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Re: Europa-List: Re: Cork insulation for noise reduction

Subject: Re: Europa-List: Re: Cork insulation for noise reduction
From: Pete Zut <peterz@zutrasoft.com>
Date: Tue, 12 Sep 2023 06:19:38
Indeed when I changed to the softer industry-std Lords for engine mounts,
my cabin noise decreased markedly.  I find that at anything over 120knots
and the airstream noise is greater than the engine noise. Prop noise (3
blade CS E-prop) is also noticeable over the engine noise.

Cheers,
PeteZ

On Tue, Sep 12, 2023 at 6:11=AFAM JohnFrance <77alembert@gmail.com> w
rote:

>
> Having flown a couple of hours recently in a friend=99s WT9 I was a
mazed how
> quiet it is compared to my Europa. In the WT9 a conversation is possible
> even without headsets  whereas my Europa is very uncomfortable with
> headsets removed.
> I think there is a lot of direct noise transmission through the engine
> mounts as the rubber mounts are very hard and let=99s face it arriv
es in the
> cockpit under our feet.
> Does anyone have any information on what lining all the front facing
> inside walls  of the cockpit module with 3mm of cork might have on sound
> attenuation?
>
> --------
> Europa mono Nr 192
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=511421#511421
>
>
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