X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from wx-out-0506.google.com ([66.249.82.235] verified) by logan.com (CommuniGate Pro SMTP 5.1.1) with ESMTP id 1508226 for flyrotary@lancaironline.net; Fri, 27 Oct 2006 09:35:49 -0400 Received-SPF: pass receiver=logan.com; client-ip=66.249.82.235; envelope-from=cozy4pilot@gmail.com Received: by wx-out-0506.google.com with SMTP id i29so752449wxd for ; Fri, 27 Oct 2006 06:35:30 -0700 (PDT) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:from:to:subject:date:message-id:mime-version:content-type:x-priority:x-msmail-priority:x-mailer:in-reply-to:x-mimeole:importance; b=M7gmzb57aNvxsB94Wa3is9iN0x1WeT6L/vyGvvQYwde4rGhRq/aYWWwoBxQcQE4awvzMU+0gnHNItVpZIS8s59JqYNq+Ed37rnL6M2+SGi+ktKHuFqquwigjzYqrXFP0o7ZCG60qD+DqRmeP1Yr+xf33pXDN0gSC7k/SFOQfv9s= Received: by 10.90.93.6 with SMTP id q6mr2320580agb; Fri, 27 Oct 2006 06:35:30 -0700 (PDT) Return-Path: Received: from stevehome ( [76.0.154.114]) by mx.google.com with ESMTP id 7sm717655wrh.2006.10.27.06.35.28; Fri, 27 Oct 2006 06:35:29 -0700 (PDT) From: "Steve Brooks" To: "Rotary motors in aircraft" Subject: RE:Ream vs Bore Date: Fri, 27 Oct 2006 09:36:57 -0400 Message-ID: MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0202_01C6F9AB.721217B0" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook IMO, Build 9.0.2416 (9.0.2910.0) In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1807 Importance: Normal This is a multi-part message in MIME format. ------=_NextPart_000_0202_01C6F9AB.721217B0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Thanks for all of the input. I had already decided I had to remake the fuel rail. I measured the holes, and there wasn't enough material there to do anything with. I had ordered some more extruded aluminum fuel rail, and this morning I ordered a .4355 reamer, and a 27/64" (.421875) drill bit from Rutland supply. Since I have the old fuel rail in hand, making the new one should be pretty easy. I bought a long enough piece of fuel rail to make 2, just in case. Steve Brooks -----Original Message----- From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net]On Behalf Of Dale Rogers Sent: Thursday, October 26, 2006 12:44 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Rotary Roundup Ernest Christley wrote: Another way to skin this cat, that most likely won't help Steve, unless he want to make a new rail from scratch. ... Probably no need to make a new rail anyway. One of the first "tricks" I was taught in Machine Tool 101 (36 years ago) was how to repair a mis-placed hole. I still have that machinist's clamp and it's still hard to see the repair. If the hole is too large to smooth out, it can be drilled out to the next size for a pipe thread and tapped. Make a plug with the outside threaded to match. Screw it in until it won't go anymore (with reasonable torque.) Mill (or file) flush. [If you really want it to look spiffy, chamfer the hole, and mill the installed plug to about .010" high of flush, then peen the edges of the plug into the chamfer; then mill flush.] Drill new hole and ream to correct size. Of course - depending on the complexity of the rail - it might still be easier to make a new one than fix two holes. Best Regards, Dale R. -- Homepage: http://www.flyrotary.com/ Archive and UnSub: http://mail.lancaironline.net/lists/flyrotary/ ------=_NextPart_000_0202_01C6F9AB.721217B0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Thanks=20 for all of the input. I had already decided I had to remake the = fuel=20 rail. I measured the holes, and there wasn't enough material there = to do=20 anything with.

I had=20 ordered some more extruded aluminum fuel rail, and this morning I = ordered a=20 .4355 reamer, and a 27/64" (.421875) drill bit from Rutland = supply. =20

Since=20 I have the old fuel rail in hand, making the new one should be pretty=20 easy. I bought a long enough piece of fuel rail to make 2, just in = case.

Steve=20 Brooks

-----Original Message-----
From: Rotary motors in = aircraft=20 [mailto:flyrotary@lancaironline.net]On Behalf Of Dale=20 Rogers
Sent: Thursday, October 26, 2006 12:44 = PM
To:=20 Rotary motors in aircraft
Subject: [FlyRotary] Re: Rotary=20 Roundup

Ernest Christley wrote:=20
Another way = to skin=20 this cat, that most likely won't help Steve, unless he want to make = a new=20 rail from scratch. ...

Probably no need to make = a new rail=20 anyway. One of the first
"tricks" I was taught in Machine = Tool 101=20 (36 years ago) was how
to repair a mis-placed hole. I still = have=20 that machinist's clamp and
it's still hard to see the = repair. =20

If the hole is too large to smooth out, it can be drilled out = to the=20 next
size for a pipe thread and tapped. Make a plug with the = outside=20
threaded to match. Screw it in until it won't go anymore (with=20
reasonable torque.) Mill (or file) flush. [If you = really want=20 it to look
spiffy, chamfer the hole, and mill the installed plug = to about=20 .010"
high of flush, then peen the edges of the plug into the = chamfer;=20 then
mill flush.] Drill new hole and ream to correct = size. =20

Of course - depending on the complexity of the rail - it might = still=20
be easier to make a new one than fix two holes.

Best=20 Regards,
Dale R.
--

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