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Re: Noise Pollution (was Digest Number 506)

Subject: Re: Noise Pollution (was Digest Number 506)
From: Jim Morgan <>
Date: Mon, 11 Feb 2002 07:37:52 -0700
At 10:57 PM 2/11/02 +1000, you wrote:
>
>> 
>> Wil Hershberger wrote:
>>> 
>>> Dave,
>>> Self adhesive felt makes a wonderful pad on the back of a parabola to
>>> dampen the sound of your fingers.  These can be found in fabric stores
>>> and it seems to me that you can get them in 12"x12" squares.  They seem
>>> to hold up in moist conditions too.
>
>And Walter commented:
>> 
>> I'm pretty good at keeping my fingers off the parabola, but it's much
>> harder to keep rain off. Any suggestions for rain?
>> 
>> Walt
>> 
>> 
>

and Syd Curtis commented:

>How about using some of that hairy stretch fabric as was discussed for
>wind-shields for mics?  Cut a circle of the right size and run elastic
>around the edge so that it fits tightly over the back of the parabola.  Need
>only put it on when rain threatens.

This should help but you would need something over the front so the drops
would not hit the inside of the parabola. When this cover became wet it
might have detrimental effects on sound transmission.
 
Jim Morgan from Arizona here it never rains except when it pours :-)


>
>Syd Curtis in Australia (where it sometimes rains!)
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