X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: <13brv3@bellsouth.net> Received: from imf20aec.mail.bellsouth.net ([205.152.59.68] verified) by logan.com (CommuniGate Pro SMTP 5.0.3) with ESMTP id 860305 for flyrotary@lancaironline.net; Fri, 02 Dec 2005 08:45:22 -0500 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.68; envelope-from=13brv3@bellsouth.net Received: from ibm62aec.bellsouth.net ([65.6.194.9]) by imf20aec.mail.bellsouth.net with ESMTP id <20051202134038.FGUL14587.imf20aec.mail.bellsouth.net@ibm62aec.bellsouth.net> for ; Fri, 2 Dec 2005 08:40:38 -0500 Received: from rd ([65.6.194.9]) by ibm62aec.bellsouth.net with ESMTP id <20051202134038.TVQZ17681.ibm62aec.bellsouth.net@rd> for ; Fri, 2 Dec 2005 08:40:38 -0500 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: Turbo post mortem Date: Fri, 2 Dec 2005 07:40:39 -0600 Message-ID: <004901c5f745$fb6d1000$6101a8c0@rd> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_004A_01C5F713.B0D2A000" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2527 Importance: Normal In-Reply-To: This is a multi-part message in MIME format. ------=_NextPart_000_004A_01C5F713.B0D2A000 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable However I can confirm that there was a very large delta T across the turbo, and that the temp drop before the turbo is approx. 50F/inch. I = have thermocouples installed at each exhaust port, then another a few inches further down right at the turbo inlet, then another ~10" after the turbo outlet (pics are in the archives if interested). I was very surprised at this temp drop myself so swapped around positions of the T/C's to = confirm the temps. Strange but true.=20 =20 =20 Hi Todd, =20 Very interesting on the temps. Now if we can get some of the other = turbo guys to give some readings, we might be able to confirm this, though as = an instrument technician, I trust your readings more than most. =20 =20 Sorry to hear about the ribs. The little girls you play against are = growing up I guess :-) =20 Good to have you back. Rusty (half rotary, half Lyclone) ------=_NextPart_000_004A_01C5F713.B0D2A000 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message
    However I can confirm that = there was=20 a very large delta T across the turbo, and that the temp drop before the = turbo=20 is approx. 50F/inch. I have thermocouples installed at each exhaust = port, then=20 another a few inches further down right at the turbo inlet, then another = ~10"=20 after the turbo outlet (pics are in the archives if interested). I was = very=20 surprised at this temp drop myself so swapped around positions of = the T/C's=20 to confirm the temps.
    Strange but true. 
 
 
Hi=20 Todd,
 
Very=20 interesting on the temps.  Now if we can get some of the other = turbo=20 guys to give some readings, we might be able to confirm this, = though=20 as an instrument technician, I trust your readings more than=20 most.  
 
Sorry to hear = about the=20 ribs.  The little girls you play against are growing up I guess=20 :-)
 
Good to have = you=20 back.
Rusty (half = rotary, half=20 Lyclone)
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