X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mail-bw0-f222.google.com ([209.85.218.222] verified) by logan.com (CommuniGate Pro SMTP 5.3.4) with ESMTP id 4168452 for flyrotary@lancaironline.net; Tue, 16 Mar 2010 22:32:25 -0400 Received-SPF: pass receiver=logan.com; client-ip=209.85.218.222; envelope-from=msteitle@gmail.com Received: by bwz22 with SMTP id 22so605773bwz.5 for ; Tue, 16 Mar 2010 19:31:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:content-type; bh=UBxh9+TNSiugom4IhJMnQXXeUj1kiRU949Oz+S5yhkY=; b=uKyaPzMLiMvsox2vFcPEbDjEwWjNK9in32shzA1DMvmECtWZ5Y+LxmPpVZPad/gCtd yPR8XIU5Szst6QHPV6AEefwlPEwFu/E3o/1uahuw4l/TgYUd4rhwceSaBSvgfS8Cn32b OC/aDyflPEC3znm4P391pAqBcJP+x2lCPvYgk= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; b=wrVoMW5O8I0yq8L63Zv5ZVmHvUTazfmOJDZe7ft3IxDzmzgw+/BYeLpcHn/iLIuI6M bBTt5vqd6HXywQPn0tuO53bd3ZE6BUzbpVBy8HDjMDRWdUVhccBGJfvRPQmjPrfty4Nt KeUbKM7wJ9OjMzyA4dSb6ca0Qp79tWmpmIa4I= MIME-Version: 1.0 Received: by 10.204.145.2 with SMTP id b2mr414077bkv.93.1268793108535; Tue, 16 Mar 2010 19:31:48 -0700 (PDT) In-Reply-To: References: Date: Tue, 16 Mar 2010 21:31:48 -0500 Message-ID: <5cf132c1003161931p241c6ae4q1aea97340d9a80@mail.gmail.com> Subject: Re: [FlyRotary] Re: RD2-C Flywheel Adapter Plate From: Mark Steitle To: Rotary motors in aircraft Content-Type: multipart/alternative; boundary=001517476262871b9c0481f5ea56 --001517476262871b9c0481f5ea56 Content-Type: text/plain; charset=ISO-8859-1 Sounds like a plan. I'll be out at the airport on Friday and will do it then. (I should have brought the damper home with me.) Mark On Tue, Mar 16, 2010 at 9:18 PM, Tracy Crook wrote: > I've never encountered this before but I'd remove the damper, and examine > the streaks under a microscope or 10x loop. Obviously you want to check for > looseness of the rivets. Try gripping the shop head with vice grips and see > if you can turn the rivet in the hole. If yes, return the damper to me and > I'll evaluate & rework it as needed. > > Tracy > > On Tue, Mar 16, 2010 at 10:08 PM, Mark Steitle wrote: > >> Tracy, >> >> The first time I noticed the streaks I just cleaned them off. They may >> have be caused by corrosion X used previously, but I have no way to tell. >> Approx. 2-3 hours of running have occurred since I first wiped it clean and >> reinstalled the psru and I have not used any corrosion X or anything else >> that could cause the streaks to reappear. I've attached a picture of the >> other side which shows similar streaking. So, my guess is they are aluminum >> streaks. Assuming they are smoking rivets, what's the recommended fix? >> >> Mark >> >> On Tue, Mar 16, 2010 at 9:00 PM, Tracy Crook wrote: >> >>> I get similar looking streaks caused by the corrosion X that I spray >>> around in that area to prevent rust & corrosion. But if that is aluminum >>> dust instead of oil, it requires immediate attention. Are you able to tell? >>> >>> Tracy >>> >>> On Tue, Mar 16, 2010 at 9:16 PM, Mark Steitle wrote: >>> >>>> This post is directed toward those of you that have a few hundred hours >>>> or more on your RD2-x gearbox. I'm getting "smoke" streaks leading out >>>> radially from the circle of rivets on the flywheel adapter plate on my 20B. >>>> Do others find these streaks on their adapter plates? I'm wondering if the >>>> rivets are working loose and need to be replaced or upgraded. Maybe I need >>>> a beefier adapter plate. Am I worrying over nothing, or is this something >>>> that is headed for an in-flight failure? >>>> >>>> Mark S. >>>> Austin >>>> >>>> -- >>>> Homepage: http://www.flyrotary.com/ >>>> Archive and UnSub: >>>> http://mail.lancaironline.net:81/lists/flyrotary/List.html >>>> >>>> >>> >> >> -- >> Homepage: http://www.flyrotary.com/ >> Archive and UnSub: >> http://mail.lancaironline.net:81/lists/flyrotary/List.html >> >> > --001517476262871b9c0481f5ea56 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Sounds like a plan. =A0I'll be out at the airport on Friday and will do= it then. =A0(I should have brought the damper home with me.) =A0

<= /div>
Mark

On Tue, Mar 16, 2010 at 9:= 18 PM, Tracy Crook <tracy@rotaryaviation.com> wrote:
I've never encountered this before but = I'd=A0 remove the damper, and examine the streaks under a microscope or= 10x loop.=A0 Obviously you want to check for looseness of the rivets.=A0 T= ry gripping the shop head with vice grips and see if you can turn the rivet= in the hole.=A0 If yes, return the damper to me and I'll evaluate &= ; rework it as needed.

Tracy

On Tue, Mar 16, 2010 at 10:08 P= M, Mark Steitle <msteitle@gmail.com> wrote:
Tracy,

The first time I noticed the streaks I just clean= ed them off. =A0They may have be caused by corrosion X used previously, but= I have no way to tell. =A0Approx. 2-3 hours of running have occurred since= I first wiped it clean and reinstalled the psru and I have not used any co= rrosion X or anything else that could cause the streaks to reappear. =A0I&#= 39;ve attached a picture of the other side which shows similar streaking. = =A0So, my guess is they are aluminum streaks. =A0Assuming they are smoking = rivets, what's the recommended fix? =A0

Mark=A0

On Tue, Mar 16, 2010 at 9:00 PM, Tracy Crook <tra= cy@rotaryaviation.com> wrote:
I get similar looking streaks caused by the corrosion X that I spray around= in that area to prevent rust & corrosion.=A0 But if that is aluminum d= ust instead of oil, it requires immediate attention.=A0 Are you able to tel= l?

Tracy

On Tue, Mar 16, 2010 at 9:16 PM, Mark Steitle <msteitle@gmail.com>= ; wrote:
=
This post is directed toward those of you that have a few hundred hours or = more on your RD2-x gearbox. =A0I'm getting "smoke" streaks le= ading out radially from the circle of rivets on the flywheel adapter plate = on my 20B. =A0Do others find these streaks on their adapter plates? =A0I= 9;m wondering if the rivets are working loose and need to be replaced or up= graded. =A0Maybe I need a beefier adapter plate. =A0Am I worrying over noth= ing, or is this something that is headed for an in-flight failure? =A0

Mark S.
Austin

--
Homepage: =A0http:/= /www.flyrotary.com/
Archive and UnSub: =A0 http://mail.lancaironline.net:81/lists= /flyrotary/List.html




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Homepage: =A0http:/= /www.flyrotary.com/
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