X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from fmailhost04.isp.att.net ([204.127.217.104] verified) by logan.com (CommuniGate Pro SMTP 5.3c4) with ESMTP id 4034112 for flyrotary@lancaironline.net; Mon, 21 Dec 2009 16:33:08 -0500 Received-SPF: none receiver=logan.com; client-ip=204.127.217.104; envelope-from=keltro@att.net DKIM-Signature: v=1; q=dns/txt; d=att.net; s=dkim01; i=keltro@att.net; a=rsa-sha256; c=relaxed/relaxed; t=1261431189; h=Content-Type: MIME-Version:In-Reply-To:Message-Id:Date:Subject:To:From; bh=IcWony IDJ8hYuBDR5/xrr5hdUvU8YMnfBlc8Ve25eUo=; b=BeORUr7fvuvbchc4Vzqmp/7d+ DP48vhvVDUmGYQyqmIIW1RpHPSkWpLzn9s3vQcu15VC/NRgAD90RoJPzOA8kQ== Received: from fwebmail09.isp.att.net ([207.115.11.159]) by isp.att.net (frfwmhc04) with SMTP id <20091221213234H0400s05l7e>; Mon, 21 Dec 2009 21:32:34 +0000 X-Originating-IP: [207.115.11.159] Received: from [208.114.37.90] by fwebmail09.isp.att.net; Mon, 21 Dec 2009 21:32:34 +0000 From: "Kelly Troyer" To: "Rotary motors in aircraft" Subject: Lapping Housings Date: Mon, 21 Dec 2009 21:32:34 +0000 Message-Id: <122120092132.625.4B2FE972000214370000027122218675169B0A02D29B9B0EBF019D9B040A05@att.net> In-Reply-To: X-Mailer: AT&T Message Center Version 1 (Mar 2 2009) X-Authenticated-Sender: a2VsdHJvQGF0dC5uZXQ= MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="NextPart_Webmail_9m3u9jl4l_625_1261431154_0" --NextPart_Webmail_9m3u9jl4l_625_1261431154_0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Rino, Thanks for the info and photos..............Would you happen to have a p= hoto of the lapped surface of the housings (before and after would be great if you have them).........= ..... Thanks (For all of the group)(Info is the best Christmas gift for "Rotorhea= ds" !!)..... -- Kelly Troyer=20 "Dyke Delta"_13B ROTARY Engine=20 "RWS"_RD1C/EC2/EM2=20 "Mistral"_Backplate/Oil Manifold=20 -------------- Original message from "Rino" : --------= ------=20 =EF=BB=BF=20 Kelly, I used Permatex No. 474G valve grinding compound. It does not tell what gr= it it is. I noticed that the grit becomes very fine after about a half hou= r of use. At first I added some grinding compound every half hour. To fin= ish I did not add any compound for about one hour, so only the very fine gr= it is used for finishing. It seems to have worked. I would say that it ro= tated for about 4 hours in all for two side housings. Yes it is a soft wood plug inside the iron but next time I will use hard wo= od or metal. By the time the job was finished the wooden plug was very loo= se, ready to fall off. Rino Lacombe ----- Original Message -----=20 From: Kelly Troyer=20 To: Rotary motors in aircraft=20 Sent: Sunday, December 20, 2009 10:00 PM Subject: [FlyRotary] Lapping Housings Rino, Great photo..........I am getting ready to do same to my housings......= ....Two questions come to my mind..........(1) What grit of lapping compound did you use (and= approx how much time per side) and (2) Is that a wooden plug the bearing is riding in = ?............. -- Kelly Troyer=20 "Dyke Delta"_13B ROTARY Engine=20 "RWS"_RD1C/EC2/EM2=20 "Mistral"_Backplate/Oil Manifold=20 -------------- Original message from --NextPart_Webmail_9m3u9jl4l_625_1261431154_0 Content-Type: multipart/related; boundary="NextPart_Webmail_9m3u9jl4l_625_1261431154_1" --NextPart_Webmail_9m3u9jl4l_625_1261431154_1 Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable
Rino,
   Thanks for the info and photos..............Would you hap= pen to have a photo of the lapped surface
of the housings (before and after would be great if you have them)....= ..........
 
Thanks (For all of the group)(Info is the best Christmas gift for= "Rotorheads" !!).....
--
Kelly Troyer
"Dyke Delta"_1= 3B ROTARY Engine
"RWS"_RD1C/EC2/EM2
"Mistral"_Backplate/Oil Manifol= d



 
-------------- Original message from "Rino" <lacombr@nbne= t.nb.ca>: --------------

=EF=BB=BF
Kelly,
 
I used Permatex No. 474G valve grinding co= mpound.  It does not tell what grit it is.  I noticed that the gr= it becomes very fine after about a half hour of use.  At first I added= some grinding compound every half hour.  To finish I did not add any = compound for about one hour, so only the very fine grit is used for finishi= ng.  It seems to have worked.  I would say that it rotated for ab= out 4 hours in all for two side housings.
 
Yes it is a soft wood plug inside the iron= but next time I will use hard wood or metal.  By the time the job was= finished the wooden plug was very loose, ready to fall off.
 
Rino Lacombe
 
----- Original Message -----
Sent: Sunday, December 20, 2009 10:0= 0 PM
Subject: [FlyRotary] Lapping Housing= s
=
Rino,
    Great photo..........I am getting ready to do same = to my housings..........Two questions
come to my mind..........(1) What grit of lapping compound did you use= (and approx how
much time per side) and (2) Is that a wooden plug the bearing is ridin= g in ?.............
--
Kelly Troyer
"Dyke Delta"_1= 3B ROTARY Engine
"RWS"_RD1C/EC2/EM2
"Mistral"_Backplate/Oil Manifol= d
-------------- Original message from
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