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Post by Tobyjugs on Aug 14, 2022 21:57:10 GMT 1
Has any one measured the noise from a set of normal fast road TSA pipes. I want to take an RD to a few circuits where the decibel limit it 102. I'm not sure if it will pass.
I also don't know how strict Croix, Ternoit and Carole are when it comes to noise testing.
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Post by steve63 on Aug 14, 2022 22:12:33 GMT 1
Has any one measured the noise from a set of normal fast road TSA pipes. I want to take an RD to a few circuits where the decibel limit it 102. I'm not sure if it will pass. I also don't know how strict Croix, Ternoit and Carole are when it comes to noise testing. Sorry can't help you exactly but that's 3db less than Cadwell and if you know the scale that's a lot less so I think you would struggle with most expansions. Hope I'm wrong though. I was just talking to a guy today at Cadwell. He was riding a Suzuki TR750 replica. He said the noise testers didn't have the figures for a 750 triple. They look in the book and tell you what revs to put it at. They actually told him 7,000rpm. He told them "it only revs to 7,000rpm!". They had another head scratch and came back with 4,000rpm and it passed. he told me that when Phil Reed was there on his 72 RG500 that just had stingers they were allowed a no noise test session and that how he got away with that fantastic sounding bike around Cadwell. I thought they just allowed it cos it was Phil Reed! Maybe make some special adapters that go in your stingers and that maybe just fall out again after noise testing Make the hole smaller with wax, after a couple of laps the heat melts the wax, hey presto!
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Post by donkeychomp on Aug 14, 2022 23:59:39 GMT 1
Noise testing. Sheesh. It's all about the noise!
Alex
ps loud pipes etc
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Post by reedpete on Aug 15, 2022 0:19:47 GMT 1
Noise testing. Sheesh. It's all about the noise! Alex ps loud pipes etc Except that’s how I damaged my ears and have a notch and tinnitus to show for it ….
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Post by Norbo on Aug 15, 2022 7:24:20 GMT 1
No matter what pipe you get if you wend a tit on them they will pass any test
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Post by mouse on Aug 15, 2022 7:59:18 GMT 1
I don't know if you live close to any circuits Tony? In the UK you can go to a circuit that is having a m/c track day and just get noise tested, don't know if that is an option for you?
Mouse
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Post by steve63 on Aug 15, 2022 11:00:39 GMT 1
Noise testing. Sheesh. It's all about the noise! Alex ps loud pipes etc Except that’s how I damaged my ears and have a notch and tinnitus to show for it …. I have tinnitus but I don't know what or where to blame for it. It's only in one ear which is supposed to be a bad sign but when I had an ear infection and had to go to hospital no one seemed to be interested in talking about it. Maybe I just didn't hear them replying? I worked as a sheetmetal worker for a lot of years and there was a lot of hammering and grinding involved but it only became noticeable in the last ten years or so and I've been out of the game 13/14 years. I never went to see Motorhead! Wore earplugs on bike for about 30 years. What is a notch?
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Post by 4l04ever on Aug 15, 2022 13:23:47 GMT 1
My 4L0 at Cadwell was only just under the limit of 105....
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Post by dave1963 on Aug 15, 2022 18:05:36 GMT 1
Got tsa race pipes on my ypvs passes cadwell noise i think its around 103db you could put longer cans on to help
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Post by reedpete on Aug 15, 2022 18:21:41 GMT 1
Steve, my hearing has been damaged to the extent that I’m effectively impaired only at a particular frequencies band. So my ears sensitivity curve has a notch in it , no sensitivity at those frequencies. My particular damage is highly correlated to motorsport/development engines. See a pic that demonstrates the irresponsibility… warming the tz1500 tyre , santa pod, no ear defenders, or anything fire proof for that matter…🙈 Apparently the damaged bits now randomly trigger and are the cause of my tinnitus. Only positive thing is I now have custom moulded ear plugs that have a built in pass band so can hear voice frequencies but block the much higher frequencies. Don’t think any of it was helped by all the gigs I went too in my youth… ears used to ring for a day afterwards… regrets? Difficult to say ….not really… but that’s because it’s done, can’t change it..
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Post by reedpete on Aug 15, 2022 18:30:25 GMT 1
w
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Post by stusco on Aug 15, 2022 18:32:31 GMT 1
My deafness only affects my right ear ,i cant get a hearing aid as its only at a certain frequency (people talking) the audiologist say a hearing aid would amplify all noise and drive me insane and I still wouldn’t hear talking if there was any other noise
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Post by midlifecrisisrd on Aug 15, 2022 19:00:04 GMT 1
I'd be sneaky Buy an SR 500 tacho and try it. At worst just use the face on an LC tacho As the redline is only at 7k when the work out the revs to do the test it will be a lot quieter 😉 Steve
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Post by steve63 on Aug 15, 2022 19:03:46 GMT 1
Steve, my hearing has been damaged to the extent that I’m effectively impaired only at a particular frequencies band. So my ears sensitivity curve has a notch in it , no sensitivity at those frequencies. My particular damage is highly correlated to motorsport/development engines. See a pic that demonstrates the irresponsibility… warming the tz1500 tyre , santa pod, no ear defenders, or anything fire proof for that matter…🙈 Apparently the damaged bits now randomly trigger and are the cause of my tinnitus. Only positive thing is I now have custom moulded ear plugs that have a built in pass band so can hear voice frequencies but block the much higher frequencies. Don’t think any of it was helped by all the gigs I went too in my youth… ears used to ring for a day afterwards… regrets? Difficult to say ….not really… but that’s because it’s done, can’t change it.. Thanks for the explanation. It sounds like you went to see someone who knew exactly what they were doing and looked into it thoroughly. Now I'm a man of leisure I might have time to pester my GP and see if I can get something done. I had a test done at Specsavers and they said my hearing wasn't as good as it should be. I don't think it is too bad it's just when it's really quiet it never really is!
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Post by steve63 on Aug 15, 2022 19:07:18 GMT 1
I'd be sneaky Buy an SR 500 tacho and try it. At worst just use the face on an LC tacho As the redline is only at 7k when the work out the revs to do the test it will be a lot quieter 😉 Steve They can still pull you off the track for being too noisy so getting past the sound police isn't the end of it. My sound testing story was at motocross when the lads YZ125 failed. I said we'd go and re-pack the silencer and come back but what we did was go back to the van and have a cup of tea. When we went back it passed. So there you go, have a cup of tea.
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Post by cb250g5 on Aug 15, 2022 19:49:38 GMT 1
Not sure if it's an LC or a valve, but the trick with a valve is to put a switch in the power to the servo, so the valves stay closed during noise testing. Makes 'em quieter.
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Post by 4l04ever on Aug 15, 2022 20:03:48 GMT 1
My deafness only affects my right ear ,i cant get a hearing aid as its only at a certain frequency (people talking) the audiologist say a hearing aid would amplify all noise and drive me insane and I still wouldn’t hear talking if there was any other noise You can get hearing aids with an inverse frequency response to your hearing, so they only boost the frequencies you need.
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Post by 4l04ever on Aug 15, 2022 20:07:15 GMT 1
I have seen people fit a second end-can in series with the first one... maybe double stacked with a u-bend on the end to connect them.
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Post by Tobyjugs on Aug 15, 2022 20:40:03 GMT 1
Thanks for all the replies gents. I can relate to most of what has been said about Tinnitus. Strange thing is my sister has it as well. She's led a fairly civil life compared to me. I am always in noisy hot engine rooms. The tinnitus doesent bother me but it drive my sister crazy every no and then
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Post by Tobyjugs on Aug 15, 2022 20:53:25 GMT 1
I will take my road RD which has made to measure pipes but with larger silencers. I really love the TSA's but they are loud. Funnily enough a few weeks ago I was followed twice by the police and they didn't stop me and I really thought it was due to the noise that they were following me. The RD will be the backup bike for Bakker 443. If the Bakker bike fails I still want to hoon around on the RD. Some interesting points were raised. I am thinking about trying to use my second power curve on the Zeel to mute the noise, also as it's a special bike I will try some BS to get them to measure it at a lower rpm.
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Post by beardy on Aug 15, 2022 21:03:28 GMT 1
Thanks for all the replies gents. I can relate to most of what has been said about Tinnitus. Strange thing is my sister has it as well. She's led a fairly civil life compared to me. I am always in noisy hot engine rooms. The tinnitus doesent bother me but it drive my sister crazy every no and then Sorry I have nothing to offer regarding your track day noise test. But like you and some others I too have tinnitus and it doesn’t bother me. Your comment about your sister though led me to comment as recently I saw a programme about tinnitus and women going through the menopause. Apparently it is sometimes linked and goes when a women comes out of the menopause. Apologies to your sister if I’ve put her in an older than she is bracket 👍🏻
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Post by Tobyjugs on Aug 15, 2022 21:05:46 GMT 1
Thanks for all the replies gents. I can relate to most of what has been said about Tinnitus. Strange thing is my sister has it as well. She's led a fairly civil life compared to me. I am always in noisy hot engine rooms. The tinnitus doesent bother me but it drive my sister crazy every no and then Sorry I have nothing to offer regarding your track day noise test. But like you and some others I too have tinnitus and it doesn’t bother me. Your comment about your sister though led me to comment as recently I saw a programme about tinnitus and women going through the menopause. Apparently it is sometimes linked and goes when a women comes out of the menopause. Apologies to your sister if I’ve put her in an older than she is bracket 👍🏻 No apology needed. She started complaining in her 30's
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Post by 29davyt on Aug 15, 2022 21:12:50 GMT 1
My hearings great, only time it isn’t is when the Wife’s talking to me 😂
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Post by donkeychomp on Aug 15, 2022 22:10:56 GMT 1
I saw the 'Bomber' tour and couldn't hear properly for 3 days afterwards. Deffo worth it.
Alex
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Post by 4l04ever on Aug 15, 2022 22:32:25 GMT 1
When I was young, I used to work in the loudest night club in the Midlands and usually had the whistling in my ears for a good few hours after each shift....and then went and built the loudest car in Europe at just under 160dB.... :-)
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Post by steve63 on Aug 15, 2022 23:04:59 GMT 1
I have seen people fit a second end-can in series with the first one... maybe double stacked with a u-bend on the end to connect them. I remember my mates RM250 engined kart had two silencers.
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Post by steve63 on Aug 15, 2022 23:09:17 GMT 1
I saw the 'Bomber' tour and couldn't hear properly for 3 days afterwards. Deffo worth it. Alex They played The City Hall in Hull and my mates Dad worked the doors. He said they were the loudest band he'd ever heard. You could hear almost as well outside the building.
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Post by simon998 on Aug 16, 2022 8:03:04 GMT 1
Steve, my hearing has been damaged to the extent that I’m effectively impaired only at a particular frequencies band. So my ears sensitivity curve has a notch in it , no sensitivity at those frequencies. My particular damage is highly correlated to motorsport/development engines. See a pic that demonstrates the irresponsibility… warming the tz1500 tyre , santa pod, no ear defenders, or anything fire proof for that matter…🙈 Apparently the damaged bits now randomly trigger and are the cause of my tinnitus. Only positive thing is I now have custom moulded ear plugs that have a built in pass band so can hear voice frequencies but block the much higher frequencies. Don’t think any of it was helped by all the gigs I went too in my youth… ears used to ring for a day afterwards… regrets? Difficult to say ….not really… but that’s because it’s done, can’t change it.. I thought that was a typo, until i google'd it - wow! www.carolenash.com/news/bike-news/detail/wednesday-watch-list-yamaha-tz1500-drag-racer
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Post by liffy16 on Aug 16, 2022 10:38:48 GMT 1
Like many on here I have worked in a factory/machine shop all my life and hearing seems ok but the missus does complain about the telly being to loud !have also been to many motorhead gigs, even saw phil Campbell recently which doesn't help ,but this isn't helping the original thread either, noise testing seems to be more luck than judgement if you pass in my experience
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Post by liffy16 on Aug 16, 2022 10:42:21 GMT 1
Just to add seems to be a track day thing noise testing, never got tested at a race meeting?? Work that one out ??
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