X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Tue, 12 May 2009 18:31:56 -0400 Message-ID: X-Original-Return-Path: Received: from imo-d23.mx.aol.com ([205.188.139.137] verified) by logan.com (CommuniGate Pro SMTP 5.2.14) with ESMTP id 3639325 for lml@lancaironline.net; Mon, 11 May 2009 23:30:22 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.188.139.137; envelope-from=Sky2high@aol.com Received: from imo-ma01.mx.aol.com (imo-ma01.mx.aol.com [64.12.78.136]) by imo-d23.mx.aol.com (v107.10) with ESMTP id RELAYIN1-24a08ec8ea1; Mon, 11 May 2009 23:27:10 -0400 Received: from Sky2high@aol.com by imo-ma01.mx.aol.com (mail_out_v40_r1.5.) id q.d5a.45436db7 (42809) for ; Mon, 11 May 2009 23:26:57 -0400 (EDT) From: Sky2high@aol.com X-Original-Message-ID: X-Original-Date: Mon, 11 May 2009 23:26:57 EDT Subject: Re: [LML] Re: spinner against cowl, engine sag X-Original-To: lml@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="-----------------------------1242098817" X-Mailer: AOL 9.1 sub 5006 X-Spam-Flag:NO X-AOL-IP: 64.12.78.136 -------------------------------1242098817 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Mark and Keith, Although swapping the top and bottom isolators is one technique, the isolators used on the 320 are symmetric from front to back and can just be reversed in place. Also, the steel center bushing of the top isolators can be shortened (around .1") as was mentioned elsewhere (just the top is necessary). If washers are needed for the bottom, they can be made from old isolators by stripping off the rubber.. However, the best thing to do is to cut a slot in the washer all the way to the center and the same size as the center hole - this way, one does not have to remove the lower bolts, just loosen the nuts and slip the 1/8" thick washer in between the engine and the isolator and retighten the bolt (you may want to remove some of the spacing washers so the number of grip threads is the same). A mechanic I talked to recently said that the aft bottom and the top forward rubbers should be of harder material...... I am investigating this for future use. BTW, I have shimmed out the bottom using two washers or 1/4" ( I had to use a longer bolt).since the engine had sagged and the cowl lifted up so much in flight that the exhaust pipe was bumping against the lower cowl. Most of my vibration is now gone. Scott Krueger 320 In a message dated 5/11/2009 7:31:50 P.M. Central Daylight Time, mjrav@comcast.net writes: Another low cost option is to swap the upper mounts that have been stretched with the lower ones that have been compressed. Good to go for another 50,000 miles. Mark Ravinski 360 1463 hrs. ----- Original Message ----- From: _Keith Smith_ (mailto:keith.smith@gmail.com) To: _lml@lancaironline.net_ (mailto:lml@lancaironline.net) Sent: Saturday, May 09, 2009 5:18 PM Subject: [LML] spinner against cowl A guy walked up to my 360 this morning and noticed that the bottom of the spinner is rubbing against the bottom cowl. "you couldn't squeeze a leaf in there," he said. Clearance from the top cowl is good, though. Is it just a matter of reseating the bottom cowl? Keith...a newbie owner still learning the basics of aircraft ownership. **************An Excellent Credit Score is 750. See Yours in Just 2 Easy Steps! (http://pr.atwola.com/promoclk/100126575x1222585010x1201462743/aol?redir=http://www.freecreditreport.com/pm/default.aspx?sc=668072&hmpgID=62&bcd=May Excfooter51109NO62) -------------------------------1242098817 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable
Mark and Keith,
 
Although swapping the top and bottom isolators is one technique, the= isolators used on the 320 are symmetric from front to back and can just be= reversed in place.  Also, the steel center bushing of the= top isolators can be shortened (around .1") as was mentioned elsewher= e (just the top is necessary).  If washers are needed for the bottom,= they can be made from old isolators by stripping off the rubber.. 
 
However, the best thing to do is to cut a slot in the washer all= the way to the center and the same size as the center hole - this way, on= e does not have to remove the lower bolts, just loosen the nuts and slip the 1/8"= thick washer in between the engine and the isolator and retighten the bolt (you= may want to remove some of the spacing washers so the number of grip threads is the same).
 
A mechanic I talked to recently said that the aft bottom and the top= forward rubbers should be of harder material...... I am investigating= this for future use.
 
BTW, I have shimmed out the bottom using two washers or 1/4" (= I had to use a longer bolt).since the engine had sagged and the cowl lifted up= so much in flight that the exhaust pipe was bumping against the lower cowl.  Most of my vibration is now gone.
 
Scott Krueger
320
 
In a message dated 5/11/2009 7:31:50 P.M. Central Daylight Time, mjrav@comcast.net writes:
Another low cost option is to swap the= upper mounts that have been stretched with the lower ones that have been compressed.  Good to go for another 50,000 miles.
 
Mark Ravinski
360  1463 hrs.
----- Original Message -----
= From: Keith Smith
Sent: Saturday, May 09, 2009 5:= 18 PM
Subject: [LML] spinner against= cowl

A guy walked up to my 360 this morning and noticed that= the bottom of the spinner is rubbing against the bottom cowl.  "you= couldn't squeeze a leaf in there," he said.  Clearance from the= top cowl is good, though.

Is it just a matter of reseating the bott= om cowl?

Keith...a newbie owner still learning the basics of aircr= aft ownership.

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