X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mail-bw0-f52.google.com ([209.85.214.52] verified) by logan.com (CommuniGate Pro SMTP 5.4c2) with ESMTPS id 4912999 for flyrotary@lancaironline.net; Sun, 20 Mar 2011 19:59:10 -0400 Received-SPF: pass receiver=logan.com; client-ip=209.85.214.52; envelope-from=dmlobner@gmail.com Received: by bwj24 with SMTP id 24so4593617bwj.25 for ; Sun, 20 Mar 2011 16:58:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:in-reply-to:references:date :message-id:subject:from:to:content-type; bh=0WIfnqkmLfVbUEIpbHc0f37G7dq1rkB7I83Fbv/02Qw=; b=Tfsqco2RYBq/RdryoUTDqynpg+rTDWGwWmFAWQKx/suXRwZuUlAJvYjne+dwxFFD0f YRhZyg0hB+0jwUtgN9wGVsJ8OLDERKu8GHX08hLUfZVUsVHw/GYAceyojLzp3qgReJv4 1k31C+/NEOtiNzEeCTAkj7ueM5GbPpFKGYchc= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; b=O42K5eRE4bBpoR0F0olkhMM32UDiuCRFbcCN69L7LXTHw9WqudAgUJdJv9jADvHoBw ZPK4DXK/D9QlJefuHyvpbRrb0D6xwgqS4QXRgbDZG5zsj4O1erzikCWuaAiEwOugiJRV GnRFz0X03J8hN4yf+4B0jQ5OyVhq2TDQ+8DQw= MIME-Version: 1.0 Received: by 10.204.19.10 with SMTP id y10mr3058743bka.190.1300665515384; Sun, 20 Mar 2011 16:58:35 -0700 (PDT) Received: by 10.204.47.25 with HTTP; Sun, 20 Mar 2011 16:58:35 -0700 (PDT) In-Reply-To: References: Date: Sun, 20 Mar 2011 18:58:35 -0500 Message-ID: Subject: Re: [FlyRotary] On the subject of installations... From: Dustin Lobner To: Rotary motors in aircraft Content-Type: multipart/alternative; boundary=000325557406041f09049ef2caac --000325557406041f09049ef2caac Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable Ben Haas of Haas Powerir (does V8 conversions) has a lip on the bottom to create the reduced pressure necessary to "suck" the air through the radiator. He put out a 30 minute video explaining the conversion (that being part of it), I don't know where it is. Try youtube maybe... Dustin On Sun, Mar 20, 2011 at 4:29 PM, Bill Bradburry w= rote: > My water temp has been running between 199 and 217, depending on the > OAT. The oil is pretty steady at around 175. Today I finally got to fly > with pressure probes inside the cowling. I was all set to try and enlarg= e > the inlet to the radiator to solve the problem. It turns out that =93in= =94 is > not the problem, it is =93out=94 that is the problem! > > > > I have 10 inches of Hg pressure in the radiator inlet and 10 inches of Hg > on the outlet side as well as the same pressure everywhere I measured ins= ide > the cowl. I need to open up the cowl some so more air can get out. I ha= d > considered a cowl flap but that would not work in this instance because t= he > problem is at cruise. I need a permanent opening. I am considering louv= ers > and I am looking for a source. I know some of you are using them. Where > did you get them and how are they installed so that they look ok? > > > > I am also considering some kind of flare around the exit area to create a > low pressure area to help suck air out. Do any of you have those and do > they seem to work? > > > > While I look into this, I also need to do something about my muffler=85Th= ank > you, Bobby! > > > > I wonder about that spiral muffler some of you are trying?? > > > > Bill B 9 hours and counting=85 > > > > By the way, I was considering putting a 1 or 2 inch wide piece of cardboa= rd > across the bottom of the oil cooler to partially block it in the hopes th= at > more air would then flow through the radiator. Sort of like truckers do > with the radiator in cold weather. What opinions do you have about that > idea? I realize it would make more sense if the oil was really cool, but= I > think the oil might not get much hotter if an inch or so was blocked. Wh= at > do you think??? > --000325557406041f09049ef2caac Content-Type: text/html; charset=windows-1252 Content-Transfer-Encoding: quoted-printable Ben Haas of Haas Powerir (does V8 conversions) has a lip on the bottom to c= reate the reduced pressure necessary to "suck" the air through th= e radiator.

He put out a 30 minute video explaining the conversion (= that being part of it), I don't know where it is.=A0 Try youtube maybe.= ..

Dustin

On Sun, Mar 20, 2011 at 4:29 P= M, Bill Bradburry <bbradburry@bellsouth.net> wrote:

My water temp = has been running between 199 and 217, depending on the OAT.=A0 The oil is pretty steady at around 175.=A0 Today I finally got to fly with pressure probes inside the cowling.= =A0 I was all set to try and enlarge the inlet to the radiator to solve the problem.=A0 It turns out that =93in=94 is not the problem, it is =93out=94 that is the problem!

=A0

I have 10 inch= es of Hg pressure in the radiator inlet and 10 inches of Hg on the outlet side as well as the same pressure everywhere I measured inside the cowl.=A0 I need to open up the cowl some so more air can get out.=A0 I had considered a cowl flap but that would not work in this instance because the problem is at cruise.=A0 I need a permanent opening.=A0 I am considering louvers and I am looking for a source.=A0 I know some of you are using them.=A0 Where did you get them and how are they installed so that they look ok?

=A0

I am also cons= idering some kind of flare around the exit area to create a low pressure area to help suck air out.=A0 Do any of you have those and do they seem to work?

=A0

While I look i= nto this, I also need to do something about my muffler=85Thank you, Bobby!

=A0

I wonder about= that spiral muffler some of you are trying??

=A0

Bill B=A0 9 ho= urs and counting=85

=A0

By the way, I = was considering putting a 1 or 2 inch wide piece of cardboard across the bottom of the oil cooler to partially block it in the hopes that more air would then flow through the radiator.=A0 Sort of like truckers do with the radiator in cold weather.=A0 What opinions do you have about that idea?=A0 I realize it would make more sense if the oil was really cool, but I think the oil might= not get much hotter if an inch or so was blocked.=A0 What do you think???


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