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preunit

Joined:

Dec 10

Posts: 11932

preunit says:

Measuring your bikes DB's

How?..yeah i know....what i mean is i want to do a trackday or 2 on the smr, now it's noisy, Akra's, no sas and no db killers, the ecu is mapped so.

If i have to put the db's back in then i'll have to remap, so, in the real world what's the best way to test the DB's?

Help pls x :smile

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  • Posted 2 years ago (04 February 2013 17:21)

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zanderh

Joined:

Aug 12

Posts: 267

zanderh says:

Phone app

can give a rough indication. Often not perfect (as not calibrated) but they do a fairly good job.


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zanderh

Joined:

Aug 12

Posts: 267

zanderh says:

Forgot to note

that most phone microphones are limited as they're tailored towards human voice so the actual value of a motorbike exhaust may go beyond the range of the microphone.


Best bet is to jump online and get a digital sound meter for £40.

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preunit

Joined:

Dec 10

Posts: 11932

preunit says:

Cheers zan man

A £40 digi meter sounds (scuse the pun:blink:) good, better than forking out for a day, then no ride :upset:

Flyer and stealth do trackdays, how strict are they lads?.

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babyblade41

Joined:

Aug 05

Posts: 7568

babyblade41 says:

Zanders right

some track days have noise limitation, but I'm sure the nice boys at the track will test your bike before hand:smile and not let you out if it exceeds the DB limit:upset:

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preunit

Joined:

Dec 10

Posts: 11932

preunit says:

Fancy cadwell

wonna see if the smr jumps better than gunga's srr :smile

But 105 db limit :unsure:

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smoto5

Joined:

Mar 09

Posts: 4548

smoto5 says:

Best get a two stroke

:smile much more environmentally friendly, well in noise pollution terms anyway :lol: 

 Don't KTM or Akrapovic have any details of dB levels?
Crazy situation that now the places you'd expect to make as much noise as you like, race tracks, are subject to noise limits, all them folks moving near tracks and then deciding they don't want to be disturbed :upset: mind, could also be something to do with all the muppets that think they need to ride on the road with open race cans blaring away......wannabe racers? :lol: 

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preunit

Joined:

Dec 10

Posts: 11932

preunit says:

"Don't KTM or Akrapovic have any details of dB levels?"

cheers sm5, good call, i'm on it :smile

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snev

Joined:

Jan 11

Posts: 7842

snev says:

my personal Db tester...

is a sensitive precision instument.

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albert88

Joined:

Jan 10

Posts: 1661

albert88 says:

noise

cant you put the db killers in for the test? , then wipe 'em out before you go on track?

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preunit

Joined:

Dec 10

Posts: 11932

preunit says:

.

"cant you put the db killers in for the test? , then wipe 'em out before you go on track?"

don't know, but i reckon not. :winkie: 

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