Return-Path: Received: from [24.25.9.102] (HELO ms-smtp-03-eri0.southeast.rr.com) by logan.com (CommuniGate Pro SMTP 4.1.8) with ESMTP id 2781114 for flyrotary@lancaironline.net; Tue, 02 Dec 2003 18:11:06 -0500 Received: from o7y6b5 (clt78-020.carolina.rr.com [24.93.78.20]) by ms-smtp-03-eri0.southeast.rr.com (8.12.10/8.12.7) with SMTP id hB2NAuA4012016 for ; Tue, 2 Dec 2003 18:11:04 -0500 (EST) Message-ID: <000c01c3b926$6aeb30c0$1702a8c0@WorkGroup> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Question on Lapping Housings Date: Tue, 2 Dec 2003 17:48:30 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0009_01C3B8FC.7F436B20" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Virus-Scanned: Symantec AntiVirus Scan Engine This is a multi-part message in MIME format. ------=_NextPart_000_0009_01C3B8FC.7F436B20 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Don, the big and small tube they are probably referring to is the oil = fill tube and dipstick tube on the center iron housing. (They are = pressed in, I have taken them out, but never put them back in) There used to be a guy there very familar with lapping for a rotary by = name of "Bob". But, I understand he has since retired. =20 They used to charge around $135 for lapping all 4 surfaces, don't know = what it might be now. You might try checking with Bruce T and see if he = still uses their services. Ed Anderson RV-6A N494BW Rotary Powered Matthews, NC eanderson@carolina.rr.com ----- Original Message -----=20 From: DLOMHEIM@aol.com=20 To: Rotary motors in aircraft=20 Sent: Tuesday, December 02, 2003 5:20 PM Subject: [FlyRotary] Question on Lapping Housings Has anyone used the lapping services of Lapp Tech (they said that = Bruce T.) has used them in the past. The guy I talked with on the phone = wasn't overly familiar with the 13B except for the fact that could do = the job and had done so in the past for Bruce. He said I would need to = remove a large and a small tube but he couldn't describe in very much = detail on which housing they resided, etc. My questions therefore are: 1. What is the current concensus on getting housing lapped to .003? = My wear is only .002 and it seems some on the list have ignored this = amount and simply rebuilt it as it. 2. What tubes (water pipes I'd assume) need to be removed inorder for = a company to lapp them? 3. Are there any companies out there known that will re-nitride the = housings or is this a mute point if only shaving .003? Thanks for any information. Doug Lomheim RV-9A; 13B overhaul in progress OK City, OK ------=_NextPart_000_0009_01C3B8FC.7F436B20 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
 
Don,  the big and small tube they are probably referring to is = the oil=20 fill tube and dipstick tube on the center iron housing. (They are = pressed in, I=20 have taken them out, but never put them back in)
  There used to be a guy there very familar with lapping for a = rotary=20 by name of "Bob".  But, I understand he has since retired.  =
 
  They used to charge around $135 for lapping all 4 surfaces, = don't=20 know what it might be now.  You might try checking with Bruce T and = see if=20 he still uses their services.
 
Ed Anderson
RV-6A N494BW Rotary Powered
Matthews, NC
eanderson@carolina.rr.com
----- Original Message -----
From:=20 DLOMHEIM@aol.com=20
Sent: Tuesday, December 02, = 2003 5:20=20 PM
Subject: [FlyRotary] Question = on Lapping=20 Housings

Has anyone used the lapping services of Lapp Tech (they said that = Bruce=20 T.) has used them in the past.  The guy I talked with on the = phone wasn't=20 overly familiar with the 13B except for the fact that could do = the job=20 and had done so in the past for Bruce.  He said I would need to = remove a=20 large and a small tube but he couldn't describe in very much=20 detail on which housing they resided, etc.  My questions = therefore=20 are:
 
1.  What is the current concensus on getting housing lapped = to=20 .003?  My wear is only .002 and it seems some on the list have = ignored=20 this amount and simply rebuilt it as it.
 
2.  What tubes (water pipes I'd assume) need to be removed = inorder=20 for a company to lapp them?
 
3.  Are there any companies out there known that will = re-nitride the=20 housings or is this a mute point if only shaving .003?
 
Thanks for any information.
 
Doug Lomheim
RV-9A; 13B overhaul in progress
OK City, OK



 
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