X-Virus-Scanned: clean according to Sophos on Logan.com X-PolluStop-Diagnostic: (direct reply)\eX-PolluStop-Score: 0.00\eX-PolluStop: Scanned with Niversoft PolluStop 2.1 RC1, http://www.niversoft.com/pollustop Return-Path: Received: from imf17aec.mail.bellsouth.net ([205.152.59.65] verified) by logan.com (CommuniGate Pro SMTP 4.3c4) with ESMTP id 864350 for flyrotary@lancaironline.net; Sun, 10 Apr 2005 20:25:18 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.65; envelope-from=sqpilot@bellsouth.net Received: from paul52u7f5qyav ([209.214.44.228]) by imf17aec.mail.bellsouth.net (InterMail vM.5.01.06.11 201-253-122-130-111-20040605) with SMTP id <20050411002430.HWWH4997.imf17aec.mail.bellsouth.net@paul52u7f5qyav> for ; Sun, 10 Apr 2005 20:24:30 -0400 Message-ID: <000a01c53e2c$c93f5020$e42cd6d1@paul52u7f5qyav> From: "Paul" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: SQ2000 flying again Date: Sun, 10 Apr 2005 19:24:11 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0007_01C53E02.DF7F8460" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2180 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 This is a multi-part message in MIME format. ------=_NextPart_000_0007_01C53E02.DF7F8460 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MessageHi, Rusty....yes, the air is dumped directly into the cowling in = the vicinity of the throttle body. I reduced the throttle to 4900 rpm's, = and temps did not come down in the climb. Prior to installing the ram = air scoop, my temps would actually drop during a climb at 4900 rpm's, so = I believe the ram air scoop to be the culprit. I have a NACA duct and = some 3 inch tubing on the way. I am going to build an airtight plenum = over the throttlebody and the NACA duct/sceet tubing will deliver fresh = air to the throttlebody ONLY and not dump it into the low pressure area = of the cowling, thus inhibiting my cooling. I guess that's why they = call it experimental. Paul Conner ----- Original Message -----=20 From: Russell Duffy=20 To: Rotary motors in aircraft=20 Sent: Sunday, April 10, 2005 8:40 AM Subject: [FlyRotary] Re: SQ2000 flying again I will try sealing around the radiator first. If that fails to bring = the temps down, I will try removing the ram air scoop and installing a = NACA scoop with a hose to bring air directly to the throttlebody, and = not dump it into the low pressure area of the cowling. =20 Hi Paul, I was just about to ask if anyone had heard from you recently. I = thought maybe you HAD taken up golf of fishing :-) =20 Are you saying that your new scoop dumps air into the cowl, in the = vicinity of the TB? In other words, not directly to it via some sort of = duct. If that's the case, it could certainly be a problem, but you'd = think it would affect the oil temp as well. Still, the temps you posted = aren't bad, as long as you were climbing at full throttle, and to a = reasonable altitude. =20 Rusty (thinking of thermostats and cowl flaps) -------------------------------------------------------------------------= ----- No virus found in this incoming message. Checked by AVG Anti-Virus. Version: 7.0.308 / Virus Database: 266.9.5 - Release Date: 4/7/2005 ------=_NextPart_000_0007_01C53E02.DF7F8460 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message
Hi, Rusty....yes, the air is dumped = directly into=20 the cowling in the vicinity of the throttle body. I reduced the throttle = to 4900=20 rpm's, and temps did not come down in the climb. Prior to installing the = ram air=20 scoop, my temps would actually drop during a climb at 4900 rpm's, so I = believe=20 the ram air scoop to be the culprit.  I have a NACA duct and some 3 = inch=20 tubing on the way. I am going to build an airtight plenum over the = throttlebody=20 and the NACA duct/sceet tubing will deliver fresh air to the = throttlebody ONLY=20 and not dump it into the low pressure area of the cowling, thus = inhibiting my=20 cooling.  I guess that's why they call it experimental.   = Paul=20 Conner
----- Original Message -----
From:=20 Russell=20 Duffy
Sent: Sunday, April 10, 2005 = 8:40=20 AM
Subject: [FlyRotary] Re: SQ2000 = flying=20 again

I will try sealing around the = radiator=20 first. If that fails to bring the temps down, I will try removing the = ram air=20 scoop and installing a NACA scoop with a hose to bring air directly to = the=20 throttlebody, and not dump it into the low pressure area of the=20 cowling.   
 
Hi Paul,
 
I was just about to ask if anyone had heard = from you=20 recently.  I thought maybe you HAD taken up golf of fishing=20 :-)  
 
Are you saying that your new = scoop dumps air=20 into the cowl, in the vicinity of the TB?  In other words, not = directly=20 to it via some sort of duct.  If that's the case, it=20 could certainly be a problem, but you'd think it = would affect the=20 oil temp as well.  Still, the temps you posted aren't bad, as = long as you=20 were climbing at full throttle, and to a reasonable=20 altitude.  
 
Rusty (thinking of thermostats and cowl=20 flaps)

No virus found in this incoming message.
Checked by AVG=20 Anti-Virus.
Version: 7.0.308 / Virus Database: 266.9.5 - Release = Date:=20 4/7/2005
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