPM would be quieter too....therefore being realistic, cant you just ride quietley out of your road? :D |
DD bike went from 103 (which it never was to start with!! Grrr) to 99 |
Hi, My racebike is 102dB without baffles on a 45/50 crossover to 50mm cans. With baffles it only dropped to 101dB. As stated these readings are at 5000rpm, just ride out slowly. Nellie |
Many thanks for the replies - yep I'd be dribbling out onto the road and away but even on low revs I think I'd be waking up a fair few people with an open can. I might just go for it anyway but would have been nice to have a way to neuter it when leaving early hours. I'll give a couple of firms who make baffles a call and see if anyone of them have any advice. thanks |
have you got an open clutch cover? IMO having a closed cover would reduce the neighbour noise much more than baffles if you have |
Thanks all - bought it, will see how it goes before getting baffles. Many more newbie questions coming :-) |
If you're really that worried, why not just push the bike up the road before starting? At least you won't be annoying *your* neighbours! ;) |
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Yup that's just what I do if it's before 8 otherwise a quick start and off we go on a warm up lap;) |
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Or maybe rev the nuts of it every morning and force all the neighbours to move :cool: Cheers Simon |
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