X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Wed, 20 May 2009 14:58:32 -0400 Message-ID: X-Original-Return-Path: Received: from imo-m23.mx.aol.com ([64.12.137.4] verified) by logan.com (CommuniGate Pro SMTP 5.2.14) with ESMTP id 3647686 for lml@lancaironline.net; Tue, 19 May 2009 23:49:07 -0400 Received-SPF: pass receiver=logan.com; client-ip=64.12.137.4; envelope-from=Sky2high@aol.com Received: from imo-da01.mx.aol.com (imo-da01.mx.aol.com [205.188.169.199]) by imo-m23.mx.aol.com (v107.10) with ESMTP id RELAYIN1-24a137d7f26e; Tue, 19 May 2009 23:48:25 -0400 Received: from Sky2high@aol.com by imo-da01.mx.aol.com (mail_out_v40_r1.5.) id q.c12.55a3760f (14502) for ; Tue, 19 May 2009 23:48:12 -0400 (EDT) From: Sky2high@aol.com X-Original-Message-ID: X-Original-Date: Tue, 19 May 2009 23:48:12 EDT Subject: Re: [LML] Temperature spike X-Original-To: lml@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="-----------------------------1242791292" X-Mailer: AOL 9.1 sub 5006 X-Spam-Flag:NO X-AOL-IP: 205.188.169.199 -------------------------------1242791292 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Did the temperatures spike in conjunction with keying the mike? That is you happened to be looking at the gauges when you were talking to someone over the radio - a specific radio and/or a specific frequency? (all my temps go nutty during a long radio transmission - depends where I have routed the comm antenna behind the panel) Loose connection or ground related to the engine monitor or specific sensors? Grayhawk In a message dated 5/19/2009 7:40:09 P.M. Central Daylight Time, artbertolina@earthlink.net writes: Had an interesting thing happen on a flight from AZ to So Calif. Cruising at 14500ft had been in cruise about 40 min. was running 2600RPM 31" 18GPH about 75 deg. LOP. The temp on #1 cylinder went from 315 to 500 oil pressure dropped to 15 oil temp went from 178 to 197. I went full rich reduced power to 17" and went to nearest airport to land, this action brought temps back into normal as well as oil pressure to 38. On the ground I removed the top cowl to be sure there where no oil leaks and found non. Refowled plane took off and did some laps in the pattern everything normal started home and at 8500 ft and 30 minutes later same thing CHT 425 oil pressure 21 oil temp 174. I had been flying at 2500/22". I reduced power again and temps came back down, I continued home. I since have removed the cylinder and have had it inspected by 2 competent mechanics and no damage. The engine has 260hr.s, does anyone have any ideas as to the problem?. Your thoughts and ideas would be appreciated Art **************An Excellent Credit Score is 750. See Yours in Just 2 Easy Steps! (http://pr.atwola.com/promoclk/100126575x1221823248x1201398651/aol?redir=http://www.freecreditreport.com/pm/default.aspx?sc=668072&hmpgID=62&bcd=May Excfooter51609NO62) -------------------------------1242791292 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable
Did the temperatures spike in conjunction with keying the mike? = That is you happened to be looking at the gauges when you were talking to someo= ne over the radio - a specific radio and/or a specific frequency?  (all= my temps go nutty during a long radio transmission - depends where I hav= e routed the comm antenna behind the panel)
 
Loose connection or ground related to the engine monitor or specific= sensors?
 
Grayhawk
 
In a message dated 5/19/2009 7:40:09 P.M. Central Daylight Time, artbertolina@earthlink.net writes:
Had an interesting thing happen on a fl= ight from AZ to
So Calif. Cruising at 14500ft had been= in cruise about
40 min. was running 2600RPM 31" = 18GPH about
75 deg. LOP. The temp on #1 cylinder we= nt from 315
to 500 oil pressure dropped to 15 oil= temp went from
178 to 197. I went full rich reduced po= wer to 17" and
went to nearest airport to land, t= his action brought
temps back into normal as well as oil= pressure to 38.
On the ground I removed the top cowl to= be sure there
where no oil leaks and found non. Refow= led plane
took off and did some laps in the patte= rn everything
normal started home and at 8500 ft and= 30 minutes later
same thing CHT 425 oil pressure 21 oil= temp 174. I had been flying at 2500/22". I reduced power again and temps
came back down, I continued home. I sin= ce have removed
the cylinder and have had it inspected= by 2 competent
mechanics and no damage. The engin= e has 260hr.s, does
anyone have any ideas as to the problem= ?. Your thoughts
and ideas would be appreciated
Art

An Excellent Credit Score is 750. See Yours in Just 2 Easy Steps!
-------------------------------1242791292--