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On Road Noise level

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Bushguide

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Has anyone seen anything concerning the On Road  noise of the Grenadier and in  particular the wind noise associated with the snorkel.?
 
ealshamsi

ealshamsi

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Hi Bushguide,
I had my Grenadier almost three weeks ago, so I am reviving your post because I also noticed a high air noise level while driving.
I am attaching several images showing the noise level (Showing the noise level and the car speed). I think if we are going to drive long distances on highways, it won't be comforting.
Can someone tell us what is the healthy or acceptable noise level?
 

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crimson

crimson

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I didn't notice the same level of noise on my test drive. I didn't get up to that speed though. Max was 100km/h

90dB is pretty loud.
Screenshot_20231128_224616_Sound Meter HQ PRO.jpg
 
Fidei Defensor

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Fidei Defensor

Fidei Defensor

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More information on niose exposure:

Understand Noise Exposure | NIOSH | CDC

The NIOSH recommended exposure limit (REL) for occupational noise exposure is 85 A-weighted decibels (dBA) over an eight-hour shift. If workers are repeatedly exposed to noise at or above the REL, employers must provide a hearing loss prevention program.
www.cdc.gov www.cdc.gov
 
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trobex

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Bushguide said:
Has anyone seen anything concerning the On Road noise of the Grenadier and in particular the wind noise associated with the snorkel.?
Click to expand...
Not really - up to 120kms I really don't notice the snorkel making much noise, except in some situational heavy cross winds which we had recently with storms. With KO2 tires, it also seems ok and I have 2x sleeping kids half the time.
 
ealshamsi

ealshamsi

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Fidei Defensor said:
Over 85 dB for extended periods can cause hearing loss,,,, But I am not sure how accurate your meter is and at what freuencies this noise is. And the most important factor is the amount of time you are esposed. The 85 db limit is for constant exposure over an entire work shift, which is not the condition when driving a car..
Click to expand...
I am new to Noise measurement. But the noise was over the average.
 
Fidei Defensor

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Here is an interesting chart of measurements made on various cars. It "seems" that your measurement is much higher than expected!
But remember: two factors that impact the interior noise are tires and road surface. I know that in our Audi, the noise from the tires varies a lot depending on the road surface. And AT tires are much louder!
You really need to make a continuous measurement over the whole trip to truly evaluate if the measurement you made was an exception or an average.....
 

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trobex

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Fidei Defensor said:
Here is an interesting chart of measurements made on various cars. It "seems" that your measurement is much higher than expected!
Click to expand...
85dB is highly unlikely in any modern car as an average generation... my old Triton was 66-68dB and it was somewhat louder than the Gren. I will have to test this tomorrow!
 
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hustlehard285

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It'd be awesome if current users could get some numbers for us on this. I'm coming from a 200 series LC and loved how quiet it was. I'm hoping the IG will be close?
 
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Skydance

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ealshamsi said:
Hi Bushguide,
I had my Grenadier almost three weeks ago, so I am reviving your post because I also noticed a high air noise level while driving.
I am attaching several images showing the noise level (Showing the noise level and the car speed). I think if we are going to drive long distances on highways, it won't be comforting.
Can someone tell us what is the healthy or acceptable noise level?
Click to expand...
What noise are you experiencing?
 
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FlyingTexan

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Fidei Defensor said:
Over 85 dB for extended periods can cause hearing loss,,,, But I am not sure how accurate your meter is and at what freuencies this noise is. And the most important factor is the amount of time you are esposed. The 85 db limit is for constant exposure over an entire work shift, which is not the condition when driving a car..
Click to expand...
Db isn’t linear. Something like 70db is twice as loud as 60.
 
Tazzieman

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Noise is not an issue for me , even with RAI and a roof rack. And no , I'm not deaf!
 
Tazzieman

Tazzieman

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You can download a decibel meter app and post results here.
In the interests of keeping this thread going as long as possible.
 
DenisM

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trobex said:
85dB is highly unlikely in any modern car as an average generation... my old Triton was 66-68dB and it was somewhat louder than the Gren. I will have to test this tomorrow!
Click to expand...
Agreed, 85dB is "bloody loud"!! and almost x10 the WH&S threshold (75dB) for mandatory Personal Protective Equipment (PPE) under local legislation....
 
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