X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from imr-ma06.mx.aol.com ([64.12.78.142] verified) by logan.com (CommuniGate Pro SMTP 5.3.4) with ESMTP id 4174104 for flyrotary@lancaironline.net; Mon, 22 Mar 2010 00:41:52 -0400 Received-SPF: pass receiver=logan.com; client-ip=64.12.78.142; envelope-from=WRJJRS@aol.com Received: from imo-ma03.mx.aol.com (imo-ma03.mx.aol.com [64.12.78.138]) by imr-ma06.mx.aol.com (8.14.1/8.14.1) with ESMTP id o2M4fFTS027879 for ; Mon, 22 Mar 2010 00:41:15 -0400 Received: from WRJJRS@aol.com by imo-ma03.mx.aol.com (mail_out_v42.9.) id q.d9d.ca88b3 (34922) for ; Mon, 22 Mar 2010 00:41:05 -0400 (EDT) Received: from magic-d26.mail.aol.com (magic-d26.mail.aol.com [172.19.146.160]) by cia-da03.mx.aol.com (v127_r1.2) with ESMTP id MAILCIADA037-886a4ba6f4e0154; Mon, 22 Mar 2010 00:41:04 -0400 From: WRJJRS@aol.com Message-ID: <97f90.564b815f.38d84ee0@aol.com> Date: Mon, 22 Mar 2010 00:41:04 EDT Subject: Re: [FlyRotary] Re: Fwd: Question on RD2-C To: flyrotary@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="part1_97f90.564b815f.38d84ee0_boundary" X-Mailer: 9.0 for Windows sub 5132 X-AOL-ORIG-IP: 75.230.212.141 X-AOL-IP: 172.19.146.160 X-Spam-Flag:NO X-AOL-SENDER: WRJJRS@aol.com --part1_97f90.564b815f.38d84ee0_boundary Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Content-Language: en =20 In a message dated 3/21/2010 8:32:22 PM Pacific Standard Time,=20 ALVentures@cox.net writes: =20 =20 Sorry guys my system glitched. I sent the e-mail too soon. An adjustable= =20 reamer is available at most machining supply places. The bolts may be slig= htly=20 different, but you can buy a few extra to get some of the same size. Get= =20 some jet nuts or be sure you locktite or safety wire the nuts too. =20 Bill Jepson=20 Just another view on this; custom fitting and reaming each of 20 holes=20 individually for the bolts may work for a few individual fixes, but is cer= tainly=20 not a production solution. Nor do I think safety wiring the 20 bolts=20 (which are visible) is necessary or practical where metal locknuts would= be=20 perfectly reliable. Cold forming steel rivets are not as strong as AN bolt= s, not=20 definitely more easily adapted to doing very many of these parts.=20 But let=E2=80=99s not get ahead of ourselves. Is this an issue with any= urgency? =20 Does this issue apply to more than a few cases of 3-rotor and turbocharged= 2=20 rotors? Tracy has what =E2=80=93 more than 800 hours on one of these drive= s with=20 aluminum rivets on a 13B and it=E2=80=99s still good, so is it a matter of= the number=20 of hours? How many other high hour drives are there that should be checked= . =20 How many hours are on 20B and 13B turbo installations. And what is the=20 best fix? Certainly Tracy has to have some time to weigh in on that.=20 Al G Al, If I read Mark's previous e-mail correctly the bolts were tracy's suggeste= d=20 fix. That is for Mark's 20B three rotor. Jet nuts (all steel self locking= =20 would be fine) but I would avoid nylocks for this job. If your rivets are'= nt=20 streakng I wouldn't suggest touching them at all. Checking these fasteners= ,=20 bolts, or rivets should be done at anual time at least. Bill Jepson --part1_97f90.564b815f.38d84ee0_boundary Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Content-Language: en
In a message dated 3/21/2010 8:32:22 PM Pacific Standard Time, ALVent= ures@cox.net writes:

Sorry guys my sys= tem glitched. I sent the e-mail too soon. An adjustable reamer is availabl= e at most machining supply places. The bolts may be slightly different, bu= t you can buy a few extra to get some of the same size. Get some jet nuts or be sure you locktite or safety= wire the nuts too.

Bill Jepson

Just another view= on this; custom fitting and reaming each of 20 holes individually for the= bolts may work for a few individual fixes, but is certainly not a product= ion solution.  Nor do I think safety wiring the 20 bolts (which are= visible) is necessary or practical where metal locknuts would be perfectl= y reliable. Cold forming steel rivets are not as strong as AN bolts, not= definitely more easily adapted to doing very many of these parts.<= /FONT>

&nb= sp;

But let=E2=80=99s= not get ahead of ourselves.  Is this an issue with any urgency? &nbs= p;Does this issue apply to more than a few cases of 3-rotor and turbocharg= ed 2 rotors? Tracy has what =E2=80=93 more than= 800 hours on one of these drives with aluminum rivets on a 13B and it=E2= =80=99s still good, so is it a matter of the number of hours? How many oth= er high hour drives are there that should be checked.  How many hours= are on 20B and 13B turbo installations.  And what is the best fix?&n= bsp; Certainly Tracy has to have some time to we= igh in on that.

&nb= sp;

Al G

Al,
If I read Mark's previous e-mail correctly the bolts were tracy's sug= gested fix. That is for Mark's 20B three rotor. Jet nuts (all steel self= locking would be fine) but I would avoid nylocks for this job. If your ri= vets are'nt streakng I wouldn't suggest touching them at all. Checking the= se fasteners, bolts, or  rivets should be done at anual time at least= .
Bill Jepson
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