I break wind IN my Vanagon, does that help?

Eric Zeno wrote:

> But how do you reduce road noise? Different tires?
>
> Most of this is from wind.   This is one of the
> leading reasons that the Vanagon was discontinued.
> YOu need to add a nose to the body to break the
> wind before the passenger compartment.  Good luck
> with this one....          Eric
>
>
>
>
> Reinhard Vehring wrote:
>
>> The aerodynamic discussion has gotten me on to my
>> favorite topic of late: noise reduction. I know there
>> is plenty of stuff in the archives, but lots of this
>> isn't objective. It's pretty normal to believe your
>> vanagon is MUCH quiter after you spent a whole weekend
>> putting sound deadening stuff into the doors. (Tell me
>> about it) Well,I got myself a sound level meter and
>> went hunting for the noise. After some quick victories
>> (like insulating the rear hatch: it takes 3 dB off the
>> engine noise)I'm now stuck. The main source of noise
>> in  my vanagon is road noise: 80 dBA at 65 mph on a
>> reasonably smooth highway. Same rpm (about 3600) in
>> 2nd gear and the noise is down to 73 dBA, huge
>> difference. Bottom line, there is no point in trying
>> to reduce engine noise any further.
>> But how do you reduce road noise? Different tires?
>> Haven't heard of anyone MEASURING the difference. It
>> would be nice to hear from other listmembers how noisy
>> their vanagon is. A meter from ebay or radioshack is
>> cheap. All we'd have to do is agree on a measurement
>> position. I usually just put the meter next to the
>> gauge cluster on the dash, facing forward.
>> I also use the meter to measure the frequency response
>> of the vanagon interior and equalize my stereo. I'm
>> still thinking with the large interior the vanagon
>> could be a great vehicle for HIFI car stereo, but I
>> need to find a way to reduce the noise. 80 dBA is just
>> too much. BTW I already know that the best way of
>> reducing road noise is to slow down :-) Actually best
>> is not to move at all.
>> Reinhard , 83 Westy "Moose"
>>
>>
>>
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