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Re: Noiseless Aircraft

Subject: Re: Noiseless Aircraft
From: Volker Widmann <>
Date: Thu, 18 Aug 2005 12:45:15 +0200
At least there is some slight hope for the future.
Where ever I do recordings, even far away from any civilisation noise,
there is always aircraft noise every couple of minutes.
So if people decide to preserve natural soundscapes aircraft noise is
the main issue.

The rubberized asphalt sounds very promising!!

And I very much hope that motorcycles and cars will soon have lower
noise engines.
Technically there should be not a big problem.


Volker




Ed Anson schrieb:

> I just noticed a video clip on the BBC web site. It holds out some hope
> for mitigation of a major source of noise in our soundscapes:
> http://news.bbc.co.uk/2/hi/technology/default.stm
>
> If they could only do the same thing with cars and trucks!
>
> Ed
>

Jim Morgan schrieb: Rubberized asphalt is starting to be used in Arizona
and elsewhere.

See
http://www.azdot.gov/Highways/EEG/QuietRoads/what_is_rubberized_asphalt.asp

I have driven on these rubberized roads and there is a dramatic reduction i=
n
noise and an increase in the smoothness of ride.

Jim


Rob Danielson schrieb:

There are so many harley davidson motorcycles up here, I'm thankful
when I detect the sound of approaching tires. Each harley motorcycle
lasts from 2 to 4 minutes depending on the geography. Each one wipes
the slate. With as many as 10-20 an hour at peak cruising times,
there are times the animals can't slip in a word edgewise.   How
about highways that are off bounds for  trucks and harleys?  Seems
like communities who enjoy the peace would be ready to respond.  Rob
D.


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