X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from nm4.bullet.mail.sp2.yahoo.com ([98.139.91.74] verified) by logan.com (CommuniGate Pro SMTP 5.3.11) with SMTP id 4671644 for flyrotary@lancaironline.net; Tue, 11 Jan 2011 22:43:42 -0500 Received-SPF: none receiver=logan.com; client-ip=98.139.91.74; envelope-from=bobperk90658@bellsouth.net Received: from [98.139.91.63] by nm4.bullet.mail.sp2.yahoo.com with NNFMP; 12 Jan 2011 03:43:08 -0000 Received: from [98.139.91.35] by tm3.bullet.mail.sp2.yahoo.com with NNFMP; 12 Jan 2011 03:43:08 -0000 Received: from [127.0.0.1] by omp1035.mail.sp2.yahoo.com with NNFMP; 12 Jan 2011 03:43:08 -0000 X-Yahoo-Newman-Property: ymail-3 X-Yahoo-Newman-Id: 625930.19053.bm@omp1035.mail.sp2.yahoo.com Received: (qmail 44543 invoked by uid 60001); 12 Jan 2011 03:43:07 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bellsouth.net; s=s1024; t=1294803786; bh=bL66oexuhO5CnB+3Zpy3DqC0OBPibM1FlrlMv2vPTkw=; h=Message-ID:X-YMail-OSG:Received:X-Mailer:References:Date:From:Subject:To:In-Reply-To:MIME-Version:Content-Type; b=LCfTOeVFx4VTzoTFipotxubO/WhYgWxDj/2RIo+CqnNCACiyub25Yw0gSuy8FFHNmtUxB3LBoptLRGU2QqV9ScuTRReCmoNrJwFP7aMrE1STU1NLuIWMcx4SqKw+JvEmBKIbHmvzx3R1Dtx/VsDnjEk9qKnflpNUNoipA0RH7/c= DomainKey-Signature:a=rsa-sha1; q=dns; c=nofws; s=s1024; d=bellsouth.net; h=Message-ID:X-YMail-OSG:Received:X-Mailer:References:Date:From:Subject:To:In-Reply-To:MIME-Version:Content-Type; b=4Myo6+uz+46rFwzyrxy+QXsEjKzLa8QnyVIyPD9d/ce/d2x6Ey28VlW+IBpigMj2ZlP6Wa5ktvAEwbvDIFjEXTcYrhySUcX69w8klezS4VMojjAAq/drDF8QNfudxIYjKPZ2/BC8SobB2mXGSVeyzrajaP0JwNy49eCAQtcZqyA=; Message-ID: <254770.44397.qm@web180304.mail.gq1.yahoo.com> X-YMail-OSG: 0WiN8lQVM1lbntCJ2S.c5Sfx4hJGyjehI6e5R_GoH4XlRKq N8QqtMcIsLjKXy8QVJBd0c50p3ZyaLhrjV9F7vWomcCDFAJkGtZzFeJsjoBZ XkHl0Rb36qTTrKIa7_1G12orFxiANBGmtRKYpGN5zyqo0hUK3OASmsQj.7aP 50d4XYAfwAlPzKUNcV_jTheSKEt7E3FWYENg27ckPDr8e8DZytUEmN1BNT1j beR0Ef42tzYRkcyjrnPVh517J.1eje.lOGMaKIZU1U9UJIlaSjBZ4F1GzfWm wVDbuxrVn2iocLIdj5fgKZ3w4NJ56gTcA4LAID_IVFrPk2IiRSeaWKkRe2Gr 26qWrMiTF1GD6POE- Received: from [74.249.203.49] by web180304.mail.gq1.yahoo.com via HTTP; Tue, 11 Jan 2011 19:43:03 PST X-Mailer: YahooMailRC/553 YahooMailWebService/0.8.107.285259 References: Date: Tue, 11 Jan 2011 19:43:03 -0800 (PST) From: Bob Perkinson Subject: Re: [FlyRotary] Re: Broken Tension Bolt ... update To: Rotary motors in aircraft In-Reply-To: MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="0-183712746-1294803783=:44397" --0-183712746-1294803783=:44397 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable If you already have an off center hole in the bolt, getting another hole on= =0Acenter will be almost impossible. The drill bit will always got to the= point of =0Aleast resistance, and the mechanical shock of the bit grabbing= one side of the =0Ahole could break the bit. I know, did that years ago. = I would have to agree =0Awith Mark, tearing it down might be prudent.=0A Bo= b Perkinson=0ARV-9 13B=0A=0A=0A=0A=0A________________________________=0AFro= m: Mark Steitle =0ATo: Rotary motors in aircraft =0ASent: Tue, January 11, 2011 1:00:56 PM=0ASubject:= [FlyRotary] Re: Broken Tension Bolt ... update=0A=0A=0AJeff, =0A =0AAt thi= s point I believe that I would bite the bullet and disassemble the =0Aengin= e. Those irons are too expensive to risk damaging. =0A=0A =0AMark S.=0A= =0A=0AOn Tue, Jan 11, 2011 at 12:35 PM, Jeff Whaley = wrote:=0A=0AHey thanks Ernest, you shouldn=E2=80=99t have to do that, but I= won=E2=80=99t stop you =E2=80=A6=0A>I=E2=80=99ve ordered two long bits, 5/= 32=E2=80=9D and 3/16=E2=80=9D for inside diameter =E2=80=A6 the outside =0A= >diameter you could double-check with any housing, but 3/8=E2=80=9D is a pr= etty close =0A>tolerance fit.=0A>Jeff Whaley=0A>100 Manion Rd, =0A>RR#2 Car= p, Ontario, Canada=0A>K0A 1L0=0A> =0A>From: Ernest Christley =0A>Subject: Re: [FlyRotary] Re: Broken Tension Bolt ... update =0A>= Date: Tue, 11 Jan 2011 13:07:28 -0500 =0A>To: Rotary motors in aircraft =0A> =0A>Ernest Christley wrote:=0A>=0A>Jeff, se= nd me a couple of measurements and I'll turn a collar that you can use =0A>= as a guide to center the drill bit. The inside diameter would be the diame= ter =0A>of your bit. The outside would be the size of the hole.=0A> =0A> = =0A>From:Jeff Whaley =0A>Sent: Tuesday, January 11, 2011 12:52 PM=0A>To: 'R= otary motors in aircraft'=0A>Subject: RE: Broken Tension Bolt ... update=0A= > =0A>So far no luck at getting the broken tension bolt threaded end out of= the front =0A>casting. With help from Cary Beazley, we were able to back = out the broken part =0A>a little bit with just pressure and mating the two = surfaces together, until it =0A>jammed and would come no further. Not havi= ng (or knowing about) LH drill bits =0A>at the time, we decided to RH drill= a pilot hole for an easy-out. Drilling the =0A>hole was no problem but ge= tting it centered was, so it=E2=80=99s drilled off-center and =0A>the broke= n piece is now probably bottomed out in the casting. The easy-out is =0A>s= imply not latching onto the bolt. We=E2=80=99re going to borrow a bore sco= pe to get a =0A>better look. After that I=E2=80=99ll have to make a long c= enter-punch and try to make a =0A>new (centered) pilot hole with the long L= H drill bits on-order (see link) =E2=80=A6 =0A>hopefully they=E2=80=99ll gr= ab onto the part and extract it, otherwise it will be an =0A>engine tear-do= wn, which I dread at any time but at -10C it=E2=80=99s no fun at all.=0A> = =0A>http://www.icscuttingtools.com/catalog/page_110.pdf=0A> =0A>Jeff Whaley= =0A>=0A>__________ Information from ESET NOD32 Antivirus, version of virus = signature =0A>database 5778 (20110111) __________=0A>=0A>The message was ch= ecked by ESET NOD32 Antivirus.=0A>=0A>http://www.eset.com=0A>=0A>This messa= ge, and the documents attached hereto, is intended only for the =0A>address= ee and may contain privileged or confidential information. Any =0A>unauthor= ized disclosure is strictly prohibited. If you have received this =0A>messa= ge in error, please notify us immediately so that we may correct our =0A>in= ternal records. Please then delete the original message. Thank you.=0A>=0A --0-183712746-1294803783=:44397 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable
If you already have an off center hole = in the bolt, getting another hole on center will be almost impossible. &nbs= p;The drill bit will always got to the point of least resistance, and the m= echanical shock of the bit grabbing one side of the hole could break the bi= t. I know, did that years ago.  I would have to agree with Mark, teari= ng it down might be prudent.
 
Bob Perkinson
RV-9 13B
<= br>

= From: Mark Steitle <mst= eitle@gmail.com>
To:= Rotary motors in aircraft <flyrotary@lancaironline.net>
Sent: Tue, January 11, 2011 1:00:56 PMSubject: [FlyRotary] Re:= Broken Tension Bolt ... update

Jeff,
=0A
&nbs= p;
=0A
At this point I believe that I would bite the bullet and di= sassemble the engine.  Those irons are too expensive to risk damaging.=  
=0A
 
=0A
Mark S.

=0A
On Tue, Jan 11, 2011 at 12:35 PM, Jeff Whaley <jwhaley@datacast.com&= gt; wrote:
=0A
=0A
=0A
=0A

Hey thanks Ernest, you shouldn=E2=80=99t have to do that, but I won=E2=80= =99t stop you =E2=80=A6

=0A

I=E2=80=99ve ordered two long bits, 5/32=E2=80=9D and 3/16= =E2=80=9D for inside diameter =E2=80=A6 the outside diameter you could doub= le-check with any housing, but 3/8=E2=80=9D is a pretty close tolerance fit= .

=0A=0A

Jef= f Whaley

=0A

100 Manion Rd,

=0A

RR#2 Carp, Ontario, Canada

=0A

K0A 1L0

=0A

 

=0A=0A=0A=0A=0A=0A=0A=0A=0A=0A=0A<= /tr>=0A=0A=0A
=0A

From:

=0A

Ernest Chris= tley <echristley@att.net>

=0A

Subject:

=0A

Re: [FlyRot= ary] Re: Broken Tension Bolt ... update

=0A

D= ate:

=0A

Tue, 11 Jan 2011 13:07:28 -0500

=0A

To:

=0A

Rotary motors in aircraft <= ;flyrotary@lancairon= line.net>

=0A

 

=0A

Ernest Christley wrote:

=0A
Jeff, send me a couple of measurements and I'll turn a= collar that you can use as a guide to center the drill bit.  The insi= de diameter would be the diameter of your bit.  The outside would be t= he size of the hole.

=0A=0A=

 

=0A<= p class=3D"MsoNormal"> 

=0A=0A
=0A

= From: Jeff Whaley
Sent: Tuesday, January 11, 2011 12:52 PM
To: 'Rotary motors in aircraft'
Subject: RE: Broken Tension = Bolt ... update

=0A
=0A

 =0A

So far no luck at getting the broken tension bo= lt threaded end out of the front casting.  With help from Cary Beazley= , we were able to back out the broken part a little bit with just pressure = and mating the two surfaces together, until it jammed and would come no fur= ther.  Not having (or knowing about) LH drill bits at the time, we dec= ided to RH drill a pilot hole for an easy-out.  Drilling the hole was = no problem but getting it centered was, so it=E2=80=99s drilled off-center = and the broken piece is now probably bottomed out in the casting.  The= easy-out is simply not latching onto the bolt.  We=E2=80=99re going t= o borrow a bore scope to get a better look.  After that I=E2=80=99ll h= ave to make a long center-punch and try to make a new (centered) pilot hole= with the long LH drill bits on-order (see link) =E2=80=A6 hopefully they= =E2=80=99ll grab onto the part and extract it, otherwise it will be an engi= ne tear-down, which I dread at any time but at -10C it=E2=80=99s no fun at all.

=0A=0A

 

=0A

http://w= ww.icscuttingtools.com/catalog/page_110.pdf

=0A

 

=0A

Jeff Whaley



__________ Information from ESET NOD32 Antiv= irus, version of virus signature database 5778 (20110111) __________
=0A=
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 c= ontain 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 t= hen delete the original message. Thank you.
=0A

=0A
=0A=0A=0A --0-183712746-1294803783=:44397--