X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from fmailhost02.isp.att.net ([207.115.11.52] verified) by logan.com (CommuniGate Pro SMTP 5.3.11) with ESMTP id 4664780 for flyrotary@lancaironline.net; Wed, 05 Jan 2011 10:46:07 -0500 Received-SPF: none receiver=logan.com; client-ip=207.115.11.52; envelope-from=bbradburry@bellsouth.net Received: from desktop (adsl-85-93-115.mco.bellsouth.net[98.85.93.115]) by isp.att.net (frfwmhc02) with SMTP id <20110105154531H0200osd30e>; Wed, 5 Jan 2011 15:45:31 +0000 X-Originating-IP: [98.85.93.115] From: "Bill Bradburry" To: "'Rotary motors in aircraft'" References: In-Reply-To: Subject: RE: [FlyRotary] Re: Broken tension Bolt Date: Wed, 5 Jan 2011 10:45:34 -0500 Message-ID: <96CEB8471EA24AA0AFB2F1A9FC32549D@Desktop> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0009_01CBACC5.AEFCF7E0" X-Mailer: Microsoft Office Outlook 11 Thread-Index: Acus7WV7NGv8usn3QJ2rF61I+KZWIwAAYekw X-MimeOLE: Produced By Microsoft MimeOLE V6.0.6001.18049 This is a multi-part message in MIME format. ------=_NextPart_000_0009_01CBACC5.AEFCF7E0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit If the pressure and gentle extraction doesn't work, you could try a SMALL amount of JB Weld on the end of the bolt head end and let it set 24 hours. You don't want to use enough JB Weld that the squeeze out would drip inside. It has a shear strength of 1000 pounds. It might hold well enough to remove that bolt. It still would not interfere with the drill and ezout method if you needed to resort to it. Bill B _____ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Jeff Whaley Sent: Wednesday, January 05, 2011 10:30 AM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Broken tension Bolt Hi Kelly, yeah I read Tracy's squawk . I'm hoping the pressure and gentle extraction method will work for me as well, but if not I'll have to resort to the drill and easy-out method . anything but tear down the engine. I sure hope replacing the rear seal will solve my oil leak . Jeff From: Kelly Troyer Subject: Re: Broken tension Bolt Date: Wed, 5 Jan 2011 06:40:20 -0800 (PST) To: Rotary motors in aircraft Jeff, Tracy Was lucky enough that after removing the sealing washer from his broken bolt that there was enough friction at the fracture to allow the broken stub to be turned out by holding pressure on the bolt head and gently turning the stub out............You might try that............ Kelly Troyer "DYKE DELTA JD2" (Eventually) "13B ROTARY"_ Engine "RWS"_RD1C/EC2/EM2 "MISTRAL"_Backplate/Oil Manifold "TURBONETICS"_TO4E50 Turbo From: Jeff Whaley Sent: Wednesday, January 05, 2011 8:19 AM To: 'Rotary motors in aircraft' Subject: RE: Broken tension Bolt Okay, thanks Finn; getting the shavings extracted with grease, or a magnet should work. So, based on your comments about the tension bolts and sealing washers having nothing to do with oil, I have to assume that my rear oil seal is the source of the leak. With the re-drive, ring gear, etc already off the engine I'll go ahead and replace the rear seal. Thanks . Jeff From: Finn Lassen [mailto:finn.lassen@verizon.net] Sent: Tuesday, January 04, 2011 8:43 PM Subject: Re: [FlyRotary] FW: RE: Broken tension Bolt No oil contact with the bolts. The reason for the rubber washers is that there are no o-rings or sealant between the coolant galleries and the bolt holes, so yes, there could be some seep of coolant into the bolt holes. But I doubt there will be any flow that can carry shavings from the bolt hole to the coolant. The grease trick should be more than adequate. Finn __________ Information from ESET NOD32 Antivirus, version of virus signature database 5762 (20110105) __________ The message was checked by ESET NOD32 Antivirus. http://www.eset.com This message, and the documents attached hereto, is intended only for the addressee and may contain privileged or confidential information. Any unauthorized disclosure is strictly prohibited. If you have received this message in error, please notify us immediately so that we may correct our internal records. Please then delete the original message. Thank you. ------=_NextPart_000_0009_01CBACC5.AEFCF7E0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

If the pressure and gentle = extraction doesn’t work, you could try a SMALL amount of JB Weld on the end of the bolt = head end and let it set 24 hours.  You don’t want to use enough JB = Weld that the squeeze out would drip inside.  It has a shear strength of 1000 pounds.  It might hold well enough to remove that bolt.  It = still would not interfere with the drill and ezout method if you needed to = resort to it.

 

Bill B

 


From: Rotary motors in = aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Jeff Whaley
Sent: Wednesday, January = 05, 2011 10:30 AM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: = Broken tension Bolt

 

Hi Kelly, yeah I read = Tracy’s squawk …  I’m hoping the pressure and gentle extraction = method will work for me as well, but if not I’ll have to resort to the = drill and easy-out method … anything but tear down the engine.  I sure = hope replacing the rear seal will solve my oil leak … =  

Jeff

 <= /p>

From:=

Kelly = Troyer <keltro@att.net>

Subject:

Re: = Broken tension Bolt

Date:=

Wed, 5 = Jan 2011 06:40:20 -0800 (PST)

To:

Rotary motors in aircraft <flyrotary@lancaironline.net>

 <= /p>

Jeff,=

 &nbs= p; Tracy Was lucky enough that after removing the sealing washer from his broken = bolt that

there was = enough friction at the fracture  to allow the broken stub to be = turned out by holding

pressure = on the bolt head and gently turning the stub out............You might try that............

 

Kelly = Troyer
"DYKE = DELTA JD2" (Eventually)

"13B ROTARY"_ Engine
"RWS"_RD1C/EC2/EM2
"MISTRAL"_Backplate/Oil Manifold

"TURBONETICS"_TO4E50 = Turbo

From: Jeff Whaley
Sent: Wednesday, January = 05, 2011 8:19 AM
To: 'Rotary motors in aircraft'
Subject: RE: Broken = tension Bolt

 

Okay, thanks Finn; getting the = shavings extracted with grease, or a magnet should = work.

So, based on your comments = about the tension bolts and sealing washers having nothing to do with oil, I have = to assume that my rear oil seal is the source of the = leak.

With the re-drive, ring gear, = etc already off the engine I’ll go ahead and replace the rear = seal.

Thanks …   Jeff =

 <= /p>

From: Finn Lassen [mailto:finn.lassen@verizon.net]
Sent: Tuesday, January = 04, 2011 8:43 PM
Subject: Re: [FlyRotary] = FW: RE: Broken tension Bolt

 

No oil contact with the = bolts.

The reason for the rubber washers is that there are no o-rings or = sealant between the coolant galleries and the bolt holes, so yes, there could be = some seep of coolant into the bolt holes. But I doubt there will be any flow = that can carry shavings from the bolt hole to the coolant. The grease trick = should be more than adequate.

Finn



__________ Information from ESET NOD32 Antivirus, version of virus = signature database 5762 (20110105) __________

The message was checked by ESET NOD32 Antivirus.

http://www.eset.com

This message, and the documents attached hereto, is intended only = for the addressee and may contain privileged or confidential information. = Any unauthorized disclosure is strictly prohibited. If you have received = this message in error, please notify us immediately so that we may correct = our internal records. Please then delete the original message. Thank = you.

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