X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from poplet2.per.eftel.com ([203.24.100.45] verified) by logan.com (CommuniGate Pro SMTP 5.2.16) with ESMTP id 3872554 for flyrotary@lancaironline.net; Fri, 02 Oct 2009 16:14:24 -0400 Received-SPF: none receiver=logan.com; client-ip=203.24.100.45; envelope-from=lendich@aanet.com.au Received: from sv1-1.aanet.com.au (sv1-1.per.aanet.com.au [203.24.100.68]) by poplet2.per.eftel.com (Postfix) with ESMTP id 7BE6317380E for ; Sat, 3 Oct 2009 04:13:46 +0800 (WST) Received: from ownerf1fc517b8 (203.171.92.134.static.rev.aanet.com.au [203.171.92.134]) by sv1-1.aanet.com.au (Postfix) with SMTP id 8B089BEC007 for ; Sat, 3 Oct 2009 04:13:44 +0800 (WST) Message-ID: From: "George Lendich" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Quiet is Deafening Date: Sat, 3 Oct 2009 06:13:46 +1000 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_000E_01CA43F0.AAC1F390" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5843 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5579 X-Antivirus: avast! (VPS 091001-0, 10/01/2009), Outbound message X-Antivirus-Status: Clean This is a multi-part message in MIME format. ------=_NextPart_000_000E_01CA43F0.AAC1F390 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Fair enough Mike, I know how you feel. George ( down under) George, While I hate the noise and ultimately will need to do something about = it, after 15 years of building I'm ready to fly for a while. I'll leave = the experimentation to somebody else. I was willing to give the DNA a try because it was relatively = inexpensive and being off the shelf, relatively easy. It was also = ineffective. Now if you or somebody else builds your design and proves = it works I'd be willing to give it a try, but I dont want to invest my = time to fabricate another failure. I'd give Al's tangential a try if I could figure out how to make it = fit. Mike Wills RV-4 N144MW ----- Original Message -----=20 From: George Lendich=20 To: Rotary motors in aircraft=20 Sent: Thursday, October 01, 2009 2:02 PM Subject: [FlyRotary] Re: Quiet is Deafening Bill, I have net Ian Beadle in Perth, I think his airstrip is slightly NW = of Perth, but didn't get out to the airstrip to see the plane. With all the experimentation on exhausts I'm wondering why people = don't try the exhaust that Bill Jepson and myself designed - I have put = it up here a number of times. Does it appear too difficult !? George ( down under) If you want to have a quiet rotary powered plane, you need to get = someone in Australia to talk with Ian Beadle to see what he has done = with his RV6 powered with a Renesis. This plane is quiet! I don't know where Bindoon is located.. =20 Bindoon Western Australia Melanie takes flight in Ian Beadle RX8 = rotary engine powered RV6 =20 http://www.youtube.com/watch?v=3DuZ4NqGv6SwQ&feature=3Drelated =20 Bill B =20 =20 -------------------------------------------------------------------------= - From: Rotary motors in aircraft = [mailto:flyrotary@lancaironline.net] On Behalf Of Mark Steitle Sent: Thursday, October 01, 2009 11:36 AM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Quiet is Deafening Kelly,=20 =20 You just need to fly at Mach 1 so you stay ahead of the sound. = ;-) =20 Can anyone report on the effectiveness of the tangential muffler = in actual real world situations? (As I recall Al G. is running a = tangential muffler on his Velocity.) I ask because I'm in the process = of building one for my Lancair with the hopes that it will work better = than the DNA muffler that I'm currently running. I think it will work = better at reducing the noise level in the cabin, but at what cost to = power? Hopefully, this will save me the cost of a new Zulu ANR headset. = Comments appreciated. =20 Mark S. On Wed, Sep 30, 2009 at 10:01 PM, Mike Wills = wrote: Kelly, =20 If you think the quiet is deafening go fly behind a rotary - now = thats deafening! =20 Mike Wills RV-4 N144MW ----- Original Message -----=20 From: Kelly Troyer=20 To: Rotary motors in aircraft=20 Sent: Wednesday, September 30, 2009 7:15 AM Subject: [FlyRotary] Quiet is Deafening =20 Anyone out there ??.....................<:) -- Kelly Troyer=20 "Dyke Delta"_13B ROTARY Engine=20 "RWS"_RD1C/EC2/EM2=20 "Mistral"_Backplate/Oil Manifold=20 =20 -------------- Original message from "Patrick Panzera" = : --------------=20 Hey gang! =20 I came across a rare find this weekend. Any serious rotorhead will certainly appreciate this. =20 Bluelines from 1973 of the General Motors Wankel Rotary = engine. =20 I just put them up on eBay =20 http://tinyurl.com/GM-Rotary-drawings =20 Pat =20 =20 ------=_NextPart_000_000E_01CA43F0.AAC1F390 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Fair enough Mike, I know how you = feel.
George ( down under)
George,
 
 While I hate the noise and = ultimately will=20 need to do something about it, after 15 years of building I'm ready to = fly for=20 a while. I'll leave the experimentation to somebody else.
 
 I was willing to give the DNA a = try because=20 it was relatively inexpensive and being off the shelf, relatively = easy. It was=20 also ineffective. Now if you or somebody else builds your design and = proves it=20 works I'd be willing to give it a try, but I dont want to invest my = time to=20 fabricate another failure.
 
 I'd give Al's tangential a try = if I could=20 figure out how to make it fit.
 
Mike Wills
RV-4 N144MW
----- Original Message -----
From:=20 George=20 Lendich
To: Rotary motors in = aircraft=20
Sent: Thursday, October 01, = 2009 2:02=20 PM
Subject: [FlyRotary] Re: = Quiet is=20 Deafening

Bill,
I have net Ian Beadle in Perth, I = think his=20 airstrip is slightly NW of Perth, but didn't get out to the airstrip = to see=20 the plane.
 
With all the experimentation on = exhausts I'm=20 wondering why people don't try the exhaust that Bill Jepson and = myself=20 designed - I have put it up here a number of times.
Does it appear too difficult = !?
George ( down under)

 If you want to have a quiet rotary = powered=20 plane, you need to get someone in Australia to talk = with Ian=20 Beadle to see what he has done with his RV6 powered with a=20 Renesis.

This plane is quiet!  I don=92t = know where=20 Bindoon is located=85.

 

Bindoon = Western=20 Australia Melanie takes flight in Ian Beadle RX8 rotary engine = powered=20 RV6

 

http://www.youtube.com/watch?v=3DuZ4NqGv6SwQ&feature=3Drelated=

 

Bill B

 

 

From:=20 Rotary motors in = aircraft=20 [mailto:flyrotary@lancaironline.net] On=20 Behalf Of Mark Steitle
Sent: Thursday, October 01, = 2009=20 11:36 AM
To:=20 Rotary motors in=20 aircraft
Subject: [FlyRotary] Re: = Quiet is=20 Deafening

Kelly, =

 

You just need to fly at Mach 1 so you = stay ahead=20 of the sound.  ;-)

 

Can anyone report on the effectiveness = of the=20 tangential muffler in actual real world situations?  (As I = recall Al=20 G. is running a tangential muffler on his Velocity.)  I ask = because=20 I'm in the process of building one for my Lancair with the hopes = that it=20 will work better than the DNA muffler that I'm currently = running.  I=20 think it will work better at reducing the noise level in the = cabin, but at=20 what cost to power?  Hopefully, this will save me the cost of = a new=20 Zulu ANR headset.  Comments=20 appreciated.

 

Mark=20 S.

On Wed, Sep 30, 2009 at 10:01 PM, Mike = Wills=20 <rv-4mike@cox.net>=20 wrote:

Kelly,

 

 If you think = the quiet=20 is deafening go fly behind a rotary - now thats=20 deafening!

 

Mike = Wills

RV-4 = N144MW

----- Original = Message -----=20

From: Kelly=20 Troyer

To: Rotary motors in=20 aircraft

Sent:=20 Wednesday, September 30, 2009 7:15 = AM

Subject:=20 [FlyRotary] Quiet is = Deafening

 

Anyone out there=20 ??.....................<:)

--
Kelly=20 Troyer
"Dyke Delta"_13B ROTARY Engine
"RWS"_RD1C/EC2/EM2 =
"Mistral"_Backplate/Oil Manifold=20


 

-------------- Original message from = "Patrick=20 Panzera" <panzera@experimental-aviation.com>:=20 --------------

Hey = gang!

 

I = came across=20 a rare find this weekend.

Any = serious=20 rotorhead will certainly appreciate = this.

 

Bluelines=20 from 1973 of the General Motors Wankel Rotary=20 engine.

 

I = just put=20 them up on eBay

 

http://tinyurl.com/GM-Rotary-drawings

 

Pat

 

 

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