X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from fed1rmmtao101.cox.net ([68.230.241.45] verified) by logan.com (CommuniGate Pro SMTP 5.2.16) with ESMTP id 3863604 for flyrotary@lancaironline.net; Wed, 23 Sep 2009 14:56:26 -0400 Received-SPF: none receiver=logan.com; client-ip=68.230.241.45; envelope-from=alventures@cox.net Received: from fed1rmimpo02.cox.net ([70.169.32.72]) by fed1rmmtao101.cox.net (InterMail vM.8.00.01.00 201-2244-105-20090324) with ESMTP id <20090923185550.WCLF16492.fed1rmmtao101.cox.net@fed1rmimpo02.cox.net> for ; Wed, 23 Sep 2009 14:55:50 -0400 Received: from BigAl ([72.192.133.78]) by fed1rmimpo02.cox.net with bizsmtp id kJvp1c00J1hf1Cg04JvpvY; Wed, 23 Sep 2009 14:55:49 -0400 X-VR-Score: -100.00 X-Authority-Analysis: v=1.0 c=1 a=GuPC6JO1AAAA:8 a=pGLkceISAAAA:8 a=kviXuzpPAAAA:8 a=HHGDD-5mAAAA:8 a=7g1VtSJxAAAA:8 a=Ia-xEzejAAAA:8 a=iByOhGztiG6um2ZTSuYA:9 a=RudX-MiqlZQCqxKFzfwA:7 a=6jcpR2-sJ7ngE_KxXdX74vDb2FwA:4 a=MSl-tDqOz04A:10 a=4vB-4DCPJfMA:10 a=i1zE5R4R5dEA:10 a=nrb-DuqwdsLbKHyVZ-AA:9 a=ijW170cxJfnbrGl0cfgA:7 a=61ueESK5uq6UQrI64zwP_6zKX2AA:4 X-CM-Score: 0.00 From: "Al Gietzen" To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Noise reduction Date: Wed, 23 Sep 2009 11:55:39 -0800 Message-ID: <6CD7D0907D05495EBDF4B33D257F3D92@BigAl> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_000E_01CA3C44.C534E060" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6838 Importance: Normal Thread-Index: Aco8erHK/SQ624m0TzehPfu8d0S6rwADKgsg In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5579 This is a multi-part message in MIME format. ------=_NextPart_000_000E_01CA3C44.C534E060 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Mike, Mark; and all you going deaf with noisy Rotary engines: =20 Hey; don't blame it on rotary engines:-). I fly quite comfortable with my passive reduction Sennheisers in my = Velocity 20B. People tell me it's quieter than Lycs. =20 Al G =20 I have 2 sets of Halo Tubephones from Quiet Technologies, that=20 provide about 30 dB of quieting at 125 Hz, and up to 45 dB at 4,000 Hz=20 and higher. They sell for $360 each at www.quiettechnologies.com, or=20 their booth at OSH. =20 Not connected in any way to them. Just a satisfied customer,=20 especially after flying with my brother who was using his $1,000 Bose=20 headset. We swapped, and both of us found the light Tubephones to be=20 quieter and more comfortable. =20 Phil RV-10 20B in Downers Grove, IL engine + cowling on, lotsa plumbing +=20 wiring to go > > Subject: > Re: [FlyRotary] nothing to report... > From: > Mark Steitle > Date: > Mon, 21 Sep 2009 07:26:25 -0500 > > > Good report Mike. I know what you mean about a quieter muffler. My=20 > ANR headset does a good job of killing the low frequencies, but a poor = > job on the higher frequencies. The rotary has both. So take your=20 > pick, turn the ANR on and listen to the high frequencies, or turn it=20 > off and listen to the low rumble. If I could only find an ANR that=20 > can do both I would be a happy camper.=20 > =20 > Mark > > On Sun, Sep 20, 2009 at 10:55 PM, Mike Wills > wrote: > > I added another 1.3 hours to my total flight time today. And for > the first time I landed and was completely satisfied with the > flight. I'd still like to quiet it down a little, but this was the > first flight where I didnt feel like there was anything that had > to be fixed before the next flight. Even the landing was pretty > decent. > =20 > I've got just over 9 hours of flight time and about 40 hours of > engine run time now. So far all of my flight time has been > directly over the airport because to venture away requires flying > over about 50 miles of mostly unlandable mountainous terrain. But > I'm starting to think seriously about stretching the legs a = little... > =20 > Mike Wills > RV-4 N144MW > > > > = ------------------------------------------------------------------------ > > Subject: > Re: [FlyRotary] Re: nothing to report... > From: > Steve Thomas > Date: > Mon, 21 Sep 2009 07:41:57 -0700 > > > Mark, > > Which ANR do you use? > > Best Regards, > > Steve Thomas > _______________________________________________________ > > =20 -- Homepage: http://www.flyrotary.com/ Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/List.html ------=_NextPart_000_000E_01CA3C44.C534E060 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Mike, Mark; and all you going deaf with noisy Rotary = engines:

 

Hey; = don’t blame it on rotary enginesJ.

I fly quite = comfortable with my passive reduction Sennheisers in my Velocity 20B.

People tell = me it’s quieter than Lycs.

 <= /font>

Al = G

 <= /font>

    I have 2 sets of Halo Tubephones from Quiet Technologies, that =

provide about 30 dB of quieting at 125 Hz, and up to 45 dB at 4,000 Hz =

and higher.  They sell for $360 each at www.quiettechnologies.com, or =

their booth at OSH.

 

    Not connected in any way to them.  Just a satisfied customer, =

especially after flying with my brother who was using his $1,000 Bose =

headset.  We swapped, and both of us found the light Tubephones to be =

quieter and more comfortable.

 

Phil

RV-10 20B in Downers Grove, IL  engine + cowling on, lotsa plumbing +

wiring to go

>

> Subject:

> Re: [FlyRotary] nothing to report...

> From:

> Mark Steitle <msteitle@gmail.com>

> Date:

> Mon, 21 Sep 2009 07:26:25 -0500

>

>

> Good report Mike.  I know what you mean about a quieter = muffler.  My

> ANR headset does a good job of killing the low frequencies, but a poor =

> job on the higher frequencies.  The rotary has both.  So take = your

> pick, turn the ANR on and listen to the high frequencies, or turn it =

> off and listen to the low rumble.  If I could only find an ANR that =

> can do both I would be a happy camper.

> 

> Mark

>

> On Sun, Sep 20, 2009 at 10:55 PM, Mike Wills = <rv-4mike@cox.net

> <mailto:rv-4mike@cox.net>> wrote:

>

>     I added another 1.3 hours to my total flight time today. And = for

>     the first time I landed and was completely satisfied with = the

>     flight. I'd still like to quiet it down a little, but this was = the

>     first flight where I didnt feel like there was anything that = had

>     to be fixed before the next flight. Even the landing was = pretty

>     decent.

>     

>     I've got just over 9 hours of flight time and about 40 hours = of

>     engine run time now. So far all of my flight time has = been

>     directly over the airport because to venture away requires = flying

>     over about 50 miles of mostly unlandable mountainous terrain. = But

>     I'm starting to think seriously about stretching the legs a = little...

>     

>     Mike Wills

>     RV-4 N144MW

>

>

>

> ------------------------------------------------------------------------<= /span>

>

> Subject:

> Re: [FlyRotary] Re: nothing to report...

> From:

> Steve Thomas <glasair2@me.com>

> Date:

> Mon, 21 Sep 2009 07:41:57 -0700

>

>

> Mark,

>

> Which ANR do you use?

>

> Best Regards,

>

> Steve Thomas

> _______________________________________________________

=

>

>

 

--

Homepage:  http://www.flyrotary.com/

Archive and UnSub:   http://mail.lancaironline.net:81/lists/flyrotary/List.html<= /p>

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