My 2S is about as loud as a 172 W/0 the headsets----------------I think??
----- Original Message ----- From: "D F Lively" <riksh...@interl.net> To: "KRnet" <kr...@mylist.net> Sent: Sunday, March 26, 2006 7:28 AM Subject: Re: KR> Cockpit noise > Listees: > > Jim points out (2) verry importent factors when dealing with noise ans 2 > very simple solutions. > > The 1st was the treatment of his 182s tail-cone adding the material > strategically to the "Cone" that looks like a "Giant Megaphone'' in a way > provided "Destructive Interference " to the aircraft shell and the light > weight partition that interferred with length of the vibrating column of > air in the tail cone. The (2) was interfereing with the free movement of > "High Velocity" air which can generate a lot of audible noise and worse > yet inaudible noise that can be stressful and you not even know it. A > plane just moving though the air at 100 to 200 mph can make a lot of that, > just consider a strong wind blowingthrough the tree disrupting the > airflow. > > Don > ------------------------------------------------------------------------ > > > Jim wrote: > >> This may not transfer to wood aircraft however I bought sound deadening >> material from a company called E.A.R it was a sticky foam with an >> aluminum back it stuck on like tape .I did this on my Cessna 182 and got >> more than one comment on how Quiet my airplane was . I put it in the >> center of two bay aft of the cockpit and added a thick paper partition >> aft of that with cut outs for control cables .After I did that I started >> finding small little air leaks. The one thing that made the biggest >> change that was immediately noticeable was adding wind lace around the >> doors. Wind lace looks like a piece of rope with a fabric flange on one >> side that you can bend around curves to fit the opening. >> >> You may want to try this to get a quieter cockpit it sure worked good in >> my Cessna. >> >> Jim B K.R.-2 S Wichita >> _______________________________________ >> Search the KRnet Archives at http://www.maddyhome.com/krsrch/index.jsp >> to UNsubscribe from KRnet, send a message to krnet-le...@mylist.net >> please see other KRnet info at http://www.krnet.org/info.html > _______________________________________ > Search the KRnet Archives at http://www.maddyhome.com/krsrch/index.jsp > to UNsubscribe from KRnet, send a message to krnet-le...@mylist.net > please see other KRnet info at http://www.krnet.org/info.html > > > -- > No virus found in this incoming message. > Checked by AVG Free Edition. > Version: 7.1.385 / Virus Database: 268.3.1/292 - Release Date: 3/24/2006 > >