Mike,
My first line of defense against the noise is an ANR headset. That's a given.
I purchased some black foam from ACS that I installed on the interior walls and floor. From what I've read a lot of the noise comes in through the firewall and windows. Not much you can do about the windows, but it seems that a generous amount of soundproofing on the firewall will help the most.
Lastly, you can turn the exhaust down so that it is directed away from the occupants? Or, run it back behind the pax, and fly faster than the speed of sound so it can't catch up to you.
Mark S.
On Sat, Sep 12, 2009 at 10:15 AM, Mike Wills <rv-4mike@cox.net> wrote:
I asked a few days ago and got no replies. Since things are a bit slow on the list now I'll try again. Anyone have any recommendations for a decent soundproofing material that I can add to my firewall and floorboards to tame this racket? Maybe the rest of the world will have to deal with the noise, but at least I can try to make it a little more pleasant for me.
Mike Wills
RV-4 N144MW
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