| Subject: | Re: Relective properties for DIY projects |
|---|---|
| From: | "Syd Curtis" |
| Date: | Fri May 26, 2006 4:49am(PDT) |
About forty years ago the Zool. Prof. at our local university was successfully using and umbrella reflector. Said the critical thing was the paint he applied to the fabric to make it reflect the sound. Unfortunately= , I don't know what the paint was. For what it's worth. Syd Curtis (Brisbane, Australia) > From: Greg Clark <> > Reply-To: > Date: Thu, 25 May 2006 10:06:40 -0700 > To: > Subject: Re: [Nature Recordists] Re: Relective properties for DIY project= s > > > Parabolic reflectors that have a hard surface absorb less sound than > materials like cloth. You can make a reflector out of an umbrella and it > will provide some gain, but cloth is not as good as polycarbonate plastic= . |
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