X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from exchange.carey.wa.edu.au ([118.82.44.212] verified) by logan.com (CommuniGate Pro SMTP 5.4c3j) with ESMTPS id 4950386 for flyrotary@lancaironline.net; Mon, 18 Apr 2011 21:13:12 -0400 Received-SPF: none receiver=logan.com; client-ip=118.82.44.212; envelope-from=stevei@carey.asn.au Received: from exchange.carey.local ([10.10.0.5]) by exchange.carey.local ([10.10.0.5]) with mapi; Tue, 19 Apr 2011 09:12:17 +0800 From: To: Date: Tue, 19 Apr 2011 09:12:32 +0800 Subject: Re: [FlyRotary] Re: Finally! The temps are under control! Thread-Topic: [FlyRotary] Re: Finally! The temps are under control! Thread-Index: Acv+LtIhvbmo9kX0QK+nnkM859EUAA== Message-ID: <29F6B2DA-084B-48C8-BE30-31DB347E0C57@carey.asn.au> References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: en-US Content-Type: multipart/alternative; boundary="_000_29F6B2DA084B48C8BE3031DB347E0C57careyasnau_" MIME-Version: 1.0 --_000_29F6B2DA084B48C8BE3031DB347E0C57careyasnau_ Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable Hi Bill Can we confirm your setup. 5.5" diameter nostrils =3D 23.8 sq inch per side. You have a total of 70 sq inches in so you have another entry apart from th= e nostrils? Steve Izett On 19/04/2011, at 3:23 AM, Bill Bradburry wrote: Tracy, Nothing! It didn=92t exist! The right nostril, 5.5 inch diameter, and a 3 inch scat tube, which came of= f the oil cooler inlet, was all the cool air inlet I had coming to the radi= ator. When I added the 4 inch scat tube from the left nostril, it started = to cool. I now have 27 sq inches of opening feeding the oil cooler, a total of 43 sq= inches of opening feeding the radiator. The cowl outlets total 110 sq inc= hes. So 70 inches in and 110 inches out. Pressure inside the cowl is runn= ing about 5 inches of water. If I found myself in cooler weather, I might = be able to make the last cowl exit opening adjustable (cowl flap). With th= e current and soon expected temps I would never be able to close it, so no = pressure to make it adjustable right now. Bill B ________________________________ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Beh= alf Of Tracy Sent: Monday, April 18, 2011 2:05 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Finally! The temps are under control! Hi Bill, I would have thought 4" scat tube would be on the small side. What was= it before? Tracy On Mon, Apr 18, 2011 at 9:45 AM, Bill Bradburry > wrote: I installed a 4 inch flex tube to bring air from the left nostril over to t= he radiator and that solved the problem! Water temps climb to around 208-9= or so on take off and then they lower to the mid 190s. Oil is running abo= ut 175. Now that I can fly without the fear that I am going to lose the te= mps, I can concentrate on the checks I need to do during the 40 hour flyoff= ! Oat was bout 88 degrees. I am flying off a Class C airport, so temps are always high before I take t= he active. Bill B N249B ________________________________ The contents of this email are confidential and intended only for the named= recipients of this e-mail. If you have received this e-mail in error, you = are hereby notified that any use, reproduction, disclosure or distribution = or the information contained in this e-mail is prohibited. Please notify th= e sender immediately and then delete/destroy the e-mail and any printed cop= ies. All liability for viruses is excluded to the fullest extent of the law= . --_000_29F6B2DA084B48C8BE3031DB347E0C57careyasnau_ Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable Hi Bill

Can we confirm your setup.
5.5" diameter nostrils =3D 23.8 sq inch per side. 
You have a total of 70 sq inches in so you have another entry apart fr= om the nostrils?

Steve Izett

On 19/04/2011, at 3:23 AM, Bill Bradburry wrote:

Tracy,

 

Nothing!  It didn=92t exist!=

 

The right nostril, 5.5 inch diameter, = and a 3 inch scat tube, which came off the oil cooler inlet, was all the co= ol air inlet I had coming to the radiator.  When I added the 4 inch scat tube from the left nos= tril, it started to cool.

 

I now have 27 sq inches of opening fee= ding the oil cooler, a total of 43 sq inches of opening feeding the radiato= r.  The cowl outlets total 110 sq inches.  So 70 inches in and 110 inches out.  Press= ure inside the cowl is running about 5 inches of water.  If I found my= self in cooler weather, I might be able to make the last cowl exit opening = adjustable (cowl flap).  With the current and soon expected temps I would never be able to close it, so no pressure to make i= t adjustable right now.

 

Bill B


From: Rotary motors in aircraft [mai= lto:flyrotary@lancaironline.net] On Behalf Of Tracy
Sent: Monday, April 18, 2011= 2:05 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: Fin= ally! The temps are under control!

 

Hi Bill,
   I would have thought 4" scat tube would be on the small s= ide.   What was it before?

Tracy

On Mon, Apr 18, 2011 at 9:45 AM, Bill Bradburry <bbradburry@bellsouth.net> wrote:

I installed a 4 inch flex tube to bring air from the left nostr= il over to the radiator and that solved the problem!  Water temps climb to aroun= d 208-9 or so on take off and then they lower to the mid 190s.  Oil is= running about 175.  Now that I can fly without the fear that I am goi= ng to lose the temps, I can concentrate on the checks I need to do during the 40 hour flyoff!  Oat was bout 88 degre= es.

I am flying off a Class C airport, so temps are always high bef= ore I take the active. 

 

Bill B  N249B

 

 




The contents of this email a= re confidential and intended only for the named recipients of this e-mail. = If you have received this e-mail in error, you are hereby notified that any= use, reproduction, disclosure or distribution or the information contained in this e-mail is prohibited. Please notify t= he sender immediately and then delete/destroy the e-mail and any printed co= pies. All liability for viruses is excluded to the fullest extent of the la= w.
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