X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Fri, 08 Apr 2011 15:54:11 -0400 Message-ID: X-Original-Return-Path: Received: from nm3-vm0.bullet.mail.bf1.yahoo.com ([98.139.212.154] verified) by logan.com (CommuniGate Pro SMTP 5.4c3j) with SMTP id 4940468 for lml@lancaironline.net; Fri, 08 Apr 2011 10:18:58 -0400 Received-SPF: none receiver=logan.com; client-ip=98.139.212.154; envelope-from=anpfield@sbcglobal.net Received: from [98.139.212.149] by nm3.bullet.mail.bf1.yahoo.com with NNFMP; 08 Apr 2011 14:18:25 -0000 Received: from [98.139.212.195] by tm6.bullet.mail.bf1.yahoo.com with NNFMP; 08 Apr 2011 14:18:25 -0000 Received: from [127.0.0.1] by omp1004.mail.bf1.yahoo.com with NNFMP; 08 Apr 2011 14:18:25 -0000 X-Yahoo-Newman-Id: 518559.1759.bm@omp1004.mail.bf1.yahoo.com Received: (qmail 14492 invoked from network); 8 Apr 2011 14:18:25 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=sbcglobal.net; h=DKIM-Signature:Received:X-Yahoo-SMTP:X-YMail-OSG:X-Yahoo-Newman-Property:From:To:References:Subject:Date:Message-ID:MIME-Version:Content-Type:X-Mailer:Thread-Index:In-Reply-To:X-MimeOLE; b=BW46yQ4Mwz5lG9f1q8+KvxuDDZXz/RlCYviewLqUn+luLzEOPrZ2HG9LpjVgwsvYeQuETz9mf2tVuMMRK/hF0UAnk9fXTkBo/0QbUl5Q0wLTKc+BR1PJbyXZ4nN9PM2zqVzzt4jjP4bXK5LZnFNLbJAxOhphRlpXyJn5WnyH1/0= ; Received: from pbfaviation (anpfield@70.230.161.162 with login) by smtp108.sbc.mail.bf1.yahoo.com with SMTP; 08 Apr 2011 07:18:24 -0700 PDT X-Yahoo-SMTP: M2dqCgKswBDQjE8MoF8jSmCdTsUI2v7j63ZxcFoNP0Q8o1U- X-YMail-OSG: kbKzq_kVM1lCW3J4MAH91nDC_jHpPoeOZ.wIH.n63AWzvov OYOcc8XfOirwPy4sF37LsWJonxifSesX0I61RnJ8XNrz85AKVqzetBbgISBG PBm2hPtvdCW8W15mciRB7YLtF9IMhWFLqnA4u3jvY2AH7byUFYr09ERtuzC5 UQxcE7zz.bxUdYfqcxkNnt5eT18glB9s.0wumlfqrBg4A8urv5bVv81QmNNC sYBSVO2xjSq4sLA_jeTu2uMZzOlyFmnIsAuF_q_HVWHxzGed_gLEDFmWYvrv gUgZB9BBYRmV7WSuapxTOkJNJ9Nl0pIm44ebC575g4rtC0F.Gt7byBfFvxog gMTDqaHkXg.98Nf0T.Ttt9Ni8 X-Yahoo-Newman-Property: ymail-3 From: "Peter Field" X-Original-To: "'Tom McNerney'" , References: Subject: RE: L-360 Engine Angle X-Original-Date: Fri, 8 Apr 2011 09:18:35 -0500 X-Original-Message-ID: <851BB25D301C42AE9ED086E3A583B699@pbfaviation> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_004A_01CBF5CD.F0701850" X-Mailer: Microsoft Office Outlook 11 Thread-Index: Acv18oxn0MXnzFEtRpCUos5akSvb5AAAJbnw In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5994 This is a multi-part message in MIME format. ------=_NextPart_000_004A_01CBF5CD.F0701850 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Tom: I have a LNC2 with an IO-390 angle valve engine. Any right or left adjustments to the engine mount will be seen at the front end of the cowl such that the spinner may no longer be concentric with the cowling. Angle valve engines present a real fit challenge along the sides of the cowling. On my aircraft there is less than 1/2 inch clearance on both sides. The thrust axis of the engine needs to be within the limits in the builders manual otherwise you may introduce some unfriendly stall characteristics. If you are concerned about the ball being centered in cruise flight it would be better to affix a small bendable trim tab to the rudder to solve your yaw problem. Regards, Pete Field LNC2, N775DX 90 hours, St. Louis _____ From: Tom McNerney [mailto:dudewanarace@yahoo.com] Sent: Thursday, April 07, 2011 1:53 PM To: lml@lancaironline.net Subject: L-360 Engine Angle I have a 360 with an angle valve motor. XP-400SRE 250 hours on this engine now. I would like to eliminate the amount of rudder required to keep the plane square. (ball in the cage) I have good reason to suspect the engine has been installed with too much yaw. I have the engine level to the airframe in pitch. The manual calls for 1.5 degrees to the right in regards to yaw. (if I remember correctly) I assume this was built in to the engine mount. In order for me to get the engine level at 0, and straight in yaw, it would take about a half inch of washers on lower right rubber engine mount, and one quarter inch of washers on the upper right mount. Is this normal? Tom www.N54SG.com ------=_NextPart_000_004A_01CBF5CD.F0701850 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable
Tom:
     I=20 have a LNC2 with an IO-390 angle valve engine.  Any right or left=20 adjustments to the engine mount will be seen at the front end of the = cowl such=20 that the spinner may no longer be concentric with the cowling.  = Angle valve=20 engines present a real fit challenge along the sides of the = cowling.  On my=20 aircraft there is less than 1/2 inch clearance on both sides.  The = thrust=20 axis of the engine needs to be within the limits in the builders manual=20 otherwise you may introduce some unfriendly stall characteristics.  = If you=20 are concerned about the ball being centered in cruise flight it would be = better=20 to affix a small bendable trim tab to the rudder to solve your yaw=20 problem. 
 
Regards,
Pete = Field
LNC2,=20 N775DX
90 hours, St.=20 Louis

From: Tom McNerney=20 [mailto:dudewanarace@yahoo.com]
Sent: Thursday, April 07, = 2011 1:53=20 PM
To: lml@lancaironline.net
Subject: L-360 Engine=20 Angle

I have a 360 with an angle valve motor. XP-400SRE  250 hours = on this=20 engine now.  I would like to eliminate the amount of = rudder required=20 to keep the plane square. (ball in the cage)  I have good reason to = suspect=20 the engine has been installed with too much yaw.
 
I have the engine level to the airframe in pitch.  The manual = calls=20 for 1.5 degrees to the right in regards to yaw. (if I remember = correctly) =20 I assume this was built in to the engine mount.
 
In order for me to get the engine level at 0, and straight in yaw, = it would=20 take about a half inch of washers on lower right rubber engine mount, = and one=20 quarter inch of washers on the upper right mount.
 
Is this normal?
 
Tom
 
 
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