X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from omr-d06.mx.aol.com ([205.188.109.203] verified) by logan.com (CommuniGate Pro SMTP 6.0.5) with ESMTP id 6300258 for lml@lancaironline.net; Fri, 31 May 2013 12:03:26 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.188.109.203; envelope-from=Sky2high@aol.com Received: from mtaomg-mb04.r1000.mx.aol.com (mtaomg-mb04.r1000.mx.aol.com [172.29.41.75]) by omr-d06.mx.aol.com (Outbound Mail Relay) with ESMTP id D3F1770004125 for ; Fri, 31 May 2013 12:02:52 -0400 (EDT) Received: from core-mta001c.r1000.mail.aol.com (core-mta001.r1000.mail.aol.com [172.29.234.129]) by mtaomg-mb04.r1000.mx.aol.com (OMAG/Core Interface) with ESMTP id 86A42E00008F for ; Fri, 31 May 2013 12:02:52 -0400 (EDT) From: Sky2high@aol.com Full-name: Sky2high Message-ID: <6f406.a78a2a5.3eda23ab@aol.com> Date: Fri, 31 May 2013 12:02:52 -0400 (EDT) Subject: Re: [LML] Re: Lancair 360 CHT during climb To: lml@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="part1_6f406.a78a2a5.3eda23ab_boundary" X-Mailer: AOL 9.6 sub 168 X-Originating-IP: [67.175.156.123] x-aol-global-disposition: G DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mx.aol.com; s=20121107; t=1370016172; bh=7t6fwrD7PFtOWpl58z14ix/Qs31wTdBmAidfBHUQDVw=; h=From:To:Subject:Message-ID:Date:MIME-Version:Content-Type; b=PSNYzV87+5YHd7cKLKJrNgYWSOV16Cz7XCAJWQWHSZTJ/x3nhq+mA+pMa6qm4A8sv Dv/6OgosDGPCqEQNIK+Cu8qeA3rds4VdWzP74eXfTklLp5BUJySrzmB7JX+bbbyKFG IP+SKCNOGX4rx9XIPphIiKUzW/ZhkSTn/YE/ExQQ= X-AOL-SCOLL-SCORE: 0:2:506676192:93952408 X-AOL-SCOLL-URL_COUNT: 0 x-aol-sid: 3039ac1d294b51a8c9ac3959 --part1_6f406.a78a2a5.3eda23ab_boundary Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: quoted-printable Those that suggest that lower temps lead to longer life. The very same=20 folks that suggest moderation in adult beverage usage, avoidance of=20 recreational drugs, hold leaping from perfectly good airplanes to a minimu= m, operate=20 LOP judiciously, are unafraid to occasionally reject ATC commandments,=20 etc. I could go on, but sensibility restrains me. =20 Grayhawk=20 =20 =20 In a message dated 5/31/2013 9:46:40 A.M. Central Daylight Time, =20 gary21sn@hotmail.com writes: =20 What do you mean "sensible people"? =20 Gary ----- Original Message -----=20 From: _Sky2high@aol.com_ (mailto:Sky2high@aol.com) =20 To: _lml@lancaironline.net_ (mailto:lml@lancaironline.net) =20 Sent: Friday, May 31, 2013 6:21 AM Subject: [LML] Re: Lancair 360 CHT during climb Lyc says 500F is max for short term hi power, 400F is max recommended for= =20 continuous operation. Sensible people often suggest that lower temps lea= d=20 to longer engine life. 400F or so for short term, 350F or so for=20 continuous.=20 =20 Grayhawk =20 =20 In a message dated 5/31/2013 6:36:04 A.M. Central Daylight Time, =20 gary21sn@hotmail.com writes: =20 What is the cylinder temperature red line on Lycoming 320/360's? =20 Gary ----- Original Message -----=20 From: _Colyn Case_ (mailto:colyncase@earthlink.net) =20 To: _Lancair Mailing List_ (mailto:lml@lancaironline.net) =20 Sent: Thursday, May 30, 2013 8:58 PM Subject: [LML] Re: Lancair 360 CHT during climb Giles, =20 I don't know what it takes to get CHT's on a 360 in range but the real=20 question is what does the engine like? GAMI/APS argue that the metal of t= he=20 cylinders is getting steadily softer as you go up in temp so they like to= =20 see 380. The engine mfg's tend to list higher numbers and say that those= =20 numbers are considered in the engineering. Personally, I run my (IV-P=20 TSIO-550) engine hard but I don't like to see more than 380. I think Grayhawk posted a chart a while back that plotted cylinder =20 strength vs. temp but I can't find it. I did find this article by Mike = Busch in=20 which he says that at 400 degrees the cylinder is half as strong as when= =20 cold and makes a number of other points about CHT's. =20 http://www.avweb.com/news/savvyaviator/savvy_aviator_59_egt_cht_and_leaning= _198162-1.html If the engine cooling is adequate, higher CHT's tend to correlate with=20 higher internal cylinder pressures which can result from timing that is to= o=20 far advanced or mixture not rich enough or not lean enough. Your A&P shoul= d=20 be able to address those but make sure he follows manufacturer's=20 recommendations on the fuel setup. I've seen more than one mechanic set t= he fuel flow=20 way below manufacturer's recommendations. (Too high will ruin your day= =20 too). If you have not taken the Advanced Pilot Seminars course on engine =20 management, I highly recommend it. It's available on line at=20 _www.advancedpilot.com_ (http://www.advancedpilot.com/) . If the engine cooling is not adequate, then hopefully one of the 360 guys= =20 can tell you how to fix that. On the IV-P engine installation, it takes= =20 some baffle mods and air guides to get it right. Colyn On May 30, 2013, at 11:47 AM, Gary Edwards wrote: =20 Same here. Temperatures routinely over 400. So 380 to 415 is ok to me. =20 Gary LNC2 320 ----- Original Message ----- From: _Matt_ (mailto:mattinlosangeles@yahoo.com)=20 To: _lml@lancaironline.net_ (mailto:lml@lancaironline.net)=20 Sent: Thursday, May 30, 2013 7:35 AM Subject: [LML] Re: Lancair 360 CHT during climb My 360 runs that hot and has 1700 hours on the engine. I would say it is= =20 fine. In the summer it can even get that hot in cruise. Not saying it=20 wouldn't be nice if it ran cooler but again 1700 hours on the engine and s= he=20 still flies. I live in Southern California so summer is very hot.=20 Matt Sent from my iPhone On May 30, 2013, at 5:20 AM, steve <_n5276j@aol.com_=20 (mailto:n5276j@aol.com) > wrote: 380 is OK 415 is not, can you richen to bring down under 400? I would=20 suggest reducing power to keep it under 400 until you fix the problem, mos= t=20 likely your baffling. Be sure you are sealed.=20 =20 =20 -----Original Message----- From: Gilles Canese <_gilles.canese@sfr.fr_ (mailto:gilles.canese@sfr.fr) > To: lml <_lml@lancaironline.net_ (mailto:lml@lancaironline.net) > Sent: Wed, May 29, 2013 5:44 pm Subject: [LML] Lancair 360 CHT during climb Hello I am a new Lancair 360 owner and I have a question about CHT during= =20 climbing At=20 full power after take off, CHT 's are between 380 and 415 oF, is it=20 normal for=20 a 360? =20 Thanks for the answers=20 =20 Gilles=20 =20 =20 Envoy=E9 de mon iPad -- For archives and unsub http://mail.lancaironline.net:81/lists/lml/List.htm= l --part1_6f406.a78a2a5.3eda23ab_boundary Content-Type: text/html; charset="ISO-8859-1" Content-Transfer-Encoding: quoted-printable
Those that suggest that lower temps lead to longer life.  The ver= y=20 same folks that suggest moderation in adult beverage usage, avoidance= =20 of recreational drugs, hold leaping from perfectly good airplanes to a= =20 minimum, operate LOP judiciously, are unafraid to occasionally reject = ATC=20 commandments, etc.  I could go on, but sensibility restrains me.
 
Grayhawk 
 
In a message dated 5/31/2013 9:46:40 A.M. Central Daylight Time,=20 gary21sn@hotmail.com writes:
=
What do you mean "sensible people"?
 
Gary
----- Original Message -----
To: lml@lancaironline.net
Sent: Friday, May 31, 2013 6:21= =20 AM
Subject: [LML] Re: Lancair 360 C= HT=20 during climb

Lyc says 500F is max for short term hi power, 400F is max=20 recommended for continuous operation.   Sensible people= =20 often suggest that lower temps lead to longer engine life.  4= 00F=20 or so for short term, 350F or so for continuous. 
 
Grayhawk
 
In a message dated 5/31/2013 6:36:04 A.M. Central Daylight Time,= =20 gary21sn@hotmail.com writes:
What is the cylinder temperature red line on Lycoming=20 320/360's?
 
Gary
----- Original Message -----
From: Colyn Case
To: Lancair Mailing List
Sent: Thursday, May 30, 2013= 8:58=20 PM
Subject: [LML] Re: Lancair 3= 60 CHT=20 during climb

Giles, =20

I don't know what it takes to get CHT's on a  360 in rang= e but=20 the real question is what does the engine like?  GAMI/APS argu= e=20 that the metal of the cylinders is getting steadily softer as you g= o up=20 in temp so they like to see 380.  The engine mfg's tend to lis= t=20 higher numbers and say that those numbers are considered in the=20 engineering.  Personally, I run my (IV-P TSIO-550) engine hard= but=20 I don't like to see more than 380.

I think Grayhawk posted a chart a while back that plotted cyli= nder=20 strength vs. temp but I can't find it.    I did find this= =20 article by Mike Busch in which he says that at 400 degrees the cyli= nder=20 is half as strong as when cold and makes a number of other points a= bout=20 CHT's.   http://www.avweb.com/news/savvyaviator/savv= y_aviator_59_egt_cht_and_leaning_198162-1.html

If the engine cooling is adequate, higher CHT's tend to correl= ate=20 with higher internal cylinder pressures which can result from timin= g=20 that is too far advanced or mixture not rich enough or not lean eno= ugh.=20   Your A&P should be able to address those but make sure h= e=20 follows manufacturer's recommendations on the fuel setup.  I'v= e=20 seen more than one mechanic set the fuel flow way below manufacture= r's=20 recommendations.   (Too high will ruin your day too).

If you have not taken the Advanced Pilot Seminars course on en= gine=20 management,   I highly recommend it.  It's available on l= ine=20 at www.advancedpilot.com.

If the engine cooling is not adequate, then hopefully one of t= he=20 360 guys can tell you how to fix that.  On the IV-P engine=20 installation, it takes some baffle mods and air guides to get it=20 right.

Colyn

On May 30, 2013, at 11:47 AM, Gary Edwards wrote:
Same here.  Temperatures routinely over 400.  So 380= to=20 415 is ok to me.
 
Gary
LNC2 320
----- Original Message -----
From: Matt
To: lml@lancaironline.net
Sent: Thursday, May 30, 2013= 7:35=20 AM
Subject: [LML] Re: Lancair 360 = CHT=20 during climb

My 360 runs that hot and has 1700 hours on the engine.  = ;I=20 would say it is fine. In the summer it can even get that hot in= =20 cruise. Not saying it wouldn't be nice if it ran cooler but again= 1700=20 hours on the engine and she still flies. I live in Southern Calif= ornia=20 so summer is very hot. 

Matt

Sent from my iPhone

On May 30, 2013, at 5:20 AM, steve <n5276j@aol.com>=20 wrote:

380 is OK 415 is not, can you richen to bring down under= =20 400?  I would suggest reducing power to keep it under 400 = until=20 you fix the problem, most likely your baffling.  Be sure y= ou=20 are sealed. 
 
 
-----Original=20 Message-----
From: Gilles Canese <gilles.canese@sfr.fr&g= t;
To:=20 lml <lml@lancaironline.net= >
Sent:=20 Wed, May 29, 2013 5:44 pm
Subject: [LML] Lancair 360 CHT dur= ing=20 climb

Hello=20
I am a new Lancair 360 owner and I have a question about CHT during climbin=
g At=20
full power after take off,  CHT 's are between 380 and 415 oF, is it normal=
 for=20
a 360?

Thanks for the answers=20

Gilles=20


Envoy=E9 de mon iPad
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