X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Thu, 30 May 2013 11:47:22 -0400 Message-ID: X-Original-Return-Path: Received: from nm27-vm1.bullet.mail.bf1.yahoo.com ([98.139.213.148] verified) by logan.com (CommuniGate Pro SMTP 6.0.5) with ESMTPS id 6298225 for lml@lancaironline.net; Thu, 30 May 2013 11:45:03 -0400 Received-SPF: none receiver=logan.com; client-ip=98.139.213.148; envelope-from=n20087@yahoo.com Received: from [98.139.212.153] by nm27.bullet.mail.bf1.yahoo.com with NNFMP; 30 May 2013 15:44:26 -0000 Received: from [98.139.213.13] by tm10.bullet.mail.bf1.yahoo.com with NNFMP; 30 May 2013 15:44:26 -0000 Received: from [127.0.0.1] by smtp113.mail.bf1.yahoo.com with NNFMP; 30 May 2013 15:44:26 -0000 X-Yahoo-Newman-Id: 596039.36964.bm@smtp113.mail.bf1.yahoo.com X-Yahoo-Newman-Property: ymail-3 X-YMail-OSG: 2Uh4uz4VM1nsibrwXk4N9zXMiIowR2rk7q4O1m1Ice.zRGk farpyICfQ9IQZJhFck3326gIAYNtKtwk6UnW.VLzXOAxwmgIa8a5BJJOVUCN LOUyHyj6LvskSn01DT3Ep15egFXbolbszI.bLTo6piuUs92lGpJZtjQ.RX7W FRNTwBhwIy.jtGXcJPwLrlTp8ZLMo1sPCh8A8FUjkbKq5v7_8q4ETBqXwh_d QC_DOU6zbdx2SmjUdEr9Gv.8a_z7f76foOctQt.scWm6.NmlKMvnq1B0amZe JHgwYx19L6UlPQJPpMNMDqqbh6X0CkJrZ8d0w8GmI2reRvcX..52DgdJqu6k tLqUs8MQbHlDowepLLqDaclkNJB2lBhG.t4WSpgpXQpgcN2W2E6i7o3igpB1 oLUYr2exWU8xlOS4.w6UfIbO7Fe4HFrKA9PzOObq1X1BjU4IcfCqYfJyjArD L0t_3c6Kzomz6gHdDgHH68XHwWaXJw07Q_jdaUDm35zCVYW0r X-Yahoo-SMTP: NQQt3c2swBAKSrExoA1eZuT7_w-- X-Rocket-Received: from [10.79.37.214] (n20087@198.228.226.177 with ) by smtp113.mail.bf1.yahoo.com with SMTP; 30 May 2013 08:44:26 -0700 PDT References: Mime-Version: 1.0 (1.0) In-Reply-To: Content-Type: multipart/alternative; boundary=Apple-Mail-D35A9038-120B-4D82-9A28-837CF1FFDAD7 Content-Transfer-Encoding: 7bit X-Original-Message-Id: X-Original-Cc: "lml@lancaironline.net" X-Mailer: iPad Mail (10A8426) From: Tom Subject: Re: [LML] Re: Lancair 360 CHT during climb X-Original-Date: Thu, 30 May 2013 11:44:27 -0400 X-Original-To: Lancair Mailing List --Apple-Mail-D35A9038-120B-4D82-9A28-837CF1FFDAD7 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Giles There have been numerous reports such as yours concerning the lnc2. My 360 b= ehaves much the same as yours if I don't manage it like gray hawk describes b= elow. If you are breaking in your engine you have to stay as cool as possi= ble to ensure good ring seating. Flying light helps somewhat, but by far th= e most effective method I have found is to reduce rmp and power after 700-10= 00 agl to 24/2400 until I get to 3500 MSL or so, then I increase rpm to anyw= here between 2500 and 2600 depending on temps and maintain 24inches as long a= s I can in the climb. I do not climb at less than 125 but prefer 135 kts. T= he engine will make a lot of heat at sea level with 100% rated power, reduci= ng the output (consistent with attitude and safety) makes an enormous differ= ence that will help preserve your investment I have an IO360 with plenum and 4 inch inlets and cowl flaps, which, in crui= se ROP produces temps in the 360 to 370 range. LOP I normally see 300 to 33= 0. I can't confirm this but some say lycoming jugs run up to 20 degrees cool= er than ECIs Thanks=20 Tom Sent from my iPad On May 30, 2013, at 10:21 AM, Sky2high@aol.com wrote: > Gilles, > =20 > Also consider that the LNC2 cooling air intakes are less efficient at high= er angles of attack. Until you completely understand why the engine cooling= is not good enough, consider climb outs at 135-140 KIAS and, when above 700= feet AGL, reduce RPM to 2600 while maintaining Wide Open Throttle. > =20 > Grayhawk > =20 > In a message dated 5/30/2013 7:21:52 A.M. Central Daylight Time, n5276j@ao= l.com writes: > 380 is OK 415 is not, can you richen to bring down under 400? I would sug= gest reducing power to keep it under 400 until you fix the problem, most lik= ely your baffling. Be sure you are sealed.=20 > =20 > =20 > -----Original Message----- > From: Gilles Canese > To: lml > Sent: Wed, May 29, 2013 5:44 pm > Subject: [LML] Lancair 360 CHT during climb >=20 > Hello=20 > I am a new Lancair 360 owner and I have a question about CHT during climbi= ng At=20 > full power after take off, CHT 's are between 380 and 415 oF, is it norma= l for=20 > a 360? >=20 > Thanks for the answers=20 >=20 > Gilles=20 >=20 >=20 > Envoy=C3=A9 de mon iPad > -- > For archives and unsub http://mail.lancaironline.net:81/lists/lml/List.htm= l --Apple-Mail-D35A9038-120B-4D82-9A28-837CF1FFDAD7 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable
Giles

There h= ave been numerous reports such as yours concerning the lnc2.  My 360 be= haves much the same as yours if I don't manage it like gray hawk describes b= elow.   If you are breaking in your engine you have to stay as cool as p= ossible to ensure good ring seating.  Flying light helps somewhat, but b= y far the most effective method I have found is to reduce rmp and power afte= r 700-1000 agl to 24/2400 until I get to 3500 MSL or so, then I increase rpm= to anywhere between 2500 and 2600 depending on temps and maintain 24inches a= s long as I can in the climb.  I do not climb at less than 125 but pref= er 135 kts.  The engine will make a lot of heat at sea level with 100% r= ated power, reducing the output (consistent with attitude and safety) makes a= n enormous difference that will help preserve your investment

=
I have an IO360 with plenum and 4 inch inlets and cowl flaps, whi= ch, in cruise ROP produces temps in the 360 to 370 range.  LOP I normal= ly see 300 to 330. I can't confirm this but some say lycoming jugs run up to= 20 degrees cooler than ECIs


Thanks 
Tom

Sent from my iPad

On= May 30, 2013, at 10:21 AM, Sky2high@aol= .com wrote:

Gilles,
 
Also consider that the LNC2 cooling air intakes are less efficient= at=20 higher angles of attack.  Until you completely understand why the engin= e=20 cooling is not good enough, consider climb outs at 135-140 KIAS and, when ab= ove=20 700 feet AGL, reduce RPM to 2600 while maintaining Wide Open=20 Throttle.
 
Grayhawk
 
In a message dated 5/30/2013 7:21:52 A.M. Central Daylight Time,=20 n5276j@aol.com writes:
380 is OK 415 is not, can you richen to bring down under 400?  I= =20 would suggest reducing power to keep it under 400 until you fix the proble= m,=20 most likely your baffling.  Be sure you are sealed. 
 
 
-----Original=20 Message-----
From: Gilles Canese <gilles.canese@sfr.fr>
To: lml=20 <lml@lancaironline.net>=
Sent: Wed, May 29, 2013 5:44 pm
Subject:=20 [LML] Lancair 360 CHT during climb

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

Thanks for the answers=20

Gilles=20


Envoy=C3=A9 de mon iPad
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