X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from bay0-omc1-s14.bay0.hotmail.com ([65.54.246.86] verified) by logan.com (CommuniGate Pro SMTP 5.1c.2) with ESMTP id 1222268 for flyrotary@lancaironline.net; Mon, 03 Jul 2006 12:19:11 -0400 Received-SPF: pass receiver=logan.com; client-ip=65.54.246.86; envelope-from=lors01@msn.com Received: from hotmail.com ([65.54.250.84]) by bay0-omc1-s14.bay0.hotmail.com with Microsoft SMTPSVC(6.0.3790.1830); Mon, 3 Jul 2006 09:18:26 -0700 Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Mon, 3 Jul 2006 09:18:26 -0700 Message-ID: Received: from 4.171.150.125 by BAY115-DAV12.phx.gbl with DAV; Mon, 03 Jul 2006 16:18:24 +0000 X-Originating-IP: [4.171.150.125] X-Originating-Email: [lors01@msn.com] X-Sender: lors01@msn.com From: "Tracy Crook" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Sealing plenum to oil and water coolers Date: Mon, 3 Jul 2006 12:18:16 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0122_01C69E9A.C3553010" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: MSN 9 X-MimeOLE: Produced By MSN MimeOLE V9.20.0029.3000 Seal-Send-Time: Mon, 3 Jul 2006 12:18:16 -0400 X-OriginalArrivalTime: 03 Jul 2006 16:18:26.0295 (UTC) FILETIME=[502F3870:01C69EBC] Return-Path: lors01@msn.com This is a multi-part message in MIME format. ------=_NextPart_000_0122_01C69E9A.C3553010 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable ----- Original Message -----=20 From: Bill Bradburry=20 To: Rotary motors in aircraft=20 Sent: Monday, July 03, 2006 10:35 AM Subject: [FlyRotary] Re: Sealing plenum to oil and water coolers On Thu, 29 Jun 2006 09:24:04 -0400 "Ed Anderson" = > wrote: > Bill, I am using a rubber strip glued to the end of fiberglass duct. It > seals well at static and I have some reinforcing layers of = fiberglass around > the end next to the core to stiffen it a bit. Now at 200 MPH I may get some > blow-by, but at that speed, I probably have excess cooling air. > > Ed Hi Ed, What kind of glue did you use? I have been told that shoe goo is wonderful stuff and will stick to anything. Well, it doesn't stick to silicone baffle material very = well at all! I used rubber cement, and it works much better, but I'm not sure it will hold up to repeated installations. You may be using a different material for the seal, but I thought I would ask. Thanks, Bob W. I discovered that the max temperature of Velcro is 200 C. Has anyone tried using Velcro to attach the fiberglas plenum to the coolers? = This temperature is twice the normal temperature of the oil and water...The only consideration should be the glue on the backing of the Velcro?? Any comments on this application? Bill Bradburry Velcro? How often do you anticipate removing these things? : ) Really, RTV works great and can be removed on those rare occasions = when required (haven't had one in 12 years of flying rotaries though). Tracy=20 ------=_NextPart_000_0122_01C69E9A.C3553010 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

----- Original Message -----

From: Bill Bradburry

To: Rotary motors in = aircraft

Sent: Monday, July 03, 2006 = 10:35=20 AM

Subject: [FlyRotary] Re: = Sealing plenum=20 to oil and water coolers

On Thu, 29 Jun 2006 09:24:04 -0400
"Ed Anderson" <eanderson@carolina.rr.com&g= t;=20 wrote:

> Bill, I am using a rubber strip glued to the end of = fiberglass duct.
It
> seals well at static and I have some=20 reinforcing layers of fiberglass
around
> the end next to the = core to=20 stiffen it a bit. Now at 200 MPH I may
get some
> = blow-by, but=20 at that speed, I probably have excess cooling air.
>
>=20 Ed

Hi Ed,

What kind of glue did you use?

I have = been told=20 that shoe goo is wonderful stuff and will stick to
anything. = Well, it=20 doesn't stick to silicone baffle material very well
at all! I = used=20 rubber cement, and it works much better, but I'm not
sure it will = hold up=20 to repeated installations. You may be using a
different = material for=20 the seal, but I thought I would ask.

Thanks,
Bob W.

I = discovered that the max temperature of Velcro is 200 C. Has=20 anyone
tried using Velcro to attach the fiberglas plenum to the=20 coolers? This
temperature is twice the normal temperature of = the oil=20 and water...The
only consideration should be the glue on the = backing of the=20 Velcro??
Any comments on this application?
Bill = Bradburry

Velcro? How often do you anticipate removing these = things? :=20 )

Really, RTV works great and can be removed on those rare = occasions when=20 required (haven't had one in 12 years of flying rotaries = though).

Tracy

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