X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from cdptpa-omtalb.mail.rr.com ([75.180.132.120] verified) by logan.com (CommuniGate Pro SMTP 5.4.4) with ESMTP id 5392478 for flyrotary@lancaironline.net; Sat, 11 Feb 2012 18:52:20 -0500 Received-SPF: pass receiver=logan.com; client-ip=75.180.132.120; envelope-from=echristley@nc.rr.com Return-Path: Authentication-Results: cdptpa-omtalb.mail.rr.com smtp.user=echristley@nc.rr.com; auth=pass (PLAIN) X-Authority-Analysis: v=2.0 cv=Vv2h8pKn c=1 sm=0 a=/EQhaDcm5o5+9m9Jwq0OLg==:17 a=GJLA_pgJaaEA:10 a=CNj55GNJf9YA:10 a=KQ1Wv_bSAAAA:8 a=NWhOiEPQA8gD87kbfvoA:9 a=-FibXnDUrn1ZMx0GnvAA:7 a=QEXdDO2ut3YA:10 a=iKhjpyunHcQA:10 a=AcSaDQtcpv8A:10 a=QSmc0Ec9vTIA:10 a=U6vFXs5OQ7TLuADM:21 a=KIBliDgYoPK4HBj6:21 a=yMhMjlubAAAA:8 a=SSmOFEACAAAA:8 a=xaZOw5XTR1ueMdj2_DoA:9 a=XvdlC8SaDz5x2k81ZvYA:7 a=gKO2Hq4RSVkA:10 a=hTZeC7Yk6K0A:10 a=/EQhaDcm5o5+9m9Jwq0OLg==:117 X-Cloudmark-Score: 0 X-Originating-IP: 65.190.51.29 Received: from [65.190.51.29] ([65.190.51.29:35380] helo=[192.168.1.6]) by cdptpa-oedge04.mail.rr.com (envelope-from ) (ecelerity 2.2.3.46 r()) with ESMTPA id F4/B3-24526-21FF63F4; Sat, 11 Feb 2012 23:51:47 +0000 References: User-Agent: K-9 Mail for Android In-Reply-To: MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----5G47RRFEEFQ2QXVKCSEC4XZNIYIP5J" Subject: Re: [FlyRotary] E-Shaft Lock Bolt HELP! From: echristley@nc.rr.com Date: Sat, 11 Feb 2012 18:50:11 -0500 To: Rotary motors in aircraft Message-ID: ------5G47RRFEEFQ2QXVKCSEC4XZNIYIP5J Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit I bolted a bar across the engine such that it blocked the counterweight from turning. Got a big socket from Sears, and used a pipe wrench on the end, because I didnt have a big enough ratchet. Put a three foot cheater on and rested my 275lbs on the end of it. The nut let go when I rapped on the socket with a hammer to create a vibration. -- Sent from my Android phone with K-9 Mail. Please excuse my brevity. Gordon Alling wrote: I am tearing down a 13B (1st time) and have spent the last few hours trying to remove the eccentric shaft lock bolt. Is there some secret to it that someone can share? I don’t have a flywheel for the engine so I am holding the shaft with a pipe wrench on the pulley boss. I have bent the handle on my 3/8 drive ratchet and couldn’t break it with a 24” breaker bar and a 5’ extension. I cranked-up my compressor and couldn’t do it with my impact wrench. I tried turning clockwise to convince myself that it isn’t reverse threaded. I would try heating but my torch won’t stay lit for some reason (another thing to fix). Does anyone have a magic trick to get past this hurdle? Is there any reason that holding the pulley boss would prevent the lock bolt from turning? Any and all suggestions are appreciated. Gordon C. Alling, Jr., PE President acumen Engineering/Analysis, Inc. 540-786-2200 www.acumen-ea.com ------5G47RRFEEFQ2QXVKCSEC4XZNIYIP5J Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: 8bit I bolted a bar across the engine such that it blocked the counterweight from turning. Got a big socket from Sears, and used a pipe wrench on the end, because I didnt have a big enough ratchet. Put a three foot cheater on and rested my 275lbs on the end of it. The nut let go when I rapped on the socket with a hammer to create a vibration.


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Sent from my Android phone with K-9 Mail. Please excuse my brevity.

Gordon Alling <gordon@acumen-ea.com> wrote:

I am tearing down a 13B (1st time) and have spent the last few hours trying to remove the eccentric shaft lock bolt.  Is there some secret to it that someone can share?  I don’t have a flywheel for the engine so I am holding the shaft with a pipe wrench on the pulley boss.  I have bent the handle on my 3/8 drive ratchet and couldn’t break it with a 24” breaker bar and a 5’ extension.  I cranked-up my compressor and couldn’t do it with my impact wrench.  I tried turning clockwise to convince myself that it isn’t reverse threaded.  I would try heating but my torch won’t stay lit for some reason (another thing to fix).

 

Does anyone have a magic trick to get past this hurdle? 

 

Is there any reason that holding the pulley boss would prevent the lock bolt from turning?

 

Any and all suggestions are appreciated.

 

Gordon C. Alling, Jr., PE

President

acumen Engineering/Analysis, Inc.

 

540-786-2200

www.acumen-ea.com

 

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