X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from QMTA09.emeryville.ca.mail.comcast.net ([76.96.30.96] verified) by logan.com (CommuniGate Pro SMTP 5.2.0) with ESMTP id 2777544 for flyrotary@lancaironline.net; Tue, 04 Mar 2008 23:31:53 -0500 Received-SPF: none receiver=logan.com; client-ip=76.96.30.96; envelope-from=gregw@onestopdesign.biz Received: from OMTA01.emeryville.ca.mail.comcast.net ([76.96.30.11]) by QMTA09.emeryville.ca.mail.comcast.net with comcast id xGVm1Y00E0EPchoA900100; Wed, 05 Mar 2008 04:30:13 +0000 Received: from gregoryii ([24.6.40.29]) by OMTA01.emeryville.ca.mail.comcast.net with comcast id xGWw1Y0060dkeQQ8M00000; Wed, 05 Mar 2008 04:30:57 +0000 X-Authority-Analysis: v=1.0 c=1 a=h7OD4YZ1DpoA:10 a=7g1VtSJxAAAA:8 a=Ia-xEzejAAAA:8 a=KxKxJRmkkdrcAuuYHfgA:9 a=oLxvcfKSBZRAES4vvfwA:7 a=KSHJrMT4yQllVr4tB12yaXEozUsA:4 a=WN8zLioqDSwA:10 a=O83LbjhD_GyYR-5MoyYA:9 a=6baoh0PtRT21IGC3n14A:7 a=K57__ksHlhJ-q4AXfwlv2XyS1AYA:4 a=4vB-4DCPJfMA:10 a=EzXvWhQp4_cA:10 a=Hs9J3SXIuHcA:10 a=AfD3MYMu9mQA:10 Message-ID: <006201c87e7a$0be0c950$8801a8c0@yosemite.onestopdesign.biz> From: "Greg Ward" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Exhaust? was [FlyRotary] engine installation pictures Date: Tue, 4 Mar 2008 20:33:22 -0800 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_005F_01C87E36.FD56FF50" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.3138 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3198 This is a multi-part message in MIME format. ------=_NextPart_000_005F_01C87E36.FD56FF50 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Yeah, and my friend in SoCal, the Racer again, says that the 20B racers = down there wrap, and it really helps. But then again, racers...... Greg ----- Original Message -----=20 From: Mike Wills=20 To: Rotary motors in aircraft=20 Sent: Tuesday, March 04, 2008 7:45 PM Subject: [FlyRotary] Re: Exhaust? was [FlyRotary] engine installation = pictures What's the current consensus opinion on tape wraps on exhaust pipes? I = remember a few years ago there was a case of an exhaust system failure = on a canard that resulted in a crash. The theory (I believe) was the = tape contained the heat, the pipe overheated and some welds failed. The website for Zetex mentions NASCAR applications for exhaust system = wraps. Mike ----- Original Message -----=20 From: H & J Johnson=20 To: Rotary motors in aircraft=20 Sent: Monday, March 03, 2008 8:33 PM Subject: [FlyRotary] Re: Exhaust? was [FlyRotary] engine = installation pictures Anyone on here use Zetex? It's supposed to do wonders for exhaust = which is routed near fiberglass. Just use high temp Silicone to bond it to the cowl = [and/or duct] and it solves all your problems.. I know there was guys over on the Lancair = side of the list who where doing group buy's.. not sure if any of it is left to go = around.. It's supposed to be as good as kevlar is bullet proof.. FWIW Jarrett > Yep, it's on the list. The exhaust is even closer to the cowl.=20 > Still need to decide what to do about that.=20 >=20 > Mike=20 > ----- Original Message -----=20 > From: Ed Anderson=20 > To: Rotary motors in aircraft=20 > Sent: Monday, March 03, 2008 5:37 AM=20 > Subject: [FlyRotary] Exhaust? was [FlyRotary] engine=20 > installation pictures=20 >=20 >=20 > Really looks nice and clean, Mike. Good job!=20 >=20 > If you can run 10 minutes at 5300 rpm on the ground and not get=20 > above 180F then its unlikely you'll have any cooling problems in=20 > the air. Although, I have found out what works on the ground and=20 > what works in the air aren't always the same. For instance,=20 > depending on how the exit from your radiator is orientated, higher = > pressure on the underside of the cowl during a climb could impede=20 > air flow. But, for now I would say, looks like you are going to=20 > be another one to get into the air without the "traditional"=20 > temperature issues.=20 >=20 > One thing I do have a question about. It "appears" that your=20 > exhaust stack runs fairly close to your radiator enclosure (which=20 > I presume is fiberglass). I think I would put a thin sheet of SS=20 > between the exhaust and your radiator plenum. =20 >=20 > Ed=20 > ----- Original Message -----=20 > From: Mike Wills=20 > To: Rotary motors in aircraft=20 > Sent: Sunday, March 02, 2008 11:52 PM=20 > Subject: [FlyRotary] engine installation pictures=20 >=20 >=20 > Here are a couple of pictures of my engine install. Had a=20 > couple of engine runs today including one run at full power (5300=20 > RPM static) for about 10 minutes. Temps came up to 180 and stopped = > climbing. Things are starting to come together now. Starting to=20 > have some confidence in this thing.=20 >=20 > Mike Wills=20 > RV-4 N144MW=20 >=20 >=20 >=20 -- Homepage: http://www.flyrotary.com/ Archive and UnSub: = http://mail.lancaironline.net:81/lists/flyrotary/List.html ------=_NextPart_000_005F_01C87E36.FD56FF50 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Yeah, and my friend in SoCal, the Racer again, = says that=20 the 20B racers down there wrap, and it really helps.  But then = again,=20 racers......
Greg
----- Original Message -----
From:=20 Mike = Wills
Sent: Tuesday, March 04, 2008 = 7:45=20 PM
Subject: [FlyRotary] Re: = Exhaust? was=20 [FlyRotary] engine installation pictures

What's the current consensus opinion = on tape=20 wraps on exhaust pipes? I remember a few years ago there was a case of = an=20 exhaust system failure on a canard that resulted in a crash. The = theory (I=20 believe) was the tape contained the heat, the pipe overheated and = some=20 welds failed.
 
The website for Zetex mentions NASCAR = applications for exhaust system wraps.
 
Mike
----- Original Message -----
From:=20 H & J=20 Johnson
To: Rotary motors in = aircraft=20
Sent: Monday, March 03, 2008 = 8:33=20 PM
Subject: [FlyRotary] Re: = Exhaust? was=20 [FlyRotary] engine installation pictures

Anyone on here use Zetex? It's supposed to do wonders for = exhaust=20 which is routed near

fiberglass. Just use high temp Silicone to bond it to the = cowl=20 [and/or duct] and it

solves all your problems.. I know there was guys over on = the=20 Lancair side of the list

who where doing group buy's.. not sure if any of it is = left to go=20 around.. It's supposed to

be as good as kevlar is bullet proof..

FWIW

Jarrett

 

> Yep, it's on the list. The exhaust is even closer to the = cowl.=20
> Still need to decide what to do about that.
> =
> Mike=20
>  ----- Original Message -----
>  From: Ed = Anderson=20
>  To: Rotary motors in aircraft
>  Sent: = Monday,=20 March 03, 2008 5:37 AM
>  Subject: [FlyRotary] Exhaust? = was=20 [FlyRotary] engine
> installation pictures
>
>=20
>  Really looks nice and clean, Mike.  Good job! =
>=20
>  If you can run 10 minutes at 5300 rpm on the ground = and not=20 get
> above 180F then its unlikely you'll have any cooling = problems=20 in
> the air.  Although, I have found out what works on = the=20 ground and
> what works in the air aren't always the = same.  For=20 instance,
> depending on how the exit from your radiator is=20 orientated, higher
> pressure on the underside of the cowl = during a=20 climb could impede
> air flow.  But, for now I would = say, looks=20 like you are going to
> be another one to get into the air = without=20 the "traditional"
> temperature issues.
> =
>  One=20 thing I do have a question about.  It "appears" that your =
>=20 exhaust stack runs fairly close to your radiator enclosure (which =
> I=20 presume is fiberglass).  I think I would put a thin sheet of SS =
> between the exhaust and your radiator plenum.  =
>=20
>  Ed
>    ----- Original Message = -----=20
>    From: Mike Wills =
>    To:=20 Rotary motors in aircraft
>    Sent: Sunday, = March 02,=20 2008 11:52 PM
>    Subject: [FlyRotary] engine = installation pictures
>
>
>    = Here are=20 a couple of pictures of my engine install. Had a
> couple of = engine=20 runs today including one run at full power (5300
> RPM = static) for=20 about 10 minutes. Temps came up to 180 and stopped
> = climbing. Things=20 are starting to come together now. Starting to
> have some = confidence=20 in this thing.
>
>    Mike Wills=20
>    RV-4 N144MW
>
>
> = 

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