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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
poor quality repop silencers
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<blockquote data-quote="Black Flash" data-source="post: 109147" data-attributes="member: 433"><p>Well I had a goldstar type silencer [loudspeaker] on my 600 cc TPV Comet. 10:1 cr and racing cam I measured 120db.an earbleeding earth shattering noise.</p><p>I built a silencer myself with a Helmholtz resonator inside for max reduction at 4500 rpm. I am now down at 85 dB stationary. But under load the bike is still noisy, but acceptable. </p><p>Yet I can still rev it passed 6000 if I want to. </p><p></p><p>By the way it is not an EU thing, it is a a German brain fart the way they measure today. </p><p>But then at the age of 36 my son said he would like to ride one of my bikes, but we doesn't like the noise. He will wait for electric bikes to become cheaper. </p><p>What a crazy world, I can't believe a hairdryer will give me the same goosebumps as a Vincent accelerating hard.</p></blockquote><p></p>
[QUOTE="Black Flash, post: 109147, member: 433"] Well I had a goldstar type silencer [loudspeaker] on my 600 cc TPV Comet. 10:1 cr and racing cam I measured 120db.an earbleeding earth shattering noise. I built a silencer myself with a Helmholtz resonator inside for max reduction at 4500 rpm. I am now down at 85 dB stationary. But under load the bike is still noisy, but acceptable. Yet I can still rev it passed 6000 if I want to. By the way it is not an EU thing, it is a a German brain fart the way they measure today. But then at the age of 36 my son said he would like to ride one of my bikes, but we doesn't like the noise. He will wait for electric bikes to become cheaper. What a crazy world, I can't believe a hairdryer will give me the same goosebumps as a Vincent accelerating hard. [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
poor quality repop silencers
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